Property:Corolla coloration

Types of corolla coloration

None.

Parts of corolla coloration

None.

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Abutilon +
pinkish  +, orange  +, yellow  +
Abutilon abutiloides +
orange-yellow  +
Abutilon berlandieri +
orange-yellow  +
Abutilon coahuilae +
yellow  +
Abutilon fruticosum +
yellow  +
Abutilon hirtum +
orange-yellow  +
Abutilon hulseanum +
fading pinkish  +, yellowish  +
Abutilon hypoleucum +
yellow-orange  +, yellow  +
Abutilon incanum +
pink  +, yellow  +
Abutilon malacum +
yellow  +
Abutilon mollicomum +
pinkish  +, orange  +, yellow  +
Abutilon palmeri +
yellow-orange  +
Abutilon parishii +
not fading pinkish  +, yellow-orange  +
Abutilon parvulum +
pinkish  +
Abutilon permolle +
yellow-orange  +, yellow  +
Abutilon reventum +
pale-yellow  +
Abutilon theophrasti +
pale-yellow  +
Abutilon trisulcatum +
yellow  +
Abutilon wrightii +
pale-yellow  +
Acamptopappus +
yellow  +
Acamptopappus shockleyi +
yellow  +
Acamptopappus sphaerocephalus +
yellow  +
Acamptopappus sphaerocephalus var. hirtellus +
yellow  +
Acamptopappus sphaerocephalus var. sphaerocephalus +
yellow  +
Acanthospermum +
yellowish  +
Acanthospermum australe +
yellowish  +
Acanthospermum hispidum +
yellowish  +
Acanthospermum humile +
yellowish  +
Achillea +
white  +, grayish or yellowish  +
Achillea alpina +
yellowish white  +, grayish  +, white  +
Achillea millefolium +
white  +, grayish white  +
Achillea nobilis +
grayish white  +, white  +
Achillea ptarmica +
grayish white  +, white  +
Achyrachaena +
yellow  +, reddish  +
Achyrachaena mollis +
yellow  +, reddish  +
Acmella +
yellow  +, orange  +
Acmella pusilla +
yellow  +, orange  +
Acmella repens +
yellow  +, orange  +
Acourtia +
pink  +, lavender or white  +
Acourtia microcephala +
lavender-pink  +
Acourtia nana +
white  +, lavender-pink  +
Acourtia runcinata +
lavender-pink  +, pink  +
Acourtia thurberi +
lavender-pink  +
Acourtia wrightii +
purple  +, pink  +
Acroptilon +
white  +, pink  +, blue  +
Acroptilon repens +
white  +, pink  +, blue  +
Adenocaulon +
ochroleucous  +, white  +
Adenocaulon bicolor +
ochroleucous  +, white  +
Adenophyllum +
yellow  +, yellow-orange  +
Adenophyllum cooperi +
yellow  +, red-orange  +, yellow-orange  +
Adenophyllum porophylloides +
yellow-orange  +, red-orange  +, yellow  +
Adenophyllum wrightii +
yellow  +, yellow-orange  +
Adenophyllum wrightii var. wrightii +
pale-yellow  +, yellow-orange  +
Adlumia fungosa +
white;pale-pink or purplish  +
Agalinis +
white  +, pale-pink  +, rose-purple or purple  +
Agalinis aphylla +
dark-pink spots  +, pale  +, dark-pink  +
Agalinis aspera +
pink  +
Agalinis auriculata +
dark-pink spots  +, pink  +
Agalinis caddoensis +
red spots  +, rose-purple  +
Agalinis calycina +
pink  +
Agalinis decemloba +
red spots  +, pale-pink  +, pink  +
Agalinis densiflora +
red spots  +, pink  +, pale-pink  +
Agalinis divaricata +
red spots  +, white  +, pale  +, …
Agalinis edwardsiana +
red spots  +, pink  +, rose-pink  +
Agalinis fasciculata +
pale  +, dark-pink  +
Agalinis filicaulis +
red spots  +, pink  +
Agalinis filifolia +
purple spots  +, dark-pink  +, nearly rose  +
Agalinis flexicaulis +
dark-pink spots  +, pink  +, rose  +
Agalinis gattingeri +
dark-pink spots  +, pink  +, pale-purple  +
Agalinis georgiana +
red spots  +, pale-pink  +
Agalinis harperi +
pink  +, rose-pink  +
Agalinis heterophylla +
pale  +, dark-pink  +
Agalinis homalantha +
dark-pink  +, dark purple  +
Agalinis laxa +
red spots  +, pale-pink  +, pink  +
Agalinis linifolia +
pink  +
Agalinis maritima +
red spots  +, pink  +, rosy pink  +
Agalinis maritima var. grandiflora +
red spots  +, pink  +, rosy pink  +
Agalinis maritima var. maritima +
red spots  +, pink  +, rosy pink  +
Agalinis navasotensis +
red spots  +, pink  +, rose  +
Agalinis neoscotica +
red spots  +, pale  +, dark-pink  +
Agalinis obtusifolia +
pale  +, pink spots  +, pink  +
Agalinis oligophylla +
red spots  +, pink  +, dark-pink  +
Agalinis plukenetii +
dark-pink spots  +, dark-pink  +, rose-pink  +
Agalinis pulchella +
purple spots  +, dark-pink  +, rose  +
Agalinis purpurea +
red spots  +, pink  +, rosy pink  +
Agalinis purpurea var. parviflora +
red spots  +, pink  +, rosy pink  +
Agalinis purpurea var. purpurea +
red spots  +, pink  +, rosy pink  +
Agalinis setacea +
red spots  +, pink  +, rosy pink  +
Agalinis skinneriana +
red spots  +, whitish  +, pale-pink or pink  +
Agalinis strictifolia +
red spots  +, pink  +
Agalinis tenella +
red spots  +, pink  +, rosy pink  +
Agalinis tenuifolia +
red spots  +, pink  +, rose-purple  +
Agalinis viridis +
pale-purple spots  +, pale-pink  +
Ageratina +
lavender  +, white  +
Ageratina adenophora +
pink-tinged  +, white  +
Ageratina altissima +
white  +
Ageratina altissima var. altissima +
white  +
Ageratina altissima var. roanensis +
white  +
Ageratina aromatica +
white  +
Ageratina havanensis +
white  +, slightly pinkish  +
Ageratina herbacea +
white  +
Ageratina jucunda +
white  +
Ageratina lemmonii +
white  +
Ageratina luciae-brauniae +
white  +
Ageratina occidentalis +
white tinged with purple  +, bluish  +, pink  +
Ageratina paupercula +
white  +
Ageratina rothrockii +
white  +
Ageratina shastensis +
white  +
Ageratina thyrsiflora +
white  +
Ageratina wrightii +
pinkish white  +, pink  +
Ageratum +
bluish  +, lavender  +
Ageratum conyzoides +
white  +, usually blue  +, lavender  +
Ageratum corymbosum +
white  +, usually blue  +, lavender  +
Ageratum houstonianum +
white  +
Ageratum maritimum +
blue  +, white  +
Agnorhiza +
yellow  +
Agnorhiza bolanderi +
yellow  +
Agnorhiza elata +
yellow  +
Agnorhiza invenusta +
yellow  +
Agnorhiza ovata +
yellow  +
Agnorhiza reticulata +
yellow  +
Agoseris +
white  +, cyanic  +, usually yellow  +, …
Agoseris apargioides +
yellow  +
Agoseris apargioides var. apargioides +
yellow  +
Agoseris apargioides var. eastwoodiae +
yellow  +
Agoseris apargioides var. maritima +
yellow  +
Agoseris aurantiaca +
white  +, purple  +, red  +, …, …
Agoseris aurantiaca var. aurantiaca +
white  +, yellow  +, pinkish  +, …
Agoseris aurantiaca var. purpurea +
pinkish  +, yellow  +, orange  +
Agoseris glauca +
yellow  +
Agoseris glauca var. dasycephala +
yellow  +
Agoseris glauca var. glauca +
yellow  +
Agoseris grandiflora +
yellow  +
Agoseris grandiflora var. grandiflora +
yellow  +
Agoseris grandiflora var. leptophylla +
yellow  +
Agoseris heterophylla +
yellow  +
Agoseris heterophylla var. cryptopleura +
yellow  +
Agoseris heterophylla var. heterophylla +
yellow  +
Agoseris heterophylla var. quentinii +
yellow  +
Agoseris hirsuta +
yellow  +
Agoseris monticola +
yellow  +
Agoseris parviflora +
yellow  +
Agoseris retrorsa +
yellow  +
Agoseris ×elata +
yellow  +, orange  +
Alcea +
paler  +, darker  +, yellow  +, …, …
Alcea rosea +
paler  +, darker  +, yellow  +, …, …
Alcea rugosa +
paler  +, darker  +, yellow  +, …, …
Allowissadula holosericea +
orange-yellow  +
Allowissadula lozanoi +
yellow  +, orange-yellow  +
Almutaster +
yellow  +, white  +, pale-purple  +
Almutaster pauciflorus +
yellow  +, white  +, pale-purple  +
Althaea +
pink  +, lilac-purple or bluish  +
Althaea armeniaca +
pink  +, lilac-purple or bluish  +
Althaea cannabina +
pink  +, lilac-purple or bluish  +
Althaea hirsuta +
pink  +, lilac-purple or bluish  +
Althaea officinalis +
pink  +, lilac-purple or bluish  +
Amauriopsis +
yellow  +
Amauriopsis dissecta +
yellow  +
Amberboa +
white  +, pink purple or yellow  +
Amberboa moschata +
white  +, pink purple or yellow  +
Amblyolepis +
yellow  +
Amblyolepis setigera +
yellow  +
Amblyopappus +
yellow  +
Amblyopappus pusillus +
yellow  +
Ambrosia +
purplish  +, whitish  +
Ambrosia acanthicarpa +
purplish  +, whitish  +
Ambrosia ambrosioides +
purplish  +, whitish  +
Ambrosia artemisiifolia +
purplish  +, whitish  +
Ambrosia bidentata +
purplish  +, whitish  +
Ambrosia chamissonis +
purplish  +, whitish  +
Ambrosia cheiranthifolia +
purplish  +, whitish  +
Ambrosia chenopodiifolia +
purplish  +, whitish  +
Ambrosia confertiflora +
purplish  +, whitish  +
Ambrosia cordifolia +
purplish  +, whitish  +
Ambrosia deltoidea +
purplish  +, whitish  +
Ambrosia dumosa +
purplish  +, whitish  +
Ambrosia eriocentra +
purplish  +, whitish  +
Ambrosia grayi +
purplish  +, whitish  +
Ambrosia hispida +
purplish  +, whitish  +
Ambrosia ilicifolia +
purplish  +, whitish  +
Ambrosia linearis +
purplish  +, whitish  +
Ambrosia monogyra +
purplish  +, whitish  +
Ambrosia psilostachya +
purplish  +, whitish  +
Ambrosia pumila +
purplish  +, whitish  +
Ambrosia salsola +
purplish  +, whitish  +
Ambrosia tomentosa +
purplish  +, whitish  +
Ambrosia trifida +
purplish  +, whitish  +
Ampelaster +
yellow becoming rose-purple  +, pale rose-purple  +, pale-pink  +
Ampelaster carolinianus +
yellow becoming rose-purple  +, pale rose-purple  +, pale-pink  +
Amphiachyris +
yellow  +, orange-tinged  +
Amphiachyris amoena +
yellow  +, orange-tinged  +
Amphiachyris dracunculoides +
yellow  +, orange-tinged  +
Amphipappus +
yellow  +
Amphipappus fremontii +
yellow  +
Amphipappus fremontii var. fremontii +
yellow  +
Amphipappus fremontii var. spinosus +
yellow  +
Anagallis +
white;pink red salmon or blue  +
Anagallis arvensis +
blue;red;blue;red;salmon  +
Anagallis minima +
pink;white  +
Anagallis monelli +
red;blue  +
Anagallis pumila +
white  +
Anaphalis +
yellowish  +
Anaphalis margaritacea +
yellowish  +
Ancistrocarphus +
red-tipped  +, purplish  +, yellow  +, …
Ancistrocarphus filagineus +
red-tipped  +, purplish  +, yellow  +, …
Ancistrocarphus keilii +
red-tipped  +, purplish  +, yellow  +, …
Angelonia +
white  +, mauve  +, purple  +
Angelonia gardneri +
white  +, mauve  +, purple  +
Anisocarpus +
yellow  +
Anisocarpus madioides +
yellow  +
Anisocarpus scabridus +
yellow  +
Anisocoma +
cream  +, bright-yellow  +
Anisocoma acaulis +
cream  +, bright-yellow  +
Anoda +
white  +, purplish  +, lavender  +, …
Anoda abutiloides +
white  +, purplish  +, lavender  +, …
Anoda crenatiflora +
white  +, purplish  +, lavender  +, …
Anoda cristata +
white  +, purplish  +, lavender  +, …
Anoda lanceolata +
white  +, purplish  +, lavender  +, …
Anoda pentaschista +
white  +, purplish  +, lavender  +, …
Anoda reticulata +
white  +, purplish  +, lavender  +, …
Anoda thurberi +
white  +, purplish  +, lavender  +, …
Antennaria +
red  +, yellow  +, white  +
Antennaria alpina +
red  +, yellow  +, white  +
Antennaria anaphaloides +
red  +, yellow  +, white  +
Antennaria arcuata +
red  +, yellow  +, white  +
Antennaria argentea +
red  +, yellow  +, white  +
Antennaria aromatica +
red  +, yellow  +, white  +
Antennaria corymbosa +
red  +, yellow  +, white  +
Antennaria densifolia +
red  +, yellow  +, white  +
Antennaria dimorpha +
red  +, yellow  +, white  +
Antennaria dioica +
red  +, yellow  +, white  +
Antennaria flagellaris +
red  +, yellow  +, white  +
Antennaria friesiana +
red  +, yellow  +, white  +
Antennaria friesiana subsp. alaskana +
red  +, yellow  +, white  +
Antennaria friesiana subsp. friesiana +
red  +, yellow  +, white  +
Antennaria friesiana subsp. neoalaskana +
red  +, yellow  +, white  +
Antennaria geyeri +
red  +, yellow  +, white  +
Antennaria howellii +
red  +, yellow  +, white  +
Antennaria howellii subsp. canadensis +
red  +, yellow  +, white  +
Antennaria howellii subsp. howellii +
red  +, yellow  +, white  +
Antennaria howellii subsp. neodioica +
red  +, yellow  +, white  +
Antennaria howellii subsp. petaloidea +
red  +, yellow  +, white  +
Antennaria lanata +
red  +, yellow  +, white  +
Antennaria luzuloides +
red  +, yellow  +, white  +
Antennaria luzuloides subsp. aberrans +
red  +, yellow  +, white  +
Antennaria luzuloides subsp. luzuloides +
red  +, yellow  +, white  +
Antennaria marginata +
red  +, yellow  +, white  +
Antennaria media +
red  +, yellow  +, white  +
Antennaria microphylla +
red  +, yellow  +, white  +
Antennaria monocephala +
red  +, yellow  +, white  +
Antennaria monocephala subsp. angustata +
red  +, yellow  +, white  +
Antennaria monocephala subsp. monocephala +
red  +, yellow  +, white  +
Antennaria neglecta +
red  +, yellow  +, white  +
Antennaria parlinii +
red  +, yellow  +, white  +
Antennaria parlinii subsp. fallax +
red  +, yellow  +, white  +
Antennaria parlinii subsp. parlinii +
red  +, yellow  +, white  +
Antennaria parvifolia +
red  +, yellow  +, white  +
Antennaria plantaginifolia +
red  +, yellow  +, white  +
Antennaria pulchella +
red  +, yellow  +, white  +
Antennaria pulcherrima +
red  +, yellow  +, white  +
Antennaria pulcherrima subsp. eucosma +
red  +, yellow  +, white  +
Antennaria pulcherrima subsp. pulcherrima +
red  +, yellow  +, white  +
Antennaria racemosa +
red  +, yellow  +, white  +
Antennaria rosea +
red  +, yellow  +, white  +
Antennaria rosea subsp. arida +
red  +, yellow  +, white  +
Antennaria rosea subsp. confinis +
red  +, yellow  +, white  +
Antennaria rosea subsp. pulvinata +
red  +, yellow  +, white  +
Antennaria rosea subsp. rosea +
red  +, yellow  +, white  +
Antennaria rosulata +
red  +, yellow  +, white  +
Antennaria soliceps +
red  +, yellow  +, white  +
Antennaria solitaria +
red  +, yellow  +, white  +
Antennaria stenophylla +
red  +, yellow  +, white  +
Antennaria suffrutescens +
red  +, yellow  +, white  +
Antennaria umbrinella +
red  +, yellow  +, white  +
Antennaria virginica +
red  +, yellow  +, white  +
Anthemis +
pink  +, yellow  +, white  +
Anthemis arvensis +
tinged with pink  +, white  +
Anthemis cotula +
white  +
Antirrhinum +
white  +, yellow  +, red  +, …, …
Antirrhinum majus +
white  +, yellow  +, red  +, …, …
Aphanostephus +
yellow  +, white  +
Aphanostephus pilosus +
yellow  +, white  +
Aphanostephus ramosissimus +
yellow  +, white  +
Aphanostephus ramosissimus var. humilis +
yellow  +, white  +
Aphanostephus ramosissimus var. ramosissimus +
yellow  +, white  +
Aphanostephus riddellii +
yellow  +, white  +
Aphanostephus skirrhobasis +
yellow  +, white  +
Aphanostephus skirrhobasis var. kidderi +
yellow  +, white  +
Aphanostephus skirrhobasis var. skirrhobasis +
yellow  +, white  +
Aphanostephus skirrhobasis var. thalassius +
yellow  +, white  +
Arctanthemum +
yellow  +, white  +
Arctanthemum arcticum +
yellow  +, white  +
Arctanthemum arcticum subsp. arcticum +
yellow  +, white  +
Arctanthemum arcticum subsp. polare +
yellow  +, white  +
Arctium +
pink  +, more or less purple  +
Arctium lappa +
pink  +, more or less purple  +
Arctium minus +
white  +, pink  +, purple  +
Arctium tomentosum +
rose-purple  +
Arctostaphylos andersonii +
white  +
Arctostaphylos auriculata +
white  +, pink  +
Arctostaphylos bakeri +
white  +
Arctostaphylos bakeri subsp. bakeri +
white  +
Arctostaphylos bakeri subsp. sublaevis +
white  +
Arctostaphylos canescens +
white  +, pink  +
Arctostaphylos canescens subsp. canescens +
white  +, pink  +
Arctostaphylos canescens subsp. sonomensis +
white  +, pink  +
Arctostaphylos catalinae +
white  +
Arctostaphylos columbiana +
white  +
Arctostaphylos confertiflora +
white  +
Arctostaphylos crustacea +
white  +
Arctostaphylos crustacea subsp. crinita +
white  +
Arctostaphylos crustacea subsp. crustacea +
white  +
Arctostaphylos crustacea subsp. eastwoodiana +
white  +
Arctostaphylos crustacea subsp. insulicola +
white  +
Arctostaphylos crustacea subsp. rosei +
white  +
Arctostaphylos crustacea subsp. subcordata +
white  +
Arctostaphylos cruzensis +
white  +
Arctostaphylos densiflora +
white  +
Arctostaphylos edmundsii +
white  +
Arctostaphylos franciscana +
white  +, pink  +
Arctostaphylos gabilanensis +
white  +, pink  +
Arctostaphylos glandulosa +
white  +, pink  +
Arctostaphylos glandulosa subsp. adamsii +
white  +, pink  +
Arctostaphylos glandulosa subsp. crassifolia +
white  +, pink  +
Arctostaphylos glandulosa subsp. cushingiana +
white  +, pink  +
Arctostaphylos glandulosa subsp. gabrielensis +
white  +, pink  +
Arctostaphylos glandulosa subsp. glandulosa +
white  +, pink  +
Arctostaphylos glandulosa subsp. howellii +
white  +, pink  +
Arctostaphylos glandulosa subsp. leucophylla +
white  +, pink  +
Arctostaphylos glandulosa subsp. mollis +
white  +, pink  +
Arctostaphylos glauca +
white  +
Arctostaphylos glutinosa +
white  +
Arctostaphylos hispidula +
white  +
Arctostaphylos hookeri +
white  +
Arctostaphylos hookeri subsp. hearstiorum +
white  +
Arctostaphylos hookeri subsp. hookeri +
white  +
Arctostaphylos hooveri +
white  +
Arctostaphylos imbricata +
white  +
Arctostaphylos insularis +
white  +
Arctostaphylos klamathensis +
white  +
Arctostaphylos luciana +
white  +
Arctostaphylos malloryi +
white  +
Arctostaphylos manzanita +
white  +
Arctostaphylos manzanita subsp. elegans +
white  +
Arctostaphylos manzanita subsp. glaucescens +
white  +
Arctostaphylos manzanita subsp. laevigata +
white  +
Arctostaphylos manzanita subsp. manzanita +
white  +
Arctostaphylos manzanita subsp. roofii +
white  +
Arctostaphylos manzanita subsp. wieslanderi +
white  +
Arctostaphylos mewukka +
white  +
Arctostaphylos mewukka subsp. mewukka +
white  +
Arctostaphylos mewukka subsp. truei +
white  +
Arctostaphylos montana +
white  +
Arctostaphylos montana subsp. montana +
white  +
Arctostaphylos montana subsp. ravenii +
white  +
Arctostaphylos montaraensis +
white  +
Arctostaphylos montereyensis +
white  +
Arctostaphylos morroensis +
white  +
Arctostaphylos myrtifolia +
white  +
Arctostaphylos nevadensis +
white  +
Arctostaphylos nevadensis subsp. knightii +
white  +
Arctostaphylos nevadensis subsp. nevadensis +
white  +
Arctostaphylos nissenana +
white  +
Arctostaphylos nortensis +
white  +
Arctostaphylos nummularia +
white  +
Arctostaphylos nummularia subsp. mendocinoensis +
white  +
Arctostaphylos nummularia subsp. nummularia +
white  +
Arctostaphylos obispoensis +
white  +
Arctostaphylos ohloneana +
white  +
Arctostaphylos osoensis +
white  +
Arctostaphylos otayensis +
white  +
Arctostaphylos pacifica +
white  +
Arctostaphylos pajaroensis +
white  +, pink  +
Arctostaphylos pallida +
white  +
Arctostaphylos parryana +
white  +
Arctostaphylos parryana subsp. desertica +
white  +
Arctostaphylos parryana subsp. parryana +
white  +
Arctostaphylos parryana subsp. tumescens +
white  +
Arctostaphylos patula +
pink  +
Arctostaphylos pechoensis +
white  +
Arctostaphylos pilosula +
white  +, pink  +
Arctostaphylos pringlei +
white  +, pink  +
Arctostaphylos pringlei subsp. drupacea +
white  +, pink  +
Arctostaphylos pringlei subsp. pringlei +
white  +, pink  +
Arctostaphylos pumila +
white  +
Arctostaphylos pungens +
white  +
Arctostaphylos purissima +
white  +
Arctostaphylos rainbowensis +
white  +
Arctostaphylos refugioensis +
white  +
Arctostaphylos regismontana +
white  +
Arctostaphylos rudis +
white  +
Arctostaphylos sensitiva +
white  +, pink  +
Arctostaphylos silvicola +
white  +
Arctostaphylos stanfordiana +
white  +, pink  +
Arctostaphylos stanfordiana subsp. decumbens +
white  +, pink  +
Arctostaphylos stanfordiana subsp. raichei +
white  +, pink  +
Arctostaphylos stanfordiana subsp. stanfordiana +
white  +, pink  +
Arctostaphylos tomentosa +
white  +
Arctostaphylos tomentosa subsp. bracteosa +
white  +
Arctostaphylos tomentosa subsp. daciticola +
white  +
Arctostaphylos tomentosa subsp. hebeclada +
white  +
Arctostaphylos tomentosa subsp. tomentosa +
white  +
Arctostaphylos uva-ursi +
white  +, pink  +
Arctostaphylos virgata +
white  +
Arctostaphylos viridissima +
white  +
Arctostaphylos viscida +
white  +
Arctostaphylos viscida subsp. mariposa +
white  +
Arctostaphylos viscida subsp. pulchella +
white  +
Arctostaphylos viscida subsp. viscida +
white  +
Arctotheca +
purplish  +, brownish  +
Arctotheca calendula +
bluish  +, yellow  +
Arctotis +
brown  +, violet or purple  +
Arctotis fastuosa +
brown  +, violet or purple  +
Arctotis stoechadifolia +
brown  +, violet or purple  +
Arctous alpina +
green  +, whitish  +, yellow  +
Arctous rubra +
whitish  +, cream  +
Ardisia +
white;pink  +
Ardisia crenata +
white;pink  +
Ardisia elliptica +
white;pink  +
Ardisia escallonioides +
white;pink  +
Ardisia japonica +
white;pink  +
Argyranthemum +
yellow  +, pink  +, white  +
Argyranthemum foeniculaceum +
yellow  +, pink  +, white  +
Arida +
yellow  +, light  +, dark blue  +
Arida arizonica +
yellow  +
Arida blepharophylla +
purple-tinged  +, yellow  +
Arida carnosa +
yellow  +
Arida mattturneri +
yellow  +
Arida parviflora +
yellow  +
Arida riparia +
yellow  +
Armeria maritima +
pink;white  +
Armeria maritima subsp. californica +
pink;white  +
Armeria maritima subsp. interior +
pink;white  +
Armeria maritima subsp. maritima +
pink;white  +
Armeria maritima subsp. sibirica +
pink;white  +
Arnica +
cream  +, yellow  +, orange  +
Arnica acaulis +
yellow  +
Arnica angustifolia +
yellow  +
Arnica angustifolia subsp. angustifolia +
yellow  +
Arnica angustifolia subsp. tomentosa +
yellow  +
Arnica cernua +
yellow  +, slightly orange  +
Arnica chamissonis +
yellow  +
Arnica cordifolia +
yellow  +
Arnica dealbata +
yellow  +
Arnica discoidea +
yellow  +
Arnica fulgens +
yellow  +, yellow-orange  +
Arnica gracilis +
yellow  +
Arnica griscomii +
yellow  +
Arnica griscomii subsp. frigida +
yellow  +
Arnica griscomii subsp. griscomii +
yellow  +
Arnica lanceolata +
yellow  +
Arnica lanceolata subsp. lanceolata +
yellow  +
Arnica lanceolata subsp. prima +
yellow  +
Arnica latifolia +
yellow  +
Arnica lessingii +
yellow  +
Arnica lonchophylla +
yellow  +
Arnica longifolia +
yellow  +
Arnica louiseana +
yellow  +
Arnica mollis +
yellow  +
Arnica nevadensis +
yellow  +
Arnica ovata +
yellow  +
Arnica parryi +
yellow  +
Arnica rydbergii +
yellow  +
Arnica sororia +
yellow  +, yellow-orange  +
Arnica spathulata +
yellow  +
Arnica unalaschcensis +
yellow  +
Arnica venosa +
yellow  +
Arnica viscosa +
cream  +
Arnoglossum +
purplish  +, greenish white  +, creamy  +
Arnoglossum album +
tinged with pink  +, white  +
Arnoglossum atriplicifolium +
white  +
Arnoglossum diversifolium +
purplish  +, white  +
Arnoglossum floridanum +
light green  +, white  +
Arnoglossum ovatum +
purplish  +, greenish  +, white  +
Arnoglossum plantagineum +
greenish  +, white  +
Arnoglossum reniforme +
greenish  +, white  +
Arnoglossum sulcatum +
tinged with purple  +, greenish  +, white  +
Arnoseris +
yellow  +
Arnoseris minima +
yellow  +
Artemisia +
red  +, pale-yellow  +
Artemisia abrotanum +
yellow  +
Artemisia absinthium +
red  +, pale-yellow  +
Artemisia alaskana +
yellow  +
Artemisia aleutica +
purplish red  +
Artemisia annua +
pale-yellow  +
Artemisia arbuscula +
red  +, pale-yellow  +
Artemisia arbuscula subsp. arbuscula +
red  +, pale-yellow  +
Artemisia arbuscula subsp. longiloba +
red  +, pale-yellow  +
Artemisia arbuscula subsp. thermopola +
red  +, pale-yellow  +
Artemisia biennis +
pale-yellow  +
Artemisia bigelovii +
red  +, pale-yellow  +
Artemisia borealis +
red  +, deep  +, yellow-orange  +
Artemisia borealis subsp. borealis +
yellow-orange  +
Artemisia borealis subsp. richardsoniana +
red  +
Artemisia californica +
pale-yellow  +
Artemisia campestris +
pale-yellow  +
Artemisia campestris subsp. canadensis +
pale-yellow  +
Artemisia campestris subsp. caudata +
pale-yellow  +
Artemisia campestris subsp. pacifica +
pale-yellow  +
Artemisia cana +
red  +, pale-yellow  +
Artemisia cana subsp. bolanderi +
red  +, pale-yellow  +
Artemisia cana subsp. cana +
red  +, pale-yellow  +
Artemisia cana subsp. viscidula +
red  +, pale-yellow  +
Artemisia carruthii +
pale-yellow  +
Artemisia douglasiana +
pale-yellow  +
Artemisia dracunculus +
pale-yellow  +
Artemisia filifolia +
pale-yellow  +
Artemisia franserioides +
yellow  +
Artemisia frigida +
red  +, pale-yellow  +
Artemisia furcata +
red-tinged  +, yellow  +
Artemisia globularia +
reddish black  +, yellow  +
Artemisia globularia subsp. globularia +
reddish black  +
Artemisia globularia subsp. lutea +
yellow  +
Artemisia glomerata +
yellow  +
Artemisia laciniata +
yellow  +, reddish-tinged  +
Artemisia laciniata subsp. laciniata +
yellowish  +
Artemisia laciniata subsp. parryi +
reddish-tinged  +, yellow  +
Artemisia longifolia +
pale-yellow  +
Artemisia ludoviciana +
red-tinged  +, yellow  +
Artemisia ludoviciana subsp. albula +
red-tinged  +, yellow  +
Artemisia ludoviciana subsp. candicans +
red-tinged  +, yellow  +
Artemisia ludoviciana subsp. incompta +
red-tinged  +, yellow  +
Artemisia ludoviciana subsp. ludoviciana +
red-tinged  +, yellow  +
Artemisia ludoviciana subsp. mexicana +
red-tinged  +, yellow  +
Artemisia ludoviciana subsp. redolens +
red-tinged  +, yellow  +
Artemisia michauxiana +
yellow  +
Artemisia nesiotica +
pale-yellow  +
Artemisia norvegica +
red  +, pale-yellow  +
Artemisia norvegica subsp. saxatilis +
red-tinged  +, yellow  +
Artemisia nova +
red  +, pale-yellow  +
Artemisia packardiae +
bright-yellow  +
Artemisia palmeri +
pale-yellow  +
Artemisia papposa +
yellow  +
Artemisia pattersonii +
red  +, pale-yellow  +
Artemisia pedatifida +
red-tinged  +, yellow  +
Artemisia pontica +
gland-dotted  +, pale-yellow  +
Artemisia porteri +
pale-yellow  +
Artemisia pycnocephala +
pale-yellow  +
Artemisia pygmaea +
red  +, pale-yellow  +
Artemisia rigida +
yellowish red  +, red  +
Artemisia rothrockii +
red  +, pale-yellow  +
Artemisia rupestris +
red  +, pale-yellow  +
Artemisia scopulorum +
red  +, pale-yellow  +
Artemisia senjavinensis +
tan  +, yellow  +
Artemisia serrata +
pale-yellow  +
Artemisia spiciformis +
red  +, pale-yellow  +
Artemisia stelleriana +
yellow  +
Artemisia subg. Absinthium +
red  +, pale-yellow  +
Artemisia subg. Artemisia +
red  +, pale-yellow  +
Artemisia subg. Drancunculus +
red  +, pale-yellow  +
Artemisia subg. Tridentatae +
red  +, pale-yellow  +
Artemisia suksdorfii +
yellow  +
Artemisia tilesii +
yellow  +
Artemisia tridentata +
red  +, pale-yellow  +
Artemisia tridentata subsp. parishii +
red  +, pale-yellow  +
Artemisia tridentata subsp. tridentata +
red  +, pale-yellow  +
Artemisia tridentata subsp. vaseyana +
red  +, pale-yellow  +
Artemisia tridentata subsp. wyomingensis +
red  +, pale-yellow  +
Artemisia tripartita +
red  +, pale-yellow  +
Artemisia tripartita subsp. rupicola +
red  +, pale-yellow  +
Artemisia tripartita subsp. tripartita +
red  +, pale-yellow  +
Artemisia vulgaris +
yellowish  +, reddish-brown  +
Asanthus +
whitish  +
Asanthus squamulosus +
whitish  +
Aster +
yellow  +, violet  +, blue  +, …, …
Aster alpinus +
yellow  +, violet  +, blue  +, …, …
Aster alpinus subsp. vierhapperi +
yellow turning brown  +
Aster tataricus +
light yellow  +
Asteraceae (tribe Heliantheae) subtribe Ambrosiinae +
pinkish  +, yellowish  +, whitish  +, …
Asteraceae (tribe Heliantheae) subtribe Baeriinae +
yellow  +, orange  +
Asteraceae (tribe Heliantheae) subtribe Chaenactidinae +
whitish  +, purplish  +, orange  +, …, …
Asteraceae (tribe Heliantheae) subtribe Clappiinae +
yellow  +, yellowish  +
Asteraceae (tribe Heliantheae) subtribe Coreopsidinae +
purple  +, redbrown  +, brown  +, …, …
Asteraceae (tribe Heliantheae) subtribe Dimeresiinae +
purple  +, pink  +, white  +
Asteraceae (tribe Heliantheae) subtribe Ecliptinae +
whitish  +, white  +, red  +, …, …
Asteraceae (tribe Heliantheae) subtribe Flaveriinae +
yellow  +
Asteraceae (tribe Heliantheae) subtribe Gaillardiinae +
reddish  +, redbrown  +, purple  +, …, …
Asteraceae (tribe Heliantheae) subtribe Galinsoginae +
yellow  +, orange or whitish pinkish or purplish  +
Asteraceae (tribe Heliantheae) subtribe Guardiolinae +
whitish  +
Asteraceae (tribe Heliantheae) subtribe Helianthinae +
brown  +, purple or reddish  +
Asteraceae (tribe Heliantheae) subtribe Hymenopappinae +
whitish  +, purplish  +
Asteraceae (tribe Heliantheae) subtribe Jaumeinae +
yellow  +
Asteraceae (tribe Heliantheae) subtribe Madiinae +
whitish  +, reddish  +, orange  +, …, …
Asteraceae (tribe Heliantheae) subtribe Marshalliinae +
white  +, purple  +, pink  +, …
Asteraceae (tribe Heliantheae) subtribe Melampodiinae +
whitish  +, orange  +, yellow  +, …
Asteraceae (tribe Heliantheae) subtribe Milleriinae +
yellow  +
Asteraceae (tribe Heliantheae) subtribe Pectidinae +
yellow  +, orange or brown or pinkish  +
Asteraceae (tribe Heliantheae) subtribe Peritylinae +
white  +, yellow  +
Asteraceae (tribe Heliantheae) subtribe Polymniinae +
pale-yellow  +, pale yellowish  +, whitish  +
Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae +
yellowish green  +, yellow or brown-purple  +
Asteraceae (tribe Heliantheae) subtribe Varillinae +
yellow  +
Asteraceae (tribe Heliantheae) subtribe Zaluzaniinae +
yellow  +
Asteraceae tribe Anthemideae +
reddish  +, cyanic  +
Asteraceae tribe Arctotideae +
dark-brown  +, purple  +
Asteraceae tribe Astereae +
cyanic  +, ochroleucous  +, white  +, …, …
Asteraceae tribe Calenduleae +
cyanic  +, orange  +, yellow  +, …, …
Asteraceae tribe Cardueae +
white  +, cyanic  +, yellow  +, …
Asteraceae tribe Cichorieae +
white  +, cyanic  +, usually yellow  +, …
Asteraceae tribe Eupatorieae +
not yellow  +, pink  +, purplish  +
Asteraceae tribe Gnaphalieae +
red-tipped  +, purplish  +, yellow  +, …
Asteraceae tribe Heliantheae +
cyanic  +, reddish purplish or brown  +
Asteraceae tribe Inuleae +
reddish  +, yellow  +
Asteraceae tribe Plucheeae +
yellowish  +, ochroleucous  +, whitish  +, …, …
Asteraceae tribe Senecioneae +
reddish  +, cyanic  +
Asteraceae tribe Vernonieae +
pink  +, cyanic  +
Astranthium +
yellow  +, white  +, with blue to purplish blue midstripe  +
Astranthium ciliatum +
yellow  +, white  +, with blue to purplish blue midstripe  +
Astranthium integrifolium +
yellow  +, white  +, with blue to purplish blue midstripe  +
Astranthium robustum +
yellow  +, white  +, with blue to purplish blue midstripe  +
Atrichoseris +
purple  +, rose  +, white  +
Atrichoseris platyphylla +
purple  +, rose  +, white  +
Aureolaria +
yellow  +
Aureolaria flava +
yellow  +
Aureolaria grandiflora +
yellow  +
Aureolaria levigata +
yellow  +
Aureolaria patula +
yellow  +
Aureolaria pectinata +
yellow  +
Aureolaria pedicularia +
yellow  +
Aureolaria virginica +
yellow  +
B
Baccharis +
whitish  +, white  +, pale-yellow  +
Baccharis angustifolia +
whitish  +, white  +, pale-yellow  +
Baccharis bigelovii +
whitish  +, white  +, pale-yellow  +
Baccharis brachyphylla +
whitish  +, white  +, pale-yellow  +
Baccharis dioica +
whitish  +, white  +, pale-yellow  +
Baccharis glomeruliflora +
whitish  +, white  +, pale-yellow  +
Baccharis glutinosa +
whitish  +, white  +, pale-yellow  +
Baccharis halimifolia +
whitish  +, white  +, pale-yellow  +
Baccharis havardii +
whitish  +, white  +, pale-yellow  +
Baccharis malibuensis +
whitish  +, white  +, pale-yellow  +
Baccharis neglecta +
whitish  +, white  +, pale-yellow  +
Baccharis pilularis +
whitish  +, white  +, pale-yellow  +
Baccharis pilularis subsp. consanguinea +
white  +, whitish  +, pale-yellow  +
Baccharis pilularis subsp. pilularis +
white  +, whitish  +, pale-yellow  +
Baccharis plummerae +
whitish  +, white  +, pale-yellow  +
Baccharis plummerae subsp. glabrata +
white  +, whitish  +, pale-yellow  +
Baccharis plummerae subsp. plummerae +
white  +, whitish  +, pale-yellow  +
Baccharis pteronioides +
whitish  +, white  +, pale-yellow  +
Baccharis salicifolia +
whitish  +, white  +, pale-yellow  +
Baccharis salicina +
whitish  +, white  +, pale-yellow  +
Baccharis sarothroides +
whitish  +, white  +, pale-yellow  +
Baccharis sergiloides +
whitish  +, white  +, pale-yellow  +
Baccharis texana +
whitish  +, white  +, pale-yellow  +
Baccharis thesioides +
whitish  +, white  +, pale-yellow  +
Baccharis vanessae +
whitish  +, white  +, pale-yellow  +
Baccharis wrightii +
