Property:Head arrangement

Types of head arrangement

None.

Parts of head arrangement

None.

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Showing 3911 pages using this property.
A
Acamptopappus +
in loose corymbiform arrays  +, singly  +
Acamptopappus shockleyi +
singly  +
Acamptopappus sphaerocephalus +
in loose corymbiform arrays  +, singly  +
Acamptopappus sphaerocephalus var. hirtellus +
in loose corymbiform arrays  +, singly  +
Acamptopappus sphaerocephalus var. sphaerocephalus +
in loose corymbiform arrays  +, singly  +
Acanthospermum +
in open , corymbiform arrays  +, singly  +
Acanthospermum australe +
in open , corymbiform arrays  +, singly  +
Acanthospermum hispidum +
in open , corymbiform arrays  +, singly  +
Acanthospermum humile +
in open , corymbiform arrays  +, singly  +
Achillea +
in subcapitate clusters  +, singly  +
Achillea alpina +
in subcapitate clusters  +, singly  +
Achillea millefolium +
in subcapitate clusters  +, singly  +
Achillea nobilis +
in subcapitate clusters  +, singly  +
Achillea ptarmica +
in subcapitate clusters  +, singly  +
Achyrachaena +
in loose , more or less corymbiform arrays  +, singly  +
Achyrachaena mollis +
in loose , more or less corymbiform arrays  +, singly  +
Acmella +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Acmella pusilla +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Acmella repens +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Acourtia +
in paniculiform or corymbiform arrays  +, singly  +
Acourtia microcephala +
in paniculiform or corymbiform arrays  +, singly  +
Acourtia nana +
singly  +
Acourtia runcinata +
singly  +
Acourtia thurberi +
in paniculiform or corymbiform arrays  +, singly  +
Acourtia wrightii +
in paniculiform or corymbiform arrays  +, singly  +
Acroptilon +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Acroptilon repens +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Adenocaulon +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Adenocaulon bicolor +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Adenophyllum +
singly  +
Adenophyllum cooperi +
singly  +
Adenophyllum porophylloides +
singly  +
Adenophyllum wrightii +
singly  +
Adenophyllum wrightii var. wrightii +
singly  +
Ageratina +
singly  +
Ageratina adenophora +
singly  +
Ageratina altissima +
singly  +
Ageratina altissima var. altissima +
singly  +
Ageratina altissima var. roanensis +
singly  +
Ageratina aromatica +
singly  +
Ageratina havanensis +
singly  +
Ageratina herbacea +
singly  +
Ageratina jucunda +
singly  +
Ageratina lemmonii +
singly  +
Ageratina luciae-brauniae +
singly  +
Ageratina occidentalis +
singly  +
Ageratina paupercula +
singly  +
Ageratina rothrockii +
singly  +
Ageratina shastensis +
singly  +
Ageratina thyrsiflora +
singly  +
Ageratina wrightii +
singly  +
Ageratum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Ageratum conyzoides +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Ageratum corymbosum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Ageratum houstonianum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Ageratum maritimum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Agnorhiza +
in more or less racemiform arrays  +, singly  +
Agnorhiza bolanderi +
in more or less racemiform arrays  +, singly  +
Agnorhiza elata +
in more or less racemiform arrays  +, singly  +
Agnorhiza invenusta +
in more or less racemiform arrays  +, singly  +
Agnorhiza ovata +
in more or less racemiform arrays  +, singly  +
Agnorhiza reticulata +
in more or less racemiform arrays  +, singly  +
Agoseris +
singly  +
Agoseris apargioides +
singly  +
Agoseris apargioides var. apargioides +
singly  +
Agoseris apargioides var. eastwoodiae +
singly  +
Agoseris apargioides var. maritima +
singly  +
Agoseris aurantiaca +
singly  +
Agoseris aurantiaca var. aurantiaca +
singly  +
Agoseris aurantiaca var. purpurea +
singly  +
Agoseris glauca +
singly  +
Agoseris glauca var. dasycephala +
singly  +
Agoseris glauca var. glauca +
singly  +
Agoseris grandiflora +
singly  +
Agoseris grandiflora var. grandiflora +
singly  +
Agoseris grandiflora var. leptophylla +
singly  +
Agoseris heterophylla +
singly  +
Agoseris heterophylla var. cryptopleura +
singly  +
Agoseris heterophylla var. heterophylla +
singly  +
Agoseris heterophylla var. quentinii +
singly  +
Agoseris hirsuta +
singly  +
Agoseris monticola +
singly  +
Agoseris parviflora +
singly  +
Agoseris retrorsa +
singly  +
Agoseris ×elata +
singly  +
Almutaster +
singly  +
Almutaster pauciflorus +
singly  +
Amauriopsis +
radiant  +, singly  +
Amauriopsis dissecta +
radiant  +, singly  +
Amberboa +
radiant  +, singly  +
Amberboa moschata +
radiant  +, singly  +
Amblyolepis +
singly  +
Amblyolepis setigera +
singly  +
Amblyopappus +
in corymbiform , glomerate or paniculiform , arrays  +, singly  +
Amblyopappus pusillus +
in corymbiform , glomerate or paniculiform , arrays  +, singly  +
Ambrosia +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia acanthicarpa +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia ambrosioides +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia artemisiifolia +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia bidentata +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia chamissonis +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia cheiranthifolia +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia chenopodiifolia +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia confertiflora +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia cordifolia +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia deltoidea +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia dumosa +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia eriocentra +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia grayi +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia hispida +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia ilicifolia +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia linearis +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia monogyra +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia psilostachya +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia pumila +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia salsola +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia tomentosa +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ambrosia trifida +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ampelaster +
singly  +