whitish  +, white  +, pale-yellow  +
Bacopa +
violet-blue  +, pink  +, white  +
Bacopa caroliniana +
violet-blue  +
Bacopa egensis +
white  +
Bacopa eisenii +
white  +
Bacopa innominata +
white  +
Bacopa monnieri +
white  +
Bacopa repens +
pink  +
Bacopa rotundifolia +
white  +
Bahia +
yellow  +
Bahia absinthifolia +
yellow  +
Bahia bigelovii +
yellow  +
Bahia biternata +
yellow  +
Bahia pedata +
yellow  +
Bahiopsis +
yellow  +
Bahiopsis laciniata +
yellow  +
Bahiopsis parishii +
yellow  +
Bahiopsis reticulata +
yellow  +
Baileya +
yellow  +
Baileya multiradiata +
yellow  +
Baileya pauciradiata +
yellow  +
Baileya pleniradiata +
yellow  +
Balduina +
purple  +, orange-red  +, yellow  +
Balduina angustifolia +
yellow  +
Balduina atropurpurea +
purple  +, orange-red  +, yellow  +
Balduina uniflora +
yellow  +, orange-red  +
Balsamorhiza +
yellow  +, orange  +
Balsamorhiza careyana +
yellow  +, orange  +
Balsamorhiza deltoidea +
yellow  +, orange  +
Balsamorhiza hispidula +
yellow  +, orange  +
Balsamorhiza hookeri +
yellow  +, orange  +
Balsamorhiza incana +
yellow  +, orange  +
Balsamorhiza lanata +
yellow  +, orange  +
Balsamorhiza macrolepis +
yellow  +, orange  +
Balsamorhiza macrophylla +
yellow  +, orange  +
Balsamorhiza rosea +
yellow  +, orange  +
Balsamorhiza sagittata +
yellow  +, orange  +
Balsamorhiza sericea +
yellow  +, orange  +
Balsamorhiza serrata +
yellow  +, orange  +
Balsamorhiza subg. Artorhiza +
yellow  +, orange  +
Balsamorhiza subg. Balsamorhiza +
yellow  +, orange  +
Barkleyanthus +
yellow  +
Barkleyanthus salicifolius +
yellow  +
Bartlettia +
suffused with purple  +, yellow  +, golden yellow  +
Bartlettia scaposa +
suffused with purple  +, yellow  +, golden yellow  +
Bartsia +
violet  +, yellow  +
Bartsia alpina +
violet  +, yellow  +
Bastardia +
yellow  +
Bastardia viscosa +
yellow  +
Batesimalva +
blue-violet  +
Batesimalva violacea +
blue-violet  +
Bebbia +
yellow  +, orange  +
Bebbia juncea +
yellow  +, orange  +
Bebbia juncea var. aspera +
yellow  +, orange  +
Bellardia +
red-purple  +, yellow  +, white  +
Bellardia latifolia +
red-purple  +, yellow  +, white  +
Bellardia trixago +
white  +
Bellardia viscosa +
yellow  +
Bellis +
pale-yellow  +, white  +, purplish-tinged  +, …
Bellis perennis +
pale-yellow  +, white  +, purplish-tinged  +, …
Benitoa +
yellow  +
Benitoa occidentalis +
yellow  +
Berlandiera +
red  +, maroon  +
Berlandiera lyrata +
red  +, maroon  +
Berlandiera monocephala +
red  +, maroon  +
Berlandiera pumila +
red  +, maroon  +
Berlandiera subacaulis +
red  +, maroon  +
Berlandiera texana +
red  +, maroon  +
Berlandiera ×betonicifolia +
red  +, maroon  +
Berlandiera ×humilis +
red  +, maroon  +
Berlandiera ×macrophylla +
red  +, maroon  +
Bidens +
whitish  +, usually yellow  +, orange  +
Bidens amplissima +
yellow  +
Bidens aristosa +
yellowish  +
Bidens aurea +
yellowish  +
Bidens beckii +
pale-yellow  +
Bidens bidentoides +
yellowish  +
Bidens bigelovii +
yellowish  +
Bidens bipinnata +
yellowish  +, whitish  +
Bidens cernua +
orange-yellow  +
Bidens connata +
pale-yellow  +, orange  +
Bidens discoidea +
orange  +
Bidens eatonii +
yellowish  +
Bidens frondosa +
orange  +
Bidens heterodoxa +
yellowish  +
Bidens heterosperma +
yellowish  +
Bidens hyperborea +
yellow  +
Bidens laevis +
yellow  +, orange-yellow  +
Bidens lemmonii +
whitish  +, yellowish  +
Bidens leptocephala +
yellowish  +, whitish  +
Bidens mitis +
yellowish  +
Bidens pilosa +
yellowish  +
Bidens polylepis +
yellow  +
Bidens tenuisecta +
yellow  +
Bidens trichosperma +
yellow  +
Bidens tripartita +
pale-yellow  +, orange  +
Bidens vulgata +
yellow  +
Bigelowia +
yellow  +
Bigelowia nudata +
yellow  +
Bigelowia nudata var. australis +
yellow  +
Bigelowia nudata var. nudata +
yellow  +
Bigelowia nuttallii +
yellow  +
Billieturnera +
pale-yellow  +
Billieturnera helleri +
pale-yellow  +
Blennosperma +
yellow  +, white  +
Blennosperma bakeri +
yellow  +
Blennosperma nanum +
purplish  +, white  +, yellow  +
Blennosperma nanum var. nanum +
purplish  +, white  +, yellow  +
Blennosperma nanum var. robustum +
purplish  +, white  +, yellow  +
Blepharipappus +
whitish  +
Blepharipappus scaber +
whitish  +
Blepharizonia +
whitish  +, purplish  +
Blepharizonia laxa +
whitish  +, purplish  +
Blepharizonia plumosa +
whitish  +, purplish  +
Boltonia +
yellow  +, white  +, lilac  +
Boltonia apalachicolensis +
white  +, lilac  +
Boltonia asteroides +
white  +, lilac  +
Boltonia asteroides var. asteroides +
white  +, lilac  +
Boltonia asteroides var. latisquama +
white  +, lilac  +
Boltonia asteroides var. recognita +
white  +, lilac  +
Boltonia caroliniana +
white  +, lilac  +
Boltonia decurrens +
white  +, lilac  +
Boltonia diffusa +
white  +, lilac  +
Boltonia diffusa var. diffusa +
white  +, lilac  +
Boltonia diffusa var. interior +
white  +, lilac  +
Bonellia +
orange  +, yellow  +
Bonellia macrocarpa +
orange  +, yellow  +
Bonellia macrocarpa subsp. macrocarpa +
orange  +, yellow  +
Bontia +
coppery brown  +, greenish tan  +
Bontia daphnoides +
coppery brown  +, greenish tan  +
Borrichia +
yellow  +
Borrichia arborescens +
yellow  +
Borrichia frutescens +
yellow  +
Borrichia ×cubana +
yellow  +
Boschniakia +
dark purple  +, dark red  +
Boschniakia rossica +
dark purple  +, dark red  +
Brachystigma +
yellow  +
Brachystigma wrightii +
yellow  +
Bradburia +
yellow  +
Bradburia hirtella +
yellow  +
Bradburia pilosa +
yellow  +
Brickellia +
yellowish  +, purplish  +, greenish  +, …, …
Brickellia amplexicaulis +
red-tinged  +, purple  +, cream  +, …
Brickellia atractyloides +
purple-tinged  +, cream  +, pale yellow-green  +
Brickellia atractyloides var. arguta +
purple-tinged  +, cream  +
Brickellia atractyloides var. atractyloides +
pale yellow-green  +
Brickellia atractyloides var. odontolepis +
purple-tinged  +, cream  +
Brickellia baccharidea +
cream  +
Brickellia betonicifolia +
purplish  +
Brickellia brachyphylla +
purple-tinged  +, pale yellow-green  +
Brickellia californica +
pale yellow-green  +
Brickellia chenopodina +
greenish white  +, pale yellow-green  +
Brickellia cordifolia +
purple-tinged  +, pale yellow-green  +
Brickellia coulteri +
purple-tinged  +, pale yellow-green  +
Brickellia coulteri var. brachiata +
purple-tinged  +, pale yellow-green  +
Brickellia coulteri var. coulteri +
purple-tinged  +, pale yellow-green  +
Brickellia cylindracea +
purple-tinged  +, yellow-orange  +, yellow  +, …
Brickellia dentata +
yellow  +, pale green  +
Brickellia desertorum +
white  +
Brickellia eupatorioides +
maroon  +, pinkish lavender  +, yellow-green  +, …
Brickellia eupatorioides var. chlorolepis +
pale yellow-green  +, pinkish lavender  +
Brickellia eupatorioides var. corymbulosa +
pale-yellow  +, pinkish lavender  +
Brickellia eupatorioides var. eupatorioides +
pale-yellow  +, maroon  +
Brickellia eupatorioides var. floridana +
pale-yellow  +, maroon  +
Brickellia eupatorioides var. gracillima +
pale-yellow  +, pinkish lavender  +
Brickellia eupatorioides var. texana +
pale-yellow  +, pinkish lavender  +
Brickellia floribunda +
greenish white  +, pale yellow-green  +
Brickellia frutescens +
purplish  +
Brickellia grandiflora +
pale yellow-green  +
Brickellia greenei +
purple-tinged  +, yellow-green  +
Brickellia hinckleyi +
cream  +, pale-yellow  +
Brickellia hinckleyi var. hinckleyi +
cream  +, pale-yellow  +
Brickellia hinckleyi var. terlinguensis +
cream  +, pale-yellow  +
Brickellia incana +
purple-tinged  +, cream  +, pale-yellow  +
Brickellia knappiana +
white  +
Brickellia laciniata +
purple-tinged  +, pale yellow-green  +
Brickellia lemmonii +
pale yellow-green  +
Brickellia lemmonii var. conduplicata +
pale yellow-green  +
Brickellia lemmonii var. lemmonii +
pale yellow-green  +
Brickellia longifolia +
cream  +
Brickellia longifolia var. longifolia +
cream  +
Brickellia longifolia var. multiflora +
cream  +
Brickellia microphylla +
purple-tinged  +, pale-yellow  +
Brickellia microphylla var. microphylla +
purple-tinged  +, pale-yellow  +
Brickellia microphylla var. scabra +
purple-tinged  +, pale-yellow  +
Brickellia nevinii +
purple-tinged  +, cream  +, pale-yellow  +
Brickellia oblongifolia +
purple-tinged  +, cream  +, pale yellow-green  +
Brickellia oblongifolia var. linifolia +
purple-tinged  +, cream  +, pale yellow-green  +
Brickellia oblongifolia var. oblongifolia +
purple-tinged  +, cream  +, pale yellow-green  +
Brickellia parvula +
yellow  +, pale green  +
Brickellia pringlei +
pale-yellow  +
Brickellia rusbyi +
yellowish  +
Brickellia simplex +
purple-tinged  +, pale-yellow  +
Brickellia venosa +
purple-tinged  +, pale-yellow  +
Brickellia veronicifolia +
purple-tinged  +, red  +, cream  +, …
Brickelliastrum +
yellowish white  +, white  +
Brickelliastrum fendleri +
yellowish white  +, white  +
Brintonia +
rose-purple-tinted  +, white  +
Brintonia discoidea +
rose-purple-tinted  +, white  +
Bryophyllum daigremontianum +
lavender  +, pink  +
Bryophyllum delagoense +
orange  +, scarlet  +
Bryophyllum fedtschenkoi +
orange-red  +
Bryophyllum gastonis-bonnieri +
yellow-green marked  +
Bryophyllum pinnatum +
maroon  +
Buchnera +
white  +, rosy  +, violet  +, …, …
Buchnera americana +
white  +, rosy  +, violet  +, …, …
Buchnera floridana +
white  +, rosy  +, violet  +, …, …
Buchnera obliqua +
white  +, rosy  +, violet  +, …, …
Buddleja +
white  +, pink  +, purple  +, …, …
Buddleja davidii +
white  +, pink  +, violet  +
Buddleja indica +
greenish yellow  +
Buddleja lindleyana +
white  +, pink  +, purple  +, …, …
Buddleja madagascariensis +
yellowish orange  +
Buddleja marrubiifolia +
yellow  +
Buddleja racemosa +
pale-yellow  +
Buddleja racemosa var. incana +
pale-yellow  +
Buddleja racemosa var. racemosa +
pale-yellow  +
Buddleja saligna +
white  +
Buddleja scordioides +
greenish yellow  +, lemon yellow  +
Buddleja sessiliflora +
yellow  +
Buddleja utahensis +
light yellow  +
C
Cacaliopsis +
yellow  +, orange  +
Cacaliopsis nardosmia +
yellow  +, orange  +
Calendula +
purplish  +, reddish  +, yellow  +, …
Calendula arvensis +
purplish  +, reddish  +, yellow  +, …
Calendula officinalis +
purplish  +, reddish  +, yellow  +, …
Calluna vulgaris +
pinkish purple  +, white  +
Calycadenia +
cream  +, rose or yellow  +
Calycadenia fremontii +
white  +, pinkish or yellow  +
Calycadenia hooveri +
white  +
Calycadenia micrantha +
yellowish  +, bright-yellow  +
Calycadenia mollis +
yellow  +, white or rose  +
Calycadenia multiglandulosa +
cream  +, rose or yellow  +
Calycadenia oppositifolia +
white  +, pink  +
Calycadenia pauciflora +
white  +, pinkish  +
Calycadenia spicata +
pinkish  +, fading reddish  +, white  +
Calycadenia truncata +
yellow  +
Calycadenia villosa +
white  +, pinkish  +
Calycoseris +
yellow  +, white  +
Calycoseris parryi +
yellow  +, white  +
Calycoseris wrightii +
yellow  +, white  +
Calyptocarpus +
yellow  +, pale-yellow  +
Calyptocarpus vialis +
yellow  +, pale-yellow  +
Canadanthus +
purplish-tinged  +, whitish  +, pale-yellow  +
Canadanthus modestus +
purplish-tinged  +, whitish  +, pale-yellow  +
Capraria +
white  +
Capraria biflora +
white  +
Capraria mexicana +
white  +
Carduus +
white  +, pink or purple  +
Carduus acanthoides +
white  +, pink or purple  +
Carduus acanthoides subsp. acanthoides +
white  +, purple  +
Carduus crispus +
white  +, purple  +
Carduus nutans +
white  +, pink or purple  +
Carduus pycnocephalus +
white  +, pink or purple  +
Carduus pycnocephalus subsp. pycnocephalus +
white  +, pink or purple  +
Carduus tenuiflorus +
pinkish  +
Carica papaya +
white  +
Carlina +
yellow  +, maroon  +
Carlina vulgaris +
yellow  +, maroon  +
Carlina vulgaris subsp. vulgaris +
yellow  +, maroon-purple  +
Carlquistia +
yellow  +
Carlquistia muirii +
yellow  +
Carminatia +
greenish white  +, cream-colored  +
Carminatia tenuiflora +
greenish white  +, cream-colored  +
Carphephorus +
blue  +, usually lavender  +, dark magenta or pinkish purple  +
Carphephorus bellidifolius +
blue  +, usually lavender  +, dark magenta or pinkish purple  +
Carphephorus carnosus +
blue  +, usually lavender  +, dark magenta or pinkish purple  +
Carphephorus corymbosus +
blue  +, usually lavender  +, dark magenta or pinkish purple  +
Carphephorus odoratissimus +
blue  +, usually lavender  +, dark magenta or pinkish purple  +
Carphephorus odoratissimus var. odoratissimus +
blue  +, usually lavender  +, dark magenta or pinkish purple  +
Carphephorus odoratissimus var. subtropicanus +
blue  +, usually lavender  +, dark magenta or pinkish purple  +
Carphephorus paniculatus +
blue  +, usually lavender  +, dark magenta or pinkish purple  +
Carphephorus pseudoliatris +
blue  +, usually lavender  +, dark magenta or pinkish purple  +
Carphephorus tomentosus +
blue  +, usually lavender  +, dark magenta or pinkish purple  +
Carphochaete +
pink  +, purple  +
Carphochaete bigelovii +
pink  +, purple  +
Carthamus +
yellow  +, red or more or less purple  +
Carthamus creticus +
pale-yellow  +
Carthamus lanatus +
red  +, yellow  +
Carthamus leucocaulos +
pale-purple  +, pink  +
Carthamus tinctorius +
yellow  +, red  +
Cassiope lycopodioides +
white  +
Cassiope mertensiana +
white  +
Cassiope mertensiana subsp. californica +
white  +
Cassiope mertensiana subsp. ciliolata +
white  +
Cassiope mertensiana subsp. gracilis +
white  +
Cassiope mertensiana subsp. mertensiana +
white  +
Cassiope tetragona +
white  +, yellowish  +
Cassiope tetragona subsp. saximontana +
white  +, yellowish  +
Cassiope tetragona subsp. tetragona +
white  +, yellowish  +
Castilleja +
purple  +, pink  +, red  +, …, …
Castilleja affinis +
purple  +, pink  +, red  +, …, …
Castilleja affinis var. affinis +
purple  +, pink  +, red  +, …, …
Castilleja affinis var. contentiosa +
purple  +, pink  +, red  +, …, …
Castilleja affinis var. neglecta +
purple  +, pink  +, red  +, …, …
Castilleja ambigua +
purple  +, pink  +, red  +, …, …
Castilleja ambigua var. ambigua +
purple  +, pink  +, red  +, …, …
Castilleja ambigua var. humboldtiensis +
purple  +, pink  +, red  +, …, …
Castilleja ambigua var. insalutata +
purple  +, pink  +, red  +, …, …
Castilleja ambigua var. meadii +
purple  +, pink  +, red  +, …, …
Castilleja angustifolia +
purple  +, pink  +, red  +, …, …
Castilleja angustifolia var. angustifolia +
purple  +, pink  +, red  +, …, …
Castilleja angustifolia var. dubia +
purple  +, pink  +, red  +, …, …
Castilleja angustifolia var. flavescens +
purple  +, pink  +, red  +, …, …
Castilleja applegatei +
purple  +, pink  +, red  +, …, …
Castilleja applegatei var. applegatei +
purple  +, pink  +, red  +, …, …
Castilleja applegatei var. breweri +
purple  +, pink  +, red  +, …, …
Castilleja applegatei var. pinetorum +
purple  +, pink  +, red  +, …, …
Castilleja applegatei var. viscida +
purple  +, pink  +, red  +, …, …
Castilleja aquariensis +
purple  +, pink  +, red  +, …, …
Castilleja arachnoidea +
purple  +, pink  +, red  +, …, …
Castilleja attenuata +
purple  +, pink  +, red  +, …, …
Castilleja brevilobata +
purple  +, pink  +, red  +, …, …
Castilleja brevistyla +
purple  +, pink  +, red  +, …, …
Castilleja campestris +
purple  +, pink  +, red  +, …, …
Castilleja campestris var. campestris +
light  +, bright-yellow  +
Castilleja campestris var. succulenta +
orange  +, yellow  +
Castilleja cervina +
purple  +, pink  +, red  +, …, …
Castilleja chambersii +
purple  +, pink  +, red  +, …, …
Castilleja chlorotica +
purple  +, pink  +, red  +, …, …
Castilleja christii +
purple  +, pink  +, red  +, …, …
Castilleja chromosa +
purple  +, pink  +, red  +, …, …
Castilleja chrymactis +
purple  +, pink  +, red  +, …, …
Castilleja chrysantha +
purple  +, pink  +, red  +, …, …
Castilleja cinerea +
purple  +, pink  +, red  +, …, …
Castilleja citrina +
purple  +, pink  +, red  +, …, …
Castilleja coccinea +
purple  +, pink  +, red  +, …, …
Castilleja collegiorum +
purple  +, pink  +, red  +, …, …
Castilleja covilleana +
purple  +, pink  +, red  +, …, …
Castilleja crista-galli +
purple  +, pink  +, red  +, …, …
Castilleja cryptantha +
purple  +, pink  +, red  +, …, …
Castilleja cusickii +
purple  +, pink  +, red  +, …, …
Castilleja densiflora +
purple  +, pink  +, red  +, …, …
Castilleja densiflora var. densiflora +
purple  +, pink  +, red  +, …, …
Castilleja densiflora var. gracilis +
purple  +, pink  +, red  +, …, …
Castilleja densiflora var. obispoënsis +
purple  +, pink  +, red  +, …, …
Castilleja dissitiflora +
purple  +, pink  +, red  +, …, …
Castilleja disticha +
purple  +, pink  +, red  +, …, …
Castilleja elata +
purple  +, pink  +, red  +, …, …
Castilleja elegans +
purple  +, pink  +, red  +, …, …
Castilleja elmeri +
purple  +, pink  +, red  +, …, …
Castilleja exserta +
purple  +, pink  +, red  +, …, …
Castilleja exserta var. exserta +
purple  +, pink  +, red  +, …, …
Castilleja exserta var. latifolia +
purple  +, pink  +, red  +, …, …
Castilleja exserta var. venusta +
purple  +, pink  +, red  +, …, …
Castilleja flava +
purple  +, pink  +, red  +, …, …
Castilleja flava var. flava +
purple  +, pink  +, red  +, …, …
Castilleja flava var. rustica +
purple  +, pink  +, red  +, …, …
Castilleja foliolosa +
purple  +, pink  +, red  +, …, …
Castilleja fraterna +
purple  +, pink  +, red  +, …, …
Castilleja genevieveana +
purple  +, pink  +, red  +, …, …
Castilleja glandulifera +
purple  +, pink  +, red  +, …, …
Castilleja gleasoni +
purple  +, pink  +, red  +, …, …
Castilleja gracillima +
purple  +, pink  +, red  +, …, …
Castilleja grisea +
purple  +, pink  +, red  +, …, …
Castilleja haydenii +
purple  +, pink  +, red  +, …, …
Castilleja hispida +
purple  +, pink  +, red  +, …, …
Castilleja hispida var. acuta +
purple  +, pink  +, red  +, …, …
Castilleja hispida var. hispida +
purple  +, pink  +, red  +, …, …
Castilleja hololeuca +
purple  +, pink  +, red  +, …, …
Castilleja hyperborea +
purple  +, pink  +, red  +, …, …
Castilleja indivisa +
purple  +, pink  +, red  +, …, …
Castilleja integra +
purple  +, pink  +, red  +, …, …
Castilleja kaibabensis +
purple  +, pink  +, red  +, …, …
Castilleja kerryana +
purple  +, pink  +, red  +, …, …
Castilleja kraliana +
purple  +, pink  +, red  +, …, …
Castilleja lacera +
purple  +, pink  +, red  +, …, …
Castilleja lanata +
purple  +, pink  +, red  +, …, …
Castilleja lasiorhyncha +
purple  +, pink  +, red  +, …, …
Castilleja lassenensis +
purple  +, pink  +, red  +, …, …
Castilleja latifolia +
purple  +, pink  +, red  +, …, …
Castilleja lemmonii +
purple  +, pink  +, red  +, …, …
Castilleja leschkeana +
purple  +, pink  +, red  +, …, …
Castilleja levisecta +
purple  +, pink  +, red  +, …, …
Castilleja linariifolia +
purple  +, pink  +, red  +, …, …
Castilleja lindheimeri +
purple  +, pink  +, red  +, …, …
Castilleja lineariloba +
purple  +, pink  +, red  +, …, …
Castilleja lineata +
purple  +, pink  +, red  +, …, …
Castilleja litoralis +
purple  +, pink  +, red  +, …, …
Castilleja lutescens +
purple  +, pink  +, red  +, …, …
Castilleja martini +
purple  +, pink  +, red  +, …, …
Castilleja martini var. clokeyi +
purple  +, pink  +, red  +, …, …
Castilleja martini var. martini +
purple  +, pink  +, red  +, …, …
Castilleja mendocinensis +
purple  +, pink  +, red  +, …, …
Castilleja mexicana +
purple  +, pink  +, red  +, …, …
Castilleja miniata +
purple  +, pink  +, red  +, …, …
Castilleja miniata var. dixonii +
purple  +, pink  +, red  +, …, …
Castilleja miniata var. fulva +
purple  +, pink  +, red  +, …, …
Castilleja miniata var. miniata +
purple  +, pink  +, red  +, …, …
Castilleja miniata var. oblongifolia +
purple  +, pink  +, red  +, …, …
Castilleja minor +
purple  +, pink  +, red  +, …, …
Castilleja minor var. exilis +
purple  +, pink  +, red  +, …, …
Castilleja minor var. minor +
purple  +, pink  +, red  +, …, …
Castilleja minor var. spiralis +
purple  +, pink  +, red  +, …, …
Castilleja minor var. stenantha +
purple  +, pink  +, red  +, …, …
Castilleja mogollonica +
purple  +, pink  +, red  +, …, …
Castilleja mollis +
purple  +, pink  +, red  +, …, …
Castilleja montigena +
purple  +, pink  +, red  +, …, …
Castilleja nana +
purple  +, pink  +, red  +, …, …
Castilleja nelsonii +
purple  +, pink  +, red  +, …, …
Castilleja nervata +
purple  +, pink  +, red  +, …, …
Castilleja nivea +
purple  +, pink  +, red  +, …, …
Castilleja occidentalis +
purple  +, pink  +, red  +, …, …
Castilleja oresbia +
purple  +, pink  +, red  +, …, …
Castilleja organorum +
purple  +, pink  +, red  +, …, …
Castilleja ornata +
purple  +, pink  +, red  +, …, …
Castilleja pallescens +
purple  +, pink  +, red  +, …, …
Castilleja pallescens var. inverta +
purple  +, pink  +, red  +, …, …
Castilleja pallescens var. pallescens +
purple  +, pink  +, red  +, …, …
Castilleja pallida +
purple  +, pink  +, red  +, …, …
Castilleja pallida var. caudata +
purple  +, pink  +, red  +, …, …
Castilleja pallida var. yukonis +
purple  +, pink  +, red  +, …, …
Castilleja parviflora +
purple  +, pink  +, red  +, …, …
Castilleja parviflora var. albida +
purple  +, pink  +, red  +, …, …
Castilleja parviflora var. olympica +
purple  +, pink  +, red  +, …, …
Castilleja parviflora var. oreopola +
purple  +, pink  +, red  +, …, …
Castilleja parviflora var. parviflora +
purple  +, pink  +, red  +, …, …
Castilleja parvula +
purple  +, pink  +, red  +, …, …
Castilleja patriotica +
purple  +, pink  +, red  +, …, …
Castilleja peckiana +
purple  +, pink  +, red  +, …, …
Castilleja peirsonii +
purple  +, pink  +, red  +, …, …
Castilleja pilosa +
purple  +, pink  +, red  +, …, …
Castilleja pilosa var. longispica +
purple  +, pink  +, red  +, …, …
Castilleja pilosa var. pilosa +
purple  +, pink  +, red  +, …, …
Castilleja pilosa var. steenensis +
purple  +, pink  +, red  +, …, …
Castilleja plagiotoma +
purple  +, pink  +, red  +, …, …
Castilleja praeterita +
purple  +, pink  +, red  +, …, …
Castilleja pruinosa +
purple  +, pink  +, red  +, …, …
Castilleja puberula +
purple  +, pink  +, red  +, …, …
Castilleja pulchella +
purple  +, pink  +, red  +, …, …
Castilleja purpurascens +
purple  +, pink  +, red  +, …, …
Castilleja purpurea +
purple  +, pink  +, red  +, …, …
Castilleja raupii +
purple  +, pink  +, red  +, …, …
Castilleja revealii +
purple  +, pink  +, red  +, …, …
Castilleja rhexiifolia +
purple  +, pink  +, red  +, …, …
Castilleja rigida +
purple  +, pink  +, red  +, …, …
Castilleja rubicundula +
purple  +, pink  +, red  +, …, …
Castilleja rubicundula var. lithospermoides +
purple  +, pink  +, red  +, …, …
Castilleja rubicundula var. rubicundula +
purple  +, pink  +, red  +, …, …
Castilleja rubida +
purple  +, pink  +, red  +, …, …
Castilleja rupicola +
purple  +, pink  +, red  +, …, …
Castilleja salsuginosa +
purple  +, pink  +, red  +, …, …
Castilleja scabrida +
purple  +, pink  +, red  +, …, …
Castilleja scabrida var. barnebyana +
purple  +, pink  +, red  +, …, …
Castilleja scabrida var. scabrida +
purple  +, pink  +, red  +, …, …
Castilleja schizotricha +
purple  +, pink  +, red  +, …, …
Castilleja septentrionalis +
purple  +, pink  +, red  +, …, …
Castilleja sessiliflora +
purple  +, pink  +, red  +, …, …
Castilleja subinclusa +
purple  +, pink  +, red  +, …, …
Castilleja subinclusa var. franciscana +
purple  +, pink  +, red  +, …, …
Castilleja subinclusa var. jepsonii +
purple  +, pink  +, red  +, …, …
Castilleja subinclusa var. subinclusa +
purple  +, pink  +, red  +, …, …
Castilleja suksdorfii +
purple  +, pink  +, red  +, …, …
Castilleja tenuiflora +
purple  +, pink  +, red  +, …, …
Castilleja tenuiflora var. tenuiflora +
purple  +, pink  +, red  +, …, …
Castilleja tenuis +
purple  +, pink  +, red  +, …, …
Castilleja thompsonii +
purple  +, pink  +, red  +, …, …
Castilleja tomentosa +
purple  +, pink  +, red  +, …, …
Castilleja uliginosa +
purple  +, pink  +, red  +, …, …
Castilleja unalaschcensis +
purple  +, pink  +, red  +, …, …
Castilleja victoriae +
purple  +, pink  +, red  +, …, …
Castilleja viscidula +
purple  +, pink  +, red  +, …, …
Castilleja wightii +
purple  +, pink  +, red  +, …, …
Castilleja wootonii +
purple  +, pink  +, red  +, …, …
Castilleja xanthotricha +
purple  +, pink  +, red  +, …, …
Centaurea +
white  +, blue pink purple or yellow  +
Centaurea benedicta +
white  +, blue pink purple or yellow  +
Centaurea calcitrapa +
white  +, blue pink purple or yellow  +
Centaurea cyanus +
white  +, blue pink purple or yellow  +
Centaurea depressa +
white  +, blue pink purple or yellow  +
Centaurea diffusa +
white  +, blue pink purple or yellow  +
Centaurea diluta +
white  +, blue pink purple or yellow  +
Centaurea iberica +
white  +, blue pink purple or yellow  +
Centaurea jacea +
white  +, blue pink purple or yellow  +
Centaurea macrocephala +
yellow  +
Centaurea melitensis +
white  +, blue pink purple or yellow  +
Centaurea montana +
blue  +
Centaurea nigra +
white  +, blue pink purple or yellow  +
Centaurea nigrescens +
white  +, blue pink purple or yellow  +
Centaurea phrygia +
white  +, blue pink purple or yellow  +
Centaurea scabiosa +
white  +, blue pink purple or yellow  +
Centaurea solstitialis +
yellow  +
Centaurea stoebe +
white  +, blue pink purple or yellow  +
Centaurea stoebe subsp. micranthos +
white  +, blue pink purple or yellow  +
Centaurea sulphurea +
yellow  +
Centaurea virgata +
white  +, blue pink purple or yellow  +
Centaurea virgata subsp. squarrosa +
white  +, blue pink purple or yellow  +
Centaurea ×moncktonii +
white  +, blue pink purple or yellow  +
Centratherum +
usually lavender  +, purplish  +
Centratherum punctatum +
usually lavender  +, purplish  +
Centromadia +
yellow  +
Centromadia fitchii +
yellow  +
Centromadia parryi +
yellow  +
Centromadia parryi subsp. australis +
yellow  +
Centromadia parryi subsp. congdonii +
yellow  +
Centromadia parryi subsp. parryi +
yellow  +
Centromadia parryi subsp. rudis +
yellow  +
Centromadia pungens +
yellow  +
Centromadia pungens subsp. laevis +
yellow  +
Centromadia pungens subsp. pungens +
yellow  +
Ceratotheca +
purple;white  +
Ceratotheca triloba +
purple;white  +
Chaenactis +
yellow  +, cream  +, pinkish  +, …
Chaenactis alpigena +
white  +, pinkish or cream  +
Chaenactis artemisiifolia +
white  +, pinkish  +
Chaenactis carphoclinia +
white  +, pinkish  +
Chaenactis carphoclinia var. carphoclinia +
white  +, pinkish  +
Chaenactis carphoclinia var. peirsonii +
white  +, pinkish  +
Chaenactis cusickii +
white  +, pinkish  +
Chaenactis douglasii +
white  +, pinkish or cream  +
Chaenactis douglasii var. alpina +
white  +, pinkish or cream  +
Chaenactis douglasii var. douglasii +
white  +, pinkish or cream  +
Chaenactis evermannii +
white  +, pinkish or cream  +
Chaenactis fremontii +
white  +, pinkish  +
Chaenactis glabriuscula +
dark yellow  +
Chaenactis glabriuscula var. glabriuscula +
dark yellow  +
Chaenactis glabriuscula var. heterocarpha +
dark yellow  +
Chaenactis glabriuscula var. lanosa +
dark yellow  +
Chaenactis glabriuscula var. megacephala +
dark yellow  +
Chaenactis glabriuscula var. orcuttiana +
dark yellow  +
Chaenactis macrantha +
white  +, pinkish or cream  +
Chaenactis nevadensis +
white  +, pinkish or cream  +
Chaenactis nevii +
bright-yellow  +
Chaenactis parishii +
white  +, pinkish or cream  +
Chaenactis santolinoides +
white  +, pinkish or cream  +
Chaenactis sect. Acarphaea +
white  +, pinkish  +
Chaenactis sect. Chaenactis +
dark yellow  +, cream  +, white  +, …
Chaenactis sect. Macrocarphus +
white  +, pinkish or cream  +
Chaenactis stevioides +
white  +, pinkish cream or pale-yellow  +
Chaenactis suffrutescens +
white  +, pinkish or cream  +
Chaenactis thompsonii +
white  +, pinkish or cream  +
Chaenactis xantiana +
dirty-whitish  +, pinkish  +
Chaenorhinum +
white  +, grayish or lilac  +
Chaenorhinum minus +
white  +, grayish or lilac  +
Chaenorhinum minus subsp. minus +
white  +, grayish or lilac  +
Chaetadelpha +
pale lavender  +, white  +
Chaetadelpha wheeleri +
pale lavender  +, white  +
Chaetopappa +
yellow  +, purple  +, blue  +, …, …
Chaetopappa asteroides +
lavender-pink  +, deep lavender-rose  +
Chaetopappa asteroides var. asteroides +
lavender-pink  +, deep lavender-rose  +
Chaetopappa asteroides var. grandis +
lavender-pink  +, deep lavender-rose  +
Chaetopappa bellidifolia +
violet  +, blue or lavender  +
Chaetopappa bellioides +
white  +
Chaetopappa effusa +
white  +
Chaetopappa ericoides +
white  +
Chaetopappa hersheyi +
white  +
Chaetopappa imberbis +
white  +
Chaetopappa parryi +
white  +
Chamaechaenactis +
white  +, pinkish  +
Chamaechaenactis scaposa +
white  +, pinkish  +
Chamaemelum +
yellow  +, white  +
Chamaemelum fuscatum +
yellow  +, white  +
Chamaemelum nobile +
yellow  +, white  +
Chaptalia +
whitish  +, pinkish  +
Chaptalia albicans +
purple-tinged  +, creamy white  +
Chaptalia texana +
cream colored  +
Chaptalia tomentosa +
creamy white  +
Chelone +
dark purple throughout or white and pink  +, purple  +
Chelone cuthbertii +
pink-red  +, purple  +
Chelone glabra +
purple  +, red  +, pink  +, …, …
Chelone lyonii +
pink-red  +, purple  +
Chelone obliqua +
paler  +, white  +
Chelone obliqua var. erwiniae +
paler  +, white  +
Chelone obliqua var. obliqua +
paler  +, white  +
Chelone obliqua var. speciosa +
paler  +, white  +
Chionophila +
pale lavender  +, creamy white  +, greenish white  +
Chionophila jamesii +
creamy white  +, greenish white  +
Chionophila tweedyi +
pale lavender  +
Chloracantha +
yellow  +, white  +
Chloracantha spinosa +
yellow  +, white  +
Chloracantha spinosa var. spinosa +
yellow  +, white  +
Chloropyron +
tinted  +, lavender  +, pink  +, …, …
Chloropyron maritimum +
white  +, pale-yellow or pale-pink  +
Chloropyron maritimum subsp. canescens +
white  +, pale-yellow or pale-pink  +
Chloropyron maritimum subsp. maritimum +
white  +, pale-yellow or pale-pink  +
Chloropyron maritimum subsp. palustre +
white  +, pale-yellow or pale-pink  +
Chloropyron molle +
pale-yellow  +, white  +, greenish white  +
Chloropyron molle subsp. hispidum +
pale-yellow  +, white  +, greenish white  +
Chloropyron molle subsp. molle +
pale-yellow  +, white  +, greenish white  +
Chloropyron palmatum +
white to pale lavender  +
Chloropyron tecopense +
pale lavender  +, pale lilac  +
Chondrilla +
yellow  +
Chondrilla juncea +
yellow  +
Chorisiva +
yellowish  +
Chorisiva nevadensis +
yellowish  +
Chromolaena +
purple  +, blue lavender or reddish  +
Chromolaena bigelovii +
white  +, pale blue  +
Chromolaena frustrata +
blue  +, lavender  +
Chromolaena ivifolia +
light blue  +, purplish or reddish  +
Chromolaena odorata +
purplish  +, light blue  +
Chrysactinia +
yellow  +, orange  +
Chrysactinia mexicana +
yellow  +, orange  +
Chrysanthemoides +
yellow  +
Chrysanthemoides monilifera +
yellow  +
Chrysogonum +
yellow  +
Chrysogonum virginianum +
yellow  +
Chrysogonum virginianum var. australe +
yellow  +
Chrysogonum virginianum var. brevistolon +
yellow  +
Chrysogonum virginianum var. virginianum +
yellow  +
Chrysoma +
yellow  +
Chrysoma pauciflosculosa +
yellow  +
Chrysopsis +
yellow  +
Chrysopsis delaneyi +
yellow  +
Chrysopsis floridana +
yellow  +
Chrysopsis godfreyi +
yellow  +
Chrysopsis gossypina +
yellow  +
Chrysopsis gossypina subsp. cruiseana +
yellow  +
Chrysopsis gossypina subsp. gossypina +
yellow  +
Chrysopsis gossypina subsp. hyssopifolia +
yellow  +
Chrysopsis highlandsensis +
yellow  +
Chrysopsis lanuginosa +
yellow  +
Chrysopsis latisquamea +
yellow  +
Chrysopsis linearifolia +
yellow  +
Chrysopsis linearifolia subsp. dressii +
yellow  +
Chrysopsis linearifolia subsp. linearifolia +
yellow  +
Chrysopsis mariana +
yellow  +
Chrysopsis scabrella +
yellow  +
Chrysopsis subulata +
yellow  +
Chrysothamnus +
yellow  +
Chrysothamnus depressus +
yellow  +
Chrysothamnus eremobius +
yellow  +
Chrysothamnus greenei +
yellow  +
Chrysothamnus humilis +
yellow  +
Chrysothamnus molestus +
yellow  +
Chrysothamnus scopulorum +
yellow  +
Chrysothamnus stylosus +
yellow  +
Chrysothamnus vaseyi +
yellow  +
Chrysothamnus viscidiflorus +
yellow  +
Chrysothamnus viscidiflorus subsp. axillaris +
yellow  +
Chrysothamnus viscidiflorus subsp. lanceolatus +
yellow  +
Chrysothamnus viscidiflorus subsp. planifolius +
yellow  +
Chrysothamnus viscidiflorus subsp. puberulus +
yellow  +
Chrysothamnus viscidiflorus subsp. viscidiflorus +
yellow  +
Cichorium +
white  +, pink  +, blue  +
Cichorium intybus +
white  +, pink  +, blue  +
Cirsium +
white  +, pink red yellow or purple  +
Cirsium altissimum +
pink  +, purple  +
Cirsium andersonii +
red  +, reddish purple  +
Cirsium andrewsii +
dark reddish  +
Cirsium arizonicum +
pink  +, red lavender or purple  +
Cirsium arizonicum var. arizonicum +
pink  +, bright red  +
Cirsium arizonicum var. bipinnatum +
pink  +, red lavender or purple  +
Cirsium arizonicum var. chellyense +
reddish purple  +
Cirsium arizonicum var. rothrockii +
bright red  +
Cirsium arizonicum var. tenuisectum +
reddish purple  +
Cirsium arvense +
white  +, pink red yellow or purple  +
Cirsium barnebyi +
lavender  +, pink-purple  +
Cirsium brevifolium +
lavender-tinged  +, creamy white  +
Cirsium brevistylum +
white  +, pink or purple  +
Cirsium canescens +
lavender-tinged  +, white  +, dull  +
Cirsium carolinianum +
white  +, pink red yellow or purple  +
Cirsium ciliolatum +
white  +, lavender  +
Cirsium clavatum +
creamy white  +, pale pinkish  +
Cirsium clavatum var. americanum +
creamy white  +, pale pinkish  +
Cirsium clavatum var. clavatum +
creamy white  +, pale pinkish  +
Cirsium clavatum var. osterhoutii +
creamy white  +, pale pinkish  +
Cirsium crassicaule +
pale rose-purple  +
Cirsium cymosum +
creamy white  +, purplish  +
Cirsium cymosum var. canovirens +
creamy white  +, purplish  +
Cirsium cymosum var. cymosum +
creamy white  +, purplish  +
Cirsium discolor +
pink  +, purple  +
Cirsium douglasii +
rose-purple  +
Cirsium douglasii var. breweri +
rose-purple  +
Cirsium douglasii var. douglasii +
rose-purple  +
Cirsium drummondii +
white  +, pink red yellow or purple  +
Cirsium eatonii +
yellow  +, lavender pink or purple  +
Cirsium eatonii var. clokeyi +
yellow  +, lavender pink or purple  +
Cirsium eatonii var. eatonii +
yellow  +, lavender pink or purple  +
Cirsium eatonii var. eriocephalum +
pink  +, pale-purple  +
Cirsium eatonii var. hesperium +
pale  +, deep purple  +
Cirsium eatonii var. murdockii +
white  +, pink or lavender  +
Cirsium eatonii var. peckii +
pink  +, purple  +
Cirsium eatonii var. viperinum +
lavender  +, purple  +
Cirsium edule +
white  +, pink red yellow or purple  +
Cirsium edule var. edule +
white  +, pink red yellow or purple  +
Cirsium edule var. macounii +
white  +, pink red yellow or purple  +
Cirsium edule var. wenatchense +
white  +, pink red yellow or purple  +
Cirsium engelmannii +
pink  +, purple  +
Cirsium flodmanii +
white  +, pink red yellow or purple  +
Cirsium foliosum +
white  +, pale-pink  +
Cirsium fontinale +
white  +, pinkish or lavender  +
Cirsium fontinale var. campylon +
white  +, pinkish or lavender  +
Cirsium fontinale var. fontinale +
white  +, pinkish or lavender  +
Cirsium fontinale var. obispoense +
white  +, pinkish or lavender  +
Cirsium grahamii +
white  +, pink red yellow or purple  +
Cirsium helenioides +
white  +, pink red yellow or purple  +
Cirsium hookerianum +
pink  +, ochroleucous  +, white  +
Cirsium horridulum +
white  +, yellow pink purple or red  +
Cirsium horridulum var. horridulum +
crimson  +, red-purple  +
Cirsium horridulum var. megacanthum +
pink  +, purple  +
Cirsium horridulum var. vittatum +
white  +, yellow pink purple or red  +
Cirsium hydrophilum +
pale rose-purple  +
Cirsium hydrophilum var. hydrophilum +
pale rose-purple  +
Cirsium hydrophilum var. vaseyi +
pale rose-purple  +
Cirsium inamoenum +
faintly lavender-tinged  +, bright pink-purple  +
Cirsium inamoenum var. davisii +
faintly lavender-tinged  +, bright pink-purple  +
Cirsium inamoenum var. inamoenum +
pale lavender  +, white  +
Cirsium joannae +
lavender-pink  +
Cirsium kamtschaticum +
pink  +, purple  +
Cirsium lecontei +
white  +, pink red yellow or purple  +
Cirsium longistylum +
ochroleucous  +, white  +
Cirsium mohavense +
white  +, pink or lavender  +
Cirsium muticum +
purple  +, lavender  +
Cirsium neomexicanum +
white  +, pale lavender or pink  +
Cirsium nuttallii +
white  +, pink lavender or purple  +
Cirsium occidentale +
white  +, lavender pink rose-purple or red  +
Cirsium occidentale var. californicum +
white  +, light purple or rose  +
Cirsium occidentale var. candidissimum +
red  +
Cirsium occidentale var. compactum +
dark rose-purple  +
Cirsium occidentale var. coulteri +
white  +, lavender pink rose-purple or red  +
Cirsium occidentale var. lucianum +
dark reddish  +
Cirsium occidentale var. occidentale +
bright purple  +
Cirsium occidentale var. venustum +
red  +
Cirsium ochrocentrum +
pale lavender  +, purple pink or red  +
Cirsium ochrocentrum var. martinii +
reddish purple  +, pink  +, red  +
Cirsium ochrocentrum var. ochrocentrum +
pale lavender  +, purple  +
Cirsium ownbeyi +
white  +, pink or pink-purple  +
Cirsium palustre +
lavender  +, purple  +
Cirsium parryi +
ochroleucous  +, more or less yellow  +
Cirsium perplexans +
lavender  +, reddish purple  +
Cirsium pitcheri +
pinkish-tinged  +, white  +, dull  +
Cirsium praeteriens +
white  +
Cirsium pulcherrimum +
pink  +, purple  +
Cirsium pulcherrimum var. aridum +
pink  +, purple  +
Cirsium pulcherrimum var. pulcherrimum +
pink  +, purple  +
Cirsium pumilum +
pink  +, purple  +
Cirsium pumilum var. hillii +
pink  +, purple  +
Cirsium pumilum var. pumilum +
pink  +, purple  +
Cirsium quercetorum +
pale lavender  +, purple  +
Cirsium remotifolium +
creamy white  +, purple  +
Cirsium remotifolium var. odontolepis +
purple  +, cream-colored  +
Cirsium remotifolium var. remotifolium +
cream-colored  +
Cirsium remotifolium var. rivulare +
creamy white  +, purple  +
Cirsium repandum +
light purple  +
Cirsium rhothophilum +
white  +, pale-yellow  +
Cirsium rydbergii +
white  +, pink or purple  +
Cirsium scariosum +
pale lavender  +, purple  +
Cirsium scariosum var. americanum +
pink-tinged  +, white  +
Cirsium scariosum var. citrinum +
purple-tinged  +, white  +
Cirsium scariosum var. coloradense +
white  +
Cirsium scariosum var. congdonii +
pink  +, reddish purple  +
Cirsium scariosum var. robustum +
white  +
Cirsium scariosum var. scariosum +
white  +, purple  +
Cirsium scariosum var. thorneae +
white  +, dull purple  +
Cirsium scariosum var. toiyabense +
rose-purple  +
Cirsium texanum +
white  +, pink-purple  +
Cirsium tracyi +
white  +, lavender or pink-purple  +
Cirsium turneri +
red  +, reddish purple  +
Cirsium undulatum +
lavender  +, pink purple or white  +
Cirsium vinaceum +
rose-purple  +
Cirsium virginianum +
white  +, pink red yellow or purple  +
Cirsium vulgare +
white  +, pink red yellow or purple  +
Cirsium wheeleri +
pink  +, pale-purple  +
Cirsium wrightii +
white  +, pink-purple  +
Cladanthus +
yellow  +, orange  +, white  +
Cladanthus mixtus +
yellow  +, orange  +, white  +
Clappia +
yellow  +
Clappia suaedifolia +
yellow  +
Collinsia +
blue  +, purple  +, pink  +, …
Collinsia antonina +
blue  +, purple  +, pink  +, …
Collinsia bartsiifolia +
whitish  +, pinkish  +
Collinsia bartsiifolia var. bartsiifolia +
usually white  +, pale lavender  +
Collinsia bartsiifolia var. davidsonii +
usually white  +, pale lavender  +
Collinsia bartsiifolia var. hirsuta +
usually white  +, pale lavender  +
Collinsia bartsiifolia var. stricta +
pink  +, pinkish lavender  +
Collinsia callosa +
pink  +, lavender-blue  +
Collinsia childii +
pale lavender  +, whitish  +
Collinsia concolor +
distally violet  +, magenta  +
Collinsia corymbosa +
whitish  +
Collinsia grandiflora +
bluish  +
Collinsia greenei +
pale pinkish  +, dark purple  +
Collinsia heterophylla +
white  +
Collinsia heterophylla var. austromontana +
white  +
Collinsia heterophylla var. heterophylla +
white  +
Collinsia latifolia +
blue-violet  +, purple  +
Collinsia linearis +
white  +, blue-purple  +
Collinsia multicolor +
mostly white  +, pale lilac  +
Collinsia parryi +
white  +, blue-violet  +, lavender  +
Collinsia parviflora +
blue  +
Collinsia rattanii +
white  +, purplish lavender  +
Collinsia sparsiflora +
white  +, lavender  +, purple  +
Collinsia sparsiflora var. collina +
white  +, lavender  +, purple  +
Collinsia sparsiflora var. sparsiflora +
white  +, lavender  +, purple  +
Collinsia tinctoria +
white  +, yellowish or pale lavender  +
Collinsia torreyi +
blue-violet  +, purple  +
Collinsia verna +
blue  +
Collinsia violacea +
violet  +
Collinsia wrightii +
blue-violet  +, purple  +
Columbiadoria +
yellow  +
Columbiadoria hallii +
yellow  +
Conoclinium +
white  +, usually blue  +, purple or violet  +
Conoclinium betonicifolium +
blue  +, purple  +
Conoclinium betonicifolium var. betonicifolium +
blue  +, purple  +
Conoclinium betonicifolium var. integrifolium +
blue  +, purple  +
Conoclinium coelestinum +
blue  +, blue-violet or rosy-violet  +
Conoclinium dissectum +
blue  +, lavender or purple  +
Conopholis +
yellow  +
Conopholis alpina +
yellow  +
Conopholis americana +
yellow  +
Constancea +
yellow  +
Constancea nevinii +
yellow  +
Conyza +
yellowish  +, ochroleucous  +, white  +, …
Conyza bonariensis +
yellowish  +, ochroleucous  +, white  +, …
Conyza canadensis +
yellowish  +, ochroleucous  +, white  +, …
Conyza floribunda +
yellowish  +, ochroleucous  +, white  +, …
Conyza ramosissima +
yellowish  +, ochroleucous  +, white  +, …
Cordylanthus +
red  +, pink  +, purple  +, …, …
Cordylanthus capitatus +
purple-red  +
Cordylanthus eremicus +
spotted with purple  +, pink  +, lavender-pink  +
Cordylanthus eremicus subsp. eremicus +
blotched purple  +, lavender  +, pink  +
Cordylanthus eremicus subsp. kernensis +
pink  +, lavender  +
Cordylanthus kingii +
lavender-pink  +, purple-red or yellow  +
Cordylanthus kingii subsp. densiflorus +
lavender-pink  +, purple-red or yellow  +
Cordylanthus kingii subsp. helleri +
lavender-pink  +, purple-red or yellow  +
Cordylanthus kingii subsp. kingii +
lavender-pink  +, purple-red or yellow  +
Cordylanthus laxiflorus +
bright-yellow  +
Cordylanthus nevinii +
white  +
Cordylanthus nidularius +
white  +
Cordylanthus parviflorus +
pale-pink  +, purple-pink  +
Cordylanthus pilosus +
streaked and spotted with maroon  +, pale-yellow  +, yellow-green  +
Cordylanthus pilosus subsp. pilosus +
streaked and spotted with maroon  +, pale-yellow  +, yellow-green  +
Cordylanthus pilosus subsp. trifidus +
streaked and spotted with maroon  +, pale-yellow  +, yellow-green  +
Cordylanthus pringlei +
pale-yellow  +, yellow  +
Cordylanthus ramosus +
spotted and streaked with purple  +, pale-yellow  +
Cordylanthus rigidus +
pale-yellow  +
Cordylanthus rigidus subsp. brevibracteatus +
pale-yellow  +
Cordylanthus rigidus subsp. littoralis +
pale-yellow  +
Cordylanthus rigidus subsp. rigidus +
pale-yellow  +
Cordylanthus rigidus subsp. setigerus +
pale-yellow  +
Cordylanthus tenuis +
pale-yellow  +
Cordylanthus tenuis subsp. barbatus +
pale-yellow  +
Cordylanthus tenuis subsp. brunneus +
pale-yellow  +
Cordylanthus tenuis subsp. pallescens +
pale-yellow  +
Cordylanthus tenuis subsp. tenuis +
pale-yellow  +
Cordylanthus tenuis subsp. viscidus +
pale-yellow  +
Cordylanthus wrightii +
red  +, pink  +, purple  +, …, …
Cordylanthus wrightii subsp. kaibabensis +
pale-yellow  +
Cordylanthus wrightii subsp. tenuifolius +
pale-yellow  +
Cordylanthus wrightii subsp. wrightii +
lavender-pink  +, bright-yellow  +
Coreocarpus +
yellow  +, pale-yellow or white  +
Coreocarpus arizonicus +
yellow  +, pale-yellow or white  +
Coreopsis +
redbrown  +, purple  +
Coreopsis auriculata +
yellow  +
Coreopsis basalis +
yellow  +
Coreopsis bigelovii +
yellow  +
Coreopsis californica +
yellow  +
Coreopsis calliopsidea +
yellow  +
Coreopsis delphiniifolia +
yellow  +
Coreopsis douglasii +
yellow  +
Coreopsis gigantea +
yellow  +
Coreopsis gladiata +
purplish  +
Coreopsis grandiflora +
yellow  +
Coreopsis hamiltonii +
yellow  +
Coreopsis integrifolia +
purplish  +
Coreopsis intermedia +
yellow  +
Coreopsis lanceolata +
yellow  +
Coreopsis latifolia +
pale-yellow  +, ochroleucous  +
Coreopsis leavenworthii +
redbrown  +, purple  +
Coreopsis major +
yellow  +
Coreopsis maritima +
yellow  +
Coreopsis nudata +
ochroleucous  +, yellow  +
Coreopsis nuecensis +
yellow  +
Coreopsis palmata +
yellow  +
Coreopsis pubescens +
yellow  +
Coreopsis pulchra +
purple  +, yellow  +
Coreopsis rosea +
ochroleucous  +, yellow  +
Coreopsis sect. Calliopsis +
redbrown  +, purple  +
Coreopsis sect. Coreopsis +
yellow  +
Coreopsis sect. Eublepharis +
ochroleucous  +, yellow or redbrown  +
Coreopsis sect. Gyrophyllum +
more or less redbrown  +, purple  +
Coreopsis sect. Leptosyne +
yellow  +
Coreopsis sect. Pugiopappus +
yellow  +
Coreopsis sect. Silphidium +
pale-yellow  +, ochroleucous  +
Coreopsis sect. Tuckermannia +
yellow  +
Coreopsis stillmanii +
yellow  +
Coreopsis tinctoria +
redbrown  +, purple  +
Coreopsis tripteris +
redbrown  +, purplish  +
Coreopsis verticillata +
yellow  +
Corethrogyne +
yellow  +, purplish through violet and pink  +, white  +
Corethrogyne filaginifolia +
yellow  +, purplish through violet and pink  +, white  +
Cosmos +
yellow  +, white  +, pink or purple or yellow  +
Cosmos bipinnatus +
yellow  +, white  +, pink or purple or yellow  +
Cosmos caudatus +
yellow  +, white  +, pink or purple or yellow  +
Cosmos parviflorus +
yellow  +, white  +, pink or purple or yellow  +
Cosmos sulphureus +
yellow  +, white  +, pink or purple or yellow  +
Cota +
yellow  +
Cota tinctoria +
yellow  +
Cotula +
yellow  +, ochroleucous  +
Cotula australis +
yellow  +, ochroleucous  +
Cotula coronopifolia +
yellow  +, ochroleucous  +
Crepis +
reddish  +, pink  +, white  +, …, …
Crepis acuminata +
yellow  +
Crepis atribarba +
yellow  +
Crepis bakeri +
yellow  +
Crepis bakeri subsp. bakeri +
yellow  +
Crepis bakeri subsp. cusickii +
yellow  +
Crepis bakeri subsp. idahoensis +
yellow  +
Crepis barbigera +
yellow  +
Crepis biennis +
yellow  +
Crepis bursifolia +
greenish  +, light yellow  +
Crepis capillaris +
yellow  +
Crepis elegans +
yellow  +
Crepis foetida +
yellow  +
Crepis intermedia +
yellow  +
Crepis modocensis +
yellow  +
Crepis modocensis subsp. glareosa +
yellow  +
Crepis modocensis subsp. modocensis +
yellow  +
Crepis modocensis subsp. rostrata +
yellow  +
Crepis modocensis subsp. subacaulis +
yellow  +
Crepis monticola +
yellow  +
Crepis nana +
purple-tinged  +, yellow  +
Crepis nicaeënsis +
yellow  +
Crepis occidentalis +
yellow  +
Crepis occidentalis subsp. conjuncta +
yellow  +
Crepis occidentalis subsp. costata +
yellow  +
Crepis occidentalis subsp. occidentalis +
yellow  +
Crepis occidentalis subsp. pumila +
yellow  +
Crepis pannonica +
yellow  +
Crepis pleurocarpa +
yellow  +
Crepis pulchra +
light yellow  +
Crepis rubra +
white  +, pink  +
Crepis runcinata +
golden yellow  +
Crepis runcinata subsp. andersonii +
golden yellow  +
Crepis runcinata subsp. barberi +
golden yellow  +
Crepis runcinata subsp. glauca +
golden yellow  +
Crepis runcinata subsp. hallii +
golden yellow  +
Crepis runcinata subsp. hispidulosa +
golden yellow  +
Crepis runcinata subsp. imbricata +
golden yellow  +
Crepis runcinata subsp. runcinata +
golden yellow  +
Crepis setosa +
reddish  +, yellow  +
Crepis tectorum +
yellow  +
Crepis vesicaria +
yellow  +
Crepis zacintha +
purplish red  +, yellow  +
Crocidium +
yellow  +
Crocidium multicaule +
yellow  +
Croptilon +
yellow  +, bright-yellow  +, yellow-orange  +
Croptilon divaricatum +
yellow  +, bright-yellow  +, yellow-orange  +
Croptilon hookerianum +
yellow  +, bright-yellow  +, yellow-orange  +
Croptilon hookerianum var. graniticum +
yellow  +, bright-yellow  +, yellow-orange  +
Croptilon hookerianum var. hookerianum +
yellow  +, bright-yellow  +, yellow-orange  +
Croptilon hookerianum var. validum +
yellow  +, bright-yellow  +, yellow-orange  +
Croptilon rigidifolium +
yellow  +, bright-yellow  +, yellow-orange  +
Crupina +
white  +, cyanic  +, yellow  +, …
Crupina vulgaris +
white  +, cyanic  +, yellow  +, …
Cucurbita digitata +
bright-yellow  +
Cucurbita ficifolia +
yellow  +, yellow-orange  +
Cucurbita foetidissima +
golden yellow  +
Cucurbita maxima +
yellow  +, orange-yellow  +
Cucurbita melopepo +
yellow  +, golden yellow or orange  +
Cucurbita melopepo subsp. melopepo +
yellow  +, golden yellow or orange  +
Cucurbita melopepo subsp. texana +
yellow  +, golden yellow or orange  +
Cucurbita melopepo var. melopepo +
yellow  +, golden yellow or orange  +
Cucurbita melopepo var. ozarkana +
yellow  +, golden yellow or orange  +
Cucurbita melopepo var. texana +
yellow  +, golden yellow or orange  +
Cucurbita moschata +
yellow  +
Cucurbita okeechobeensis subsp. okeechobeensis +
yellow  +, cream  +, pale creamy  +
Cucurbita palmata +
golden yellow  +, yellow  +
Cucurbita pepo subsp. pepo +
yellow  +, golden yellow or orange  +
Cuniculotinus +
yellow  +
Cuniculotinus gramineus +
yellow  +
Cyanthillium +
lavender  +, pink or purplish  +
Cyanthillium cinereum +
lavender  +, pink or purplish  +
Cyclachaena +
whitish  +
Cyclachaena xanthiifolia +
whitish  +
Cymbalaria +
lilac  +, violet  +
Cymbalaria muralis +
lilac  +, violet  +
Cymbalaria muralis subsp. muralis +
lilac  +, violet  +
Cynara +
purple  +, blue  +, white  +
Cynara cardunculus +
purple  +, blue  +
Cynara cardunculus subsp. cardunculus +
purple  +, blue  +
Cynara cardunculus subsp. flavescens +
purple  +, blue  +
D
Dasistoma +
yellow  +
Dasistoma macrophyllum +
yellow  +
Deinandra +
yellow  +, pale-yellow  +
Deinandra arida +
yellow  +, pale-yellow  +
Deinandra bacigalupii +
yellow  +, pale-yellow  +
Deinandra clementina +
yellow  +, pale-yellow  +
Deinandra conjugens +
yellow  +, pale-yellow  +
Deinandra corymbosa +
yellow  +, pale-yellow  +
Deinandra fasciculata +
yellow  +, pale-yellow  +
Deinandra floribunda +
yellow  +, pale-yellow  +
Deinandra halliana +
yellow  +, pale-yellow  +
Deinandra increscens +
yellow  +, pale-yellow  +
Deinandra increscens subsp. increscens +
yellow  +, pale-yellow  +
Deinandra increscens subsp. villosa +
yellow  +, pale-yellow  +
Deinandra kelloggii +
yellow  +, pale-yellow  +
Deinandra lobbii +
yellow  +, pale-yellow  +
Deinandra minthornii +
yellow  +, pale-yellow  +
Deinandra mohavensis +
yellow  +, pale-yellow  +
Deinandra pallida +
yellow  +, pale-yellow  +
Deinandra paniculata +
yellow  +, pale-yellow  +
Deinandra pentactis +
yellow  +, pale-yellow  +
Delairea +
pale-yellow  +
Delairea odorata +
pale-yellow  +
Diaperia +
red-tipped  +, purplish  +, yellow  +, …
Diaperia candida +
red-tipped  +, purplish  +, yellow  +, …
Diaperia prolifera +
red-tipped  +, purplish  +, yellow  +, …
Diaperia prolifera var. barnebyi +
red-tipped  +, purplish  +, yellow  +, …
Diaperia prolifera var. prolifera +
red-tipped  +, purplish  +, yellow  +, …
Diaperia verna +
red-tipped  +, purplish  +, yellow  +, …
Diaperia verna var. drummondii +
red-tipped  +, purplish  +, yellow  +, …
Diaperia verna var. verna +
red-tipped  +, purplish  +, yellow  +, …
Dichaetophora +
yellow  +, white  +, lavender-tinged  +
Dichaetophora campestris +
yellow  +, white  +, lavender-tinged  +
Dicoria +
whitish  +
Dicoria canescens +
whitish  +
Dicranocarpus +
yellow  +
Dicranocarpus parviflorus +
yellow  +
Dicranostegia +
white  +, yellow  +
Dicranostegia orcuttiana +
white  +, yellow  +
Dieteria +
yellow  +, purple  +, violet  +, …, …
Dieteria asteroides +
yellow  +, purple  +, violet  +, …, …
Dieteria asteroides var. asteroides +
yellow  +, purple  +, violet  +, …, …
Dieteria asteroides var. glandulosa +
yellow  +, purple  +, violet  +, …, …
Dieteria asteroides var. lagunensis +
yellow  +, purple  +, violet  +, …, …
Dieteria bigelovii +
yellow  +, purple  +, violet  +, …, …
Dieteria bigelovii var. bigelovii +
yellow  +, purple  +, violet  +, …, …
Dieteria bigelovii var. commixta +
yellow  +, purple  +, violet  +, …, …
Dieteria bigelovii var. mucronata +
yellow  +, purple  +, violet  +, …, …
Dieteria canescens +
yellow  +, purple  +, violet  +, …, …
Dieteria canescens var. ambigua +
yellow  +, purple  +, violet  +, …, …
Dieteria canescens var. aristata +
yellow  +, purple  +, violet  +, …, …
Dieteria canescens var. canescens +
yellow  +, purple  +, violet  +, …, …
Dieteria canescens var. glabra +
yellow  +, purple  +, violet  +, …, …
Dieteria canescens var. incana +
yellow  +, purple  +, violet  +, …, …
Dieteria canescens var. leucanthemifolia +
yellow  +, purple  +, violet  +, …, …
Dieteria canescens var. nebraskana +
yellow  +, purple  +, violet  +, …, …
Dieteria canescens var. sessiliflora +
yellow  +, purple  +, violet  +, …, …
Dieteria canescens var. shastensis +
yellow  +, purple  +, violet  +, …, …
Dieteria canescens var. ziegleri +
yellow  +, purple  +, violet  +, …, …
Digitalis +
pink  +, purple or white  +
Digitalis grandiflora +
pink  +, purple or white  +
Digitalis lanata +
pink  +, purple or white  +
Digitalis lutea +
pink  +, purple or white  +
Digitalis purpurea +
pink  +, purple or white  +
Digitalis purpurea subsp. purpurea +
pink  +, purple or white  +
Dimeresia +
purple  +, pink  +, white  +
Dimeresia howellii +
purple  +, pink  +, white  +
Dimorphotheca +
purplish  +, red  +, yellow  +, …, …
Dimorphotheca pluvialis +
whitish  +, yellowish usually bluish  +
Dimorphotheca sinuata +
purplish  +, yellow  +, orange  +
Diplacus +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus angustatus +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus aridus +
pale-yellow;cream or nearly white pale orange golden yellow or orange-yellow not spotted or striped  +
Diplacus aurantiacus +
yellow-orange;orange not spotted or striped  +
Diplacus bicolor +
darkening;magenta  +
Diplacus bigelovii +
magenta  +
Diplacus bigelovii var. bigelovii +
magenta  +
Diplacus bigelovii var. cuspidatus +
magenta  +
Diplacus bolanderi +
magenta  +
Diplacus brandegeei +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus brevipes +
yellow  +
Diplacus calycinus +
cream;yellow not spotted or striped  +
Diplacus cascadensis +
magenta;purplish  +
Diplacus clevelandii +
yellow;bright golden  +
Diplacus clivicola +
rose-pink;purplish  +
Diplacus compactus +
lavender;magenta or red  +
Diplacus congdonii +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus constrictus +
pinkish;red-purple  +
Diplacus cusickii +
rose-purple;magenta  +
Diplacus cusickioides +
rose-purple;magenta  +
Diplacus deschutesensis +
light pink;magenta or rose-purple  +
Diplacus douglasii +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus fremontii +
magenta;dark reddish  +
Diplacus grandiflorus +
nearly white;pale orange or light yellow-orange not spotted or striped  +
Diplacus graniticola +
pale lavender;pinkish or pale  +
Diplacus jepsonii +
lavender-purple;rose-purple  +
Diplacus johnstonii +
reddish;darker;magenta  +
Diplacus kelloggii +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus layneae +
pale;dark magenta or red-purple  +
Diplacus leptaleus +
white;magenta  +
Diplacus linearis +
yellow-orange;dull orange not spotted or striped  +
Diplacus longiflorus +
light orange;pale yellow-orange  +
Diplacus mephiticus +
yellow;reddish;purplish;reddish;purplish;dark magenta  +
Diplacus mohavensis +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus nanus +
magenta;purplish  +
Diplacus ovatus +
yellow;yellow patch;magenta;red-purple  +
Diplacus parryi +
darker spots;deepening;magenta  +
Diplacus parviflorus +
red;scarlet  +
Diplacus pictus +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus pulchellus +
bicolored  +
Diplacus puniceus +
orange;maroon  +
Diplacus pygmaeus +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus rattanii +
pink;magenta  +
Diplacus rupicola +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus rutilus +
red;orange-red  +
Diplacus thompsonii +
dark magenta to red-purple  +
Diplacus torreyi +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus traskiae +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus tricolor +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue  +
Diplacus vandenbergensis +
yellow  +
Diplacus viscidus +
lavender;magenta  +
Dittrichia +
reddish  +, yellow  +
Dittrichia graveolens +
reddish  +, yellow  +
Doellingeria +
pale-yellow  +, white  +
Doellingeria infirma +
pale-yellow  +, white  +
Doellingeria sericocarpoides +
pale-yellow  +, white  +
Doellingeria umbellata +
pale-yellow  +, white  +
Doellingeria umbellata var. pubens +
pale-yellow  +, white  +
Doellingeria umbellata var. umbellata +
pale-yellow  +, white  +
Dopatrium +
pale blue  +, lavender  +
Dopatrium junceum +
pale blue  +, lavender  +
Doronicum +
yellow  +
Doronicum orientale +
yellow  +
Doronicum pardalianches +
yellow  +
Doronicum plantagineum +
yellow  +
Douglasia alaskana +
white  +
Douglasia arctica +
white  +, pink  +
Douglasia beringensis +
white  +, pink  +
Douglasia gormanii +
rose-pink  +
Douglasia idahoensis +
pink  +, magenta  +
Douglasia laevigata +
violet  +, rose-pink  +
Douglasia montana +
rose-pink  +
Douglasia nivalis +
rose-pink  +
Douglasia ochotensis +
pink  +
Dysodiopsis +
yellow  +, lemon  +, greenish yellow  +
Dysodiopsis tagetoides +
yellow  +, lemon  +, greenish yellow  +
Dyssodia +
yellow  +, orange  +
Dyssodia papposa +
yellow  +, orange  +
E
Eastwoodia +
yellow  +
Eastwoodia elegans +
yellow  +
Eatonella +
yellowish  +, purplish  +
Eatonella nivea +
yellowish  +, purplish  +
Echinacea +
yellow  +, reddish purple  +, greenish  +, …, …
Echinacea angustifolia +
yellow  +, reddish purple  +, greenish  +, …, …
Echinacea atrorubens +
yellow  +, reddish purple  +, greenish  +, …, …
Echinacea laevigata +
yellow  +, reddish purple  +, greenish  +, …, …
Echinacea pallida +
yellow  +, reddish purple  +, greenish  +, …, …
Echinacea paradoxa +
yellow  +, reddish purple  +, greenish  +, …, …
Echinacea paradoxa var. neglecta +
yellow  +, reddish purple  +, greenish  +, …, …
Echinacea paradoxa var. paradoxa +
yellow  +, reddish purple  +, greenish  +, …, …
Echinacea purpurea +
yellow  +, reddish purple  +, greenish  +, …, …
Echinacea sanguinea +
yellow  +, reddish purple  +, greenish  +, …, …
Echinacea simulata +
yellow  +, reddish purple  +, greenish  +, …, …
Echinacea tennesseensis +
yellow  +, reddish purple  +, greenish  +, …, …
Echinops +
white  +, greenish blue-gray blue or purple  +
Echinops exaltatus +
white  +, pale blue  +
Echinops ritro +
white  +, greenish blue-gray blue or purple  +
Echinops ritro subsp. ruthenicus +
blue  +, purple  +
Echinops sphaerocephalus +
white  +, pale blue  +
Eclipta +
whitish  +, white  +
Eclipta prostrata +
whitish  +, white  +
Egletes +
yellow  +, white  +, bluish white  +
Egletes viscosa +
yellow  +, white  +, bluish white  +
Elephantopus +
pink  +, purple  +
Elephantopus carolinianus +
pink  +, purple  +
Elephantopus elatus +
pink  +, purple  +
Elephantopus nudatus +
pink  +, purple  +
Elephantopus tomentosus +
pink  +, purple  +
Emilia +
reddish  +, purplish  +, lavender  +, …
Emilia fosbergii +
reddish  +, purplish  +, pinkish  +
Emilia sonchifolia +
reddish  +, purplish  +, pinkish  +, …
Emorya +
greenish yellow  +, yellow  +
Emorya suaveolens +
greenish yellow  +, yellow  +
Encelia +
brown-purple  +, yellow  +
Encelia actoni +
brown-purple  +, yellow  +
Encelia californica +
brown-purple  +, yellow  +
Encelia farinosa +
brown-purple  +, yellow  +
Encelia frutescens +
brown-purple  +, yellow  +
Encelia nutans +
brown-purple  +, yellow  +
Encelia resinifera +
brown-purple  +, yellow  +
Encelia scaposa +
brown-purple  +, yellow  +
Encelia virginensis +
brown-purple  +, yellow  +
Enceliopsis +
yellow  +
Enceliopsis argophylla +
yellow  +
Enceliopsis covillei +
light yellow  +
Enceliopsis nudicaulis +
yellow  +
Engelmannia +
yellow  +
Engelmannia peristenia +
yellow  +
Epifagus +
pale-yellow  +, purplish red-and-white  +, reddish-brown stripes  +, …
Epifagus virginiana +
pale-yellow  +, purplish red-and-white  +, reddish-brown stripes  +, …
Epixiphium +
blue  +, violet  +
Epixiphium wislizeni +
blue  +, violet  +
Erechtites +
whitish  +, pale-yellow  +
Erechtites glomeratus +
whitish  +, pale-yellow  +
Erechtites hieraciifolius +
whitish  +, pale-yellow  +
Erechtites hieraciifolius var. hieraciifolius +
whitish  +, pale-yellow  +
Erechtites hieraciifolius var. megalocarpus +
whitish  +, pale-yellow  +
Erechtites minimus +
whitish  +, pale-yellow  +
Eremalche +
white  +, rose lavender or mauve drying purple or blue  +
Eremalche exilis +
white  +, rose lavender or mauve drying purple or blue  +
Eremalche parryi +
white  +, rose lavender or mauve drying purple or blue  +
Eremalche parryi subsp. kernensis +
white  +, rose lavender or mauve drying purple or blue  +
Eremalche parryi subsp. parryi +
white  +, rose lavender or mauve drying purple or blue  +
Eremalche rotundifolia +
white  +, rose lavender or mauve drying purple or blue  +
Erica cinerea +
bright reddish  +
Erica lusitanica +
white  +, pinkish white  +
Erica tetralix +
light pink  +
Erica vagans +
white  +, pink  +
Ericameria +
yellow  +
Ericameria albida +
yellow  +
Ericameria arborescens +
yellow  +
Ericameria arizonica +
yellow  +
Ericameria bloomeri +
yellow  +
Ericameria brachylepis +
yellow  +
Ericameria cervina +
yellow  +
Ericameria compacta +
yellow  +
Ericameria cooperi +
yellow  +
Ericameria cooperi var. cooperi +
yellow  +
Ericameria crispa +
yellow  +
Ericameria cuneata +
yellow  +
Ericameria cuneata var. cuneata +
yellow  +
Ericameria cuneata var. macrocephala +
yellow  +
Ericameria cuneata var. spathulata +
yellow  +
Ericameria discoidea +
yellow  +
Ericameria ericoides +
yellow  +
Ericameria fasciculata +
yellow  +
Ericameria gilmanii +
yellow  +
Ericameria greenei +
yellow  +
Ericameria laricifolia +
yellow  +
Ericameria lignumviridis +
yellow  +
Ericameria linearifolia +
yellow  +
Ericameria linearis +
yellow  +
Ericameria nana +
yellow  +
Ericameria nauseosa +
yellow  +
Ericameria nauseosa var. arenaria +
yellow  +
Ericameria nauseosa var. bernardina +
yellow  +
Ericameria nauseosa var. bigelovii +
yellow  +
Ericameria nauseosa var. ceruminosa +
yellow  +
Ericameria nauseosa var. graveolens +
yellow  +
Ericameria nauseosa var. hololeuca +
yellow  +
Ericameria nauseosa var. iridis +
yellow  +
Ericameria nauseosa var. juncea +
yellow  +
Ericameria nauseosa var. latisquamea +
yellow  +
Ericameria nauseosa var. leiosperma +
yellow  +
Ericameria nauseosa var. mohavensis +
yellow  +
Ericameria nauseosa var. nana +
yellow  +
Ericameria nauseosa var. nauseosa +
yellow  +
Ericameria nauseosa var. nitida +
yellow  +
Ericameria nauseosa var. oreophila +
yellow  +
Ericameria nauseosa var. psilocarpa +
yellow  +
Ericameria nauseosa var. salicifolia +
yellow  +
Ericameria nauseosa var. speciosa +
yellow  +
Ericameria nauseosa var. texensis +
yellow  +
Ericameria nauseosa var. turbinata +
yellow  +
Ericameria nauseosa var. washoensis +
yellow  +
Ericameria obovata +
yellow  +
Ericameria ophitidis +
yellow  +
Ericameria palmeri +
yellow  +
Ericameria palmeri var. pachylepis +
yellow  +
Ericameria palmeri var. palmeri +
yellow  +
Ericameria paniculata +
yellow  +
Ericameria parishii +
yellow  +
Ericameria parishii var. parishii +
yellow  +
Ericameria parryi +
yellow  +