Ampelaster carolinianus +
singly  +
Amphiachyris +
singly  +
Amphiachyris amoena +
singly  +
Amphiachyris dracunculoides +
singly  +
Amphipappus +
singly  +
Amphipappus fremontii +
singly  +
Amphipappus fremontii var. fremontii +
singly  +
Amphipappus fremontii var. spinosus +
singly  +
Anaphalis +
aggregated  +, singly  +
Anaphalis margaritacea +
aggregated  +, singly  +
Ancistrocarphus +
aggregated  +, singly  +
Ancistrocarphus filagineus +
aggregated  +, singly  +
Ancistrocarphus keilii +
aggregated  +, singly  +
Anisocarpus +
in corymbiform or racemiform arrays  +, singly  +
Anisocarpus madioides +
in corymbiform or racemiform arrays  +, singly  +
Anisocarpus scabridus +
in corymbiform or racemiform arrays  +, singly  +
Anisocoma +
singly  +
Anisocoma acaulis +
singly  +
Antennaria +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria alpina +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria anaphaloides +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria arcuata +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria argentea +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria aromatica +
singly  +
Antennaria corymbosa +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria densifolia +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria dimorpha +
singly  +
Antennaria dioica +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria flagellaris +
singly  +
Antennaria friesiana +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria friesiana subsp. alaskana +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria friesiana subsp. friesiana +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria friesiana subsp. neoalaskana +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria geyeri +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria howellii +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria howellii subsp. canadensis +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria howellii subsp. howellii +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria howellii subsp. neodioica +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria howellii subsp. petaloidea +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria lanata +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria luzuloides +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria luzuloides subsp. aberrans +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria luzuloides subsp. luzuloides +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria marginata +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria media +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria microphylla +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria monocephala +
singly  +
Antennaria monocephala subsp. angustata +
singly  +
Antennaria monocephala subsp. monocephala +
singly  +
Antennaria neglecta +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria parlinii +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria parlinii subsp. fallax +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria parlinii subsp. parlinii +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria parvifolia +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria plantaginifolia +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria pulchella +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria pulcherrima +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria pulcherrima subsp. eucosma +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria pulcherrima subsp. pulcherrima +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria racemosa +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria rosea +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria rosea subsp. arida +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria rosea subsp. confinis +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria rosea subsp. pulvinata +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria rosea subsp. rosea +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria rosulata +
singly  +
Antennaria soliceps +
singly  +
Antennaria solitaria +
singly  +
Antennaria stenophylla +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria suffrutescens +
singly  +
Antennaria umbrinella +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Antennaria virginica +
in corymbiform , paniculiform , racemiform or subcapitate , arrays  +, singly  +
Anthemis +
in lax , corymbiform arrays  +, singly  +
Anthemis arvensis +
in lax , corymbiform arrays  +, singly  +
Anthemis cotula +
in lax , corymbiform arrays  +, singly  +
Aphanostephus +
singly  +
Aphanostephus pilosus +
singly  +
Aphanostephus ramosissimus +
singly  +
Aphanostephus ramosissimus var. humilis +
singly  +
Aphanostephus ramosissimus var. ramosissimus +
singly  +
Aphanostephus riddellii +
singly  +
Aphanostephus skirrhobasis +
singly  +
Aphanostephus skirrhobasis var. kidderi +
singly  +
Aphanostephus skirrhobasis var. skirrhobasis +
singly  +
Aphanostephus skirrhobasis var. thalassius +
singly  +
Arctanthemum +
in 2s  +, singly  +
Arctanthemum arcticum +
in 2s  +, singly  +
Arctanthemum arcticum subsp. arcticum +
in 2s  +, singly  +
Arctanthemum arcticum subsp. polare +
in 2s  +, singly  +
Arctium +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Arctium lappa +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Arctium minus +
cluster  +
Arctium tomentosum +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Arctotheca +
singly  +
Arctotheca calendula +
singly  +
Arctotis +
singly  +
Arctotis fastuosa +
singly  +
Arctotis stoechadifolia +
singly  +
Argyranthemum +
in open , corymbiform arrays  +, singly  +
Argyranthemum foeniculaceum +
in open , corymbiform arrays  +, singly  +
Arida +
singly  +
Arida arizonica +
singly  +
Arida blepharophylla +
singly  +
Arida carnosa +
singly  +
Arida mattturneri +
singly  +
Arida parviflora +
singly  +
Arida riparia +
singly  +
Arnica +
in cymiform or corymbiform arrays  +, singly  +
Arnica acaulis +
in cymiform or corymbiform arrays  +, singly  +
Arnica angustifolia +
in cymiform or corymbiform arrays  +, singly  +
Arnica angustifolia subsp. angustifolia +
in cymiform or corymbiform arrays  +, singly  +
Arnica angustifolia subsp. tomentosa +
in cymiform or corymbiform arrays  +, singly  +
Arnica cernua +
in cymiform or corymbiform arrays  +, singly  +
Arnica chamissonis +
in cymiform or corymbiform arrays  +, singly  +
Arnica cordifolia +
in cymiform or corymbiform arrays  +, singly  +