Ericameria parryi var. affinis +
pale-yellow  +
Ericameria parryi var. aspera +
yellow  +
Ericameria parryi var. attenuata +
clear yellow  +
Ericameria parryi var. howardii +
pale-yellow  +
Ericameria parryi var. imula +
yellow  +
Ericameria parryi var. latior +
yellow  +
Ericameria parryi var. monocephala +
yellow  +
Ericameria parryi var. montana +
yellow  +
Ericameria parryi var. nevadensis +
clear yellow  +
Ericameria parryi var. parryi +
yellow  +
Ericameria parryi var. salmonensis +
pale-yellow  +
Ericameria parryi var. vulcanica +
yellow  +
Ericameria pinifolia +
yellow  +
Ericameria resinosa +
yellow  +
Ericameria suffruticosa +
yellow  +
Ericameria teretifolia +
yellow  +
Ericameria watsonii +
yellow  +
Ericameria winwardii +
yellow  +
Ericameria zionis +
yellow  +
Erigeron +
yellow  +, usually white  +, bluish or purplish  +
Erigeron abajoensis +
blue  +, pink or white  +
Erigeron acomanus +
white  +
Erigeron acris +
yellow  +, usually white  +, bluish or purplish  +
Erigeron acris var. kamtschaticus +
white  +, pink or purplish  +
Erigeron aequifolius +
blue  +, white  +
Erigeron algidus +
blue  +, pink or purple  +
Erigeron aliceae +
white  +, pinkish purple  +
Erigeron allocotus +
pink  +, white  +, bluish  +
Erigeron alpiniformis +
white  +, pink-purple  +
Erigeron anchana +
white  +, lavender  +
Erigeron annuus +
white  +
Erigeron aphanactis +
yellow  +, usually white  +, bluish or purplish  +
Erigeron aphanactis var. aphanactis +
yellow  +, usually white  +, bluish or purplish  +
Erigeron aphanactis var. congestus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron arenarioides +
blue  +
Erigeron argentatus +
white  +, pink  +, blue  +, …
Erigeron arisolius +
pinkish  +, lavender  +, white  +
Erigeron arizonicus +
lilac-tinged  +, white  +, drying  +
Erigeron asperugineus +
violet  +, rose-purple  +
Erigeron aureus +
yellow  +
Erigeron barbellulatus +
bluish  +, blue  +, white  +
Erigeron basalticus +
pink  +, pinkish purple  +
Erigeron bellidiastrum +
white  +, bluish  +
Erigeron bellidiastrum var. arenarius +
white  +, bluish  +
Erigeron bellidiastrum var. bellidiastrum +
white  +, bluish  +
Erigeron bellidiastrum var. robustus +
white  +, bluish  +
Erigeron bigelovii +
white  +, pink or purplish  +
Erigeron biolettii +
yellow  +, usually white  +, bluish or purplish  +
Erigeron blochmaniae +
white  +, bluish  +
Erigeron bloomeri +
yellow  +, usually white  +, bluish or purplish  +
Erigeron bloomeri var. bloomeri +
yellow  +, usually white  +, bluish or purplish  +
Erigeron bloomeri var. nudatus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron breweri +
blue  +, pink  +, white  +
Erigeron breweri var. bisanctus +
blue  +, pink  +, white  +
Erigeron breweri var. breweri +
blue  +, pink  +, white  +
Erigeron breweri var. covillei +
blue  +, pink  +, white  +
Erigeron breweri var. jacinteus +
blue  +, pink  +, white  +
Erigeron breweri var. porphyreticus +
blue  +, pink  +, white  +
Erigeron caespitosus +
white  +, bluish  +
Erigeron calvus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron canaani +
white  +, purplish  +
Erigeron canus +
white  +, light blue  +
Erigeron cascadensis +
purplish  +, white  +
Erigeron cavernensis +
white  +, pinkish or lavender  +
Erigeron cervinus +
blue  +, purplish  +
Erigeron chrysopsidis +
yellow  +
Erigeron chrysopsidis var. austiniae +
yellow  +
Erigeron chrysopsidis var. brevifolius +
yellow  +
Erigeron chrysopsidis var. chrysopsidis +
yellow  +
Erigeron clokeyi +
less commonly white  +, pink  +
Erigeron clokeyi var. clokeyi +
less commonly white  +, pink  +
Erigeron clokeyi var. pinzliae +
less commonly white  +, pink  +
Erigeron compactus +
white  +, pinkish  +
Erigeron compositus +
white  +, pink or blue  +
Erigeron concinnus +
white  +, pink or blue  +
Erigeron concinnus var. concinnus +
white  +, pink or blue  +
Erigeron concinnus var. condensatus +
white  +, pink or blue  +
Erigeron concinnus var. subglaber +
white  +, pink or blue  +
Erigeron consimilis +
pinkish  +, white  +
Erigeron corymbosus +
pink  +, blue  +
Erigeron coulteri +
yellow  +, usually white  +, bluish or purplish  +
Erigeron cronquistii +
light pink  +, white  +
Erigeron davisii +
white  +
Erigeron decumbens +
pinkish  +, pale blue  +
Erigeron denalii +
white  +, lavender  +
Erigeron disparipilus +
blue  +, fading pink  +, white  +
Erigeron divergens +
lilac  +, white  +
Erigeron eatonii +
pink  +, bluish or purple  +
Erigeron eatonii var. eatonii +
pink  +, bluish or purple  +
Erigeron eatonii var. lavandulus +
pink  +, bluish or purple  +
Erigeron eatonii var. nevadincola +
pink  +, bluish or purple  +
Erigeron eatonii var. plantagineus +
pink  +, bluish or purple  +
Erigeron eatonii var. sonnei +
pink  +, bluish or purple  +
Erigeron eatonii var. villosus +
pink  +, bluish or purple  +
Erigeron elatior +
pink  +, rose-purple  +
Erigeron elatus +
white  +, pink  +
Erigeron elegantulus +
blue  +, pale lavender or pinkish  +
Erigeron elmeri +
bluish  +, white  +
Erigeron engelmannii +
bluish  +, pink  +, white  +
Erigeron evermannii +
white  +
Erigeron eximius +
white  +, bluish or lavender  +
Erigeron filifolius +
pale lavender  +, pink  +, white  +, …
Erigeron flabellifolius +
white  +, lavender or light pink  +
Erigeron flagellaris +
lilac  +, white  +
Erigeron flettii +
white  +
Erigeron foliosus +
white  +, blue  +
Erigeron foliosus var. confinis +
white  +, blue  +
Erigeron foliosus var. foliosus +
white  +, blue  +
Erigeron foliosus var. franciscensis +
white  +, blue  +
Erigeron foliosus var. hartwegii +
white  +, blue  +
Erigeron foliosus var. mendocinus +
white  +, blue  +
Erigeron formosissimus +
blue  +, purple rarely pink  +
Erigeron formosissimus var. formosissimus +
blue  +, purple rarely pink  +
Erigeron formosissimus var. viscidus +
blue  +, purple rarely pink  +
Erigeron garrettii +
lilac-tinged  +, white  +
Erigeron geiseri +
white  +, pink  +
Erigeron glabellus +
white  +, pink or blue  +
Erigeron glabellus var. glabellus +
white  +, pink or blue  +
Erigeron glabellus var. pubescens +
white  +, pink or blue  +
Erigeron glacialis +
white  +, pale blue  +
Erigeron glacialis var. glacialis +
white  +, pale blue  +
Erigeron glacialis var. hirsutus +
white  +, pale blue  +
Erigeron glaucus +
white  +, purple or blue  +
Erigeron goodrichii +
blue  +
Erigeron gracilis +
blue  +, pinkish purple  +
Erigeron grandiflorus +
white  +, blue  +, pink or purplish  +
Erigeron greenei +
yellow  +, usually white  +, bluish or purplish  +
Erigeron heliographis +
yellow  +, usually white  +, bluish or purplish  +
Erigeron hessii +
white  +, lavender  +
Erigeron howellii +
white  +
Erigeron humilis +
whitish  +, bluish purple  +, lavender  +
Erigeron hyperboreus +
white  +, blue drying white or pink purple or blue  +
Erigeron hyssopifolius +
pinkish  +, aging  +, white  +
Erigeron inornatus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron inornatus var. calidipetris +
yellow  +, usually white  +, bluish or purplish  +
Erigeron inornatus var. inornatus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron inornatus var. keilii +
yellow  +, usually white  +, bluish or purplish  +
Erigeron jonesii +
blue  +, white  +
Erigeron kachinensis +
pinkish  +, white  +
Erigeron karvinskianus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron klamathensis +
lavender  +, purple  +
Erigeron kuschei +
white  +
Erigeron lackschewitzii +
purple  +, lavender  +
Erigeron lanatus +
purplish  +, white  +
Erigeron lassenianus +
pink  +, lavender or white  +
Erigeron lassenianus var. deficiens +
pink  +, lavender or white  +
Erigeron lassenianus var. lassenianus +
pink  +, lavender or white  +
Erigeron latus +
pinkish  +, purple  +
Erigeron leibergii +
pink  +, white  +, usually blue  +, …
Erigeron leiomerus +
white  +, blue or purple  +
Erigeron lemmonii +
white  +
Erigeron linearis +
cream  +, nearly white  +
Erigeron lobatus +
dark blue  +, white  +
Erigeron lonchophyllus +
white  +, light pink  +
Erigeron maguirei +
white  +, pink  +
Erigeron mancus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron maniopotamicus +
white  +, pinkish or purplish  +
Erigeron mariposanus +
bluish  +
Erigeron melanocephalus +
white  +, purple  +
Erigeron miser +
yellow  +, usually white  +, bluish or purplish  +
Erigeron modestus +
lilac  +, white  +
Erigeron muirii +
pinkish  +, white  +
Erigeron multiceps +
white  +, purplish  +
Erigeron nanus +
white  +, usually blue  +, purplish  +
Erigeron nauseosus +
blue  +, white  +
Erigeron nematophyllus +
white  +, pink  +
Erigeron neomexicanus +
white  +
Erigeron nivalis +
white  +, pinkish  +
Erigeron ochroleucus +
white  +, pinkish bluish or lavender  +
Erigeron oreganus +
white  +, pink  +
Erigeron oreophilus +
white  +
Erigeron ovinus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron oxyphyllus +
white  +, lavender or blue  +
Erigeron pallens +
white  +, pink or purplish  +
Erigeron parishii +
pink  +, white  +
Erigeron parryi +
white  +, pink or bluish  +
Erigeron peregrinus +
white  +, pale blue  +
Erigeron peregrinus var. peregrinus +
white  +, pale blue  +
Erigeron peregrinus var. thompsonii +
white  +, pale blue  +
Erigeron petrophilus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron petrophilus var. petrophilus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron petrophilus var. sierrensis +
yellow  +, usually white  +, bluish or purplish  +
Erigeron petrophilus var. viscidulus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron philadelphicus +
pinkish  +, white  +
Erigeron philadelphicus var. glaber +
pinkish  +, white  +
Erigeron philadelphicus var. philadelphicus +
pinkish  +, white  +
Erigeron philadelphicus var. provancheri +
pinkish  +, white  +
Erigeron pinnatisectus +
fading lighter  +, bluish  +, drying  +, …, …
Erigeron piperianus +
dark yellow  +, yellow  +
Erigeron piscaticus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron poliospermus +
white  +, usually pink  +, bluish purple  +
Erigeron poliospermus var. cereus +
white  +, usually pink  +, bluish purple  +
Erigeron poliospermus var. disciformis +
white  +, usually pink  +, bluish purple  +
Erigeron poliospermus var. poliospermus +
white  +, usually pink  +, bluish purple  +
Erigeron porsildii +
white  +, lavender or blue  +
Erigeron pringlei +
white  +, pinkish  +
Erigeron procumbens +
pinkish  +, white  +
Erigeron pulchellus +
light blue  +, purplish pink or white  +
Erigeron pulchellus var. brauniae +
light blue  +, purplish pink or white  +
Erigeron pulchellus var. pulchellus +
light blue  +, purplish pink or white  +
Erigeron pulchellus var. tolsteadii +
light blue  +, purplish pink or white  +
Erigeron pulcherrimus +
white  +, pink or bluish  +
Erigeron pumilus +
bluish  +, white  +, pink  +
Erigeron pumilus var. intermedius +
bluish  +, white  +, pink  +
Erigeron pumilus var. pumilus +
bluish  +, white  +, pink  +
Erigeron purpuratus +
white  +, pink or purplish  +
Erigeron pygmaeus +
white  +, purple  +, blue  +
Erigeron quercifolius +
white  +, pink  +
Erigeron radicatus +
purplish  +, white  +
Erigeron reductus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron reductus var. angustatus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron reductus var. reductus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron religiosus +
lilac  +, white  +
Erigeron rhizomatus +
white  +
Erigeron robustior +
yellow  +, usually white  +, bluish or purplish  +
Erigeron rybius +
yellow  +, usually white  +, bluish or purplish  +
Erigeron rydbergii +
white  +, usually bluish  +, purplish  +
Erigeron salishii +
white  +, bluish  +
Erigeron salmonensis +
lilac  +, white  +
Erigeron sanctarum +
blue  +, purple  +
Erigeron saxatilis +
white  +, slightly lavender  +
Erigeron sceptrifer +
pink  +, bluish  +
Erigeron scopulinus +
white  +
Erigeron serpentinus +
blue  +, white  +
Erigeron sionis +
pink  +, lavender or blue  +
Erigeron sionis var. sionis +
pink  +, lavender or blue  +
Erigeron sionis var. trilobatus +
pink  +, lavender or blue  +
Erigeron sivinskii +
white  +
Erigeron sparsifolius +
white  +, blue  +
Erigeron speciosus +
whitish  +, blue  +, lavender  +
Erigeron strigosus +
bluish  +, pinkish  +, white  +
Erigeron strigosus var. calcicola +
bluish  +, pinkish  +, white  +
Erigeron strigosus var. dolomiticola +
bluish  +, pinkish  +, white  +
Erigeron strigosus var. septentrionalis +
bluish  +, pinkish  +, white  +
Erigeron strigosus var. strigosus +
bluish  +, pinkish  +, white  +
Erigeron subglaber +
bluish  +, purplish  +, lavender  +
Erigeron subtrinervis +
blue  +, lavender  +
Erigeron supplex +
yellow  +, usually white  +, bluish or purplish  +
Erigeron tenellus +
white  +, bluish  +
Erigeron tener +
blue  +, purple  +
Erigeron tenuis +
blue  +, pale lavender or white drying blue  +
Erigeron tracyi +
purplish  +, white  +
Erigeron trifidus +
white  +, pinkish  +
Erigeron tweedyi +
white  +, blue  +, purple  +
Erigeron uintahensis +
blue  +, lavender  +
Erigeron uncialis +
white  +, pink  +
Erigeron uncialis var. conjugans +
white  +, pink  +
Erigeron uncialis var. uncialis +
white  +, pink  +
Erigeron uniflorus +
yellow  +, usually white  +, bluish or purplish  +
Erigeron uniflorus var. eriocephalus +
purplish  +, pink or white  +
Erigeron untermannii +
white  +, pink or purplish  +
Erigeron ursinus +
pink  +, bluish purple  +
Erigeron utahensis +
blue  +, pink  +, white  +
Erigeron vagus +
white  +, pink  +
Erigeron velutipes +
blue  +, white  +, bluish  +
Erigeron vernus +
white  +
Erigeron versicolor +
white  +
Erigeron vetensis +
pinkish  +, white  +, usually bluish  +, …
Erigeron vicinus +
white  +
Erigeron vreelandii +
blue  +, lavender  +
Erigeron watsonii +
white  +, pink  +
Erigeron wilkenii +
light pink  +, white  +
Erigeron yukonensis +
white  +, pink or pink-purple  +
Eriophyllum +
yellow  +, white  +
Eriophyllum ambiguum +
yellow  +, white  +
Eriophyllum ambiguum var. ambiguum +
yellow  +, white  +
Eriophyllum ambiguum var. paleaceum +
yellow  +, white  +
Eriophyllum confertiflorum +
yellow  +, white  +
Eriophyllum confertiflorum var. confertiflorum +
yellow  +, white  +
Eriophyllum confertiflorum var. tanacetiflorum +
yellow  +, white  +
Eriophyllum congdonii +
yellow  +, white  +
Eriophyllum jepsonii +
yellow  +, white  +
Eriophyllum lanatum +
yellow  +, white  +
Eriophyllum lanatum var. achilleoides +
yellow  +, white  +
Eriophyllum lanatum var. arachnoideum +
yellow  +, white  +
Eriophyllum lanatum var. croceum +
yellow  +, white  +
Eriophyllum lanatum var. grandiflorum +
yellow  +, white  +
Eriophyllum lanatum var. hallii +
yellow  +, white  +
Eriophyllum lanatum var. integrifolium +
yellow  +, white  +
Eriophyllum lanatum var. lanatum +
yellow  +, white  +
Eriophyllum lanatum var. lanceolatum +
yellow  +, white  +
Eriophyllum lanatum var. leucophyllum +
yellow  +, white  +
Eriophyllum lanatum var. obovatum +
yellow  +, white  +
Eriophyllum lanosum +
yellow  +, white  +
Eriophyllum latilobum +
yellow  +, white  +
Eriophyllum mohavense +
yellow  +, white  +
Eriophyllum multicaule +
yellow  +, white  +
Eriophyllum nubigenum +
yellow  +, white  +
Eriophyllum pringlei +
yellow  +, white  +
Eriophyllum staechadifolium +
yellow  +, white  +
Eriophyllum wallacei +
yellow  +, white  +
Erythranthe +
white;yellow;purple;yellow;purple;lavender;magenta;crimson;red;pink  +
Erythranthe acutidens +
pale-pink;rose-purple  +
Erythranthe alsinoides +
yellow  +
Erythranthe ampliata +
yellow  +
Erythranthe androsacea +
pink;purple  +
Erythranthe arenaria +
yellow  +
Erythranthe arenicola +
red-dotted;yellow  +
Erythranthe arvensis +
red-spotted;yellow  +
Erythranthe barbata +
yellow;bicolored  +
Erythranthe bicolor +
yellow  +
Erythranthe brachystylis +
yellow  +
Erythranthe breviflora +
striped;red-spotted;yellow  +
Erythranthe breweri +
pink;red rose red red-purple or lavender  +
Erythranthe caespitosa +
dark red-spotted;yellow  +
Erythranthe calcicola +
white;yellow  +
Erythranthe calciphila +
red-spotted;light yellow  +
Erythranthe cardinalis +
yellow;scarlet;orange-red  +
Erythranthe carsonensis +
yellow  +
Erythranthe charlestonensis +
red-dotted;yellow  +
Erythranthe chinatiensis +
red-dotted;yellow  +
Erythranthe cinnabarina +
scarlet;deep;red-orange;scarlet;deep;red-orange;orange;dull;orange;deep  +
Erythranthe corallina +
red-spotted;yellow  +
Erythranthe cordata +
red-spotted;yellow  +
Erythranthe decora +
yellow;yellow  +
Erythranthe dentata +
yellow  +
Erythranthe diffusa +
pink;purple  +
Erythranthe discolor +
yellow  +
Erythranthe eastwoodiae +
scarlet;orange-red or orange  +
Erythranthe erubescens +
darker-pink stripes;light pink  +
Erythranthe exigua +
light lavender;purple  +
Erythranthe filicaulis +
pink to purple  +
Erythranthe filicifolia +
yellow  +
Erythranthe floribunda +
yellow  +
Erythranthe gemmipara +
yellow  +
Erythranthe geniculata +
yellow  +
Erythranthe geyeri +
not;red-dotted;yellow  +
Erythranthe glaucescens +
yellow  +
Erythranthe gracilipes +
pink;rose lavender  +
Erythranthe grandis +
red-dotted;yellow  +
Erythranthe grayi +
rose red  +
Erythranthe guttata +
red-dotted;yellow  +
Erythranthe hallii +
red-dotted;yellow  +
Erythranthe hardhamiae +
pink;purple  +
Erythranthe hymenophylla +
light yellow  +
Erythranthe inamoena +
red-spotted;yellow  +
Erythranthe inconspicua +
pale-pink;rose-pink or purple  +
Erythranthe inflatula +
not;red-spotted;yellow;pale-yellow  +
Erythranthe jungermannioides +
yellow  +
Erythranthe laciniata +
yellow  +
Erythranthe latidens +
white;pinkish  +
Erythranthe lewisii +
lavender;yellowish white;lavender;yellowish white;pinkish white;white;pale violet;crimson;purple  +
Erythranthe linearifolia +
striped;red-spotted;yellow  +
Erythranthe marmorata +
yellow  +
Erythranthe michiganensis +
red-spotted;yellow  +
Erythranthe microphylla +
red-spotted;yellow;golden yellow or orangish yellow  +
Erythranthe minor +
not red-dotted;yellow  +
Erythranthe montioides +
yellow  +
Erythranthe moschata +
yellow  +
Erythranthe nasuta +
yellow  +
Erythranthe norrisii +
yellow  +
Erythranthe nudata +
yellow  +
Erythranthe palmeri +
pink;purple  +
Erythranthe pardalis +
yellow  +
Erythranthe parishii +
white;light lavender pinkish or rosy  +
Erythranthe parvula +
red-dotted;yellow  +
Erythranthe patula +
yellow  +
Erythranthe percaulis +
yellow  +
Erythranthe primuloides +
brown-spotted;yellow;orange-yellow  +
Erythranthe ptilota +
yellow  +
Erythranthe pulsiferae +
yellowish  +
Erythranthe purpurea +
pink;purple  +
Erythranthe regni +
not red-dotted;yellow  +
Erythranthe rhodopetra +
pale-pink;pink  +
Erythranthe rubella +
yellow  +
Erythranthe scouleri +
yellow  +
Erythranthe shevockii +
maroon and yellow  +
Erythranthe sierrae +
pale-pink  +
Erythranthe suksdorfii +
yellow  +
Erythranthe taylorii +
yellow  +
Erythranthe thermalis +
not;red-dotted;yellow  +
Erythranthe tilingii +
red-dotted;yellow  +
Erythranthe trinitiensis +
yellow and light pink;white  +
Erythranthe unimaculata +
pale-yellow  +
Erythranthe utahensis +
yellow  +
Erythranthe verbenacea +
yellow-tinged;crimson  +
Erythranthe washingtonensis +
yellow with small reddish-brown dots  +
Erythranthe willisii +
yellow  +
Eubotrys racemosa +
white  +
Eubotrys recurva +
white  +, pale-pink  +
Eucephalus +
yellow  +, white  +, pink  +, …
Eucephalus breweri +
yellow  +, white  +, pink  +, …
Eucephalus elegans +
yellow  +, white  +, pink  +, …
Eucephalus engelmannii +
yellow  +, white  +, pink  +, …
Eucephalus glabratus +
yellow  +, white  +, pink  +, …
Eucephalus glaucescens +
yellow  +, white  +, pink  +, …
Eucephalus gormanii +
yellow  +, white  +, pink  +, …
Eucephalus ledophyllus +
yellow  +, white  +, pink  +, …
Eucephalus ledophyllus var. covillei +
yellow  +, white  +, pink  +, …
Eucephalus ledophyllus var. ledophyllus +
yellow  +, white  +, pink  +, …
Eucephalus paucicapitatus +
yellow  +, white  +, pink  +, …
Eucephalus tomentellus +
yellow  +, white  +, pink  +, …
Eucephalus vialis +
yellow  +, white  +, pink  +, …
Euchiton +
purplish  +, purple  +
Euchiton gymnocephalus +
purplish  +, purple  +
Euchiton involucratus +
purplish  +, purple  +
Euchiton sphaericus +
purplish  +, purple  +
Eupatorium +
pinkish  +, white  +
Eupatorium album +
pinkish  +, white  +
Eupatorium album var. album +
pinkish  +, white  +
Eupatorium album var. subvenosum +
pinkish  +, white  +
Eupatorium album var. vaseyi +
pinkish  +, white  +
Eupatorium altissimum +
pinkish  +, white  +
Eupatorium anomalum +
pinkish  +, white  +
Eupatorium cannabinum +
pinkish  +, white  +
Eupatorium capillifolium +
pinkish  +, white  +
Eupatorium compositifolium +
pinkish  +, white  +
Eupatorium godfreyanum +
pinkish  +, white  +
Eupatorium hyssopifolium +
pinkish  +, white  +
Eupatorium hyssopifolium var. hyssopifolium +
pinkish  +, white  +
Eupatorium hyssopifolium var. laciniatum +
pinkish  +, white  +
Eupatorium lancifolium +
pinkish  +, white  +
Eupatorium leptophyllum +
pinkish  +, white  +
Eupatorium leucolepis +
pinkish  +, white  +
Eupatorium leucolepis var. leucolepis +
pinkish  +, white  +
Eupatorium leucolepis var. novaeangliae +
pinkish  +, white  +
Eupatorium linearifolium +
pinkish  +, white  +
Eupatorium mikanioides +
pinkish  +, white  +
Eupatorium mohrii +
pinkish  +, white  +
Eupatorium perfoliatum +
pinkish  +, white  +
Eupatorium petaloideum +
pinkish  +, white  +
Eupatorium pilosum +
pinkish  +, white  +
Eupatorium resinosum +
pinkish  +, white  +
Eupatorium rotundifolium +
pinkish  +, white  +
Eupatorium rotundifolium var. ovatum +
pinkish  +, white  +
Eupatorium rotundifolium var. rotundifolium +
pinkish  +, white  +
Eupatorium rotundifolium var. scabridum +
pinkish  +, white  +
Eupatorium semiserratum +
pinkish  +, white  +
Eupatorium serotinum +
pinkish  +, white  +
Eupatorium sessilifolium +
pinkish  +, white  +
Eupatorium ×cordigerum +
pinkish  +, white  +
Eupatorium ×pinnatifidum +
pinkish  +, white  +
Euphrasia +
yellow  +, purple  +, yellow spot  +, …, …
Euphrasia arctica +
lilac  +, white  +
Euphrasia arctica subsp. arctica +
lilac  +, white  +
Euphrasia arctica subsp. borealis +
lilac  +, white  +
Euphrasia disjuncta +
white  +
Euphrasia farlowii +
cream  +, white  +
Euphrasia frigida +
tinged lilac  +, white  +
Euphrasia hudsoniana +
white  +
Euphrasia micrantha +
white  +, violet  +
Euphrasia mollis +
yellow  +
Euphrasia nemorosa +
white  +, lilac  +
Euphrasia oakesii +
lilac  +, purple  +, brownish purple  +
Euphrasia oakesii var. oakesii +
lilac  +, purple  +
Euphrasia oakesii var. williamsii +
brownish purple  +
Euphrasia ostenfeldii +
white  +
Euphrasia randii +
cream  +, white  +
Euphrasia salisburgensis +
yellow  +, purple  +, yellow spot  +, …, …
Euphrasia salisburgensis var. hibernica +
white  +
Euphrasia stricta +
suffused with lilac  +, white  +
Euphrasia stricta var. brevipila +
suffused with lilac  +, white  +
Euphrasia stricta var. stricta +
suffused with lilac  +, white  +
Euphrasia subarctica +
white  +, yellow  +
Euphrasia suborbicularis +
white  +
Euphrasia tetraquetra +
white  +
Euphrasia vinacea +
white  +
Euphrasia wettsteinii +
tinged lilac  +, white  +
Eurybia +
yellow  +, white  +, purple  +
Eurybia avita +
yellow  +, bluish white  +, lavender or deep violet  +
Eurybia chlorolepis +
yellow  +, lilac-tinged  +, white  +
Eurybia compacta +
pale-yellow  +, pale  +, blue-violet  +, …
Eurybia conspicua +
yellow  +, violet  +, blue  +
Eurybia divaricata +
yellow  +, white  +
Eurybia eryngiifolia +
yellow  +, pinkish  +, white  +
Eurybia furcata +
light yellow becoming purple  +, cream  +, lavender  +, …, …
Eurybia hemispherica +
light yellow turning brown  +, white  +
Eurybia integrifolia +
,  +, pale-yellow turning pinkish or purplish  +
Eurybia jonesiae +
yellow  +, whitish  +, cream-colored  +
Eurybia macrophylla +
light yellow  +, cream-color  +, violet  +, …
Eurybia merita +
pale  +, cream-yellow  +
Eurybia mirabilis +
purplish-tinged  +, pale-yellow  +, white  +, …
Eurybia paludosa +
yellow  +, lavender  +, purple  +
Eurybia radula +
yellow  +, pale blue-violet  +
Eurybia radulina +
yellow becoming purple or pinkish-tinged  +, purple  +, pale violet  +, …
Eurybia saxicastelli +
yellow turning pinkish  +, pale white  +, pale blue  +
Eurybia schreberi +
yellow  +, white  +
Eurybia sibirica +
yellow becoming purplish  +, white  +, pale violet or purple  +
Eurybia spectabilis +
yellow  +
Eurybia spinulosa +
yellow  +
Eurybia surculosa +
pale-yellow turning purplish  +, bluish violet  +
Eurybia ×herveyi +
pinkish  +, light yellow  +, cream  +
Euthamia +
yellow  +
Euthamia caroliniana +
yellow  +
Euthamia graminifolia +
yellow  +
Euthamia gymnospermoides +
yellow  +
Euthamia leptocephala +
yellow  +
Euthamia occidentalis +
yellow  +
Eutrochium +
white  +, pinkish  +, purplish  +
Eutrochium dubium +
white  +, pinkish  +, dark purple  +
Eutrochium fistulosum +
purplish  +, pale pinkish  +
Eutrochium maculatum +
purplish  +
Eutrochium maculatum var. bruneri +
purplish  +
Eutrochium maculatum var. foliosum +
purplish  +
Eutrochium maculatum var. maculatum +
purplish  +
Eutrochium purpureum +
purplish  +, pale pinkish  +
Eutrochium purpureum var. holzingeri +
purplish  +, pale pinkish  +
Eutrochium purpureum var. purpureum +
purplish  +, pale pinkish  +
Eutrochium steelei +
purplish  +, pale pinkish  +
F
Facelis +
white  +, purplish  +
Facelis retusa +
white  +, purplish  +
Filago +
red-tipped  +, purplish  +, yellow  +, …
Filago pyramidata +
red-tipped  +, purplish  +, yellow  +, …
Filago pyramidata var. pyramidata +
red-tipped  +, purplish  +, yellow  +, …
Filago vulgaris +
red-tipped  +, purplish  +, yellow  +, …
Flaveria +
yellow  +, whitish  +
Flaveria bidentis +
yellow  +, whitish  +
Flaveria brownii +
yellow  +, whitish  +
Flaveria campestris +
yellow  +, whitish  +
Flaveria chlorifolia +
yellow  +, whitish  +
Flaveria floridana +
yellow  +, whitish  +
Flaveria linearis +
yellow  +, whitish  +
Flaveria mcdougallii +
yellow  +, whitish  +
Flaveria trinervia +
yellow  +, whitish  +
Fleischmannia +
white  +, purplish  +, pinkish  +, …
Fleischmannia incarnata +
white  +, whitish  +, pink-purple  +
Fleischmannia sonorae +
white  +, pale-purple  +
Florestina +
whitish  +
Florestina tripteris +
whitish  +
Flourensia +
yellow  +
Flourensia cernua +
yellow  +
Flourensia pringlei +
yellow  +
Flyriella +
white  +, ochroleucous  +
Flyriella parryi +
white  +, ochroleucous  +
G
Gaillardia +
orange  +, red purplish or brown  +
Gaillardia aestivalis +
purple  +, purple-brown or bicolored  +
Gaillardia amblyodon +
yellow  +, mostly bright red  +, dark purple  +
Gaillardia aristata +
yellow  +, purple  +
Gaillardia arizonica +
yellow  +, orange  +
Gaillardia coahuilensis +
yellow  +, reddish  +, orange  +, …
Gaillardia multiceps +
purplish  +, yellow  +
Gaillardia parryi +
yellow  +
Gaillardia pinnatifida +
yellow  +, yellow and distally purplish  +, ochroleucous  +, …
Gaillardia pulchella +
bicolored  +, yellowish  +, purple or brown  +
Gaillardia spathulata +
yellow  +
Gaillardia suavis +
pinkish  +, purplish  +
Galinsoga +
yellow  +, dull white  +, pinkish  +
Galinsoga parviflora +
white  +
Galinsoga parviflora var. parviflora +
white  +
Galinsoga parviflora var. semicalva +
white  +
Galinsoga quadriradiata +
pink  +, white  +
Gambelia +
red  +
Gambelia speciosa +
red  +
Gamochaeta +
purplish  +, yellow  +, purplish-tipped  +
Gamochaeta antillana +
purplish  +, yellow  +, purplish-tipped  +
Gamochaeta argyrinea +
purple  +, yellowbrown  +
Gamochaeta calviceps +
purplish  +, yellow  +, purplish-tipped  +
Gamochaeta chionesthes +
brownish yellow  +, purple  +
Gamochaeta coarctata +
purplish  +
Gamochaeta pensylvanica +
purplish  +
Gamochaeta purpurea +
purplish  +
Gamochaeta simplicicaulis +
yellowish  +
Gamochaeta sphacelata +
purplish  +
Gamochaeta stachydifolia +
yellowish  +
Gamochaeta stagnalis +
purplish  +
Gamochaeta ustulata +
purplish  +, yellowish  +
Garberia +
pink  +, purplish  +
Garberia heterophylla +
pink  +, purplish  +
Gaylussacia baccata +
orange  +, red  +
Gaylussacia bigeloviana +
white  +, pink or reddish  +
Gaylussacia brachycera +
white  +, pink  +
Gaylussacia dumosa +
reddish  +, white  +, pink  +
Gaylussacia frondosa +
greenish white  +
Gaylussacia mosieri +
pinkish  +, white  +
Gaylussacia nana +
greenish white  +
Gaylussacia orocola +
white  +
Gaylussacia tomentosa +
greenish white  +
Gaylussacia ursina +
greenish white  +
Gazania +
yellow  +, orange  +
Gazania linearis +
yellow  +, orange  +
Geraea +
yellow  +
Geraea canescens +
yellow  +
Geraea viscida +
yellow  +
Glebionis +
yellow  +, paler  +
Glebionis coronaria +
yellow  +, paler  +
Glebionis segetum +
yellow  +, paler  +
Glossostigma +
white  +
Glossostigma cleistanthum +
white  +
Glyptopleura +
white  +, pale-yellow  +
Glyptopleura marginata +
purple  +, pink  +, aging  +, …, …
Glyptopleura setulosa +
purple  +, pink  +, aging  +, …, …
Gnaphalium +
whitish  +, purplish  +
Gnaphalium exilifolium +
whitish  +, purplish  +
Gnaphalium palustre +
whitish  +, purplish  +
Gnaphalium uliginosum +
whitish  +, purplish  +
Gochnatia +
whitish  +
Gochnatia hypoleuca +
whitish  +
Gossypium +
fading rose  +, yellow  +, cream  +
Gossypium armourianum +
fading rose  +, yellow  +, cream  +
Gossypium hirsutum +
fading rose  +, yellow  +, cream  +
Gossypium thurberi +
fading rose  +, yellow  +, cream  +
Gratiola +
pinkish  +, yellow  +, cream  +, …
Gratiola amphiantha +
pinkish  +, yellow  +, cream  +, …
Gratiola brevifolia +
pinkish  +, yellow  +, cream  +, …
Gratiola ebracteata +
pinkish  +, yellow  +, cream  +, …
Gratiola floridana +
pinkish  +, yellow  +, cream  +, …
Gratiola graniticola +
pinkish  +, yellow  +, cream  +, …
Gratiola heterosepala +
pinkish  +, yellow  +, cream  +, …
Gratiola lutea +
pinkish  +, yellow  +, cream  +, …
Gratiola neglecta +
pinkish  +, yellow  +, cream  +, …
Gratiola quartermaniae +
pinkish  +, yellow  +, cream  +, …
Gratiola ramosa +
pinkish  +, yellow  +, cream  +, …
Gratiola torreyi +
pinkish  +, yellow  +, cream  +, …
Gratiola virginiana +
pinkish  +, yellow  +, cream  +, …
Gratiola viscidula +
pinkish  +, yellow  +, cream  +, …
Grindelia +
yellow  +, orange  +
Grindelia adenodonta +
yellow  +, orange  +
Grindelia arizonica +
yellow  +, orange  +
Grindelia ciliata +
yellow  +, orange  +
Grindelia decumbens +
yellow  +, orange  +
Grindelia fraxinipratensis +
yellow  +, orange  +
Grindelia grandiflora +
yellow  +, orange  +
Grindelia havardii +
yellow  +, orange  +
Grindelia hirsutula +
yellow  +, orange  +
Grindelia howellii +
yellow  +, orange  +
Grindelia integrifolia +
yellow  +, orange  +
Grindelia lanceolata +
yellow  +, orange  +
Grindelia microcephala +
yellow  +, orange  +
Grindelia oxylepis +
yellow  +, orange  +
Grindelia oölepis +
yellow  +, orange  +
Grindelia pusilla +
yellow  +, orange  +
Grindelia scabra +
yellow  +, orange  +
Grindelia squarrosa +
yellow  +, orange  +
Grindelia subalpina +
yellow  +, orange  +
Guardiola +
whitish  +
Guardiola platyphylla +
whitish  +
Guizotia +
yellow  +
Guizotia abyssinica +
yellow  +
Gundlachia +
pale-yellow  +
Gundlachia triantha +
pale-yellow  +
Gutierrezia +
white  +, yellow  +
Gutierrezia arizonica +
reddish  +, light yellow  +, drying  +, …
Gutierrezia californica +
yellow  +
Gutierrezia microcephala +
yellow  +
Gutierrezia petradoria +
yellow  +
Gutierrezia pomariensis +
yellow  +
Gutierrezia sarothrae +
yellow  +
Gutierrezia serotina +
yellow  +
Gutierrezia sphaerocephala +
yellow  +
Gutierrezia texana +
yellow  +
Gutierrezia texana var. glutinosa +
yellow  +