Arnica dealbata +
in cymiform or corymbiform arrays  +, singly  +
Arnica discoidea +
in cymiform or corymbiform arrays  +, singly  +
Arnica fulgens +
in cymiform or corymbiform arrays  +, singly  +
Arnica gracilis +
in cymiform or corymbiform arrays  +, singly  +
Arnica griscomii +
in cymiform or corymbiform arrays  +, singly  +
Arnica griscomii subsp. frigida +
in cymiform or corymbiform arrays  +, singly  +
Arnica griscomii subsp. griscomii +
in cymiform or corymbiform arrays  +, singly  +
Arnica lanceolata +
in cymiform or corymbiform arrays  +, singly  +
Arnica lanceolata subsp. lanceolata +
in cymiform or corymbiform arrays  +, singly  +
Arnica lanceolata subsp. prima +
in cymiform or corymbiform arrays  +, singly  +
Arnica latifolia +
in cymiform or corymbiform arrays  +, singly  +
Arnica lessingii +
in cymiform or corymbiform arrays  +, singly  +
Arnica lonchophylla +
in cymiform or corymbiform arrays  +, singly  +
Arnica longifolia +
in cymiform or corymbiform arrays  +, singly  +
Arnica louiseana +
in cymiform or corymbiform arrays  +, singly  +
Arnica mollis +
in cymiform or corymbiform arrays  +, singly  +
Arnica nevadensis +
in cymiform or corymbiform arrays  +, singly  +
Arnica ovata +
in cymiform or corymbiform arrays  +, singly  +
Arnica parryi +
in cymiform or corymbiform arrays  +, singly  +
Arnica rydbergii +
in cymiform or corymbiform arrays  +, singly  +
Arnica sororia +
in cymiform or corymbiform arrays  +, singly  +
Arnica spathulata +
in cymiform or corymbiform arrays  +, singly  +
Arnica unalaschcensis +
in cymiform or corymbiform arrays  +, singly  +
Arnica venosa +
in cymiform or corymbiform arrays  +, singly  +
Arnica viscosa +
in cymiform or corymbiform arrays  +, singly  +
Arnoglossum +
singly  +
Arnoglossum album +
singly  +
Arnoglossum atriplicifolium +
singly  +
Arnoglossum diversifolium +
singly  +
Arnoglossum floridanum +
singly  +
Arnoglossum ovatum +
singly  +
Arnoglossum plantagineum +
singly  +
Arnoglossum reniforme +
singly  +
Arnoglossum sulcatum +
singly  +
Arnoseris +
singly  +
Arnoseris minima +
singly  +
Artemisia +
in subcapitate clusters  +, singly  +
Artemisia abrotanum +
in subcapitate clusters  +, singly  +
Artemisia absinthium +
in subcapitate clusters  +, singly  +
Artemisia alaskana +
in subcapitate clusters  +, singly  +
Artemisia aleutica +
in subcapitate clusters  +, singly  +
Artemisia annua +
in subcapitate clusters  +, singly  +
Artemisia arbuscula +
singly  +
Artemisia arbuscula subsp. arbuscula +
singly  +
Artemisia arbuscula subsp. longiloba +
singly  +
Artemisia arbuscula subsp. thermopola +
singly  +
Artemisia biennis +
in subcapitate clusters  +, singly  +
Artemisia bigelovii +
in subcapitate clusters  +, singly  +
Artemisia borealis +
in subcapitate clusters  +, singly  +
Artemisia borealis subsp. borealis +
in subcapitate clusters  +, singly  +
Artemisia borealis subsp. richardsoniana +
in subcapitate clusters  +, singly  +
Artemisia californica +
in subcapitate clusters  +, singly  +
Artemisia campestris +
in subcapitate clusters  +, singly  +
Artemisia campestris subsp. canadensis +
in subcapitate clusters  +, singly  +
Artemisia campestris subsp. caudata +
in subcapitate clusters  +, singly  +
Artemisia campestris subsp. pacifica +
in subcapitate clusters  +, singly  +
Artemisia cana +
in subcapitate clusters  +, singly  +
Artemisia cana subsp. bolanderi +
in subcapitate clusters  +, singly  +
Artemisia cana subsp. cana +
in subcapitate clusters  +, singly  +
Artemisia cana subsp. viscidula +
in subcapitate clusters  +, singly  +
Artemisia carruthii +
in subcapitate clusters  +, singly  +
Artemisia douglasiana +
in subcapitate clusters  +, singly  +
Artemisia dracunculus +
in subcapitate clusters  +, singly  +
Artemisia filifolia +
in subcapitate clusters  +, singly  +
Artemisia franserioides +
in subcapitate clusters  +, singly  +
Artemisia frigida +
in subcapitate clusters  +, singly  +
Artemisia furcata +
in subcapitate clusters  +, singly  +
Artemisia globularia +
in subcapitate clusters  +, singly  +
Artemisia globularia subsp. globularia +
in subcapitate clusters  +, singly  +
Artemisia globularia subsp. lutea +
in subcapitate clusters  +, singly  +
Artemisia glomerata +
in subcapitate clusters  +, singly  +
Artemisia laciniata +
in subcapitate clusters  +, singly  +
Artemisia laciniata subsp. laciniata +
in subcapitate clusters  +, singly  +
Artemisia laciniata subsp. parryi +
in subcapitate clusters  +, singly  +
Artemisia longifolia +
in subcapitate clusters  +, singly  +
Artemisia ludoviciana +
in subcapitate clusters  +, singly  +
Artemisia ludoviciana subsp. albula +
in subcapitate clusters  +, singly  +
Artemisia ludoviciana subsp. candicans +
in subcapitate clusters  +, singly  +
Artemisia ludoviciana subsp. incompta +
in subcapitate clusters  +, singly  +
Artemisia ludoviciana subsp. ludoviciana +
in subcapitate clusters  +, singly  +
Artemisia ludoviciana subsp. mexicana +
in subcapitate clusters  +, singly  +
Artemisia ludoviciana subsp. redolens +
in subcapitate clusters  +, singly  +
Artemisia michauxiana +
in subcapitate clusters  +, singly  +
Artemisia nesiotica +
in subcapitate clusters  +, singly  +
Artemisia norvegica +
in subcapitate clusters  +, singly  +
Artemisia norvegica subsp. saxatilis +
in subcapitate clusters  +, singly  +
Artemisia nova +
in subcapitate clusters  +, singly  +
Artemisia packardiae +
in subcapitate clusters  +, singly  +
Artemisia palmeri +
in subcapitate clusters  +, singly  +
Artemisia papposa +
in subcapitate clusters  +, singly  +
Artemisia pattersonii +
singly  +
Artemisia pedatifida +
in subcapitate clusters  +, singly  +
Artemisia pontica +
in subcapitate clusters  +, singly  +
Artemisia porteri +
in paniculiform arrays  +, singly  +
Artemisia pycnocephala +
in subcapitate clusters  +, singly  +
Artemisia pygmaea +
in subcapitate clusters  +, singly  +
Artemisia rigida +
singly  +
Artemisia rothrockii +
in subcapitate clusters  +, singly  +
Artemisia rupestris +
in subcapitate clusters  +, singly  +
Artemisia scopulorum +
in subcapitate clusters  +, singly  +
Artemisia senjavinensis +
in subcapitate clusters  +, singly  +
Artemisia serrata +
in subcapitate clusters  +, singly  +
Artemisia spiciformis +
in subcapitate clusters  +, singly  +
Artemisia stelleriana +
in subcapitate clusters  +, singly  +
Artemisia subg. Absinthium +
in subcapitate clusters  +, singly  +
Artemisia subg. Artemisia +
in subcapitate clusters  +, singly  +
Artemisia subg. Drancunculus +