Gutierrezia texana var. texana +
yellow  +
Gutierrezia wrightii +
yellow  +
Gymnosperma +
orange-yellow  +, yellow  +
Gymnosperma glutinosum +
orange-yellow  +, yellow  +
Gynura +
orange  +, brick-red  +
Gynura aurantiaca +
orange  +, brick-red  +
H
Haploësthes +
yellow  +
Haploësthes greggii +
yellow  +
Haploësthes greggii var. texana +
yellow  +
Harmonia +
bright-yellow  +
Harmonia doris-nilesiae +
bright-yellow  +
Harmonia guggolziorum +
bright-yellow  +
Harmonia hallii +
bright-yellow  +
Harmonia nutans +
bright-yellow  +
Harmonia stebbinsii +
bright-yellow  +
Harrimanella hypnoides +
white  +
Harrimanella stelleriana +
tinged with pink  +, white  +
Hartwrightia +
pinkish  +, bluish  +
Hartwrightia floridana +
pinkish  +, bluish  +
Hasteola +
pinkish  +, ochroleucous  +, greenish  +
Hasteola robertiorum +
white  +, pale greenish  +
Hasteola suaveolens +
white  +, ochroleucous  +
Hazardia +
yellow  +, red-purple  +, drying  +
Hazardia brickellioides +
yellow  +, red-purple  +, drying  +
Hazardia cana +
yellow  +, red-purple  +, drying  +
Hazardia detonsa +
yellow  +, red-purple  +, drying  +
Hazardia orcuttii +
yellow  +, red-purple  +, drying  +
Hazardia squarrosa +
yellow  +, red-purple  +, drying  +
Hazardia squarrosa var. grindelioides +
yellow  +, red-purple  +, drying  +
Hazardia squarrosa var. obtusa +
yellow  +, red-purple  +, drying  +
Hazardia squarrosa var. squarrosa +
yellow  +, red-purple  +, drying  +
Hazardia stenolepis +
yellow  +, red-purple  +, drying  +
Hazardia whitneyi +
yellow  +, red-purple  +, drying  +
Hazardia whitneyi var. discoidea +
yellow  +, red-purple  +, drying  +
Hazardia whitneyi var. whitneyi +
yellow  +, red-purple  +, drying  +
Hecastocleis +
reddish purple  +, greenish white  +
Hecastocleis shockleyi +
white  +, pinkish purple  +
Hedosyne +
whitish  +
Hedosyne ambrosiifolia +
whitish  +
Hedypnois +
yellow  +
Hedypnois cretica +
yellow  +
Helenium +
yellow  +, yellow-green proximally and yellowbrown punct brown or reddish-brown  +
Helenium amarum +
yellow  +, yellowbrown or purple  +
Helenium amarum var. amarum +
yellow  +, yellowbrown  +
Helenium amarum var. badium +
yellow  +, yellowbrown or purple  +
Helenium arizonicum +
yellow  +
Helenium autumnale +
yellow  +, yellowbrown  +
Helenium bigelovii +
yellow  +, brown  +
Helenium bolanderi +
yellow  +, brown  +
Helenium brevifolium +
usually purple  +, yellow or yellowbrown  +
Helenium campestre +
reddish-brown  +, purple  +
Helenium drummondii +
yellow  +
Helenium elegans +
yellow  +, brown  +
Helenium elegans var. amphibolum +
yellow  +, brown  +
Helenium elegans var. elegans +
yellow  +, brown  +
Helenium flexuosum +
yellow  +, reddish-brown  +
Helenium linifolium +
brown  +, purple  +
Helenium microcephalum +
yellow  +, yellow-green proximally  +
Helenium microcephalum var. microcephalum +
yellow  +
Helenium microcephalum var. oöclinium +
reddish proximally and yellow  +, yellow  +
Helenium pinnatifidum +
yellow  +, yellowbrown  +
Helenium puberulum +
yellow  +, reddish-brown  +
Helenium quadridentatum +
yellow  +, brown  +
Helenium thurberi +
brown  +, reddish-brown  +
Helenium vernale +
yellow  +, yellowbrown  +
Helenium virginicum +
yellow  +, yellowbrown  +
Helianthella +
purple  +, brown  +
Helianthella californica +
purple  +, brown  +
Helianthella californica subsp. californica +
purple  +, brown  +
Helianthella californica subsp. nevadensis +
purple  +, brown  +
Helianthella californica subsp. shastensis +
purple  +, brown  +
Helianthella castanea +
purple  +, brown  +
Helianthella microcephala +
purple  +, brown  +
Helianthella parryi +
purple  +, brown  +
Helianthella quinquenervis +
purple  +, brown  +
Helianthella uniflora +
purple  +, brown  +
Helianthus +
reddish  +, yellow  +
Helianthus agrestis +
reddish  +, yellow  +
Helianthus angustifolius +
reddish  +, yellow  +
Helianthus annuus +
reddish  +, yellow  +
Helianthus anomalus +
reddish  +, yellow  +
Helianthus argophyllus +
reddish  +, yellow  +
Helianthus arizonensis +
reddish  +, yellow  +
Helianthus atrorubens +
reddish  +, yellow  +
Helianthus bolanderi +
reddish  +, yellow  +
Helianthus californicus +
reddish  +, yellow  +
Helianthus carnosus +
reddish  +, yellow  +
Helianthus ciliaris +
reddish  +, yellow  +
Helianthus cusickii +
reddish  +, yellow  +
Helianthus debilis +
reddish  +, yellow  +
Helianthus debilis subsp. cucumerifolius +
reddish  +, yellow  +
Helianthus debilis subsp. debilis +
reddish  +, yellow  +
Helianthus debilis subsp. silvestris +
reddish  +, yellow  +
Helianthus debilis subsp. tardiflorus +
reddish  +, yellow  +
Helianthus debilis subsp. vestitus +
reddish  +, yellow  +
Helianthus decapetalus +
reddish  +, yellow  +
Helianthus deserticola +
reddish  +, yellow  +
Helianthus divaricatus +
reddish  +, yellow  +
Helianthus eggertii +
reddish  +, yellow  +
Helianthus exilis +
reddish  +, yellow  +
Helianthus floridanus +
reddish  +, yellow  +
Helianthus giganteus +
reddish  +, yellow  +
Helianthus glaucophyllus +
reddish  +, yellow  +
Helianthus gracilentus +
reddish  +, yellow  +
Helianthus grosseserratus +
reddish  +, yellow  +
Helianthus heterophyllus +
reddish  +, yellow  +
Helianthus hirsutus +
reddish  +, yellow  +
Helianthus laciniatus +
reddish  +, yellow  +
Helianthus laevigatus +
reddish  +, yellow  +
Helianthus longifolius +
reddish  +, yellow  +
Helianthus maximiliani +
reddish  +, yellow  +
Helianthus microcephalus +
reddish  +, yellow  +
Helianthus mollis +
reddish  +, yellow  +
Helianthus neglectus +
reddish  +, yellow  +
Helianthus niveus +
reddish  +, yellow  +
Helianthus niveus subsp. tephrodes +
reddish  +, yellow  +
Helianthus nuttallii +
reddish  +, yellow  +
Helianthus nuttallii subsp. nuttallii +
reddish  +, yellow  +
Helianthus nuttallii subsp. parishii +
reddish  +, yellow  +
Helianthus nuttallii subsp. rydbergii +
reddish  +, yellow  +
Helianthus occidentalis +
reddish  +, yellow  +
Helianthus occidentalis subsp. occidentalis +
reddish  +, yellow  +
Helianthus occidentalis subsp. plantagineus +
reddish  +, yellow  +
Helianthus paradoxus +
reddish  +, yellow  +
Helianthus pauciflorus +
reddish  +, yellow  +
Helianthus pauciflorus subsp. pauciflorus +
reddish  +, yellow  +
Helianthus pauciflorus subsp. subrhomboideus +
reddish  +, yellow  +
Helianthus petiolaris +
reddish  +, yellow  +
Helianthus petiolaris subsp. fallax +
reddish  +, yellow  +
Helianthus petiolaris subsp. petiolaris +
reddish  +, yellow  +
Helianthus porteri +
reddish  +, yellow  +
Helianthus praecox +
reddish  +, yellow  +
Helianthus praecox subsp. hirtus +
reddish  +, yellow  +
Helianthus praecox subsp. praecox +
reddish  +, yellow  +
Helianthus praecox subsp. runyonii +
reddish  +, yellow  +
Helianthus pumilus +
reddish  +, yellow  +
Helianthus radula +
reddish  +, yellow  +
Helianthus resinosus +
reddish  +, yellow  +
Helianthus salicifolius +
reddish  +, yellow  +
Helianthus schweinitzii +
reddish  +, yellow  +
Helianthus silphioides +
reddish  +, yellow  +
Helianthus simulans +
reddish  +, yellow  +
Helianthus smithii +
reddish  +, yellow  +
Helianthus strumosus +
reddish  +, yellow  +
Helianthus tuberosus +
reddish  +, yellow  +
Helianthus verticillatus +
reddish  +, yellow  +
Helianthus ×laetiflorus +
reddish  +, yellow  +
Helichrysum +
yellowish  +
Helichrysum petiolare +
yellowish  +
Heliomeris +
yellow  +
Heliomeris hispida +
yellow  +
Heliomeris longifolia +
yellow  +
Heliomeris longifolia var. annua +
yellow  +
Heliomeris longifolia var. longifolia +
yellow  +
Heliomeris multiflora +
yellow  +
Heliomeris multiflora var. brevifolia +
yellow  +
Heliomeris multiflora var. multiflora +
yellow  +
Heliomeris multiflora var. nevadensis +
yellow  +
Heliomeris soliceps +
yellow  +
Heliopsis +
brown  +, purple  +
Heliopsis gracilis +
pale brown-yellow  +, golden yellow  +
Heliopsis helianthoides +
yellowish  +, brownish yellow  +
Heliopsis helianthoides var. helianthoides +
yellowish  +, brownish yellow  +
Heliopsis helianthoides var. scabra +
yellowish  +, brownish yellow  +
Heliopsis parvifolia +
greenish yellow  +, yellowbrown  +
Helminthotheca +
yellow  +
Helminthotheca echioides +
yellow  +
Hemizonella +
pale-yellow  +
Hemizonella minima +
pale-yellow  +
Hemizonia +
yellow  +, white  +
Hemizonia congesta +
yellow  +, white  +
Hemizonia congesta subsp. calyculata +
yellow  +, white  +
Hemizonia congesta subsp. clevelandii +
yellow  +, white  +
Hemizonia congesta subsp. congesta +
yellow  +, white  +
Hemizonia congesta subsp. lutescens +
yellow  +, white  +
Hemizonia congesta subsp. luzulifolia +
yellow  +, white  +
Hemizonia congesta subsp. tracyi +
yellow  +, white  +
Herissantia +
white  +, orange  +, yellow  +
Herissantia crispa +
white  +, orange  +, yellow  +
Herrickia +
yellow  +, white  +, purple  +
Herrickia glauca +
yellow turning reddish purple  +, pale lavender  +
Herrickia glauca var. glauca +
yellow turning reddish purple  +, pale lavender  +
Herrickia glauca var. pulchra +
yellow turning reddish purple  +, pale lavender  +
Herrickia horrida +
yellow turning purplish  +
Herrickia kingii +
pale-yellow  +, white  +, lavender  +
Herrickia kingii var. barnebyana +
pale-yellow  +, white  +, lavender  +
Herrickia kingii var. kingii +
pale-yellow  +, white  +, lavender  +
Herrickia wasatchensis +
yellow turning reddish purple  +
Hesperevax +
red-tipped  +, purplish  +, yellow  +, …
Hesperevax acaulis +
red-tipped  +, purplish  +, yellow  +, …
Hesperevax acaulis var. acaulis +
red-tipped  +, purplish  +, yellow  +, …
Hesperevax acaulis var. ambusticola +
red-tipped  +, purplish  +, yellow  +, …
Hesperevax acaulis var. robustior +
red-tipped  +, purplish  +, yellow  +, …
Hesperevax caulescens +
red-tipped  +, purplish  +, yellow  +, …
Hesperevax sparsiflora +
red-tipped  +, purplish  +, yellow  +, …
Hesperevax sparsiflora var. brevifolia +
red-tipped  +, purplish  +, yellow  +, …
Hesperevax sparsiflora var. sparsiflora +
red-tipped  +, purplish  +, yellow  +, …
Heteranthemis +
yellow  +, ochroleucous  +
Heteranthemis viscidihirta +
yellow  +, ochroleucous  +
Heterosperma +
yellow  +, pale-yellow  +
Heterosperma pinnatum +
yellow  +, pale-yellow  +
Heterotheca +
yellow  +
Heterotheca camporum +
yellow  +
Heterotheca camporum var. camporum +
yellow  +
Heterotheca camporum var. glandulissima +
yellow  +
Heterotheca canescens +
yellow  +
Heterotheca fulcrata +
yellow  +
Heterotheca fulcrata var. amplifolia +
yellow  +
Heterotheca fulcrata var. arizonica +
yellow  +
Heterotheca fulcrata var. fulcrata +
yellow  +
Heterotheca fulcrata var. senilis +
yellow  +
Heterotheca grandiflora +
yellow  +
Heterotheca jonesii +
yellow  +
Heterotheca marginata +
yellow  +
Heterotheca monarchensis +
yellow  +
Heterotheca oregona +
yellow  +
Heterotheca oregona var. compacta +
yellow  +
Heterotheca oregona var. oregona +
yellow  +
Heterotheca oregona var. rudis +
yellow  +
Heterotheca oregona var. scaberrima +
yellow  +
Heterotheca pumila +
yellow  +
Heterotheca rutteri +
yellow  +
Heterotheca sessiliflora +
yellow  +
Heterotheca sessiliflora subsp. bolanderi +
yellow  +
Heterotheca sessiliflora subsp. echioides +
yellow  +
Heterotheca sessiliflora subsp. fastigiata +
yellow  +
Heterotheca sessiliflora subsp. sessiliflora +
yellow  +
Heterotheca shevockii +
yellow  +
Heterotheca stenophylla +
yellow  +
Heterotheca stenophylla var. angustifolia +
yellow  +
Heterotheca stenophylla var. stenophylla +
yellow  +
Heterotheca subaxillaris +
yellow  +
Heterotheca subaxillaris subsp. latifolia +
yellow  +
Heterotheca subaxillaris subsp. subaxillaris +
yellow  +
Heterotheca villosa +
yellow  +
Heterotheca villosa var. ballardii +
yellow  +
Heterotheca villosa var. depressa +
yellow  +
Heterotheca villosa var. foliosa +
yellow  +
Heterotheca villosa var. minor +
yellow  +
Heterotheca villosa var. nana +
yellow  +
Heterotheca villosa var. pedunculata +
yellow  +
Heterotheca villosa var. scabra +
yellow  +
Heterotheca villosa var. sierrablancensis +
yellow  +
Heterotheca villosa var. villosa +
yellow  +
Heterotheca viscida +
yellow  +
Heterotheca zionensis +
yellow  +
Hieracium +
orange  +, ,  +, tinged with cyan or tinged with red  +, …, …
Hieracium abscissum +
yellow  +
Hieracium albiflorum +
yellow  +
Hieracium alpinum +
yellow  +
Hieracium argutum +
yellow  +
Hieracium aurantiacum +
orange  +
Hieracium bolanderi +
yellow  +
Hieracium brevipilum +
ochroleucous  +
Hieracium caespitosum +
yellow  +
Hieracium carneum +
whitish  +, pinkish  +
Hieracium crepidispermum +
whitish  +, pale-yellow  +
Hieracium fendleri +
pale-yellow  +, ochroleucous  +
Hieracium flagellare +
yellow  +
Hieracium greenei +
yellow  +
Hieracium gronovii +
yellow  +
Hieracium horridum +
yellow  +
Hieracium lactucella +
yellow  +
Hieracium longiberbe +
yellow  +
Hieracium longipilum +
yellow  +
Hieracium megacephalon +
yellow  +
Hieracium murorum +
yellow  +
Hieracium nudicaule +
yellow  +
Hieracium paniculatum +
ochroleucous  +, yellow  +
Hieracium parryi +
yellow  +
Hieracium pilosella +
yellow  +
Hieracium piloselloides +
yellow  +
Hieracium pringlei +
yellow  +
Hieracium robinsonii +
yellow  +
Hieracium sabaudum +
yellow  +
Hieracium scabrum +
yellow  +
Hieracium schultzii +
yellow  +
Hieracium scouleri +
yellow  +
Hieracium traillii +
yellow  +
Hieracium triste +
yellow  +
Hieracium umbellatum +
yellow  +
Hieracium venosum +
yellow  +
Hieracium vulgatum +
yellow  +
Holmgrenanthe +
pale-yellow  +
Holmgrenanthe petrophila +
pale-yellow  +
Holocarpha +
yellow  +
Holocarpha heermannii +
yellow  +
Holocarpha macradenia +
yellow  +
Holocarpha obconica +
yellow  +
Holocarpha virgata +
yellow  +
Holocarpha virgata subsp. elongata +
yellow  +
Holocarpha virgata subsp. virgata +
yellow  +
Holozonia +
white  +, whitish  +
Holozonia filipes +
white  +, whitish  +
Hottonia inflata +
white  +
Howelliella +
creamy white  +, pale-pink  +
Howelliella ovata +
creamy white  +, pale-pink  +
Hulsea +
yellow  +, orange  +
Hulsea algida +
yellow  +, orange  +
Hulsea brevifolia +
yellow  +, orange  +
Hulsea californica +
yellow  +, orange  +
Hulsea heterochroma +
yellow  +, orange  +
Hulsea mexicana +
yellow  +, orange  +
Hulsea nana +
yellow  +, orange  +
Hulsea vestita +
yellow  +, orange  +
Hulsea vestita subsp. callicarpha +
yellow  +, orange  +
Hulsea vestita subsp. gabrielensis +
yellow  +, orange  +
Hulsea vestita subsp. inyoensis +
yellow  +, orange  +
Hulsea vestita subsp. parryi +
yellow  +, orange  +
Hulsea vestita subsp. pygmaea +
yellow  +, orange  +
Hulsea vestita subsp. vestita +
yellow  +, orange  +
Hulteniella +
yellow  +, white  +
Hulteniella integrifolia +
yellow  +, white  +
Hymenopappus +
usually yellow  +, ochroleucous or whitish  +
Hymenopappus artemisiifolius +
white  +, purplish or yellowish  +
Hymenopappus artemisiifolius var. artemisiifolius +
whitish  +, purplish  +
Hymenopappus artemisiifolius var. riograndensis +
yellowish  +, reddish  +
Hymenopappus biennis +
yellowish  +, white  +
Hymenopappus carrizoanus +
whitish  +
Hymenopappus filifolius +
whitish  +, yellowish  +
Hymenopappus filifolius var. cinereus +
whitish  +, yellowish  +
Hymenopappus filifolius var. eriopodus +
whitish  +
Hymenopappus filifolius var. filifolius +
yellowish  +
Hymenopappus filifolius var. idahoensis +
yellowish  +
Hymenopappus filifolius var. lugens +
whitish  +, yellowish  +
Hymenopappus filifolius var. luteus +
yellowish  +
Hymenopappus filifolius var. megacephalus +
yellowish  +
Hymenopappus filifolius var. nanus +
pale yellowish  +
Hymenopappus filifolius var. nudipes +
yellowish  +
Hymenopappus filifolius var. parvulus +
yellowish  +
Hymenopappus filifolius var. pauciflorus +
yellowish  +
Hymenopappus filifolius var. polycephalus +
yellowish  +
Hymenopappus filifolius var. tomentosus +
yellowish  +
Hymenopappus flavescens +
yellow  +
Hymenopappus flavescens var. canotomentosus +
yellow  +
Hymenopappus flavescens var. flavescens +
yellow  +
Hymenopappus mexicanus +
yellow  +
Hymenopappus newberryi +
yellowish  +, pinkish  +, white  +
Hymenopappus radiatus +
yellowish  +, white  +
Hymenopappus scabiosaeus +
whitish  +
Hymenopappus scabiosaeus var. corymbosus +
whitish  +
Hymenopappus scabiosaeus var. scabiosaeus +
whitish  +
Hymenopappus tenuifolius +
whitish  +
Hymenothrix +
whitish or pinkish  +, purplish  +
Hymenothrix loomisii +
creamy  +, bright-yellow  +
Hymenothrix wislizeni +
creamy  +, bright-yellow  +
Hymenothrix wrightii +
pinkish  +, purplish  +
Hymenoxys +
yellow  +, yellowbrown proximally  +
Hymenoxys ambigens +
yellow  +
Hymenoxys ambigens var. ambigens +
yellow  +
Hymenoxys ambigens var. floribunda +
yellow  +
Hymenoxys ambigens var. neomexicana +
yellow  +
Hymenoxys bigelovii +
yellow  +
Hymenoxys brachyactis +
yellow  +
Hymenoxys brandegeei +
yellow  +
Hymenoxys cooperi +
yellow  +
Hymenoxys grandiflora +
yellow  +
Hymenoxys helenioides +
yellow  +, yellow-orange  +
Hymenoxys hoopesii +
usually yellow-orange  +, orange  +
Hymenoxys jamesii +
yellow  +
Hymenoxys lemmonii +
yellow  +
Hymenoxys odorata +
yellow  +
Hymenoxys quinquesquamata +
yellow  +
Hymenoxys richardsonii +
yellow  +
Hymenoxys richardsonii var. floribunda +
yellow  +
Hymenoxys richardsonii var. richardsonii +
yellow  +
Hymenoxys rusbyi +
yellow  +
Hymenoxys subintegra +
yellow  +
Hymenoxys texana +
yellow  +
Hymenoxys vaseyi +
yellow  +
Hypochaeris +
white  +, reddish  +, grayish green  +, …, …
Hypochaeris chillensis +
yellow  +
Hypochaeris glabra +
white  +, yellowish  +
Hypochaeris microcephala +
white  +, reddish  +, grayish green  +, …, …
Hypochaeris microcephala var. albiflora +
white  +
Hypochaeris radicata +
grayish green  +, bright-yellow  +
I
Iliamna +
pinkish  +, rose-purple  +
Iliamna bakeri +
pinkish  +, rose-purple  +
Iliamna corei +
pinkish  +, rose-purple  +
Iliamna crandallii +
pinkish  +, rose-purple  +
Iliamna grandiflora +
pinkish  +, rose-purple  +
Iliamna latibracteata +
pinkish  +, rose-purple  +
Iliamna longisepala +
pinkish  +, rose-purple  +
Iliamna remota +
pinkish  +, rose-purple  +
Iliamna rivularis +
pinkish  +, rose-purple  +
Inula +
yellow  +
Inula britannica +
yellow  +
Inula helenium +
yellow  +
Inula salicina +
yellow  +
Ionactis +
yellow  +, white  +, violet  +, …
Ionactis alpina +
yellow  +, white  +, violet  +, …
Ionactis caelestis +
yellow  +, white  +, violet  +, …
Ionactis elegans +
yellow  +, white  +, violet  +, …
Ionactis linariifolia +
yellow  +, white  +, violet  +, …
Ionactis stenomeres +
yellow  +, white  +, violet  +, …
Ismelia +
distally red  +, purple  +
Ismelia carinata +
distally red  +, purple  +
Isocarpha +
pinkish  +, white  +
Isocarpha oppositifolia +
pinkish  +, white  +
Isocarpha oppositifolia var. achyranthes +
pinkish  +, white  +
Isocoma +
yellow  +
Isocoma acradenia +
yellow  +
Isocoma acradenia var. acradenia +
yellow  +
Isocoma acradenia var. bracteosa +
yellow  +
Isocoma acradenia var. eremophila +
yellow  +
Isocoma arguta +
yellow  +
Isocoma azteca +
yellow  +
Isocoma coronopifolia +
yellow  +
Isocoma drummondii +
yellow  +
Isocoma humilis +
yellow  +
Isocoma menziesii +
yellow  +
Isocoma menziesii var. decumbens +
yellow  +
Isocoma menziesii var. diabolica +
yellow  +
Isocoma menziesii var. menziesii +
yellow  +
Isocoma menziesii var. sedoides +
yellow  +
Isocoma menziesii var. vernonioides +
yellow  +
Isocoma pluriflora +
yellow  +
Isocoma rusbyi +
yellow  +
Isocoma tenuisecta +
yellow  +
Iva +
whitish  +, pinkish  +
Iva angustifolia +
whitish  +, pinkish  +
Iva annua +
whitish  +, pinkish  +
Iva axillaris +
whitish  +, pinkish  +
Iva frutescens +
whitish  +, pinkish  +
Iva hayesiana +
whitish  +, pinkish  +
Iva imbricata +
whitish  +, pinkish  +
Iva microcephala +
whitish  +, pinkish  +
Ixeris +
yellow  +
Ixeris stolonifera +
yellow  +
J
Jacquinia +
cream darkening  +, yellow  +
Jacquinia arborea +
cream darkening  +, yellow  +
Jacquinia keyensis +
cream darkening  +, yellow  +
Jamesianthus +
yellow  +
Jamesianthus alabamensis +
yellow  +
Jatropha canescens +
pinkish;grayish white  +
Jatropha cardiophylla +
light pink;white  +
Jatropha cathartica +
red  +
Jatropha cuneata +
white  +
Jatropha curcas +
greenish yellow  +
Jatropha dioica +
white;pinkish white  +
Jatropha dioica var. dioica +
white;pinkish white  +
Jatropha dioica var. graminea +
white;pinkish white  +
Jatropha gossypiifolia +
orange-red;purple  +
Jatropha integerrima +
bright red;scarlet or pink  +
Jatropha macrorhiza +
light pink  +
Jatropha multifida +
orange-red  +
Jaumea +
yellow  +
Jaumea carnosa +
yellow  +
Jefea +
yellow  +, orange  +
Jefea brevifolia +
yellow  +, orange  +
Jensia +
yellow  +
Jensia rammii +
yellow  +
Jensia yosemitana +
yellow  +
K
Kalanchoë blossfeldiana +
scarlet  +
Kalanchoë integra +
red-orange  +, yellow  +
Kalanchoë laciniata +
yellowish orange  +, yellow  +
Kalmia microphylla var. microphylla +
rose-purple  +
Kalmia microphylla var. occidentalis +
rose-purple  +
Kalmiopsis fragrans +
purple  +, deep pink  +
Kalmiopsis leachiana +
rose  +, deep pink  +
Keckiella +
purplish brown  +, brownish yellow  +, yellow  +, …, …
Keckiella antirrhinoides +
blackish  +, yellow  +
Keckiella antirrhinoides var. antirrhinoides +
blackish  +, yellow  +
Keckiella antirrhinoides var. microphylla +
blackish  +, yellow  +
Keckiella breviflora +
cream  +, white  +
Keckiella breviflora var. breviflora +
cream  +, white  +
Keckiella breviflora var. glabrisepala +
cream  +, white  +
Keckiella cordifolia +
red  +, reddish orange  +
Keckiella corymbosa +
pink  +, red  +
Keckiella lemmonii +
purplish brown  +
Keckiella rothrockii +
reddish brown-lined  +, cream  +, pale-yellow  +, …
Keckiella rothrockii var. jacintensis +
reddish brown-lined  +, cream  +, pale-yellow  +, …
Keckiella rothrockii var. rothrockii +
reddish brown-lined  +, cream  +, pale-yellow  +, …
Keckiella ternata +
red  +
Keckiella ternata var. septentrionalis +
red  +
Keckiella ternata var. ternata +
red  +
Kickxia +
tinged blue  +, violet  +
Kickxia elatine +
tinged blue  +, violet  +
Kickxia spuria +
tinged blue  +, violet  +
Koanophyllon +
whitish  +, pinkish  +
Koanophyllon palmeri +
white  +
Koanophyllon solidaginifolium +
purple-tinged  +, yellowish  +
Koanophyllon villosum +
pinkish white  +, white  +
Kopsiopsis +
yellow  +, purple  +, dark red  +
Kopsiopsis hookeri +
yellow  +, purple  +, dark red  +
Kopsiopsis strobilacea +
yellow  +, purple  +, dark red  +
Kosteletzkya +
white  +, pink  +
Kosteletzkya depressa +
white  +, pink  +
Kosteletzkya pentacarpos +
white  +, pink  +
Krapovickasia +
rose  +, white  +
Krapovickasia physaloides +
rose  +, white  +
Krigia +
yellow  +, orange  +
Krigia biflora +
yellow-orange  +, orange  +
Krigia cespitosa +
yellow  +
Krigia cespitosa var. cespitosa +
yellow  +
Krigia cespitosa var. gracilis +
yellow  +
Krigia dandelion +
purplish-tinged  +, yellow  +, yellow-orange  +
Krigia montana +
yellow  +
Krigia occidentalis +
yellow  +
Krigia virginica +
purplish  +, yellow  +
Krigia wrightii +
yellow  +
Kyhosia +
bright-yellow  +
Kyhosia bolanderi +
bright-yellow  +
L
Lactuca +
whitish  +, bluish  +, yellow  +
Lactuca biennis +
yellowish  +, whitish  +, bluish  +
Lactuca canadensis +
yellowish  +, bluish  +
Lactuca floridana +
whitish  +, bluish  +
Lactuca graminifolia +
bluish  +, purplish  +
Lactuca hirsuta +
bluish  +, yellow  +
Lactuca ludoviciana +
bluish  +, yellow  +
Lactuca saligna +
yellow  +
Lactuca sativa +
yellow  +
Lactuca serriola +
yellow  +
Lactuca virosa +
yellow  +
Lagascea +
yellow  +
Lagascea decipiens +
yellow  +
Lagascea decipiens var. decipiens +
yellow  +
Lagenaria siceraria subsp. siceraria +
pale-yellow  +, cream  +, white  +
Lagophylla +
yellow  +
Lagophylla dichotoma +
yellow  +
Lagophylla glandulosa +
yellow  +
Lagophylla minor +
yellow  +
Lagophylla ramosissima +
yellow  +
Lagotis +
blue  +
Lagotis glauca +
blue  +
Lagotis glauca subsp. glauca +
blue  +
Lagotis glauca subsp. lanceolata +
blue  +
Lagunaria +
fading white  +, pink  +, rose-pink  +
Lagunaria patersonia +
fading white  +, pink  +, rose-pink  +
Lapsana +
yellow  +
Lapsana communis +
yellow  +
Lapsanastrum +
yellow  +
Lapsanastrum apogonoides +
yellow  +
Lasianthaea +
yellow  +, orange  +
Lasianthaea podocephala +
yellow  +, orange  +
Lasthenia +
yellow  +, orangish  +
Lasthenia burkei +
yellow  +, orangish  +
Lasthenia californica +
yellow  +, orangish  +
Lasthenia californica subsp. bakeri +
yellow  +, orangish  +
Lasthenia californica subsp. californica +
yellow  +, orangish  +
Lasthenia californica subsp. macrantha +
yellow  +, orangish  +
Lasthenia chrysantha +
yellow  +, orangish  +
Lasthenia conjugens +
yellow  +, orangish  +
Lasthenia coronaria +
yellow  +, orangish  +
Lasthenia debilis +
yellow  +, orangish  +
Lasthenia ferrisiae +
yellow  +, orangish  +
Lasthenia fremontii +
yellow  +, orangish  +
Lasthenia glaberrima +
yellow  +, orangish  +
Lasthenia glabrata +
yellow  +, orangish  +
Lasthenia glabrata subsp. coulteri +
yellow  +, orangish  +
Lasthenia glabrata subsp. glabrata +
yellow  +, orangish  +
Lasthenia gracilis +
yellow  +, orangish  +
Lasthenia leptalea +
yellow  +, orangish  +
Lasthenia maritima +
yellow  +, orangish  +
Lasthenia microglossa +
yellow  +, orangish  +
Lasthenia minor +
yellow  +, orangish  +
Lasthenia ornduffii +
yellow  +, orangish  +
Lasthenia platycarpha +
yellow  +, orangish  +
Lasthenia sect. Amphiachaenia +
yellow  +, orangish  +
Lasthenia sect. Burrielia +
yellow  +, orangish  +
Lasthenia sect. Hologymne +
yellow  +, orangish  +
Lasthenia sect. Lasthenia +
yellow  +, orangish  +
Lasthenia sect. Ornduffia +
yellow  +, orangish  +
Lasthenia sect. Platycarpha +
yellow  +, orangish  +
Lasthenia sect. Ptilomeris +
yellow  +, orangish  +
Launaea +
yellow  +, ochroleucous  +
Launaea intybacea +
yellow  +, ochroleucous  +
Lavatera +
purple  +, white  +, rose-pink  +
Lavatera olbia +
purple  +, white  +, rose-pink  +
Lavatera thuringiaca +
purple  +, white  +, rose-pink  +
Lavatera trimestris +
purple  +, white  +, rose-pink  +
Layia +
yellow  +, bicolored  +, white  +, …
Layia carnosa +
yellow  +, bicolored  +, white  +, …
Layia chrysanthemoides +
yellow  +, bicolored  +, white  +, …
Layia discoidea +
yellow  +, bicolored  +, white  +, …
Layia fremontii +
yellow  +, bicolored  +, white  +, …
Layia gaillardioides +
yellow  +, bicolored  +, white  +, …
Layia glandulosa +
yellow  +, bicolored  +, white  +, …
Layia heterotricha +
yellow  +, bicolored  +, white  +, …
Layia hieracioides +
yellow  +, bicolored  +, white  +, …
Layia jonesii +
yellow  +, bicolored  +, white  +, …
Layia leucopappa +
yellow  +, bicolored  +, white  +, …
Layia munzii +
yellow  +, bicolored  +, white  +, …
Layia pentachaeta +
yellow  +, bicolored  +, white  +, …
Layia pentachaeta subsp. albida +
yellow  +, bicolored  +, white  +, …
Layia pentachaeta subsp. pentachaeta +
yellow  +, bicolored  +, white  +, …
Layia platyglossa +
yellow  +, bicolored  +, white  +, …
Layia septentrionalis +
yellow  +, bicolored  +, white  +, …
Laënnecia +
yellowish  +
Laënnecia coulteri +
yellowish  +
Laënnecia eriophylla +
yellowish  +
Laënnecia filaginoides +
yellowish  +
Laënnecia schiedeana +
yellowish  +
Laënnecia sophiifolia +
yellowish  +
Laënnecia turnerorum +
yellowish  +
Leibnitzia +
whitish  +, usually pinkish  +, purplish  +
Leibnitzia lyrata +
whitish  +, usually pinkish  +, purplish  +
Leontodon +
yellow  +, orange  +
Leontodon autumnalis +
yellow  +
Leontodon hispidus +
reddish  +, orange  +, bright-yellow  +
Leontodon saxatilis +
bright-yellow  +, grayish yellow  +
Leontodon saxatilis subsp. longirostris +
bright-yellow  +, grayish yellow  +
Leontodon saxatilis subsp. saxatilis +
bright-yellow  +, grayish yellow  +
Lepidospartum +
pale  +, bright-yellow  +
Lepidospartum burgessii +
pale  +, bright-yellow  +
Lepidospartum latisquamum +
pale  +, bright-yellow  +
Lepidospartum squamatum +
pale  +, bright-yellow  +
Lessingia +
yellow  +, lavender  +, pink  +, …
Lessingia arachnoidea +
pink  +, lavender  +
Lessingia germanorum +
yellow  +
Lessingia glandulifera +
yellow  +
Lessingia glandulifera var. glandulifera +
yellow  +
Lessingia glandulifera var. peirsonii +
yellow  +
Lessingia glandulifera var. tomentosa +
yellow  +
Lessingia hololeuca +
yellow  +, lavender  +, pink  +, …
Lessingia leptoclada +
yellow  +, lavender  +, pink  +, …
Lessingia micradenia +
white  +, pale lavender  +
Lessingia micradenia var. glabrata +
white  +, pale lavender  +
Lessingia micradenia var. micradenia +
white  +, pale lavender  +
Lessingia nana +
pale lavender  +, white  +
Lessingia nemaclada +
pale lavender  +, white  +
Lessingia pectinata +
yellow  +
Lessingia pectinata var. pectinata +
yellow  +
Lessingia pectinata var. tenuipes +
yellow  +
Lessingia ramulosa +
yellow  +, lavender  +, pink  +, …
Lessingia tenuis +
yellow  +
Lessingia virgata +
pale lavender  +, white  +
Leucanthemella +
reddish  +, yellow  +, white  +
Leucanthemella serotina +
reddish  +, yellow  +, white  +
Leucanthemum +
yellow  +, white  +
Leucanthemum lacustre +
yellow  +, white  +
Leucanthemum maximum +
yellow  +, white  +
Leucanthemum vulgare +
yellow  +, white  +
Leuciva +
whitish  +
Leuciva dealbata +
whitish  +
Leucophyllum +
white  +, purplish lavender  +, violet or blue  +
Leucophyllum candidum +
dark  +, light violet-purple  +
Leucophyllum frutescens +
white  +, rose-pink  +, pink  +, …, …
Leucophyllum minus +
white  +, lavender  +, purple or blue  +
Leucospora +
pale blue  +, pale lavender  +
Leucospora multifida +
pale blue  +, pale lavender  +
Liatris +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris acidota +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris aestivalis +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris aspera +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris bracteata +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris chapmanii +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris cokeri +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris compacta +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris cylindracea +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris cymosa +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris elegans +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris elegans var. bridgesii +
creamy white  +
Liatris elegans var. carizzana +
creamy white  +
Liatris elegans var. elegans +
creamy white  +
Liatris elegans var. kralii +
white  +