in subcapitate clusters  +, singly  +
Artemisia subg. Tridentatae +
in subcapitate clusters  +, singly  +
Artemisia suksdorfii +
in subcapitate clusters  +, singly  +
Artemisia tilesii +
in subcapitate clusters  +, singly  +
Artemisia tridentata +
in subcapitate clusters  +, singly  +
Artemisia tridentata subsp. parishii +
in subcapitate clusters  +, singly  +
Artemisia tridentata subsp. tridentata +
in subcapitate clusters  +, singly  +
Artemisia tridentata subsp. vaseyana +
in subcapitate clusters  +, singly  +
Artemisia tridentata subsp. wyomingensis +
in subcapitate clusters  +, singly  +
Artemisia tripartita +
in subcapitate clusters  +, singly  +
Artemisia tripartita subsp. rupicola +
in subcapitate clusters  +, singly  +
Artemisia tripartita subsp. tripartita +
in subcapitate clusters  +, singly  +
Artemisia vulgaris +
in subcapitate clusters  +, singly  +
Asanthus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Asanthus squamulosus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Aster +
in corymbiform arrays  +, singly  +
Aster alpinus +
in corymbiform arrays  +, singly  +
Aster alpinus subsp. vierhapperi +
singly  +
Aster tataricus +
in corymbiform arrays  +, singly  +
Asteraceae +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Asteraceae (tribe Heliantheae) subtribe Ambrosiinae +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Asteraceae (tribe Heliantheae) subtribe Baeriinae +
in corymbiform , glomerate or paniculiform , arrays  +, singly  +
Asteraceae (tribe Heliantheae) subtribe Chaenactidinae +
radiant  +, singly  +
Asteraceae (tribe Heliantheae) subtribe Clappiinae +
singly  +
Asteraceae (tribe Heliantheae) subtribe Coreopsidinae +
in more or less corymbiform , cymiform or paniculiform , arrays  +, singly  +
Asteraceae (tribe Heliantheae) subtribe Dimeresiinae +
aggregated  +
Asteraceae (tribe Heliantheae) subtribe Ecliptinae +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Asteraceae (tribe Heliantheae) subtribe Flaveriinae +
aggregated  +
Asteraceae (tribe Heliantheae) subtribe Gaillardiinae +
aggregated  +
Asteraceae (tribe Heliantheae) subtribe Galinsoginae +
in loose to tight  +, singly  +
Asteraceae (tribe Heliantheae) subtribe Guardiolinae +
aggregated  +
Asteraceae (tribe Heliantheae) subtribe Helianthinae +
in corymbiform arrays  +, singly  +
Asteraceae (tribe Heliantheae) subtribe Hymenopappinae +
aggregated  +
Asteraceae (tribe Heliantheae) subtribe Jaumeinae +
singly  +
Asteraceae (tribe Heliantheae) subtribe Madiinae +
singly  +
Asteraceae (tribe Heliantheae) subtribe Marshalliinae +
in open , corymbiform arrays  +, singly  +
Asteraceae (tribe Heliantheae) subtribe Melampodiinae +
in open , corymbiform arrays  +, singly  +
Asteraceae (tribe Heliantheae) subtribe Milleriinae +
aggregated  +
Asteraceae (tribe Heliantheae) subtribe Pectidinae +
singly  +
Asteraceae (tribe Heliantheae) subtribe Peritylinae +
in corymbiform arrays  +, singly  +
Asteraceae (tribe Heliantheae) subtribe Polymniinae +
aggregated  +
Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae +
in loose , more or less corymbiform or paniculiform arrays  +, singly  +
Asteraceae (tribe Heliantheae) subtribe Varillinae +
singly  +
Asteraceae (tribe Heliantheae) subtribe Zaluzaniinae +
aggregated  +
Asteraceae tribe Anthemideae +
in subcapitate clusters  +, singly  +
Asteraceae tribe Arctotideae +
singly  +
Asteraceae tribe Astereae +
singly  +
Asteraceae tribe Calenduleae +
in more or less corymbiform arrays  +, singly  +
Asteraceae tribe Cardueae +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Asteraceae tribe Cichorieae +
singly  +
Asteraceae tribe Eupatorieae +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Asteraceae tribe Gnaphalieae +
aggregated  +, singly  +
Asteraceae tribe Heliantheae +
aggregated  +
Asteraceae tribe Inuleae +
singly  +
Asteraceae tribe Mutisieae +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Asteraceae tribe Plucheeae +
singly  +
Asteraceae tribe Senecioneae +
singly  +
Asteraceae tribe Vernonieae +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Astranthium +
singly  +
Astranthium ciliatum +
singly  +
Astranthium integrifolium +
singly  +
Astranthium robustum +
singly  +
Atrichoseris +
singly  +
Atrichoseris platyphylla +
singly  +
B
Baccharis +
singly  +
Baccharis angustifolia +
singly  +
Baccharis bigelovii +
singly  +
Baccharis brachyphylla +
singly  +
Baccharis dioica +
singly  +
Baccharis glomeruliflora +
singly  +
Baccharis glutinosa +
singly  +
Baccharis halimifolia +
singly  +
Baccharis havardii +
singly  +
Baccharis malibuensis +
singly  +
Baccharis neglecta +
singly  +
Baccharis pilularis +
singly  +
Baccharis pilularis subsp. consanguinea +
singly  +
Baccharis pilularis subsp. pilularis +
singly  +
Baccharis plummerae +
singly  +
Baccharis plummerae subsp. glabrata +
singly  +
Baccharis plummerae subsp. plummerae +
singly  +
Baccharis pteronioides +
singly  +
Baccharis salicifolia +
singly  +
Baccharis salicina +
singly  +
Baccharis sarothroides +
in dense paniculiform arrays  +, singly  +
Baccharis sergiloides +
singly  +
Baccharis texana +
singly  +
Baccharis thesioides +
singly  +
Baccharis vanessae +
singly  +
Baccharis wrightii +
singly  +
Bahia +
in loose , corymbiform arrays  +, singly  +
Bahia absinthifolia +
in loose , corymbiform arrays  +, singly  +
Bahia bigelovii +
in loose , corymbiform arrays  +, singly  +
Bahia biternata +
in loose , corymbiform arrays  +, singly  +
Bahia pedata +
in loose , corymbiform arrays  +, singly  +
Bahiopsis +
singly  +
Bahiopsis laciniata +
singly  +
Bahiopsis parishii +
singly  +
Bahiopsis reticulata +
singly  +
Baileya +
in cymiform arrays  +, singly  +
Baileya multiradiata +
singly  +
Baileya pauciradiata +
in cymiform arrays  +, singly  +
Baileya pleniradiata +
singly  +
Balduina +
in loose , corymbiform to paniculiform arrays  +, singly  +
Balduina angustifolia +
in loose , corymbiform to paniculiform arrays  +, singly  +
Balduina atropurpurea +
in loose , corymbiform to paniculiform arrays  +, singly  +
Balduina uniflora +
in loose , corymbiform to paniculiform arrays  +, singly  +
Balsamorhiza +
singly  +
Balsamorhiza careyana +
singly  +
Balsamorhiza deltoidea +
singly  +
Balsamorhiza hispidula +
singly  +
Balsamorhiza hookeri +
singly  +
Balsamorhiza incana +
singly  +
Balsamorhiza lanata +
singly  +
Balsamorhiza macrolepis +
singly  +
Balsamorhiza macrophylla +
singly  +
Balsamorhiza rosea +
singly  +
Balsamorhiza sagittata +
singly  +
Balsamorhiza sericea +
singly  +
Balsamorhiza serrata +
singly  +
Balsamorhiza subg. Artorhiza +
singly  +
Balsamorhiza subg. Balsamorhiza +
singly  +
Barkleyanthus +
singly  +
Barkleyanthus salicifolius +
singly  +
Bartlettia +
singly  +
Bartlettia scaposa +
singly  +
Bebbia +
in corymbiform arrays  +, singly  +
Bebbia juncea +
in corymbiform arrays  +, singly  +
Bebbia juncea var. aspera +
in corymbiform arrays  +, singly  +
Bellis +
singly  +
Bellis perennis +
singly  +
Benitoa +
in open , corymbiform to paniculiform arrays  +, singly  +
Benitoa occidentalis +
in open , corymbiform to paniculiform arrays  +, singly  +
Berlandiera +
in paniculiform to corymbiform arrays  +, singly  +
Berlandiera lyrata +
in paniculiform to corymbiform arrays  +, singly  +
Berlandiera monocephala +
singly  +
Berlandiera pumila +
in paniculiform to corymbiform arrays  +, singly  +
Berlandiera subacaulis +
singly  +
Berlandiera texana +
in paniculiform to corymbiform arrays  +, singly  +
Berlandiera ×betonicifolia +
in paniculiform to corymbiform arrays  +, singly  +
Berlandiera ×humilis +
in paniculiform to corymbiform arrays  +, singly  +
Berlandiera ×macrophylla +
singly  +
Bidens +
singly  +
Bidens amplissima +
singly  +
Bidens aristosa +
singly  +
Bidens aurea +
singly  +
Bidens beckii +
singly  +
Bidens bidentoides +
singly  +
Bidens bigelovii +
singly  +
Bidens bipinnata +
singly  +
Bidens cernua +
in open , more or less corymbiform arrays  +, singly  +
Bidens connata +
in 2s  +, singly  +
Bidens discoidea +
singly  +
Bidens eatonii +
in 2s  +, singly  +
Bidens frondosa +
singly  +
Bidens heterodoxa +
in 2s  +, singly  +
Bidens heterosperma +
singly  +
Bidens hyperborea +
in 2s  +, singly  +
Bidens laevis +
in open , more or less corymbiform arrays  +, singly  +
Bidens lemmonii +
singly  +
Bidens leptocephala +
singly  +
Bidens mitis +
singly  +
Bidens pilosa +
singly  +
Bidens polylepis +
in 2s  +, in open , more or less corymbiform arrays  +, singly  +
Bidens tenuisecta +
singly  +
Bidens trichosperma +
singly  +
Bidens tripartita +
in 2s  +, singly  +
Bidens vulgata +
in 2s or 3s or in open , corymbiform arrays  +, singly  +
Bigelowia +
singly  +
Bigelowia nudata +
singly  +
Bigelowia nudata var. australis +
singly  +
Bigelowia nudata var. nudata +
singly  +
Bigelowia nuttallii +
singly  +
Blennosperma +
singly  +
Blennosperma bakeri +
singly  +
Blennosperma nanum +
singly  +
Blennosperma nanum var. nanum +
singly  +
Blennosperma nanum var. robustum +
singly  +
Blepharipappus +
in open , corymbiform arrays  +, singly  +
Blepharipappus scaber +
in open , corymbiform arrays  +, singly  +
Blepharizonia +
in more or less racemiform-paniculiform , paniculiform or spiciform , arrays  +, singly  +
Blepharizonia laxa +
in more or less racemiform-paniculiform arrays  +, singly  +
Blepharizonia plumosa +
in more or less racemiform-paniculiform , paniculiform or spiciform , arrays  +, singly  +
Boltonia +
singly  +
Boltonia apalachicolensis +
singly  +
Boltonia asteroides +
singly  +
Boltonia asteroides var. asteroides +
singly  +
Boltonia asteroides var. latisquama +
singly  +
Boltonia asteroides var. recognita +
singly  +
Boltonia caroliniana +
singly  +
Boltonia decurrens +
singly  +
Boltonia diffusa +
singly  +
Boltonia diffusa var. diffusa +
singly  +
Boltonia diffusa var. interior +
singly  +
Borrichia +
singly  +
Borrichia arborescens +
singly  +
Borrichia frutescens +
singly  +
Borrichia ×cubana +
singly  +
Bradburia +
in lax paniculiform arrays  +, singly  +
Bradburia hirtella +
in lax paniculiform arrays  +, singly  +
Bradburia pilosa +
in lax paniculiform arrays  +, singly  +
Brickellia +
singly  +
Brickellia amplexicaulis +
singly  +
Brickellia atractyloides +
singly  +
Brickellia atractyloides var. arguta +
singly  +
Brickellia atractyloides var. atractyloides +
singly  +
Brickellia atractyloides var. odontolepis +
singly  +
Brickellia baccharidea +
singly  +
Brickellia betonicifolia +
singly  +
Brickellia brachyphylla +
singly  +
Brickellia californica +
singly  +
Brickellia chenopodina +
singly  +
Brickellia cordifolia +
singly  +
Brickellia coulteri +
singly  +
Brickellia coulteri var. brachiata +
singly  +
Brickellia coulteri var. coulteri +
singly  +
Brickellia cylindracea +
singly  +
Brickellia dentata +
singly  +
Brickellia desertorum +
singly  +
Brickellia eupatorioides +
singly  +
Brickellia eupatorioides var. chlorolepis +
singly  +
Brickellia eupatorioides var. corymbulosa +
singly  +
Brickellia eupatorioides var. eupatorioides +
singly  +
Brickellia eupatorioides var. floridana +
singly  +
Brickellia eupatorioides var. gracillima +
singly  +
Brickellia eupatorioides var. texana +
singly  +
Brickellia floribunda +
singly  +
Brickellia frutescens +
singly  +
Brickellia grandiflora +
singly  +
Brickellia greenei +
in open , cymiform arrays  +, singly  +
Brickellia hinckleyi +
singly  +
Brickellia hinckleyi var. hinckleyi +
singly  +
Brickellia hinckleyi var. terlinguensis +
singly  +
Brickellia incana +
singly  +
Brickellia knappiana +
singly  +
Brickellia laciniata +
singly  +
Brickellia lemmonii +
singly  +
Brickellia lemmonii var. conduplicata +
singly  +
Brickellia lemmonii var. lemmonii +
singly  +
Brickellia longifolia +
singly  +
Brickellia longifolia var. longifolia +
singly  +
Brickellia longifolia var. multiflora +
singly  +
Brickellia microphylla +
singly  +
Brickellia microphylla var. microphylla +
singly  +
Brickellia microphylla var. scabra +
singly  +
Brickellia nevinii +
singly  +
Brickellia oblongifolia +
in corymbiform arrays  +, singly  +
Brickellia oblongifolia var. linifolia +
in corymbiform arrays  +, singly  +
Brickellia oblongifolia var. oblongifolia +
in corymbiform arrays  +, singly  +
Brickellia parvula +
in corymbiform-paniculiform arrays  +, singly  +
Brickellia pringlei +
in paniculiform arrays  +, singly  +
Brickellia rusbyi +
singly  +
Brickellia simplex +
in open , paniculiform arrays  +, singly  +
Brickellia venosa +
singly  +
Brickellia veronicifolia +
singly  +
Brickelliastrum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Brickelliastrum fendleri +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Brintonia +
singly  +
Brintonia discoidea +
singly  +
Buddleja +
pseudoverticellate  +
Buddleja davidii +
pseudoverticellate  +
Buddleja indica +
pseudoverticellate  +
Buddleja lindleyana +
pseudoverticellate  +
Buddleja madagascariensis +
pseudoverticellate  +
Buddleja marrubiifolia +
pseudoverticellate  +
Buddleja racemosa +
pseudoverticellate  +
Buddleja racemosa var. incana +