Liatris elegantula +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris garberi +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris gholsonii +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris glandulosa +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris gracilis +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris helleri +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris hirsuta +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris laevigata +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris lancifolia +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris ligulistylis +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris microcephala +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris ohlingerae +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris oligocephala +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris patens +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris pauciflora +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris pauciflora var. pauciflora +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris pauciflora var. secunda +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris pilosa +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris provincialis +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris punctata +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris punctata var. mexicana +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris punctata var. mucronata +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris punctata var. punctata +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris pycnostachya +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris pycnostachya var. lasiophylla +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris pycnostachya var. pycnostachya +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris savannensis +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris scariosa +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris scariosa var. nieuwlandii +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris scariosa var. novaeangliae +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris scariosa var. scariosa +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris spicata +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris spicata var. resinosa +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris spicata var. spicata +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris squarrosa +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris squarrosa var. glabrata +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris squarrosa var. squarrosa +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris squarrulosa +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris tenuifolia +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris tenuis +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Liatris virgata +
white  +, usually lavender  +, dark magenta or pinkish purple  +
Ligularia +
brownish  +, orange-yellow  +, orange  +
Ligularia dentata +
brownish  +, orange-yellow  +, orange  +
Limnophila +
white  +, blue-purple  +, blue  +
Limnophila indica +
white  +, blue-purple  +, blue  +
Limnophila sessiliflora +
white  +, blue-purple  +, blue  +
Limosella +
lavender  +, pale-purple  +, pink  +, …
Limosella aquatica +
pale-purple  +, white  +, pink  +
Limosella australis +
white  +, pale lavender  +
Linaria +
white  +, yellow  +, red  +, …, …
Linaria bipartita +
violet  +, mauve  +, purple  +
Linaria dalmatica +
pale  +, bright-yellow  +
Linaria dalmatica subsp. dalmatica +
pale  +, bright-yellow  +
Linaria dalmatica subsp. macedonica +
pale  +, bright-yellow  +
Linaria genistifolia +
white  +, yellow  +, red  +, …, …
Linaria genistifolia subsp. genistifolia +
pale  +, bright-yellow  +
Linaria grandiflora +
pale  +, bright-yellow  +
Linaria maroccana +
red  +, purple  +
Linaria purpurea +
violet  +, purple  +
Linaria repens +
pale lilac  +, white  +
Linaria spartea +
yellow  +
Linaria triornithophora +
white  +, pink  +, reddish purple  +, …, …
Linaria vulgaris +
bright-yellow  +, pale-yellow  +, white  +
Lindernia +
blue  +, violet  +, punct  +, …, …
Lindernia antipoda +
pink  +, lavender  +, white  +
Lindernia ciliata +
lavender  +, pink  +, white  +
Lindernia crustacea +
blue  +, violet  +, punct  +, …, …
Lindernia dubia +
blue  +, violet  +, punct  +, …, …
Lindernia grandiflora +
blue  +, violet  +, punct  +, …, …
Lindernia monticola +
blue  +, violet  +, punct  +, …, …
Lindheimera +
yellow  +, brownish  +
Lindheimera texana +
yellow  +, brownish  +
Littorella +
semitransparent  +
Littorella americana +
semitransparent  +
Logfia +
red-tipped  +, purplish  +, yellow  +, …
Logfia arizonica +
red-tipped  +, purplish  +, yellow  +, …
Logfia arvensis +
red-tipped  +, purplish  +, yellow  +, …
Logfia depressa +
red-tipped  +, purplish  +, yellow  +, …
Logfia filaginoides +
red-tipped  +, purplish  +, yellow  +, …
Logfia gallica +
red-tipped  +, purplish  +, yellow  +, …
Logfia minima +
red-tipped  +, purplish  +, yellow  +, …
Lorandersonia +
pale  +, dark yellow  +
Lorandersonia baileyi +
pale  +, dark yellow  +
Lorandersonia linifolia +
pale  +, dark yellow  +
Lorandersonia microcephala +
pale  +, dark yellow  +
Lorandersonia peirsonii +
pale  +, dark yellow  +
Lorandersonia pulchella +
pale  +, dark yellow  +
Lorandersonia salicina +
pale  +, dark yellow  +
Lorandersonia spathulata +
pale  +, dark yellow  +
Luina +
creamy  +, bright-yellow  +
Luina hypoleuca +
pale-yellow  +
Luina serpentina +
yellow  +
Lygodesmia +
white  +, usually pink  +, lavender or purple  +
Lygodesmia aphylla +
pink  +, lavender or blue  +
Lygodesmia grandiflora +
white  +, rose  +, purple  +, …, …
Lygodesmia grandiflora var. arizonica +
pale-pink  +, white  +
Lygodesmia grandiflora var. dianthopsis +
purple  +, lavender or white  +
Lygodesmia grandiflora var. doloresensis +
white  +, rose  +, lavender  +
Lygodesmia grandiflora var. entrada +
white  +
Lygodesmia grandiflora var. grandiflora +
pink  +, lavender  +
Lygodesmia juncea +
white  +, usually light pink  +, lavender  +
Lygodesmia ramosissima +
white  +, usually pink  +, lavender or purple  +
Lygodesmia texana +
white  +, lavender  +, purple  +, …
Lyonia ferruginea +
white  +
Lyonia fruticosa +
white  +
Lyonia ligustrina +
white  +
Lyonia ligustrina var. foliosiflora +
white  +
Lyonia ligustrina var. ligustrina +
white  +
Lyonia lucida +
red  +, white  +, pink  +
Lyonia mariana +
pink  +, white  +
Lysimachia +
brownish violet;red;maroon;brown;punct;white and sometimes darkly streaked variously black;yellow;brownish violet;red;maroon;brown;punct;white and sometimes darkly streaked variously black;yellow;brownish violet;red;maroon;brown;punct;white and sometimes darkly streaked variously black;yellow;brownish violet;red;maroon;brown;punct;white and sometimes darkly streaked variously black;yellow  +
Lysimachia asperulifolia +
streaked;yellow  +
Lysimachia ciliata +
not streaked;yellow  +
Lysimachia clethroides +
not streaked;white  +
Lysimachia fraseri +
not streaked;yellow  +
Lysimachia graminea +
not streaked;yellow  +
Lysimachia hybrida +
not streaked;yellow  +
Lysimachia japonica +
not streaked;yellow  +
Lysimachia lanceolata +
not streaked;yellow  +
Lysimachia loomisii +
streaked;yellow  +
Lysimachia maritima +
brownish violet;red;maroon;brown;punct;white and sometimes darkly streaked variously black;yellow;brownish violet;red;maroon;brown;punct;white and sometimes darkly streaked variously black;yellow;brownish violet;red;maroon;brown;punct;white and sometimes darkly streaked variously black;yellow;brownish violet;red;maroon;brown;punct;white and sometimes darkly streaked variously black;yellow  +
Lysimachia nummularia +
streaked;yellow  +
Lysimachia punctata +
not streaked;yellow  +
Lysimachia quadriflora +
streaked;yellow  +
Lysimachia quadrifolia +
yellow  +
Lysimachia radicans +
streaked;yellow  +
Lysimachia terrestris +
streaked;yellow  +
Lysimachia thyrsiflora +
streaked;light yellow  +
Lysimachia tonsa +
not streaked;yellow  +
Lysimachia vulgaris +
not streaked;yellow  +
Lysimachia ×producta +
streaked;yellow  +
M
Mabrya +
ochroleucous  +, yellow  +
Mabrya acerifolia +
ochroleucous  +, yellow  +
Machaeranthera +
yellow  +, purple  +, violet  +, …
Machaeranthera tagetina +
yellow  +, purple  +, violet  +, …
Machaeranthera tanacetifolia +
yellow  +, purple  +, violet  +, …
Macranthera +
bright orange  +
Macranthera flammea +
bright orange  +
Madia +
purplish  +, yellow  +, yellowish  +
Madia anomala +
greenish yellow  +
Madia citrigracilis +
greenish yellow  +, pale-yellow  +
Madia citriodora +
greenish yellow  +
Madia elegans +
bright-yellow  +
Madia exigua +
pale-yellow  +
Madia glomerata +
greenish yellow  +, purplish  +
Madia gracilis +
greenish yellow  +, lemon yellow  +
Madia radiata +
golden yellow  +
Madia sativa +
purplish red  +, sometimes  +, greenish yellow  +
Madia subspicata +
pale-yellow  +
Malachra +
yellow  +
Malachra capitata +
yellow  +
Malachra urens +
yellow  +
Malacothamnus +
white  +, usually rose  +, pale-pink pinkish mauve or mauve  +
Malacothamnus abbottii +
white  +, usually rose  +, pale-pink pinkish mauve or mauve  +
Malacothamnus aboriginum +
white  +, usually rose  +, pale-pink pinkish mauve or mauve  +
Malacothamnus clementinus +
white  +, usually rose  +, pale-pink pinkish mauve or mauve  +
Malacothamnus davidsonii +
white  +, usually rose  +, pale-pink pinkish mauve or mauve  +
Malacothamnus densiflorus +
white  +, usually rose  +, pale-pink pinkish mauve or mauve  +
Malacothamnus fasciculatus +
white  +, usually rose  +, pale-pink pinkish mauve or mauve  +
Malacothamnus fremontii +
white  +, usually rose  +, pale-pink pinkish mauve or mauve  +
Malacothamnus jonesii +
white  +, usually rose  +, pale-pink pinkish mauve or mauve  +
Malacothamnus marrubioides +
white  +, usually rose  +, pale-pink pinkish mauve or mauve  +
Malacothamnus palmeri +
white  +, usually rose  +, pale-pink pinkish mauve or mauve  +
Malacothrix +
white  +, yellow  +
Malacothrix californica +
white  +, usually yellow  +, pale-yellow  +
Malacothrix clevelandii +
pale-yellow  +
Malacothrix coulteri +
white  +, pale-yellow  +
Malacothrix fendleri +
yellow  +
Malacothrix floccifera +
yellow  +, white  +
Malacothrix foliosa +
light  +, medium yellow  +
Malacothrix foliosa subsp. crispifolia +
yellow  +
Malacothrix foliosa subsp. foliosa +
light yellow  +
Malacothrix foliosa subsp. philbrickii +
yellow  +
Malacothrix foliosa subsp. polycephala +
yellow  +
Malacothrix glabrata +
white  +, pale-yellow  +
Malacothrix incana +
yellow  +
Malacothrix indecora +
yellow  +
Malacothrix junakii +
yellow  +
Malacothrix phaeocarpa +
white  +
Malacothrix saxatilis +
white  +
Malacothrix saxatilis var. arachnoidea +
white  +
Malacothrix saxatilis var. commutata +
white  +
Malacothrix saxatilis var. implicata +
white  +
Malacothrix saxatilis var. saxatilis +
white  +
Malacothrix saxatilis var. tenuifolia +
white  +
Malacothrix similis +
yellow  +
Malacothrix sonchoides +
lemon yellow  +
Malacothrix sonorae +
pale-yellow  +, white  +
Malacothrix squalida +
light yellow  +
Malacothrix stebbinsii +
white  +, yellow  +
Malacothrix torreyi +
yellow  +
Malperia +
white  +
Malperia tenuis +
white  +
Malvastrum +
yellow  +, yellow-orange  +
Malvastrum americanum +
orange-yellow  +
Malvastrum aurantiacum +
golden yellow  +, pale orange-yellow  +
Malvastrum bicuspidatum +
yellow  +, orange-yellow  +
Malvastrum corchorifolium +
yellow  +, pale yellow-orange  +
Malvastrum coromandelianum +
yellow  +, yellow-orange  +
Malvastrum hispidum +
yellow  +, pale yellow-orange  +
Malvella +
rose  +, fading pale  +, pale-yellow  +, …
Malvella lepidota +
rose  +, fading pale  +, pale-yellow  +, …
Malvella leprosa +
rose  +, fading pale  +, pale-yellow  +, …
Malvella sagittifolia +
rose  +, fading pale  +, pale-yellow  +, …
Mantisalca +
white  +, cyanic  +, yellow  +, …
Mantisalca salmantica +
white  +, cyanic  +, yellow  +, …
Marah fabacea +
yellowish green  +, cream-yellow or white  +
Marah gilensis +
white  +
Marah guadalupensis +
white  +
Marah horrida +
white  +
Marah macrocarpa +
white  +
Marah oregana +
greenish  +, usually white  +, cream  +
Marah watsonii +
white  +
Maranta +
white  +
Maranta arundinacea +
white  +
Marshallia +
white  +, purple  +, pink  +, …
Marshallia caespitosa +
pale lavender  +, white  +
Marshallia graminifolia +
white  +, usually pale lavender  +, purple  +
Marshallia grandiflora +
pink  +
Marshallia mohrii +
pink  +
Marshallia obovata +
white  +
Marshallia ramosa +
pale lavender  +, white  +
Marshallia trinervia +
pink  +
Matricaria +
yellow  +, greenish yellow or yellowish green  +
Matricaria chamomilla +
yellow  +, greenish yellow  +
Matricaria discoidea +
greenish yellow  +
Matricaria occidentalis +
greenish yellow  +
Maurandella +
blue  +, violet pink or red  +
Maurandella antirrhiniflora +
blue  +, violet pink or red  +
Mauranthemum +
yellow  +, white  +
Mauranthemum paludosum +
yellow  +, white  +
Mazus +
white;white;purplish;violet  +
Mazus miquelii +
white;white;purplish;violet  +
Mazus pumilus +
white;white;purplish;violet  +
Mecardonia +
lemon yellow  +, white  +
Mecardonia acuminata +
white  +
Mecardonia acuminata var. acuminata +
white  +
Mecardonia acuminata var. microphylla +
white  +
Mecardonia acuminata var. peninsularis +
white  +
Mecardonia procumbens +
lemon yellow  +
Melampodium +
orange  +, yellow  +, ochroleucous  +, …, …
Melampodium appendiculatum +
yellow-orange  +
Melampodium cinereum +
cream-white  +
Melampodium divaricatum +
yellow-orange  +
Melampodium leucanthum +
cream-white  +
Melampodium longicorne +
yellow  +
Melampodium perfoliatum +
yellow-orange  +
Melampodium strigosum +
yellow  +
Melampyrum +
tinged with pink  +, white  +
Melampyrum lineare +
tinged with pink  +, white  +
Melanthera +
white  +
Melanthera angustifolia +
white  +
Melanthera nivea +
white  +
Melanthera parvifolia +
white  +
Menziesia ferruginea +
,  +, yellowish tinged with red or yellowish tinged with bronze  +, greenish  +
Menziesia pilosa +
tinged with red  +, greenish red  +, yellowish white  +
Meximalva +
dark purple  +
Meximalva filipes +
dark purple  +
Micranthemum +
white  +
Micranthemum glomeratum +
white  +
Micranthemum micranthemoides +
white  +
Micranthemum umbrosum +
white  +
Micropsis +
red-tipped  +, purplish  +, yellow  +, …
Micropsis dasycarpa +
red-tipped  +, purplish  +, yellow  +, …
Micropus +
red-tipped  +, purplish  +, yellow  +, …
Micropus amphibolus +
red-tipped  +, purplish  +, yellow  +, …
Micropus californicus +
red-tipped  +, purplish  +, yellow  +, …
Micropus californicus var. californicus +
red-tipped  +, purplish  +, yellow  +, …
Micropus californicus var. subvestitus +
red-tipped  +, purplish  +, yellow  +, …
Microseris +
purplish  +, yellow  +, orange or white  +
Microseris acuminata +
yellow  +
Microseris bigelovii +
orange  +, yellow  +
Microseris borealis +
yellow-orange  +
Microseris campestris +
white  +, yellow  +
Microseris douglasii +
white  +, yellow  +
Microseris douglasii subsp. douglasii +
white  +, yellow  +
Microseris douglasii subsp. platycarpha +
white  +, yellow  +
Microseris douglasii subsp. tenella +
white  +, yellow  +
Microseris elegans +
orange  +, yellow  +
Microseris howellii +
yellow  +
Microseris laciniata +
yellow  +
Microseris laciniata subsp. detlingii +
yellow  +
Microseris laciniata subsp. laciniata +
yellow  +
Microseris laciniata subsp. leptosepala +
yellow  +
Microseris laciniata subsp. siskiyouensis +
yellow  +
Microseris nutans +
yellow  +
Microseris paludosa +
yellow-orange  +
Microseris sylvatica +
yellow  +
Mikania +
pink  +, rose or purplish  +
Mikania batatifolia +
white  +
Mikania cordifolia +
white  +
Mikania scandens +
white  +, usually pinkish  +, purplish  +
Mimetanthe +
purple spots;yellow  +
Mimetanthe pilosa +
purple spots;yellow  +
Mimulus +
white;blue;violet purplish or light pink  +
Mimulus alatus +
white;blue;light violet or pinkish  +
Mimulus ringens +
purplish blue;light blue or pinkish or nearly white  +
Mimulus ringens var. colpophilus +
purplish blue;light blue or pinkish or nearly white  +
Mimulus ringens var. ringens +
purplish blue;light blue or pinkish or nearly white  +
Misopates +
white  +, purple  +, pink  +
Misopates orontium +
white  +, purple  +, pink  +
Misopates orontium subsp. orontium +
white  +, purple  +, pink  +
Modiola +
brick-red  +, salmon-orange  +
Modiola caroliniana +
brick-red  +, salmon-orange  +
Mohavea +
white  +, yellow  +
Mohavea breviflora +
spotted with maroon  +, yellow  +
Mohavea confertiflora +
pale-yellow  +, white  +
Monolopia +
yellow  +, orange  +
Monolopia congdonii +
yellow  +, orange  +
Monolopia gracilens +
yellow  +
Monolopia lanceolata +
yellow  +
Monolopia major +
cream  +, yellow  +
Monolopia stricta +
yellow  +
Monoptilon +
yellow  +, purple-tinged  +, rose  +, …
Monoptilon bellidiforme +
yellow  +, purple-tinged  +, rose  +, …
Monoptilon bellioides +
yellow  +, purple-tinged  +, rose  +, …
Mulgedium +
bluish  +
Mulgedium pulchellum +
bluish  +
Munzothamnus +
rosy  +, purplish  +
Munzothamnus blairii +
rosy  +, purplish  +
Mycelis +
yellow  +
Mycelis muralis +
yellow  +
Myoporum +
spotted with purple  +, white  +
Myoporum acuminatum +
purple spots  +, white  +
Myoporum laetum +
purple spots  +, white  +
Myoporum parvifolium +
purple-spotted  +, white  +
Myrsine +
green;white or pink  +
Myrsine cubana +
green;white or pink  +
N
Napaea +
white  +
Napaea dioica +
white  +
Neogaerrhinum +
yellow  +, purple  +
Neogaerrhinum filipes +
yellow  +
Neogaerrhinum strictum +
lavender  +, purple  +
Neonesomia +
white  +, pale yellow  +
Neonesomia palmeri +
white  +, pale yellow  +
Nestotus +
yellow  +
Nestotus macleanii +
yellow  +
Nestotus stenophyllus +
yellow  +
Nicolletia +
whitish  +, purplish  +, yellow  +
Nicolletia edwardsii +
yellow  +
Nicolletia occidentalis +
yellow  +
Nipponanthemum +
yellow  +, white  +
Nipponanthemum nipponicum +
yellow  +, white  +
Nothocalaïs +
reddish  +, yellow  +
Nothocalaïs alpestris +
reddish  +, yellow  +
Nothocalaïs cuspidata +
reddish  +, yellow  +
Nothocalaïs nigrescens +
reddish  +, yellow  +
Nothocalaïs troximoides +
reddish  +, yellow  +
Nothochelone +
paler  +, pinkish  +, bluish purple or maroon-red  +
Nothochelone nemorosa +
paler  +, pinkish  +, bluish purple or maroon-red  +
Nuttallanthus +
white  +, blue or pale violet  +
Nuttallanthus canadensis +
white  +, blue  +
Nuttallanthus floridanus +
blue  +
Nuttallanthus texanus +
blue  +, pale violet  +
O
Oclemena +
pinkish yellow  +, pale  +, pink  +, …
Oclemena acuminata +
pinkish  +, white  +
Oclemena nemoralis +
white  +, pale  +, deep pink  +
Oclemena reticulata +
white  +, pinkish  +
Oclemena ×blakei +
white  +, pink  +
Odontites +
purple  +, pink  +
Odontites vulgaris +
purple  +, pink  +
Omalotheca +
reddish  +, purplish  +, whitish  +
Omalotheca norvegica +
reddish  +, purplish  +, whitish  +
Omalotheca supina +
reddish  +, purplish  +, whitish  +
Omalotheca sylvatica +
reddish  +, purplish  +, whitish  +
Oncosiphon +
yellow  +
Oncosiphon piluliferum +
yellow  +
Onopordum +
purple  +, white  +
Onopordum acanthium +
purple  +, white  +
Onopordum acanthium subsp. acanthium +
white  +, purple  +
Onopordum illyricum +
purple  +, white  +
Onopordum tauricum +
purplish-pink  +
Oreochrysum +
yellow  +
Oreochrysum parryi +
yellow  +
Oreostemma +
yellowish  +, blue  +, purple  +
Oreostemma alpigenum +
yellowish  +, blue  +, purple  +
Oreostemma alpigenum var. alpigenum +
yellowish  +, blue  +, purple  +
Oreostemma alpigenum var. andersonii +
yellowish  +, blue  +, purple  +
Oreostemma alpigenum var. haydenii +
yellowish  +, blue  +, purple  +
Oreostemma elatum +
yellowish  +, blue  +, purple  +
Oreostemma peirsonii +
yellowish  +, blue  +, purple  +
Orobanche +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche arizonica +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche bulbosa +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche californica +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche californica subsp. californica +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche californica subsp. condensa +
sordid white  +, yellowish  +
Orobanche californica subsp. feudgei +
pinkish tinged  +, yellow  +, pallid  +
Orobanche californica subsp. grandis +
reddish-brown  +, pallid  +, pinkish tinged  +
Orobanche californica subsp. grayana +
pale lavender  +, pallid  +, pinkish  +
Orobanche californica subsp. jepsonii +
purplish  +, rose  +, whitish  +, …
Orobanche cooperi +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche cooperi subsp. cooperi +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche cooperi subsp. latiloba +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche cooperi subsp. palmeri +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche corymbosa +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche corymbosa subsp. corymbosa +
purple  +, pink  +, rose  +
Orobanche corymbosa subsp. mutabilis +
white  +, pale-purple  +, pink  +, …
Orobanche fasciculata +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche ludoviciana +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche minor +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche multiflora +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche parishii +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche parishii subsp. brachyloba +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche parishii subsp. parishii +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche pinorum +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche ramosa +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche riparia +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche robbinsii +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche uniflora +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche uniflora subsp. occidentalis +
purple  +, blue yellow or white  +
Orobanche uniflora subsp. uniflora +
tinged  +, pale purplish  +, white  +, …
Orobanche valida +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche valida subsp. howellii +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche valida subsp. valida +
pallid  +, tinged pink  +, purple yellow or blue  +
Orobanche vallicola +
pallid  +, tinged pink  +, purple yellow or blue  +
Orochaenactis +
yellow  +
Orochaenactis thysanocarpha +
yellow  +
Orthocarpus +
white  +, yellow  +, purple-pink  +
Orthocarpus barbatus +
white  +, yellow  +, purple-pink  +
Orthocarpus bracteosus +
white  +, yellow  +, purple-pink  +
Orthocarpus cuspidatus +
white  +, yellow  +, purple-pink  +
Orthocarpus cuspidatus subsp. copelandii +
white  +, yellow  +, purple-pink  +
Orthocarpus cuspidatus subsp. cryptanthus +
white  +, yellow  +, purple-pink  +
Orthocarpus cuspidatus subsp. cuspidatus +
white  +, yellow  +, purple-pink  +
Orthocarpus imbricatus +
white  +, yellow  +, purple-pink  +
Orthocarpus luteus +
white  +, yellow  +, purple-pink  +
Orthocarpus pachystachyus +
white  +, yellow  +, purple-pink  +
Orthocarpus purpureoalbus +
white  +, yellow  +, purple-pink  +
Orthocarpus tenuifolius +
white  +, yellow  +, purple-pink  +
Orthocarpus tolmiei +
white  +, yellow  +, purple-pink  +
Orthocarpus tolmiei subsp. holmgreniorum +
purple-pink  +
Orthocarpus tolmiei subsp. tolmiei +
yellow  +
Osmadenia +
white  +
Osmadenia tenella +
white  +
Osteospermum +
purplish  +, yellow  +, whitish  +, …
Osteospermum ecklonis +
purplish  +, cream  +, pink or salmon adaxially whitish  +
Osteospermum spinescens +
yellow  +, orange  +
Oxytenia +
whitish  +
Oxytenia acerosa +
whitish  +
Oönopsis +
yellow  +
Oönopsis engelmannii +
yellow  +
Oönopsis foliosa +
yellow  +
Oönopsis foliosa var. foliosa +
yellow  +
Oönopsis foliosa var. monocephala +
yellow  +
Oönopsis multicaulis +
yellow  +
Oönopsis wardii +
yellow  +
P
Packera +
pale-yellow  +, deep orange-red  +
Packera anonyma +
pale-yellow  +, deep orange-red  +
Packera antennariifolia +
pale-yellow  +, deep orange-red  +
Packera aurea +
pale-yellow  +, deep orange-red  +
Packera bernardina +
pale-yellow  +, deep orange-red  +
Packera bolanderi +
pale-yellow  +, deep orange-red  +
Packera bolanderi var. bolanderi +
pale-yellow  +, deep orange-red  +
Packera bolanderi var. harfordii +
pale-yellow  +, deep orange-red  +
Packera breweri +
pale-yellow  +, deep orange-red  +
Packera cana +
pale-yellow  +, deep orange-red  +
Packera cardamine +
pale-yellow  +, deep orange-red  +
Packera castoreus +
pale-yellow  +, deep orange-red  +
Packera clevelandii +
pale-yellow  +, deep orange-red  +
Packera contermina +
pale-yellow  +, deep orange-red  +
Packera crocata +
pale-yellow  +, deep orange-red  +
Packera cymbalaria +
pale-yellow  +, deep orange-red  +
Packera cynthioides +
pale-yellow  +, deep orange-red  +
Packera debilis +
pale-yellow  +, deep orange-red  +
Packera dimorphophylla +
pale-yellow  +, deep orange-red  +
Packera dimorphophylla var. dimorphophylla +
pale-yellow  +, deep orange-red  +
Packera dimorphophylla var. intermedia +
pale-yellow  +, deep orange-red  +
Packera dimorphophylla var. paysonii +
pale-yellow  +, deep orange-red  +
Packera eurycephala +
pale-yellow  +, deep orange-red  +
Packera eurycephala var. eurycephala +
pale-yellow  +, deep orange-red  +
Packera eurycephala var. lewisrosei +
pale-yellow  +, deep orange-red  +
Packera fendleri +
pale-yellow  +, deep orange-red  +
Packera flettii +
pale-yellow  +, deep orange-red  +
Packera franciscana +
pale-yellow  +, deep orange-red  +
Packera ganderi +
pale-yellow  +, deep orange-red  +
Packera glabella +
pale-yellow  +, deep orange-red  +
Packera greenei +
pale-yellow  +, deep orange-red  +
Packera hartiana +
pale-yellow  +, deep orange-red  +
Packera hesperia +
pale-yellow  +, deep orange-red  +
Packera hyperborealis +
pale-yellow  +, deep orange-red  +
Packera indecora +
pale-yellow  +, deep orange-red  +
Packera ionophylla +
pale-yellow  +, deep orange-red  +
Packera layneae +
pale-yellow  +, deep orange-red  +
Packera macounii +
pale-yellow  +, deep orange-red  +
Packera malmstenii +
pale-yellow  +, deep orange-red  +
Packera millefolium +
pale-yellow  +, deep orange-red  +
Packera millelobata +
pale-yellow  +, deep orange-red  +
Packera multilobata +
pale-yellow  +, deep orange-red  +
Packera musiniensis +
pale-yellow  +, deep orange-red  +
Packera neomexicana +
pale-yellow  +, deep orange-red  +
Packera neomexicana var. mutabilis +
pale-yellow  +, deep orange-red  +
Packera neomexicana var. neomexicana +
pale-yellow  +, deep orange-red  +
Packera neomexicana var. toumeyi +
pale-yellow  +, deep orange-red  +
Packera obovata +
pale-yellow  +, deep orange-red  +
Packera ogotorukensis +
pale-yellow  +, deep orange-red  +
Packera pauciflora +
pale-yellow  +, deep orange-red  +
Packera paupercula +
pale-yellow  +, deep orange-red  +
Packera plattensis +
pale-yellow  +, deep orange-red  +
Packera porteri +
pale-yellow  +, deep orange-red  +
Packera pseudaurea +
pale-yellow  +, deep orange-red  +
Packera pseudaurea var. flavula +
pale-yellow  +, deep orange-red  +
Packera pseudaurea var. pseudaurea +
pale-yellow  +, deep orange-red  +
Packera pseudaurea var. semicordata +
pale-yellow  +, deep orange-red  +
Packera quercetorum +
pale-yellow  +, deep orange-red  +
Packera sanguisorboides +
pale-yellow  +, deep orange-red  +
Packera schweinitziana +
pale-yellow  +, deep orange-red  +
Packera spellenbergii +
pale-yellow  +, deep orange-red  +
Packera streptanthifolia +
pale-yellow  +, deep orange-red  +
Packera subnuda +
pale-yellow  +, deep orange-red  +
Packera subnuda var. moresbiensis +
pale-yellow  +, deep orange-red  +
Packera subnuda var. subnuda +
pale-yellow  +, deep orange-red  +
Packera tampicana +
pale-yellow  +, deep orange-red  +
Packera texensis +
pale-yellow  +, deep orange-red  +
Packera tomentosa +
pale-yellow  +, deep orange-red  +
Packera tridenticulata +
pale-yellow  +, deep orange-red  +
Packera werneriifolia +
pale-yellow  +, deep orange-red  +
Palafoxia +
pinkish  +, purplish or whitish  +
Palafoxia arida +
pinkish  +, purplish or whitish  +
Palafoxia callosa +
pinkish  +, purplish or whitish  +
Palafoxia feayi +
pinkish  +, purplish or whitish  +
Palafoxia hookeriana +
pinkish  +, purplish or whitish  +
Palafoxia integrifolia +
pinkish  +, purplish or whitish  +
Palafoxia reverchonii +
pinkish  +, purplish or whitish  +
Palafoxia riograndensis +
pinkish  +, purplish or whitish  +
Palafoxia rosea +
pinkish  +, purplish or whitish  +
Palafoxia sphacelata +
pinkish  +, purplish or whitish  +
Palafoxia texana +
pinkish  +, purplish or whitish  +
Parasenecio +
ochroleucous  +, white  +
Parasenecio auriculatus +
ochroleucous  +, white  +
Parthenice +
yellowish  +
Parthenice mollis +
yellowish  +
Parthenium +
ochroleucous  +
Parthenium alpinum +
ochroleucous  +
Parthenium argentatum +
ochroleucous  +
Parthenium confertum +
ochroleucous  +
Parthenium hysterophorus +
ochroleucous  +
Parthenium incanum +
ochroleucous  +
Parthenium integrifolium +
ochroleucous  +
Parthenium ligulatum +
ochroleucous  +
Pascalia +
yellow  +
Pascalia glauca +
yellow  +
Paulownia +
yellowish  +, whitish  +, pinkish purple  +
Paulownia tomentosa +
yellowish  +, whitish  +, pinkish purple  +
Pavonia +
lavender  +, pink or yellow  +
Pavonia hastata +
lavender  +, pink or yellow  +
Pavonia lasiopetala +
lavender  +, pink or yellow  +
Pavonia paludicola +
lavender  +, pink or yellow  +
Pavonia spinifex +
lavender  +, pink or yellow  +
Pectis +
yellow  +, reddened  +
Pectis angustifolia +
yellow  +, reddened  +
Pectis angustifolia var. angustifolia +
yellow  +, reddened  +
Pectis angustifolia var. fastigiata +
yellow  +, reddened  +
Pectis angustifolia var. tenella +
yellow  +, reddened  +
Pectis cylindrica +
yellow  +, reddened  +
Pectis filipes +
yellow  +, reddened  +
Pectis filipes var. subnuda +
yellow  +, reddened  +
Pectis glaucescens +
yellow  +, reddened  +
Pectis humifusa +
yellow  +, reddened  +
Pectis imberbis +
yellow  +, reddened  +
Pectis linearifolia +
yellow  +, reddened  +
Pectis linifolia +
yellow  +, reddened  +
Pectis linifolia var. linifolia +
yellow  +, reddened  +
Pectis longipes +
yellow  +, reddened  +
Pectis papposa +
yellow  +, reddened  +
Pectis papposa var. grandis +
yellow  +, reddened  +
Pectis papposa var. papposa +
yellow  +, reddened  +
Pectis prostrata +
yellow  +, reddened  +
Pectis rusbyi +
yellow  +, reddened  +
Pectis ×floridana +
yellow  +, reddened  +
Pedicularis +
white  +, yellow  +, red  +, …, …
Pedicularis angustifolia +
white  +, yellow  +, red  +, …, …
Pedicularis attollens +
white  +, yellow  +, red  +, …, …
Pedicularis attollens subsp. attollens +
white  +, yellow  +, red  +, …, …
Pedicularis attollens subsp. protogyna +
white  +, yellow  +, red  +, …, …
Pedicularis aurantiaca +
white  +, yellow  +, red  +, …, …
Pedicularis bracteosa +
white  +, yellow  +, red  +, …, …
Pedicularis bracteosa var. atrosanguinea +
white  +, yellow  +, red  +, …, …
Pedicularis bracteosa var. bracteosa +
white  +, yellow  +, red  +, …, …
Pedicularis bracteosa var. canbyi +
white  +, yellow  +, red  +, …, …
Pedicularis bracteosa var. flavida +
white  +, yellow  +, red  +, …, …
Pedicularis bracteosa var. latifolia +
white  +, yellow  +, red  +, …, …
Pedicularis bracteosa var. pachyrhiza +
white  +, yellow  +, red  +, …, …
Pedicularis bracteosa var. paysoniana +
white  +, yellow  +, red  +, …, …
Pedicularis bracteosa var. siifolia +
white  +, yellow  +, red  +, …, …
Pedicularis canadensis +
white  +, yellow  +, red  +, …, …
Pedicularis capitata +
white  +, yellow  +, red  +, …, …
Pedicularis centranthera +
white  +, yellow  +, red  +, …, …
Pedicularis centranthera var. centranthera +
white  +, yellow  +, red  +, …, …
Pedicularis centranthera var. exulans +
white  +, yellow  +, red  +, …, …
Pedicularis chamissonis +
white  +, yellow  +, red  +, …, …
Pedicularis contorta +
white  +, yellow  +, red  +, …, …
Pedicularis contorta var. contorta +
white  +, yellow  +, red  +, …, …
Pedicularis contorta var. ctenophora +
white  +, yellow  +, red  +, …, …
Pedicularis contorta var. rubicunda +
white  +, yellow  +, red  +, …, …
Pedicularis crenulata +
white  +, yellow  +, red  +, …, …
Pedicularis cystopteridifolia +
white  +, yellow  +, red  +, …, …
Pedicularis densiflora +
white  +, yellow  +, red  +, …, …
Pedicularis dudleyi +
white  +, yellow  +, red  +, …, …
Pedicularis flammea +
white  +, yellow  +, red  +, …, …
Pedicularis furbishiae +
white  +, yellow  +, red  +, …, …
Pedicularis groenlandica +
white  +, yellow  +, red  +, …, …
Pedicularis hirsuta +
white  +, yellow  +, red  +, …, …