pseudoverticellate  +
Buddleja racemosa var. racemosa +
pseudoverticellate  +
Buddleja saligna +
pseudoverticellate  +
Buddleja scordioides +
pseudoverticellate  +
Buddleja sessiliflora +
pseudoverticellate  +
Buddleja utahensis +
pseudoverticellate  +
C
Cacaliopsis +
singly  +
Cacaliopsis nardosmia +
singly  +
Calendula +
singly  +
Calendula arvensis +
singly  +
Calendula officinalis +
singly  +
Calycadenia +
in open to dense  +, singly  +
Calycadenia fremontii +
in open , spiciform arrays  +, singly  +
Calycadenia hooveri +
in more or less spiciform arrays  +, singly  +
Calycadenia micrantha +
in more or less spiciform arrays  +, singly  +
Calycadenia mollis +
in open to dense  +, singly  +
Calycadenia multiglandulosa +
in spiciform arrays  +, singly  +
Calycadenia oppositifolia +
in open to dense  +, singly  +
Calycadenia pauciflora +
in open , spiciform arrays  +, singly  +
Calycadenia spicata +
in open to dense  +, singly  +
Calycadenia truncata +
in open to dense  +, singly  +
Calycadenia villosa +
in open to dense  +, singly  +
Calycoseris +
in open , cymiform arrays  +, singly  +
Calycoseris parryi +
in open , cymiform arrays  +, singly  +
Calycoseris wrightii +
in open , cymiform arrays  +, singly  +
Calyptocarpus +
singly  +
Calyptocarpus vialis +
singly  +
Canadanthus +
singly  +
Canadanthus modestus +
singly  +
Carduus +
singly  +
Carduus acanthoides +
singly  +
Carduus acanthoides subsp. acanthoides +
in corymbiform arrays  +, singly  +
Carduus crispus +
singly  +
Carduus nutans +
in corymbiform arrays  +, singly  +
Carduus pycnocephalus +
singly  +
Carduus pycnocephalus subsp. pycnocephalus +
clustered  +, or  +
Carduus tenuiflorus +
singly  +
Carlina +
in corymbiform arrays  +, singly  +
Carlina vulgaris +
in corymbiform arrays  +, singly  +
Carlina vulgaris subsp. vulgaris +
in corymbiform arrays  +, singly  +
Carlquistia +
in loose , corymbiform arrays  +, singly  +
Carlquistia muirii +
in loose , corymbiform arrays  +, singly  +
Carminatia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carminatia tenuiflora +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carphephorus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carphephorus bellidifolius +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carphephorus carnosus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carphephorus corymbosus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carphephorus odoratissimus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carphephorus odoratissimus var. odoratissimus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carphephorus odoratissimus var. subtropicanus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carphephorus paniculatus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carphephorus pseudoliatris +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carphephorus tomentosus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carphochaete +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carphochaete bigelovii +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Carthamus +
in few-headed cymiform arrays  +, singly  +
Carthamus creticus +
in few-headed cymiform arrays  +, singly  +
Carthamus lanatus +
in few-headed cymiform arrays  +, singly  +
Carthamus leucocaulos +
in few-headed cymiform arrays  +, singly  +
Carthamus tinctorius +
in few-headed cymiform arrays  +, singly  +
Centaurea +
in corymbiform arrays  +, radiant  +, singly  +
Centaurea benedicta +
in corymbiform arrays  +, radiant  +, singly  +
Centaurea calcitrapa +
in leafy cymiform arrays  +, singly  +
Centaurea cyanus +
radiant  +
Centaurea depressa +
radiant  +, singly  +
Centaurea diffusa +
in corymbiform arrays  +, radiant  +, singly  +
Centaurea diluta +
radiant  +
Centaurea iberica +
in leafy cymiform arrays  +, singly  +
Centaurea jacea +
radiant  +
Centaurea macrocephala +
radiant  +, singly  +
Centaurea melitensis +
in open leafy corymbiform arrays  +, singly  +
Centaurea montana +
in few-headed corymbiform arrays  +, radiant  +, singly  +
Centaurea nigra +
in corymbiform arrays  +, radiant  +, singly  +
Centaurea nigrescens +
radiant  +
Centaurea phrygia +
radiant  +, singly  +
Centaurea scabiosa +
singly  +
Centaurea solstitialis +
in open leafy arrays  +, singly  +
Centaurea stoebe +
in corymbiform arrays  +, radiant  +, singly  +
Centaurea stoebe subsp. micranthos +
in corymbiform arrays  +, radiant  +, singly  +
Centaurea sulphurea +
in open , few-headed corymbiform arrays  +, singly  +
Centaurea virgata +
in corymbiform arrays  +, radiant  +, singly  +
Centaurea virgata subsp. squarrosa +
in corymbiform arrays  +, radiant  +, singly  +
Centaurea ×moncktonii +
radiant  +
Centratherum +
singly  +
Centratherum punctatum +
singly  +
Centromadia +
singly  +
Centromadia fitchii +
singly  +
Centromadia parryi +
singly  +
Centromadia parryi subsp. australis +
singly  +
Centromadia parryi subsp. congdonii +
singly  +
Centromadia parryi subsp. parryi +
singly  +
Centromadia parryi subsp. rudis +
singly  +
Centromadia pungens +
singly  +
Centromadia pungens subsp. laevis +
singly  +
Centromadia pungens subsp. pungens +
singly  +
Chaenactis +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis alpigena +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis artemisiifolia +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis carphoclinia +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis carphoclinia var. carphoclinia +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis carphoclinia var. peirsonii +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis cusickii +
radiant  +
Chaenactis douglasii +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis douglasii var. alpina +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis douglasii var. douglasii +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis evermannii +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis fremontii +
radiant  +
Chaenactis glabriuscula +
radiant  +
Chaenactis glabriuscula var. glabriuscula +
radiant  +
Chaenactis glabriuscula var. heterocarpha +
radiant  +
Chaenactis glabriuscula var. lanosa +
radiant  +
Chaenactis glabriuscula var. megacephala +
radiant  +
Chaenactis glabriuscula var. orcuttiana +
radiant  +
Chaenactis macrantha +
radiant  +
Chaenactis nevadensis +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis nevii +
radiant  +
Chaenactis parishii +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis santolinoides +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis sect. Acarphaea +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis sect. Chaenactis +