Pedicularis howellii +
white  +, yellow  +, red  +, …, …
Pedicularis labradorica +
white  +, yellow  +, red  +, …, …
Pedicularis lanata +
white  +, yellow  +, red  +, …, …
Pedicularis lanata subsp. lanata +
white  +, yellow  +, red  +, …, …
Pedicularis lanceolata +
white  +, yellow  +, red  +, …, …
Pedicularis langsdorffii +
white  +, yellow  +, red  +, …, …
Pedicularis langsdorffii subsp. arctica +
white  +, yellow  +, red  +, …, …
Pedicularis langsdorffii subsp. langsdorffii +
white  +, yellow  +, red  +, …, …
Pedicularis lapponica +
white  +, yellow  +, red  +, …, …
Pedicularis oederi +
white  +, yellow  +, red  +, …, …
Pedicularis ornithorhynchos +
white  +, yellow  +, red  +, …, …
Pedicularis palustris +
white  +, yellow  +, red  +, …, …
Pedicularis palustris subsp. palustris +
white  +, yellow  +, red  +, …, …
Pedicularis parryi +
white  +, yellow  +, red  +, …, …
Pedicularis parryi subsp. mogollonica +
white  +, yellow  +, red  +, …, …
Pedicularis parryi subsp. parryi +
white  +, yellow  +, red  +, …, …
Pedicularis parryi subsp. purpurea +
white  +, yellow  +, red  +, …, …
Pedicularis parviflora +
white  +, yellow  +, red  +, …, …
Pedicularis pennellii +
white  +, yellow  +, red  +, …, …
Pedicularis procera +
white  +, yellow  +, red  +, …, …
Pedicularis pulchella +
white  +, yellow  +, red  +, …, …
Pedicularis racemosa +
white  +, yellow  +, red  +, …, …
Pedicularis racemosa subsp. alba +
white  +, yellow  +, red  +, …, …
Pedicularis racemosa subsp. racemosa +
white  +, yellow  +, red  +, …, …
Pedicularis rainierensis +
white  +, yellow  +, red  +, …, …
Pedicularis semibarbata +
white  +, yellow  +, red  +, …, …
Pedicularis semibarbata subsp. charlestonensis +
white  +, yellow  +, red  +, …, …
Pedicularis semibarbata subsp. semibarbata +
white  +, yellow  +, red  +, …, …
Pedicularis sudetica +
white  +, yellow  +, red  +, …, …
Pedicularis sudetica subsp. albolabiata +
white  +, yellow  +, red  +, …, …
Pedicularis sudetica subsp. arctoeuropaea +
white  +, yellow  +, red  +, …, …
Pedicularis sudetica subsp. interior +
white  +, yellow  +, red  +, …, …
Pedicularis sudetica subsp. pacifica +
white  +, yellow  +, red  +, …, …
Pedicularis sudetica subsp. scopulorum +
white  +, yellow  +, red  +, …, …
Pedicularis sylvatica +
white  +, yellow  +, red  +, …, …
Pedicularis verticillata +
white  +, yellow  +, red  +, …, …
Penstemon +
orange  +, yellow  +, crimson  +, …, …
Penstemon abietinus +
blue  +, bluish violet  +
Penstemon absarokensis +
blue  +, violet  +
Penstemon acaulis +
yellowish  +, lavender  +, blue or violet  +
Penstemon acuminatus +
blue  +, violet  +
Penstemon acuminatus var. acuminatus +
blue  +, violet  +
Penstemon acuminatus var. latebracteatus +
blue  +, violet  +
Penstemon alamosensis +
red  +, orangish red  +
Penstemon albertinus +
blue  +, light blue or violet  +
Penstemon albidus +
lavender  +, tinged pink  +, white  +
Penstemon albomarginatus +
yellowish  +, pinkish lavender  +
Penstemon ambiguus +
pink  +
Penstemon ambiguus var. ambiguus +
pink  +
Penstemon ambiguus var. laevissimus +
pink  +
Penstemon ammophilus +
white  +, pink lavender blue violet or purple  +
Penstemon anguineus +
light blue  +, lavender purple or violet  +
Penstemon angustifolius +
pink  +, blue  +, lavender  +
Penstemon angustifolius var. angustifolius +
pink  +, lavender  +, blue  +
Penstemon angustifolius var. caudatus +
pink  +, lavender  +, blue  +
Penstemon angustifolius var. dulcis +
pink  +
Penstemon angustifolius var. venosus +
blue  +, lavender or pink  +
Penstemon angustifolius var. vernalensis +
blue  +
Penstemon arenarius +
white  +, lavender  +
Penstemon arenicola +
blue  +, violet  +
Penstemon aridus +
whitish  +, blue  +, violet  +
Penstemon arkansanus +
whitish  +, white  +
Penstemon attenuatus +
light blue  +, violet bluish purple or pinkish blue rarely light yellow or whitish  +
Penstemon attenuatus var. attenuatus +
light blue  +, violet rarely light yellow or whitish  +
Penstemon attenuatus var. militaris +
bluish purple  +
Penstemon attenuatus var. palustris +
bluish purple  +, pinkish blue  +
Penstemon attenuatus var. pseudoprocerus +
bluish purple  +
Penstemon atwoodii +
blue  +, lavender  +
Penstemon auriberbis +
violet  +, lilac or pinkish blue  +
Penstemon australis +
white  +, pinkish or light lavender  +
Penstemon azureus +
violet  +, blue  +
Penstemon azureus var. angustissimus +
violet  +, blue  +
Penstemon azureus var. azureus +
violet  +, blue  +
Penstemon baccharifolius +
red  +
Penstemon barbatus +
orangish red  +, crimson or scarlet  +
Penstemon barbatus var. barbatus +
orangish red  +, crimson or scarlet  +
Penstemon barbatus var. torreyi +
orangish red  +, crimson or scarlet  +
Penstemon barbatus var. trichander +
orangish red  +, crimson or scarlet  +
Penstemon barnebyi +
yellowish  +, white  +, violet  +, …
Penstemon barrettiae +
lilac  +, purple  +
Penstemon bicolor +
pink  +, rose-pink purple or light yellow  +
Penstemon bleaklyi +
bluish lavender  +, lavender-purple  +
Penstemon bracteatus +
blue  +, violet or lavender  +
Penstemon breviculus +
whitish  +, yellowish  +, dark blue  +, …
Penstemon brevisepalus +
whitish  +, lavender to purple  +
Penstemon buckleyi +
pinkish blue  +, bluish lavender  +
Penstemon caesius +
light purple  +, lavender violet or blue  +
Penstemon caespitosus +
blue  +
Penstemon caespitosus var. caespitosus +
blue  +
Penstemon caespitosus var. desertipicti +
blue  +
Penstemon caespitosus var. perbrevis +
blue  +
Penstemon calcareus +
pink  +, rose red or rose-purple  +
Penstemon californicus +
purple  +, violet  +
Penstemon calycosus +
pale lavender  +, violet  +
Penstemon canescens +
lavender  +, purple  +
Penstemon cardinalis +
red  +, crimson  +
Penstemon cardinalis var. cardinalis +
red  +, crimson  +
Penstemon cardinalis var. regalis +
red  +, crimson  +
Penstemon cardwellii +
purple  +, violet  +
Penstemon carnosus +
pink  +, blue  +, violet  +
Penstemon caryi +
blue  +, violet or purple  +
Penstemon centranthifolius +
scarlet  +
Penstemon cinicola +
yellowish  +, violet  +, blue or purple  +
Penstemon clevelandii +
red  +, reddish purple  +
Penstemon clevelandii var. clevelandii +
red  +, reddish purple  +
Penstemon clevelandii var. connatus +
yellowish  +, white  +
Penstemon clevelandii var. mohavensis +
yellowish  +, white  +
Penstemon clutei +
pink  +, rose-pink  +
Penstemon cobaea +
white  +, pink or violet  +
Penstemon cobaea var. cobaea +
white  +, pink  +
Penstemon cobaea var. purpureus +
violet  +, purple  +
Penstemon comarrhenus +
blue  +, pinkish blue or lavender  +
Penstemon compactus +
blue  +, violet  +
Penstemon concinnus +
violet  +, lavender or purple  +
Penstemon confertus +
yellowish  +, lavender  +, pink  +, …, …
Penstemon confusus +
reddish violet  +, purple  +
Penstemon crandallii +
blue  +, violet or lavender  +
Penstemon crandallii var. atratus +
blue  +, violet or lavender  +
Penstemon crandallii var. crandallii +
blue  +, violet or lavender  +
Penstemon crandallii var. glabrescens +
blue  +, violet or lavender  +
Penstemon crandallii var. procumbens +
blue  +, violet or lavender  +
Penstemon crandallii var. ramaleyi +
blue  +, violet or lavender  +
Penstemon cusickii +
blue  +, violet or purple  +
Penstemon cyananthus +
blue  +, violet  +
Penstemon cyananthus var. cyananthus +
blue  +, violet  +
Penstemon cyananthus var. judyae +
blue  +, violet  +
Penstemon cyananthus var. subglaber +
blue  +, violet  +
Penstemon cyaneus +
blue  +, violet or purple  +
Penstemon cyanocaulis +
blue  +, violet  +
Penstemon cyathophorus +
lavender  +, lavender-blue  +
Penstemon dasyphyllus +
violet  +, lavender  +
Penstemon davidsonii +
purple  +, violet  +, lavender to bluish lavender  +
Penstemon davidsonii var. davidsonii +
purple  +, violet  +, bluish lavender  +
Penstemon davidsonii var. menziesii +
violet  +
Penstemon davidsonii var. praeteritus +
bluish lavender  +, violet  +
Penstemon deamii +
tinged lavender  +, white  +
Penstemon deaveri +
lavender  +, violet  +
Penstemon debilis +
white  +, lavender  +
Penstemon degeneri +
white  +, blue  +, light violet  +
Penstemon deustus +
tinged lavender  +, white  +, ochroleucous  +
Penstemon deustus var. deustus +
tinged lavender  +, white  +, ochroleucous  +
Penstemon deustus var. pedicillatus +
tinged lavender  +, white  +, ochroleucous  +
Penstemon deustus var. suffrutescens +
tinged lavender  +, white  +, ochroleucous  +
Penstemon deustus var. variabilis +
tinged lavender  +, white  +, ochroleucous  +
Penstemon digitalis +
tinged lavender  +, white  +
Penstemon diphyllus +
bluish lavender  +, violet  +
Penstemon discolor +
whitish  +, yellow  +, lavender  +, …
Penstemon dissectus +
lavender  +, violet  +
Penstemon distans +
white  +, blue  +, violet  +
Penstemon dolius +
reddish purple  +, blue  +, faint  +, …, …
Penstemon duchesnensis +
light blue  +, blue lavender or violet  +
Penstemon eatonii +
red  +, scarlet  +
Penstemon eatonii var. eatonii +
red  +, scarlet  +
Penstemon eatonii var. exsertus +
red  +, scarlet  +
Penstemon eatonii var. undosus +
red  +, scarlet  +
Penstemon elegantulus +
violet  +, blue  +
Penstemon ellipticus +
violet  +, purple  +
Penstemon eriantherus +
white  +, lavender  +, violet purple pink or blue  +
Penstemon eriantherus var. argillosus +
lavender  +, violet  +
Penstemon eriantherus var. cleburnei +
lavender  +, violet  +
Penstemon eriantherus var. eriantherus +
lavender  +, purple or pink  +
Penstemon eriantherus var. redactus +
lavender  +, violet  +
Penstemon eriantherus var. whitedii +
lavender  +, violet or blue  +
Penstemon euglaucus +
yellowish  +, whitish  +, violet  +, …
Penstemon fendleri +
lavender  +, violet or bluish  +
Penstemon filiformis +
light purple  +, violet or purple  +
Penstemon flavescens +
light yellow  +
Penstemon floribundus +
violet  +, light blue  +
Penstemon floridus +
lavender  +, light pink rose-pink or light yellow  +
Penstemon floridus var. austinii +
lavender  +, light pink rose-pink or light yellow  +
Penstemon floridus var. floridus +
lavender  +, light pink rose-pink or light yellow  +
Penstemon flowersii +
pink  +
Penstemon franklinii +
light purple  +, blue  +, bluish lavender  +
Penstemon fremontii +
blue  +, violet or purple  +
Penstemon fremontii var. fremontii +
blue  +, violet or purple  +
Penstemon fremontii var. glabrescens +
blue  +, violet or purple  +
Penstemon fruticiformis +
light pink  +, lavender  +, bluish lavender  +
Penstemon fruticiformis var. amargosae +
light pink  +, lavender  +, bluish lavender  +
Penstemon fruticiformis var. fruticiformis +
light pink  +, lavender  +, bluish lavender  +
Penstemon fruticosus +
bluish lavender  +, purplish or violet  +
Penstemon fruticosus var. fruticosus +
bluish lavender  +, purplish or violet  +
Penstemon fruticosus var. scouleri +
bluish lavender  +, purplish or violet  +
Penstemon fruticosus var. serratus +
bluish lavender  +, purplish or violet  +
Penstemon gairdneri +
violet  +, blue or purple  +
Penstemon gairdneri var. gairdneri +
violet  +, blue or purple  +
Penstemon gairdneri var. oreganus +
violet  +, blue or purple  +
Penstemon gibbensii +
lavender  +, light blue or light violet  +
Penstemon glaber +
blue  +, violet  +
Penstemon glaber var. alpinus +
blue  +, violet  +
Penstemon glaber var. brandegeei +
blue  +, violet  +
Penstemon glaber var. glaber +
blue  +, violet  +
Penstemon glandulosus +
purple  +, bluish lavender  +
Penstemon glandulosus var. chelanensis +
purple  +, bluish lavender  +
Penstemon glandulosus var. glandulosus +
purple  +, bluish lavender  +
Penstemon glaucinus +
violet  +
Penstemon globosus +
yellowish  +, white  +, blue  +, …
Penstemon goodrichii +
violet  +, blue or bluish lavender  +
Penstemon gormanii +
yellowish  +, white  +, lavender  +, …
Penstemon gracilentus +
blue  +, violet or purple  +
Penstemon gracilis +
light lavender to lavender  +
Penstemon grahamii +
lavender  +, pink  +
Penstemon grandiflorus +
lavender  +, blue or pinkish blue  +
Penstemon griffinii +
violet  +, blue or purple  +
Penstemon grinnellii +
white  +, pink or light lavender  +
Penstemon guadalupensis +
lavender  +, tinged pink  +, white  +
Penstemon hallii +
blue  +, violet  +
Penstemon harbourii +
yellow  +, purple  +, violet  +, …, …
Penstemon harringtonii +
blue  +, violet lavender or pinkish blue  +
Penstemon havardii +
scarlet  +, orange  +
Penstemon haydenii +
lavender  +, bluish  +
Penstemon heterodoxus +
lavender  +, blue violet or purple  +
Penstemon heterodoxus var. cephalophorus +
lavender  +, blue violet or purple  +
Penstemon heterodoxus var. heterodoxus +
lavender  +, blue violet or purple  +
Penstemon heterodoxus var. shastensis +
lavender  +, blue violet or purple  +
Penstemon heterophyllus +
blue  +, violet or purple  +
Penstemon heterophyllus var. australis +
blue  +, violet or purple  +
Penstemon heterophyllus var. heterophyllus +
blue  +, violet or purple  +
Penstemon heterophyllus var. purdyi +
blue  +, violet or purple  +
Penstemon hirsutus +
purplish  +, lavender  +
Penstemon humilis +
white  +, blue  +, purple or violet  +
Penstemon humilis var. brevifolius +
white  +, blue  +, purple or violet  +
Penstemon humilis var. humilis +
white  +, blue  +, purple or violet  +
Penstemon humilis var. obtusifolius +
white  +, blue  +, purple or violet  +
Penstemon idahoensis +
violet  +, blue  +
Penstemon immanifestus +
pink  +, lavender  +, bluish lavender  +
Penstemon incertus +
blue  +, violet or purple  +
Penstemon inflatus +
yellowish  +, white  +, lavender  +, …
Penstemon jamesii +
white  +, lavender pink or violet  +
Penstemon janishiae +
lavender  +, purple or pink  +
Penstemon kingii +
blue  +, reddish purple  +, violet to purple  +
Penstemon kralii +
pale lavender  +, nearly white  +
Penstemon labrosus +
yellow  +, red  +, scarlet or orange  +
Penstemon laetus +
violet  +, blue or purple  +
Penstemon laetus var. laetus +
violet  +, blue or purple  +
Penstemon laetus var. leptosepalus +
violet  +, blue or purple  +
Penstemon laetus var. sagittatus +
violet  +, blue or purple  +
Penstemon laevigatus +
pale lavender  +, violet  +
Penstemon laevis +
blue  +, bluish violet  +
Penstemon lanceolatus +
scarlet  +, red  +
Penstemon laricifolius +
pink  +, violet or purple  +
Penstemon laricifolius var. exilifolius +
white  +
Penstemon laricifolius var. laricifolius +
pink  +, violet or purple  +
Penstemon laxiflorus +
white  +, tinged pink  +, light lavender  +
Penstemon laxus +
violet  +, blue  +
Penstemon leiophyllus +
violet  +, blue or purple  +
Penstemon leiophyllus var. francisci-pennellii +
violet  +, blue or purple  +
Penstemon leiophyllus var. keckii +
violet  +, blue or purple  +
Penstemon leiophyllus var. leiophyllus +
violet  +, blue or purple  +
Penstemon lemhiensis +
violet  +, blue  +
Penstemon lentus +
lavender  +, violet blue pinkish blue or white  +
Penstemon lentus var. albiflorus +
white  +
Penstemon lentus var. lentus +
lavender  +, violet blue or pinkish blue  +
Penstemon leonardii +
lavender  +, blue or violet  +
Penstemon leonardii var. higginsii +
lavender  +, blue or violet  +
Penstemon leonardii var. leonardii +
lavender  +, blue or violet  +
Penstemon leonardii var. patricus +
lavender  +, blue or violet  +
Penstemon linarioides +
yellowish  +, white  +, lavender  +, …
Penstemon linarioides var. coloradoensis +
yellowish  +, white  +, lavender  +, …
Penstemon linarioides var. linarioides +
yellowish  +, white  +, lavender  +, …
Penstemon linarioides var. maguirei +
yellowish  +, white  +, lavender  +, …
Penstemon linarioides var. sileri +
yellowish  +, white  +, lavender  +, …
Penstemon longiflorus +
blue  +, violet  +
Penstemon lyallii +
lavender  +, purple  +
Penstemon marcusii +
blue  +, violet  +
Penstemon mensarum +
blue  +, purple or violet  +
Penstemon metcalfei +
lavender to purple  +
Penstemon miser +
light blue  +, bluish purple or magenta  +
Penstemon moffatii +
blue  +, violet  +
Penstemon monoensis +
pink  +, reddish-pink or violet  +
Penstemon montanus +
violet  +, blue  +, lavender  +
Penstemon montanus var. idahoensis +
violet  +, blue  +, lavender  +
Penstemon montanus var. montanus +
violet  +, blue  +, lavender  +
Penstemon moriahensis +
blue  +, violet  +
Penstemon mucronatus +
blue  +, violet  +
Penstemon multiflorus +
white  +, light lavender  +
Penstemon murrayanus +
red  +
Penstemon nanus +
violet  +, blue or purple  +
Penstemon navajoa +
blue  +, lavender  +
Penstemon neomexicanus +
lavender  +, violet  +
Penstemon neotericus +
violet  +, blue or purple  +
Penstemon newberryi +
purple  +, lavender  +, scarlet  +, …, …
Penstemon newberryi var. berryi +
pink  +, lavender or purple  +
Penstemon newberryi var. newberryi +
red  +, scarlet  +
Penstemon newberryi var. sonomensis +
purple  +, lavender  +, scarlet  +, …, …
Penstemon nitidus +
blue  +, violet  +
Penstemon nitidus var. nitidus +
blue  +, violet  +
Penstemon nitidus var. polyphyllus +
blue  +, violet  +
Penstemon nudiflorus +
violet  +, lavender  +
Penstemon oklahomensis +
yellowish  +, white  +, ochroleucous  +
Penstemon oliganthus +
blue  +, violet-blue  +
Penstemon ophianthus +
lavender  +, violet  +
Penstemon osterhoutii +
blue  +, violet or lavender  +
Penstemon ovatus +
violet  +, blue  +
Penstemon pachyphyllus +
blue  +, violet  +
Penstemon pachyphyllus var. congestus +
blue  +, violet  +
Penstemon pachyphyllus var. pachyphyllus +
blue  +, violet  +
Penstemon pahutensis +
yellow  +, bluish lavender  +
Penstemon pallidus +
yellowish  +, whitish  +, blue  +, …, …
Penstemon palmeri +
pale-pink  +, white or pinkish lavender  +
Penstemon palmeri var. eglandulosus +
pale-pink  +, white or pinkish lavender  +
Penstemon palmeri var. macranthus +
pale-pink  +, white or pinkish lavender  +
Penstemon palmeri var. palmeri +
pale-pink  +, white or pinkish lavender  +
Penstemon papillatus +
blue  +, lavender or violet  +
Penstemon parryi +
rose-pink  +, rose magenta  +
Penstemon parvulus +
blue  +, violet or purple  +
Penstemon parvus +
blue  +, violet  +
Penstemon patens +
reddish violet  +, lavender  +
Penstemon payettensis +
blue  +, violet  +
Penstemon paysoniorum +
blue  +, violet or lavender  +
Penstemon peckii +
violet  +, light blue pink or light purple  +
Penstemon penlandii +
blue  +, bluish violet  +
Penstemon pennellianus +
blue  +, violet  +
Penstemon perpulcher +
violet  +, blue or purple  +
Penstemon personatus +
lavender  +, purple or white  +
Penstemon petiolatus +
yellowish  +, whitish  +
Penstemon pinifolius +
scarlet  +
Penstemon pinorum +
yellowish  +, pink  +, blue  +, …
Penstemon platyphyllus +
lavender  +, light violet or violet  +
Penstemon pratensis +
yellow  +, lavender  +, white  +
Penstemon procerus +
violet  +, blue  +
Penstemon procerus var. aberrans +
violet  +, blue  +
Penstemon procerus var. brachyanthus +
violet  +, blue  +
Penstemon procerus var. formosus +
violet  +, blue  +
Penstemon procerus var. modestus +
violet  +, blue  +
Penstemon procerus var. procerus +
violet  +, blue  +
Penstemon procerus var. tolmiei +
violet  +, blue  +
Penstemon pruinosus +
blue  +, lavender purple or violet  +
Penstemon pseudoputus +
bluish violet  +, violet  +
Penstemon pseudospectabilis +
rose-pink  +
Penstemon pseudospectabilis var. connatifolius +
rose-pink  +
Penstemon pseudospectabilis var. pseudospectabilis +
rose-pink  +
Penstemon pudicus +
violet  +, blue or lavender  +
Penstemon pumilus +
blue  +, violet  +
Penstemon purpusii +
blue  +, purple  +, violet  +
Penstemon putus +
white  +, pink lavender or violet  +
Penstemon radicosus +
yellowish  +, blue  +, dark blue purple or violet  +
Penstemon rattanii +
lavender  +, purple or violet  +
Penstemon rattanii var. kleei +
lavender  +, purple or violet  +
Penstemon rattanii var. rattanii +
lavender  +, purple or violet  +
Penstemon retrorsus +
bluish violet  +
Penstemon rhizomatosus +
violet  +, reddish purple  +
Penstemon richardsonii +
bluish  +, lavender or pinkish  +
Penstemon richardsonii var. curtiflorus +
bluish  +, lavender or pinkish  +
Penstemon richardsonii var. dentatus +
bluish  +, lavender or pinkish  +
Penstemon richardsonii var. richardsonii +
bluish  +, lavender or pinkish  +
Penstemon roezlii +
blue  +, violet or purple  +
Penstemon rostriflorus +
orangish red  +, scarlet  +
Penstemon rubicundus +
pink  +, rose-pink  +
Penstemon rupicola +
pink  +, red pinkish lavender or rose red  +
Penstemon rydbergii +
yellowish  +, white  +, violet  +, …
Penstemon rydbergii var. aggregatus +
yellowish  +, white  +, violet  +, …
Penstemon rydbergii var. oreocharis +
yellowish  +, white  +, violet  +, …
Penstemon rydbergii var. rydbergii +
yellowish  +, white  +, violet  +, …
Penstemon saxosorum +
blue  +, bluish violet  +
Penstemon scapoides +
lavender  +, violet  +
Penstemon scariosus +
blue  +, lavender  +
Penstemon scariosus var. albifluvis +
blue  +, lavender  +
Penstemon scariosus var. cyanomontanus +
blue  +, lavender  +
Penstemon scariosus var. garrettii +
blue  +, lavender  +
Penstemon scariosus var. scariosus +
blue  +, lavender  +
Penstemon sect. Ambigui +
lavender  +, violet  +
Penstemon sect. Baccharifolii +
red  +
Penstemon sect. Bridgesiani +
red  +, scarlet  +
Penstemon sect. Caespitosi +
scarlet  +, purple  +, violet  +, …, …
Penstemon sect. Chamaeleon +
lavender  +, blue violet purple red or scarlet  +
Penstemon sect. Coerulei +
lavender  +, blue violet purple or pink rarely white or red  +
Penstemon sect. Cristati +
white  +, lilac lavender blue violet purple red pink or magenta  +
Penstemon sect. Dissecti +
lavender  +, violet  +
Penstemon sect. Elmigera +
yellow  +, red  +, scarlet or orange  +
Penstemon sect. Erianthera +
white  +, scarlet  +, red  +, …, …
Penstemon sect. Gentianoides +
purple  +, reddish violet  +, violet  +, …, …
Penstemon sect. Glabri +
white  +, pink lavender blue violet or purple  +
Penstemon sect. Penstemon +
yellow  +, purple  +, violet  +, …, …
Penstemon sect. Petiolati +
magenta  +, pink  +
Penstemon sect. Saccanthera +
pinkish  +, reddish purple  +, violet  +, …, …
Penstemon sect. Spectabiles +
white  +, pink rose red magenta yellow lavender blue violet or purple  +
Penstemon secundiflorus +
pink  +, blue  +, violet or lavender  +
Penstemon secundiflorus var. secundiflorus +
pink  +, lavender  +, light blue  +
Penstemon secundiflorus var. versicolor +
violet  +, dark blue  +
Penstemon seorsus +
blue  +, violet or purple  +
Penstemon sepalulus +
light lavender  +, violet or purple  +
Penstemon serrulatus +
blue  +, violet or purple  +
Penstemon smallii +
lavender  +, violet or purple  +
Penstemon spatulatus +
yellowish  +, white  +, light blue  +, …
Penstemon speciosus +
blue  +, violet  +
Penstemon spectabilis +
pink  +, blue  +
Penstemon spectabilis var. spectabilis +
pink  +, blue  +
Penstemon spectabilis var. subviscosus +
pink  +, blue  +
Penstemon stenophyllus +
violet  +, blue lavender or purple  +
Penstemon stephensii +
rose  +, magenta or pinkish lavender  +
Penstemon strictiformis +
lavender  +, blue  +
Penstemon strictus +
purple  +, violet or blue  +
Penstemon subg. Dasanthera +
orange  +, yellow  +, crimson  +, …, …
Penstemon subg. Penstemon +
orange  +, yellow  +, crimson  +, …, …
Penstemon subglaber +
blue  +, violet or purple  +
Penstemon subserratus +
blue  +, violet  +
Penstemon subulatus +
scarlet  +
Penstemon sudans +
white  +, light lavender or light pink  +
Penstemon superbus +
orangish pink  +, red  +
Penstemon tenuiflorus +
white  +
Penstemon tenuis +
lavender  +, violet  +
Penstemon teucrioides +
yellowish  +, white  +, violet  +, …
Penstemon thompsoniae +
blue  +, violet or purple  +
Penstemon thurberi +
lavender  +, violet  +
Penstemon tidestromii +
blue  +, violet  +
Penstemon tiehmii +
violet  +, lavender  +
Penstemon tracyi +
white  +, pink  +
Penstemon triflorus +
pink  +, pinkish red or reddish violet  +
Penstemon triflorus var. integrifolius +
pink  +, pinkish red or reddish violet  +
Penstemon triflorus var. triflorus +
pink  +, pinkish red or reddish violet  +
Penstemon triphyllus +
violet  +, pale-purple  +, pinkish  +, …
Penstemon tubaeflorus +
white  +
Penstemon uintahensis +
blue  +, violet  +
Penstemon utahensis +
red  +, crimson  +
Penstemon venustus +
lavender  +, purple or violet  +
Penstemon virens +
blue  +, light purple or violet  +
Penstemon virgatus +
violet to lavender  +
Penstemon virgatus var. asa-grayi +
violet to lavender  +
Penstemon virgatus var. virgatus +
violet to lavender  +
Penstemon wardii +
blue to lavender  +
Penstemon washingtonensis +
whitish  +, dark blue  +
Penstemon watsonii +
blue  +, violet  +
Penstemon whippleanus +
white  +, lavender  +, ochroleucous  +, …, …
Penstemon wilcoxii +
white  +, blue  +, violet or light blue  +
Penstemon wrightii +
red  +, pink  +
Penstemon xylus +
blue  +, lavender or violet  +
Penstemon yampaënsis +
whitish  +, yellowish  +, lavender to bluish lavender  +
Pentachaeta +
yellow  +, white  +, reddish  +
Pentachaeta alsinoides +
yellow  +, red-tipped  +
Pentachaeta aurea +
yellow  +, brownish orange  +
Pentachaeta bellidiflora +
yellow  +, reddish-tinged  +, white  +
Pentachaeta exilis +
yellowish  +, reddish  +
Pentachaeta exilis subsp. aeolica +
yellowish  +, reddish  +
Pentachaeta exilis subsp. exilis +
yellowish  +, reddish  +
Pentachaeta fragilis +
yellow  +
Pentachaeta lyonii +
yellow  +
Pentzia +
yellow  +
Pentzia incana +
yellow  +
Pericallis +
purplish  +, reddish or pinkish  +
Pericallis hybrida +
purplish  +, reddish pinkish or bluish  +
Pericome +
yellow  +
Pericome caudata +
yellow  +
Perityle +
white  +, yellow  +, cream  +
Perityle aglossa +
purple-tinged  +, pink  +, yellow  +
Perityle ajoensis +
yellow  +
Perityle ambrosiifolia +
yellow  +
Perityle angustifolia +
yellow  +
Perityle bisetosa +
white  +
Perityle bisetosa var. appressa +
white  +
Perityle bisetosa var. bisetosa +
white  +
Perityle bisetosa var. scalaris +
white  +
Perityle cernua +
yellow  +
Perityle ciliata +
purple-tinged  +, yellow  +, pink tinged  +, …
Perityle cinerea +
white  +
Perityle cochisensis +
yellow  +
Perityle congesta +
yellow  +
Perityle coronopifolia +
purple-tinged  +, yellow  +, white  +
Perityle dissecta +
yellow  +
Perityle emoryi +
yellow  +, white  +
Perityle fosteri +
cream  +, pale-yellow  +
Perityle gilensis +
yellow  +
Perityle gilensis var. gilensis +
yellow  +
Perityle gilensis var. salensis +
yellow  +
Perityle gracilis +
yellow  +
Perityle huecoensis +
yellow  +
Perityle intricata +
yellow  +
Perityle inyoensis +
yellow  +
Perityle lemmonii +
tinged with purple  +, yellow  +
Perityle lindheimeri +
yellow  +
Perityle lindheimeri var. halimifolia +
yellow  +
Perityle lindheimeri var. lindheimeri +
yellow  +
Perityle megalocephala +
yellow  +
Perityle megalocephala var. megalocephala +
yellow  +
Perityle megalocephala var. oligophylla +
yellow  +
Perityle microglossa +
yellow  +, white  +
Perityle microglossa var. microglossa +
yellow  +, white  +
Perityle parryi +
yellow  +
Perityle quinqueflora +
yellow  +
Perityle rupestris +
white  +, yellow  +
Perityle rupestris var. albiflora +
white  +
Perityle rupestris var. rupestris +
yellow  +
Perityle saxicola +
yellow  +
Perityle sect. Laphamia +
white  +, yellow  +
Perityle sect. Pappothrix +
white  +, yellow  +, cream  +
Perityle sect. Perityle +
yellow  +, white  +
Perityle specuicola +
yellow  +
Perityle stansburyi +
yellow  +
Perityle staurophylla +
yellow  +
Perityle staurophylla var. homoflora +
yellow  +
Perityle staurophylla var. staurophylla +
yellow  +
Perityle tenella +
yellow  +
Perityle vaseyi +
yellow  +
Perityle villosa +
yellow  +
Perityle vitreomontana +
white  +
Perityle warnockii +
bright white  +
Petasites +
whitish  +, pinkish  +, purplish  +
Petasites frigidus +
whitish  +, pinkish  +, purplish  +
Petasites frigidus var. frigidus +
whitish  +, pinkish  +, purplish  +
Petasites frigidus var. palmatus +
whitish  +, pinkish  +, purplish  +
Petasites frigidus var. sagittatus +
whitish  +, pinkish  +, purplish  +
Petasites frigidus var. ×vitifolius +
whitish  +, pinkish  +, purplish  +
Petradoria +
yellow  +
Petradoria pumila +
yellow  +
Petradoria pumila var. graminea +
yellow  +
Petradoria pumila var. pumila +
yellow  +
Peucephyllum +
purplish  +, creamy yellow  +
Peucephyllum schottii +
purplish  +, creamy yellow  +
Phalacroseris +
yellow  +
Phalacroseris bolanderi +
yellow  +
Phoebanthus +
yellow  +
Phoebanthus grandiflorus +
yellow  +
Phoebanthus tenuifolius +
yellow  +
Phryma +
lavender;purple  +
Phryma leptostachya +
lavender;purple  +
Phryma leptostachya var. leptostachya +
lavender;purple  +
Phyllodoce aleutica +
yellowish green  +, yellow  +
Phyllodoce breweri +
purplish  +, pink  +, white  +
Phyllodoce empetriformis +
pink  +
Phyllodoce glanduliflora +
greenish yellow  +, yellow  +
Picradeniopsis +
yellow  +, orange  +
Picradeniopsis oppositifolia +
pale-yellow  +
Picradeniopsis woodhousei +
pale-yellow  +
Picris +
reddish  +, yellow  +
Picris hieracioides +
reddish  +, yellow  +
Picris rhagadioloides +
reddish  +, yellow  +
Picrothamnus +
pale-yellow  +
Picrothamnus desertorum +
pale-yellow  +
Pinaropappus +
white  +, lavender  +, purple  +, …
Pinaropappus parvus +
pink  +
Pinaropappus roseus +
white  +, yellow  +
Pityopsis +
yellow  +
Pityopsis aspera +
yellow  +
Pityopsis aspera var. adenolepis +
yellow  +
Pityopsis aspera var. aspera +
yellow  +
Pityopsis falcata +
yellow  +
Pityopsis flexuosa +
yellow  +
Pityopsis graminifolia +
yellow  +
Pityopsis graminifolia var. aequilifolia +
yellow  +
Pityopsis graminifolia var. graminifolia +
yellow  +
Pityopsis graminifolia var. latifolia +
yellow  +
Pityopsis graminifolia var. tenuifolia +
yellow  +
Pityopsis graminifolia var. tracyi +
yellow  +
Pityopsis oligantha +
yellow  +
Pityopsis pinifolia +
yellow  +
Pityopsis ruthii +
yellow  +
Plantago +
semitransparent  +
Plantago afra +
semitransparent  +
Plantago argyrea +
semitransparent  +
Plantago aristata +
semitransparent  +
Plantago australis +
semitransparent  +
Plantago canescens +
semitransparent  +
Plantago cordata +
semitransparent  +
Plantago coronopus +
semitransparent  +
Plantago elongata +
semitransparent  +
Plantago erecta +
semitransparent  +
Plantago eriopoda +
semitransparent  +
Plantago firma +
semitransparent  +
Plantago floccosa +
semitransparent  +
Plantago helleri +
semitransparent  +
Plantago heterophylla +
semitransparent  +
Plantago hookeriana +
semitransparent  +
Plantago indica +
semitransparent  +
Plantago lanceolata +
semitransparent  +
Plantago macrocarpa +
semitransparent  +
Plantago major +
semitransparent  +
Plantago maritima +
semitransparent  +
Plantago media +
semitransparent  +
Plantago ovata +
semitransparent  +
Plantago patagonica +
semitransparent  +
Plantago pusilla +
semitransparent  +
Plantago rhodosperma +
semitransparent  +
Plantago rugelii +
semitransparent  +
Plantago sempervirens +
semitransparent  +
Plantago sparsiflora +
semitransparent  +
Plantago subnuda +
semitransparent  +
Plantago tweedyi +
semitransparent  +
Plantago virginica +
semitransparent  +
Plantago wrightiana +
semitransparent  +
Platanthera hookeri +
yellowish green  +
Platanthera huronensis +
often whiter  +
Platanthera leucophaea +
white  +
Platanthera macrophylla +
white  +
Platanthera obtusata +
commonly whiter  +
Platanthera orbiculata +
white  +
Platanthera tipuloides var. behringiana +
yellow  +
Plateilema +
yellowish  +, purplish  +
Plateilema palmeri +
yellowish  +, purplish  +
Platyschkuhria +
yellow  +, orange  +
Platyschkuhria integrifolia +
yellow  +, orange  +
Plectocephalus +
pale-yellow  +, cream  +, purple  +, …