radiant  +
Chaenactis sect. Macrocarphus +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis stevioides +
radiant  +
Chaenactis suffrutescens +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis thompsonii +
in more or less cymiform arrays  +, radiant  +, singly  +
Chaenactis xantiana +
radiant  +
Chaetadelpha +
singly  +
Chaetadelpha wheeleri +
singly  +
Chaetopappa +
singly  +
Chaetopappa asteroides +
singly  +
Chaetopappa asteroides var. asteroides +
singly  +
Chaetopappa asteroides var. grandis +
singly  +
Chaetopappa bellidifolia +
singly  +
Chaetopappa bellioides +
singly  +
Chaetopappa effusa +
singly  +
Chaetopappa ericoides +
singly  +
Chaetopappa hersheyi +
singly  +
Chaetopappa imberbis +
singly  +
Chaetopappa parryi +
singly  +
Chamaechaenactis +
singly  +
Chamaechaenactis scaposa +
singly  +
Chamaemelum +
in lax corymbiform arrays  +, singly  +
Chamaemelum fuscatum +
in lax corymbiform arrays  +, singly  +
Chamaemelum nobile +
in lax corymbiform arrays  +, singly  +
Chaptalia +
singly  +
Chaptalia albicans +
singly  +
Chaptalia texana +
singly  +
Chaptalia tomentosa +
singly  +
Chloracantha +
singly  +
Chloracantha spinosa +
singly  +
Chloracantha spinosa var. spinosa +
singly  +
Chondrilla +
singly  +
Chondrilla juncea +
singly  +
Chorisiva +
singly  +
Chorisiva nevadensis +
singly  +
Chromolaena +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Chromolaena bigelovii +
singly  +
Chromolaena frustrata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Chromolaena ivifolia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Chromolaena odorata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Chrysactinia +
singly  +
Chrysactinia mexicana +
singly  +
Chrysanthemoides +
in loose , corymbiform arrays  +, singly  +
Chrysanthemoides monilifera +
in loose , corymbiform arrays  +, singly  +
Chrysogonum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Chrysogonum virginianum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Chrysogonum virginianum var. australe +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Chrysogonum virginianum var. brevistolon +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Chrysogonum virginianum var. virginianum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Chrysoma +
singly  +
Chrysoma pauciflosculosa +
singly  +
Chrysopsis +
singly  +
Chrysopsis delaneyi +
singly  +
Chrysopsis floridana +
singly  +
Chrysopsis godfreyi +
singly  +
Chrysopsis gossypina +
singly  +
Chrysopsis gossypina subsp. cruiseana +
singly  +
Chrysopsis gossypina subsp. gossypina +
singly  +
Chrysopsis gossypina subsp. hyssopifolia +
singly  +
Chrysopsis highlandsensis +
singly  +
Chrysopsis lanuginosa +
singly  +
Chrysopsis latisquamea +
singly  +
Chrysopsis linearifolia +
singly  +
Chrysopsis linearifolia subsp. dressii +
singly  +
Chrysopsis linearifolia subsp. linearifolia +
singly  +
Chrysopsis mariana +
singly  +
Chrysopsis scabrella +
singly  +
Chrysopsis subulata +
singly  +
Chrysothamnus +
in condensed cymiform clusters  +, singly  +
Chrysothamnus depressus +
in condensed cymiform clusters  +, singly  +
Chrysothamnus eremobius +
in condensed cymiform clusters  +, singly  +
Chrysothamnus greenei +
in condensed cymiform clusters  +, singly  +
Chrysothamnus humilis +
in condensed cymiform clusters  +, singly  +
Chrysothamnus molestus +
in condensed cymiform clusters  +, singly  +
Chrysothamnus scopulorum +
in condensed cymiform clusters  +, singly  +
Chrysothamnus stylosus +
in condensed cymiform clusters  +, singly  +
Chrysothamnus vaseyi +
in condensed cymiform clusters  +, singly  +
Chrysothamnus viscidiflorus +
in condensed cymiform clusters  +, singly  +
Chrysothamnus viscidiflorus subsp. axillaris +
in condensed cymiform clusters  +, singly  +
Chrysothamnus viscidiflorus subsp. lanceolatus +
in condensed cymiform clusters  +, singly  +
Chrysothamnus viscidiflorus subsp. planifolius +
in condensed cymiform clusters  +, singly  +
Chrysothamnus viscidiflorus subsp. puberulus +
in condensed cymiform clusters  +, singly  +
Chrysothamnus viscidiflorus subsp. viscidiflorus +
in condensed cymiform clusters  +, singly  +
Cichorium +
singly  +
Cichorium intybus +
singly  +
Cirsium +
singly  +
Cirsium altissimum +
singly  +
Cirsium andersonii +
in corymbiform , racemiform or spiciform , arrays  +, singly  +
Cirsium andrewsii +
singly  +
Cirsium arizonicum +
singly  +
Cirsium arizonicum var. arizonicum +
singly  +
Cirsium arizonicum var. bipinnatum +
singly  +
Cirsium arizonicum var. chellyense +
singly  +
Cirsium arizonicum var. rothrockii +
singly  +
Cirsium arizonicum var. tenuisectum +
singly  +
Cirsium arvense +
in corymbiform or paniculiform arrays  +, singly  +
Cirsium barnebyi +
clustered  +, or  +
Cirsium brevifolium +
singly  +
Cirsium brevistylum +
crowded  +
Cirsium canescens +
singly  +
Cirsium carolinianum +
singly  +
Cirsium ciliolatum +
singly  +
Cirsium clavatum +
clustered  +, or  +
Cirsium clavatum var. americanum +
clustered  +, or  +
Cirsium clavatum var. clavatum +
clustered  +, or  +
Cirsium clavatum var. osterhoutii +
clustered  +, or  +
Cirsium crassicaule +
singly  +
Cirsium cymosum +
singly  +
Cirsium cymosum var. canovirens +
singly  +
Cirsium cymosum var. cymosum +
singly  +
Cirsium discolor +
singly  +
Cirsium douglasii +
crowded  +
Cirsium douglasii var. breweri +
crowded  +
Cirsium douglasii var. douglasii +
crowded  +
Cirsium drummondii +
crowded  +, or  +
Cirsium eatonii +
crowded  +
Cirsium eatonii var. clokeyi +
crowded  +
Cirsium eatonii var. eatonii +
crowded  +
Cirsium eatonii var. eriocephalum +
crowded  +
Cirsium eatonii var. hesperium +
crowded  +
Cirsium eatonii var. murdockii +
crowded  +
Cirsium eatonii var. peckii +
crowded  +
Cirsium eatonii var. viperinum +
crowded  +
Cirsium edule +
crowded  +
Cirsium edule var. edule +
crowded  +
Cirsium edule var. macounii +
crowded  +
Cirsium edule var. wenatchense +
singly  +
Cirsium engelmannii +
singly  +
Cirsium flodmanii +
singly  +
Cirsium foliosum +
crowded  +
Cirsium fontinale +
singly  +
Cirsium fontinale var. campylon +
singly  +
Cirsium fontinale var. fontinale +
singly  +
Cirsium fontinale var. obispoense +
singly  +
Cirsium grahamii +
singly  +
Cirsium helenioides +
less commonly  +, singly  +
Cirsium hookerianum +
crowded  +, or  +
Cirsium horridulum +
singly  +
Cirsium horridulum var. horridulum +
singly  +
Cirsium horridulum var. megacanthum +