Plectocephalus americanus +
pale-yellow  +, cream  +, purple  +, …
Plectocephalus rothrockii +
pale-yellow  +, cream  +, purple  +, …
Pleiacanthus +
lavender  +, pink  +
Pleiacanthus spinosus +
lavender  +, pink  +
Pleurocoronis +
white  +
Pleurocoronis pluriseta +
white  +
Pluchea +
rosy  +, purplish  +, lavender  +, …, …
Pluchea baccharis +
rose-pink  +, purplish  +
Pluchea camphorata +
rose purplish  +
Pluchea carolinensis +
whitish  +, pink-lavender  +
Pluchea foetida +
creamy white  +, yellowish or pale-pink  +
Pluchea longifolia +
creamy white  +
Pluchea odorata +
pink  +, rosy or purple  +
Pluchea odorata var. odorata +
pink  +, rosy or purple  +
Pluchea odorata var. succulenta +
pink  +, rosy or purple  +
Pluchea sagittalis +
rose-purple  +, white  +
Pluchea sericea +
pink  +, purplish  +
Pluchea yucatanensis +
pink  +, lavender or cream or pinkish  +
Plumbago auriculata +
pale blue  +
Plumbago zeylanica +
white  +
Polygala balduinii +
pale yellowish  +
Polymnia +
pale-yellow  +, pale yellowish  +, whitish  +
Polymnia canadensis +
pale-yellow  +, pale yellowish  +, whitish  +
Polymnia cossatotensis +
pale-yellow  +, pale yellowish  +, whitish  +
Polymnia laevigata +
pale-yellow  +, pale yellowish  +, whitish  +
Polypremum +
white  +
Polypremum procumbens +
white  +
Porophyllum +
whitish  +, greenish or purplish  +
Porophyllum gracile +
whitish  +, purplish  +
Porophyllum greggii +
yellow  +
Porophyllum pygmaeum +
yellow  +
Porophyllum ruderale +
whitish  +, greenish or purplish  +
Porophyllum ruderale var. macrocephalum +
greenish  +, purplish  +
Porophyllum scoparium +
yellow  +
Prenanthella +
white  +, pink  +
Prenanthella exigua +
white  +, pink  +
Prenanthes +
red  +, yellow  +, lavender  +, …, …
Prenanthes alata +
white  +, purplish  +
Prenanthes alba +
whitish  +, pale-pink lavender or red  +
Prenanthes altissima +
pale-yellow  +, greenish yellow  +
Prenanthes aspera +
pale-yellow  +, creamy white  +
Prenanthes autumnalis +
white  +, lavender  +, pinkish  +
Prenanthes barbata +
white  +, yellowish white  +
Prenanthes boottii +
white  +
Prenanthes carrii +
white  +, creamy  +
Prenanthes crepidinea +
yellow  +, white  +
Prenanthes racemosa +
lavender  +, white  +, pinkish  +
Prenanthes roanensis +
greenish yellow  +
Prenanthes sagittata +
white  +
Prenanthes serpentaria +
usually yellow  +, pale-yellow  +
Prenanthes trifoliolata +
pale-yellow  +
Primula alcalina +
white  +
Primula angustifolia +
white  +, bright-rose-pink  +
Primula anvilensis +
white  +
Primula capillaris +
magenta-violet with bluish tinge  +
Primula cuneifolia +
rose-pink  +
Primula cuneifolia subsp. cuneifolia +
rose-pink  +
Primula cuneifolia subsp. saxifragifolia +
rose-pink  +
Primula cusickiana +
rose  +, magenta-violet  +
Primula cusickiana var. cusickiana +
rose  +, magenta-violet  +
Primula cusickiana var. domensis +
rose  +, magenta-violet  +
Primula cusickiana var. maguirei +
rose  +, magenta-violet  +
Primula cusickiana var. nevadensis +
rose  +, magenta-violet  +
Primula egaliksensis +
lavender  +, white  +
Primula parryi +
magenta  +
Primula pumila +
rose-magenta  +
Primula rusbyi +
rose-magenta  +
Primula suffrutescens +
rose-pink  +
Primula tschuktschorum +
rose-magenta  +
Primula veris +
orange spots  +, yellow  +
Psacalium +
ochroleucous  +, white  +
Psacalium decompositum +
ochroleucous  +, white  +
Psathyrotes +
yellowish  +
Psathyrotes annua +
purplish  +, yellow  +
Psathyrotes pilifera +
purplish  +, yellow  +
Psathyrotes ramosissima +
pale-yellow  +
Psathyrotopsis +
ochroleucous  +, bright-yellow  +
Psathyrotopsis scaposa +
ochroleucous  +, bright-yellow  +
Pseudabutilon +
yellow  +
Pseudabutilon thurberi +
yellow  +
Pseudabutilon umbellatum +
yellow  +
Pseudelephantopus +
pink  +, purple  +
Pseudelephantopus spicatus +
pink  +, purple  +
Pseudobahia +
yellow  +
Pseudobahia bahiifolia +
yellow  +
Pseudobahia heermannii +
yellow  +
Pseudobahia peirsonii +
yellow  +
Pseudoclappia +
yellowish  +
Pseudoclappia arenaria +
yellowish  +
Pseudoclappia watsonii +
yellowish  +
Pseudognaphalium +
yellowish  +
Pseudognaphalium arizonicum +
yellowish  +
Pseudognaphalium austrotexanum +
yellowish  +
Pseudognaphalium beneolens +
yellowish  +
Pseudognaphalium biolettii +
yellowish  +
Pseudognaphalium californicum +
yellowish  +
Pseudognaphalium canescens +
yellowish  +
Pseudognaphalium helleri +
yellowish  +
Pseudognaphalium jaliscense +
yellowish  +
Pseudognaphalium leucocephalum +
yellowish  +
Pseudognaphalium luteoalbum +
yellowish  +
Pseudognaphalium macounii +
yellowish  +
Pseudognaphalium micradenium +
yellowish  +
Pseudognaphalium microcephalum +
yellowish  +
Pseudognaphalium obtusifolium +
yellowish  +
Pseudognaphalium pringlei +
yellowish  +
Pseudognaphalium ramosissimum +
yellowish  +
Pseudognaphalium roseum +
yellowish  +
Pseudognaphalium saxicola +
yellowish  +
Pseudognaphalium stramineum +
yellowish  +
Pseudognaphalium thermale +
yellowish  +
Pseudognaphalium viscosum +
yellowish  +
Pseudogynoxys +
orange  +, more or less brick-red  +
Pseudogynoxys chenopodioides +
orange  +, more or less brick-red  +
Psilactis +
yellow  +, white  +, blue or purple  +
Psilactis asteroides +
yellow  +, white  +, blue or purple  +
Psilactis brevilingulata +
yellow  +, white  +, blue or purple  +
Psilactis gentryi +
yellow  +, white  +, blue or purple  +
Psilactis heterocarpa +
yellow  +, white  +, blue or purple  +
Psilactis tenuis +
yellow  +, white  +, blue or purple  +
Psilocarphus +
red-tipped  +, purplish  +, yellow  +, …
Psilocarphus brevissimus +
red-tipped  +, purplish  +, yellow  +, …
Psilocarphus brevissimus var. brevissimus +
red-tipped  +, purplish  +, yellow  +, …
Psilocarphus brevissimus var. multiflorus +
red-tipped  +, purplish  +, yellow  +, …
Psilocarphus chilensis +
red-tipped  +, purplish  +, yellow  +, …
Psilocarphus elatior +
red-tipped  +, purplish  +, yellow  +, …
Psilocarphus oregonus +
red-tipped  +, purplish  +, yellow  +, …
Psilocarphus tenellus +
red-tipped  +, purplish  +, yellow  +, …
Psilostrophe +
yellow  +, orange  +
Psilostrophe bakeri +
yellow  +, orange  +
Psilostrophe cooperi +
yellow  +, orange  +
Psilostrophe gnaphalodes +
yellow  +, orange  +
Psilostrophe sparsiflora +
yellow  +, orange  +
Psilostrophe tagetina +
yellow  +, orange  +
Psilostrophe villosa +
yellow  +, orange  +
Pterocaulon +
yellowish  +
Pterocaulon pycnostachyum +
yellowish  +
Pterocaulon virgatum +
yellowish  +
Pulicaria +
yellow  +
Pulicaria paludosa +
yellow  +
Pyrrhopappus +
yellow  +, whitish  +
Pyrrhopappus carolinianus +
yellow  +, whitish  +
Pyrrhopappus grandiflorus +
yellow  +, whitish  +
Pyrrhopappus pauciflorus +
yellow  +, whitish  +
Pyrrhopappus rothrockii +
yellow  +, whitish  +
Pyrrocoma +
yellow  +
Pyrrocoma apargioides +
yellow  +
Pyrrocoma carthamoides +
yellow  +
Pyrrocoma carthamoides var. carthamoides +
yellow  +
Pyrrocoma carthamoides var. cusickii +
yellow  +
Pyrrocoma carthamoides var. subsquarrosa +
yellow  +
Pyrrocoma clementis +
yellow  +
Pyrrocoma clementis var. clementis +
yellow  +
Pyrrocoma clementis var. villosa +
yellow  +
Pyrrocoma crocea +
yellow  +
Pyrrocoma crocea var. crocea +
yellow  +
Pyrrocoma crocea var. genuflexa +
yellow  +
Pyrrocoma hirta +
yellow  +
Pyrrocoma hirta var. hirta +
yellow  +
Pyrrocoma hirta var. lanulosa +
yellow  +
Pyrrocoma hirta var. sonchifolia +
yellow  +
Pyrrocoma insecticruris +
yellow  +
Pyrrocoma integrifolia +
yellow  +
Pyrrocoma lanceolata +
yellow  +
Pyrrocoma lanceolata var. lanceolata +
yellow  +
Pyrrocoma lanceolata var. subviscosa +
yellow  +
Pyrrocoma liatriformis +
yellow  +
Pyrrocoma linearis +
yellow  +
Pyrrocoma lucida +
yellow  +
Pyrrocoma racemosa +
yellow  +
Pyrrocoma racemosa var. congesta +
yellow  +
Pyrrocoma racemosa var. paniculata +
yellow  +
Pyrrocoma racemosa var. pinetorum +
yellow  +
Pyrrocoma racemosa var. racemosa +
yellow  +
Pyrrocoma racemosa var. sessiliflora +
yellow  +
Pyrrocoma radiata +
yellow  +
Pyrrocoma uniflora +
yellow  +
Pyrrocoma uniflora var. gossypina +
yellow  +
Pyrrocoma uniflora var. uniflora +
yellow  +
R
Rafinesquia +
white  +
Rafinesquia californica +
white  +
Rafinesquia neomexicana +
white  +
Raillardella +
concolorous  +, yellow  +, yellow-orange or orange  +
Raillardella argentea +
yellow  +
Raillardella pringlei +
orange  +, red-orange  +
Raillardella scaposa +
yellow  +, yellow-orange  +
Rainiera +
purple-tinged  +, yellow  +
Rainiera stricta +
purple-tinged  +, yellow  +
Ratibida +
purplish  +, yellowish green  +, maroon  +, …, …
Ratibida columnifera +
purplish  +, greenish yellow  +, bicolor  +, …, …
Ratibida peduncularis +
purplish  +, greenish yellow  +, bicolor  +, …, …
Ratibida peduncularis var. peduncularis +
purplish  +, greenish yellow  +, bicolor  +, …, …
Ratibida peduncularis var. picta +
purplish  +, greenish yellow  +, bicolor  +, …, …
Ratibida pinnata +
purplish  +, greenish yellow  +, yellow  +
Ratibida tagetes +
purplish  +, greenish yellow  +, purplish yellow  +, …
Rayjacksonia +
yellow  +
Rayjacksonia annua +
yellow  +
Rayjacksonia aurea +
yellow  +
Rayjacksonia phyllocephala +
yellow  +
Rhagadiolus +
yellow  +
Rhagadiolus stellatus +
yellow  +
Rhinanthus +
yellowish  +, yellow  +
Rhinanthus major +
yellowish  +, yellow  +
Rhinanthus minor +
yellowish  +, yellow  +
Rhinanthus minor subsp. groenlandicus +
yellowish  +, yellow  +
Rhinanthus minor subsp. minor +
yellowish  +, yellow  +
Rhododendron alabamense +
pink-tinged  +, white  +
Rhododendron albiflorum +
white  +
Rhododendron arborescens +
light pink  +, ,  +, white  +
Rhododendron atlanticum +
rose  +, flushed pink  +, white  +
Rhododendron austrinum +
yellow  +, orange  +
Rhododendron calendulaceum +
orange  +, red-orange  +
Rhododendron canadense +
rose-purple  +, pink rarely white unspotted or red-spotted  +
Rhododendron canescens +
pink  +, white  +
Rhododendron catawbiense +
yellowish-green spots  +, white  +, pink  +, …
Rhododendron columbianum +
white  +, cream  +
Rhododendron cumberlandense +
red  +
Rhododendron eastmanii +
white  +
Rhododendron flammeum +
bright red  +, orange-red or orange  +
Rhododendron groenlandicum +
white  +, cream  +
Rhododendron lapponicum +
white  +, rose  +, purple  +
Rhododendron macrophyllum +
white  +, pink or rose-purple  +
Rhododendron maximum +
white  +, pink rarely deep pink  +
Rhododendron minus +
white  +, pale-pink  +, dark  +
Rhododendron minus var. chapmanii +
white  +, pale-pink  +, dark  +
Rhododendron minus var. minus +
white  +, pale-pink  +, dark  +
Rhododendron occidentale +
white  +, with orange blotch  +, pink  +, …, …
Rhododendron periclymenoides +
pink  +, white  +
Rhododendron prinophyllum +
bright pink  +
Rhododendron prunifolium +
red  +, orange-red or orange  +
Rhododendron tomentosum +
white  +, cream  +
Rhododendron vaseyi +
white  +, pale  +, deep pink  +
Rhododendron viscosum +
pink  +, pink-tinged  +, white  +
Rigiopappus +
pale-yellow  +, tinged with red or tinged with purple  +, yellowish  +
Rigiopappus leptocladus +
pale-yellow  +, tinged with red or tinged with purple  +, yellowish  +
Roldana +
yellow-orange  +, yellow  +
Roldana hartwegii +
yellow-orange  +, yellow  +
Rudbeckia +
redbrown  +, red  +, greenish yellow  +, …
Rudbeckia alpicola +
proximally yellow  +, yellowish green distally yellow or greenish  +
Rudbeckia amplexicaulis +
purplish  +, greenish yellow  +, maroon  +, …, …
Rudbeckia auriculata +
proximally yellow  +, yellowish green distally yellow or greenish  +
Rudbeckia californica +
greenish yellow  +
Rudbeckia fulgida +
yellowish green  +
Rudbeckia fulgida var. deamii +
yellowish green  +
Rudbeckia fulgida var. fulgida +
yellowish green  +
Rudbeckia fulgida var. palustris +
yellowish green  +
Rudbeckia fulgida var. spathulata +
yellowish green  +
Rudbeckia fulgida var. speciosa +
yellowish green  +
Rudbeckia fulgida var. sullivantii +
yellowish green  +
Rudbeckia fulgida var. umbrosa +
yellowish green  +
Rudbeckia glaucescens +
yellowish green  +
Rudbeckia graminifolia +
maroon  +, orangish red  +
Rudbeckia grandiflora +
maroon  +, greenish yellow  +
Rudbeckia grandiflora var. alismifolia +
maroon  +, greenish yellow  +
Rudbeckia grandiflora var. grandiflora +
maroon  +, greenish yellow  +
Rudbeckia heliopsidis +
yellowish green  +
Rudbeckia hirta +
yellowish green  +
Rudbeckia hirta var. angustifolia +
yellowish green  +
Rudbeckia hirta var. floridana +
yellowish green  +
Rudbeckia hirta var. hirta +
yellowish green  +
Rudbeckia hirta var. pulcherrima +
yellowish green  +
Rudbeckia klamathensis +
yellowish green  +
Rudbeckia laciniata +
yellow  +, yellowish green  +
Rudbeckia laciniata var. ampla +
yellow  +, yellowish green  +
Rudbeckia laciniata var. bipinnata +
yellow  +, yellowish green  +
Rudbeckia laciniata var. heterophylla +
yellow  +, yellowish green  +
Rudbeckia laciniata var. humilis +
yellow  +, yellowish green  +
Rudbeckia laciniata var. laciniata +
yellow  +, yellowish green  +
Rudbeckia maxima +
maroon  +
Rudbeckia missouriensis +
purple-brown  +, greenish yellow  +
Rudbeckia mohrii +
maroon  +, yellowish green  +
Rudbeckia mollis +
proximally yellow  +, yellowish green  +
Rudbeckia montana +
greenish  +, maroon  +
Rudbeckia nitida +
maroon  +, yellowish green  +
Rudbeckia occidentalis +
blackish maroon  +, yellowish green  +
Rudbeckia scabrifolia +
maroon  +, greenish yellow  +, yellow  +
Rudbeckia sect. Dracopis +
purplish  +, greenish yellow  +, maroon  +, …, …
Rudbeckia sect. Macrocline +
proximally yellow  +, yellowish green distally yellow or greenish  +
Rudbeckia sect. Rudbeckia +
proximally yellow  +, yellowish green  +
Rudbeckia subtomentosa +
yellowish green  +
Rudbeckia texana +
maroon  +, greenish yellow  +
Rudbeckia triloba +
yellowish green  +
Rudbeckia triloba var. pinnatiloba +
yellowish green  +
Rudbeckia triloba var. rupestris +
yellowish green  +
Rudbeckia triloba var. triloba +
yellowish green  +
Rugelia +
greenish  +, whitish  +, ochroleucous  +
Rugelia nudicaulis +
greenish  +, whitish  +, ochroleucous  +
Russelia +
red  +
Russelia equisetiformis +
red  +
S
Sachsia +
whitish  +
Sachsia polycephala +
whitish  +
Sairocarpus +
white  +, purple pink red or tan  +
Sairocarpus cornutus +
white  +, pale lavender  +
Sairocarpus cornutus subsp. cornutus +
white  +
Sairocarpus cornutus subsp. leptaleus +
white  +, pale lavender  +
Sairocarpus coulterianus +
white  +, light purple  +
Sairocarpus kingii +
white  +
Sairocarpus multiflorus +
pale-pink  +, red  +
Sairocarpus nuttallianus +
pale-purple  +, purple  +
Sairocarpus subcordatus +
white  +, tan  +
Sairocarpus vexillocalyculatus +
light purple  +, white  +
Sairocarpus vexillocalyculatus subsp. breweri +
white  +, light purple  +
Sairocarpus vexillocalyculatus subsp. intermedius +
light purple  +
Sairocarpus vexillocalyculatus subsp. vexillocalyculatus +
light purple  +
Sairocarpus virga +
pink  +, pale-pink  +
Sairocarpus watsonii +
light purple  +
Samolus +
white  +, pinkish  +
Samolus ebracteatus +
whitish  +, pink  +
Samolus parviflorus +
white  +
Samolus vagans +
white  +
Santolina +
yellow  +, pale  +
Santolina chamaecyparissus +
gland-dotted  +
Sanvitalia +
distally yellow  +, orange  +
Sanvitalia abertii +
distally yellow  +, orange  +
Sanvitalia ocymoides +
distally yellow  +, orange  +
Sanvitalia procumbens +
distally yellow  +, orange  +
Sartwellia +
yellow  +
Sartwellia flaveriae +
yellow  +
Saussurea +
white  +, blue or purple  +
Saussurea amara +
white  +, blue or purple  +
Saussurea amara var. glomerata +
pale-purple  +, pink  +
Saussurea americana +
usually pale lavender-blue  +, dark purple  +
Saussurea angustifolia +
white  +, blue or purple  +
Saussurea angustifolia var. angustifolia +
white  +, blue or purple  +
Saussurea angustifolia var. viscida +
white  +, blue or purple  +
Saussurea angustifolia var. yukonensis +
white  +, blue or purple  +
Saussurea nuda +
white  +, blue or purple  +
Saussurea triangulata +
light purple  +
Saussurea weberi +
white  +, blue or purple  +
Scabrethia +
yellow  +
Scabrethia scabra +
yellow  +
Scabrethia scabra subsp. attenuata +
yellow  +
Scabrethia scabra subsp. canescens +
yellow  +
Scabrethia scabra subsp. scabra +
yellow  +
Schistophragma +
purple  +, pink  +
Schistophragma intermedium +
purple  +, pink  +
Schkuhria +
red-tipped  +, yellow  +, yellowish  +
Schkuhria multiflora +
yellowish  +
Schkuhria pinnata +
yellow  +, white  +
Schwalbea +
suffused with purple  +, pale-yellow  +
Schwalbea americana +
suffused with purple  +, pale-yellow  +
Sclerocarpus +
usually yellow  +, orange  +
Sclerocarpus uniserialis +
usually yellow  +, orange  +
Sclerolepis +
pink-lavender  +, flesh-colored  +
Sclerolepis uniflora +
pink-lavender  +, flesh-colored  +
Scolymus +
yellow  +
Scolymus hispanicus +
yellow  +
Scolymus maculatus +
yellow  +
Scoparia +
orangish yellow  +, yellow  +, lavender  +, …, …
Scoparia dulcis +
lavender  +, tinged pink  +, white  +
Scoparia montevidensis +
orangish yellow  +, yellow  +
Scorzonera +
whitish  +, yellow or purplish  +
Scorzonera hispanica +
whitish  +, yellow or purplish  +
Scorzonera laciniata +
whitish  +, yellow or purplish  +
Scrophularia +
paler  +, green  +, cream  +, …, …
Scrophularia atrata +
paler  +, bicolored  +, unicolored  +, …
Scrophularia californica +
paler  +, bicolored  +, unicolored  +, …, …
Scrophularia desertorum +
paler  +, unicolored  +, bicolored  +, …, …
Scrophularia laevis +
paler  +, red  +, green unicolored or more or less bicolored  +
Scrophularia lanceolata +
paler  +, brown-red  +, green unicolored or more or less bicolored  +
Scrophularia macrantha +
unicolored  +, bright red  +
Scrophularia marilandica +
paler  +, bicolored  +, unicolored  +, …
Scrophularia montana +
paler  +, bicolored  +, unicolored  +, …, …
Scrophularia parviflora +
paler  +, red  +, green unicolored or more or less bicolored  +
Scrophularia peregrina +
unicolored  +, purple-red  +, dark brown-red  +
Scrophularia villosa +
paler  +, bicolored  +, unicolored  +, …
Senecio +
purplish  +, reddish  +, white  +, …, …
Senecio actinella +
purplish  +, reddish  +, white  +, …, …
Senecio amplectens +
purplish  +, reddish  +, white  +, …, …
Senecio amplectens var. amplectens +
purplish  +, reddish  +, white  +, …, …
Senecio amplectens var. holmii +
purplish  +, reddish  +, white  +, …, …
Senecio ampullaceus +
purplish  +, reddish  +, white  +, …, …
Senecio aphanactis +
purplish  +, reddish  +, white  +, …, …
Senecio arizonicus +
purplish  +, reddish  +, white  +, …, …
Senecio aronicoides +
purplish  +, reddish  +, white  +, …, …
Senecio astephanus +
purplish  +, reddish  +, white  +, …, …
Senecio atratus +
purplish  +, reddish  +, white  +, …, …
Senecio bigelovii +
purplish  +, reddish  +, white  +, …, …
Senecio bigelovii var. bigelovii +
purplish  +, reddish  +, white  +, …, …
Senecio bigelovii var. hallii +
purplish  +, reddish  +, white  +, …, …
Senecio blochmaniae +
purplish  +, reddish  +, white  +, …, …
Senecio californicus +
purplish  +, reddish  +, white  +, …, …
Senecio cannabifolius +
purplish  +, reddish  +, white  +, …, …
Senecio clarkianus +
purplish  +, reddish  +, white  +, …, …
Senecio crassulus +
purplish  +, reddish  +, white  +, …, …
Senecio elegans +
purplish  +, reddish  +, white  +, …, …
Senecio elmeri +
purplish  +, reddish  +, white  +, …, …
Senecio eremophilus +
purplish  +, reddish  +, white  +, …, …
Senecio eremophilus var. eremophilus +
purplish  +, reddish  +, white  +, …, …
Senecio eremophilus var. kingii +
purplish  +, reddish  +, white  +, …, …
Senecio eremophilus var. macdougalii +
purplish  +, reddish  +, white  +, …, …
Senecio ertterae +
purplish  +, reddish  +, white  +, …, …
Senecio erucifolius +
purplish  +, reddish  +, white  +, …, …
Senecio flaccidus +
purplish  +, reddish  +, white  +, …, …
Senecio flaccidus var. douglasii +
purplish  +, reddish  +, white  +, …, …
Senecio flaccidus var. flaccidus +
purplish  +, reddish  +, white  +, …, …
Senecio flaccidus var. monoensis +
purplish  +, reddish  +, white  +, …, …
Senecio fremontii +
purplish  +, reddish  +, white  +, …, …
Senecio fremontii var. blitoides +
purplish  +, reddish  +, white  +, …, …
Senecio fremontii var. fremontii +
purplish  +, reddish  +, white  +, …, …
Senecio fremontii var. inexpectatus +
purplish  +, reddish  +, white  +, …, …
Senecio fremontii var. occidentalis +
purplish  +, reddish  +, white  +, …, …
Senecio hydrophiloides +
purplish  +, reddish  +, white  +, …, …
Senecio hydrophilus +
purplish  +, reddish  +, white  +, …, …
Senecio integerrimus +
purplish  +, reddish  +, white  +, …, …
Senecio integerrimus var. exaltatus +
yellow  +
Senecio integerrimus var. integerrimus +
yellow  +
Senecio integerrimus var. major +
yellow  +
Senecio integerrimus var. ochroleucus +
ochroleucous  +, white  +
Senecio integerrimus var. scribneri +
yellow  +
Senecio jacobaea +
purplish  +, reddish  +, white  +, …, …
Senecio lemmonii +
purplish  +, reddish  +, white  +, …, …
Senecio lugens +
purplish  +, reddish  +, white  +, …, …
Senecio lyonii +
purplish  +, reddish  +, white  +, …, …
Senecio megacephalus +
purplish  +, reddish  +, white  +, …, …
Senecio mohavensis +
purplish  +, reddish  +, white  +, …, …
Senecio multidentatus +
purplish  +, reddish  +, white  +, …, …
Senecio multidentatus var. huachucanus +
purplish  +, reddish  +, white  +, …, …
Senecio neowebsteri +
purplish  +, reddish  +, white  +, …, …
Senecio parryi +
purplish  +, reddish  +, white  +, …, …
Senecio pattersonensis +
purplish  +, reddish  +, white  +, …, …
Senecio pseudoarnica +
purplish  +, reddish  +, white  +, …, …
Senecio pudicus +
purplish  +, reddish  +, white  +, …, …
Senecio quaylei +
purplish  +, reddish  +, white  +, …, …
Senecio rapifolius +
purplish  +, reddish  +, white  +, …, …
Senecio riddellii +
purplish  +, reddish  +, white  +, …, …
Senecio sacramentanus +
purplish  +, reddish  +, white  +, …, …
Senecio scorzonella +
purplish  +, reddish  +, white  +, …, …
Senecio serra +
purplish  +, reddish  +, white  +, …, …
Senecio serra var. admirabilis +
purplish  +, reddish  +, white  +, …, …
Senecio serra var. serra +
purplish  +, reddish  +, white  +, …, …
Senecio sheldonensis +
purplish  +, reddish  +, white  +, …, …
Senecio soldanella +
purplish  +, reddish  +, white  +, …, …
Senecio spartioides +
purplish  +, reddish  +, white  +, …, …
Senecio sphaerocephalus +
purplish  +, reddish  +, white  +, …, …
Senecio spribillei +
purplish  +, reddish  +, white  +, …, …
Senecio squalidus +
purplish  +, reddish  +, white  +, …, …
Senecio sylvaticus +
purplish  +, reddish  +, white  +, …, …
Senecio taraxacoides +
purplish  +, reddish  +, white  +, …, …
Senecio triangularis +
purplish  +, reddish  +, white  +, …, …
Senecio viscosus +
purplish  +, reddish  +, white  +, …, …
Senecio vulgaris +
purplish  +, reddish  +, white  +, …, …
Senecio warnockii +
purplish  +, reddish  +, white  +, …, …
Senecio wootonii +
purplish  +, reddish  +, white  +, …, …
Sericocarpus +
white  +, cream  +
Sericocarpus asteroides +
white  +, cream  +
Sericocarpus linifolius +
white  +, cream  +
Sericocarpus oregonensis +
white  +, cream  +
Sericocarpus oregonensis subsp. californicus +
white  +, cream  +
Sericocarpus oregonensis subsp. oregonensis +
white  +, cream  +
Sericocarpus rigidus +
white  +, cream  +
Sericocarpus tortifolius +
white  +, cream  +
Sesamum +
white;pale-pink or pale-purple  +
Sesamum indicum +
white;pale-pink or pale-purple  +
Seymeria +
purple  +, maroon  +, punct  +, …, …
Seymeria bipinnatisecta +
yellow  +
Seymeria cassioides +
yellow  +
Seymeria falcata +
purple  +, maroon  +, punct  +, …, …
Seymeria falcata var. falcata +
yellow  +
Seymeria pectinata +
yellow  +
Seymeria pectinata subsp. pectinata +
yellow  +
Seymeria pectinata subsp. peninsularis +
yellow  +
Seymeria scabra +
yellow  +
Shinnersia +
white  +
Shinnersia rivularis +
white  +
Shinnersoseris +
lavender  +, pale-purple  +
Shinnersoseris rostrata +
lavender  +, pale-purple  +
Sicyos angulatus +
white  +, greenish white  +
Sicyos glaber +
greenish yellow  +, yellow  +
Sicyos laciniatus +
white  +
Sicyos microphyllus +
greenish white  +
Sida +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida abutilifolia +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida antillensis +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida ciliaris +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida cordifolia +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida elliottii +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida elliottii var. elliottii +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida elliottii var. parviflora +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida glabra +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida hermaphrodita +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida lindheimeri +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida littoralis +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida longipes +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida neomexicana +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida planicaulis +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida rhombifolia +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida rubromarginata +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida santaremensis +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida spinosa +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida tragiifolia +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida ulmifolia +
reddish  +, red-orange  +, salmon-pink  +, …, …
Sida urens +
reddish  +, red-orange  +, salmon-pink  +, …, …
Silene bridgesii +
greenish abaxially and pink tinged  +, white  +
Silene conica subsp. conica +
dark red  +, white  +, pink  +
Silene coniflora +
orange  +, purple-tinged  +, cream  +
Silene conoidea +
pink  +
Silene coronaria +
white  +, magenta-pink  +
Silene douglasii +
greenish and occasionally tinged with dark-pink  +, creamy white  +
Silene douglasii var. douglasii +
greenish and occasionally tinged with dark-pink  +, creamy white  +
Silene douglasii var. oraria +
greenish and occasionally tinged with dark-pink  +, creamy white  +
Silene douglasii var. rupinae +
greenish and occasionally tinged with dark-pink  +, creamy white  +
Silene hookeri +
white  +, coral pink  +
Silene hookeri subsp. bolanderi +
white  +, coral pink  +
Silene hookeri subsp. hookeri +
white  +, coral pink  +
Silene kingii +
pink  +, purple  +
Silene laciniata +
scarlet  +
Silene laciniata subsp. californica +
scarlet  +
Silene laciniata subsp. greggii +
scarlet  +
Silene laciniata subsp. laciniata +
scarlet  +
Silene lemmonii +
tinged with pink  +, yellowish white  +
Silene marmorensis +
greenish  +, pale-pink  +
Silene menziesii +
white  +
Silene nachlingerae +
purple  +, pink  +, flushed  +, …
Silene nivea +
white  +
Silene noctiflora +
pink tinged  +, white  +
Silene nuda +
pink  +
Silene occidentalis +
rose red  +, pink  +
Silene oregana +
pink tinged  +, creamy white  +
Silene ostenfeldii +
white  +, pink  +
Silene ovata +
white  +
Silene parishii +
yellow  +, white  +
Silene parryi +
purple  +, tinged green  +, white  +
Silene pendula +
bright pink  +
Silene petersonii +
bright pink  +
Silene plankii +
scarlet  +
Silene polypetala +
white  +, pink  +
Silene pseudatocion +
bright pink  +
Silene rectiramea +
tinged purple  +, white  +, cream  +
Silene regia +
scarlet  +
Silene repens +
white  +, rose-pink  +
Silene rotundifolia +
scarlet  +
Silene sargentii +
purple-tinged  +, pink  +, off-white  +
Silene scaposa +
off-white  +, dingy purple-red  +
Silene scouleri +
purple  +, tinged pink  +, pink  +, …, …
Silene scouleri subsp. hallii +
pink tinged  +, greenish white  +, white  +
Silene scouleri subsp. pringlei +
greenish  +, suffused with purple  +, white  +
Silene scouleri subsp. scouleri +
tinged with pink  +, dull pink  +
Silene seelyi +
white  +, dark red  +
Silene serpentinicola +
scarlet  +
Silene sibirica +
greenish white  +
Silene sorensenis +
white  +, dingy pink  +
Silene spaldingii +
greenish white  +
Silene stellata +
white  +
Silene subciliata +
scarlet  +
Silene suecica +
bright pink  +
Silene suksdorfii +
tinged with dusky purple  +, off-white  +
Silene thurberi +
greenish white  +
Silene uralensis +
red  +, purple  +, dingy pink  +
Silene uralensis subsp. ogilviensis +
dingy purple  +
Silene uralensis subsp. porsildii +
dingy purple-red  +
Silene uralensis subsp. uralensis +
dingy pink  +, purple  +
Silene verecunda +
off-white  +, dusky pink  +
Silene virginica +
scarlet  +
Silene viscaria subsp. viscaria +
dark-pink  +, purple  +
Silene williamsii +
white  +
Silene wrightii +
purple-tinged  +, white  +, pale-yellow  +
Silphium +
white  +, yellow  +
Silphium albiflorum +
white  +
Silphium asteriscus +
yellow  +
Silphium asteriscus var. asteriscus +
yellow  +
Silphium asteriscus var. dentatum +
yellow  +
Silphium asteriscus var. latifolium +
yellow  +
Silphium asteriscus var. simpsonii +
yellow  +
Silphium asteriscus var. trifoliatum +
yellow  +
Silphium brachiatum +
yellow  +
Silphium compositum +
yellow  +
Silphium glutinosum +
pale-yellow  +
Silphium integrifolium +
yellow  +
Silphium integrifolium var. integrifolium +
yellow  +
Silphium integrifolium var. laeve +
yellow  +
Silphium laciniatum +
yellow  +
Silphium mohrii +
pale-yellow  +
Silphium perfoliatum +
yellow  +
Silphium perfoliatum var. connatum +
yellow  +
Silphium perfoliatum var. perfoliatum +
yellow  +
Silphium radula +
yellow  +
Silphium radula var. gracile +
yellow  +
Silphium radula var. radula +
yellow  +
Silphium terebinthinaceum +
yellow  +
Silphium terebinthinaceum var. pinnatifidum +
yellow  +
Silphium terebinthinaceum var. terebinthinaceum +
yellow  +
Silphium wasiotense +
yellow  +
Silybum +
pink  +, purple  +
Silybum marianum +
pink  +, purple  +
Simsia +
concolorous  +, orange-yellow  +
Simsia calva +
light orange-yellow  +
Simsia lagasceiformis +
orange-yellow  +
Sinosenecio +
yellow  +, orange-yellow  +
Sinosenecio newcombei +
yellow  +, orange-yellow  +
Smallanthus +
yellow  +
Smallanthus uvedalia +
yellow  +
Solidago +
yellow  +, white  +
Solidago (sect. Solidago) ser. Argutae +
yellow  +, white  +
Solidago (sect. Solidago) ser. Auriculatae +
yellow  +, white  +
Solidago (sect. Solidago) ser. Brachychaeta +
yellow  +, white  +
Solidago (sect. Solidago) ser. Drummondiani +
yellow  +, white  +
Solidago (sect. Solidago) ser. Odorae +
yellow  +, white  +
Solidago (sect. Solidago) ser. Venosae +
yellow  +, white  +
Solidago albopilosa +
yellow  +, white  +
Solidago altiplanities +
yellow  +, white  +
Solidago altissima +
yellow  +, white  +
Solidago altissima subsp. altissima +
yellow  +, white  +
Solidago altissima subsp. gilvocanescens +
yellow  +, white  +
Solidago arenicola +
yellow  +, white  +
Solidago arguta +
yellow  +, white  +
Solidago arguta subsp. arguta +
yellow  +, white  +
Solidago arguta subsp. caroliniana +
yellow  +, white  +
Solidago arguta var. arguta +
yellow  +, white  +
Solidago arguta var. boottii +
yellow  +, white  +
Solidago arguta var. caroliniana +
yellow  +, white  +
Solidago arguta var. harrisii +
yellow  +, white  +
Solidago auriculata +
yellow  +, white  +
Solidago bicolor +
yellow  +, white  +
Solidago brachyphylla +
yellow  +, white  +
Solidago buckleyi +
yellow  +, white  +
Solidago caesia +
yellow  +, white  +
Solidago caesia var. caesia +
yellow  +, white  +
Solidago caesia var. zedia +
yellow  +, white  +
Solidago canadensis +
yellow  +, white  +
Solidago canadensis var. canadensis +
yellow  +, white  +