singly  +
Cirsium horridulum var. vittatum +
singly  +
Cirsium hydrophilum +
singly  +
Cirsium hydrophilum var. hydrophilum +
singly  +
Cirsium hydrophilum var. vaseyi +
singly  +
Cirsium inamoenum +
singly  +
Cirsium inamoenum var. davisii +
singly  +
Cirsium inamoenum var. inamoenum +
singly  +
Cirsium joannae +
crowded  +
Cirsium kamtschaticum +
singly  +
Cirsium lecontei +
less commonly  +, singly  +
Cirsium longistylum +
singly  +
Cirsium mohavense +
singly  +
Cirsium muticum +
singly  +
Cirsium neomexicanum +
in corymbiform arrays  +, singly  +
Cirsium nuttallii +
singly  +
Cirsium occidentale +
singly  +
Cirsium occidentale var. californicum +
singly  +
Cirsium occidentale var. candidissimum +
singly  +
Cirsium occidentale var. compactum +
in more or less tight clusters  +, singly  +
Cirsium occidentale var. coulteri +
singly  +
Cirsium occidentale var. lucianum +
singly  +
Cirsium occidentale var. occidentale +
singly  +
Cirsium occidentale var. venustum +
singly  +
Cirsium ochrocentrum +
singly  +
Cirsium ochrocentrum var. martinii +
singly  +
Cirsium ochrocentrum var. ochrocentrum +
singly  +
Cirsium ownbeyi +
crowded  +
Cirsium palustre +
singly  +
Cirsium parryi +
singly  +
Cirsium perplexans +
singly  +
Cirsium pitcheri +
singly  +
Cirsium praeteriens +
singly  +
Cirsium pulcherrimum +
in 2-3-headed clusters in more or less congested flat-topped or racemiform arrays  +, singly  +
Cirsium pulcherrimum var. aridum +
in 2-3-headed clusters in more or less congested flat-topped or racemiform arrays  +, singly  +
Cirsium pulcherrimum var. pulcherrimum +
in 2-3-headed clusters in more or less congested flat-topped or racemiform arrays  +, singly  +
Cirsium pumilum +
singly  +
Cirsium pumilum var. hillii +
singly  +
Cirsium pumilum var. pumilum +
singly  +
Cirsium quercetorum +
crowded  +
Cirsium remotifolium +
singly  +
Cirsium remotifolium var. odontolepis +
singly  +
Cirsium remotifolium var. remotifolium +
singly  +
Cirsium remotifolium var. rivulare +
singly  +
Cirsium repandum +
singly  +
Cirsium rhothophilum +
singly  +
Cirsium rydbergii +
singly  +
Cirsium scariosum +
crowded  +, singly  +
Cirsium scariosum var. americanum +
crowded  +
Cirsium scariosum var. citrinum +
crowded  +, singly  +
Cirsium scariosum var. coloradense +
crowded  +, singly  +
Cirsium scariosum var. congdonii +
crowded  +
Cirsium scariosum var. robustum +
crowded  +, singly  +
Cirsium scariosum var. scariosum +
crowded  +, singly  +
Cirsium scariosum var. thorneae +
crowded  +, solitary  +
Cirsium scariosum var. toiyabense +
crowded  +
Cirsium texanum +
singly  +
Cirsium tracyi +
singly  +
Cirsium turneri +
in condensed corymbiform arrays  +, singly  +
Cirsium undulatum +
singly  +
Cirsium vinaceum +
singly  +
Cirsium virginianum +
singly  +
Cirsium vulgare +
singly  +
Cirsium wheeleri +
singly  +
Cirsium wrightii +
singly  +
Cladanthus +
in lax , corymbiform arrays  +, singly  +
Cladanthus mixtus +
in lax , corymbiform arrays  +, singly  +
Clappia +
singly  +
Clappia suaedifolia +
singly  +
Columbiadoria +
singly  +
Columbiadoria hallii +
singly  +
Conoclinium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Conoclinium betonicifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Conoclinium betonicifolium var. betonicifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Conoclinium betonicifolium var. integrifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Conoclinium coelestinum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Conoclinium dissectum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Constancea +
in corymbiform , glomerate or paniculiform , arrays  +, singly  +
Constancea nevinii +
in corymbiform , glomerate or paniculiform , arrays  +, singly  +
Conyza +
singly  +
Conyza bonariensis +
singly  +
Conyza canadensis +
singly  +
Conyza floribunda +
singly  +
Conyza ramosissima +
singly  +
Coreocarpus +
in more or less corymbiform , cymiform or paniculiform , arrays  +, singly  +
Coreocarpus arizonicus +
in more or less corymbiform , cymiform or paniculiform , arrays  +, singly  +
Coreopsis +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis auriculata +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis basalis +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis bigelovii +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis californica +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis calliopsidea +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis delphiniifolia +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis douglasii +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis gigantea +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis gladiata +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis grandiflora +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis hamiltonii +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis integrifolia +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis intermedia +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis lanceolata +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis latifolia +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis leavenworthii +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis major +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis maritima +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis nudata +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis nuecensis +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis palmata +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis pubescens +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis pulchra +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis rosea +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis sect. Calliopsis +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis sect. Coreopsis +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis sect. Eublepharis +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis sect. Gyrophyllum +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis sect. Leptosyne +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis sect. Pugiopappus +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis sect. Silphidium +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis sect. Tuckermannia +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis stillmanii +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis tinctoria +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis tripteris +
in open , more or less corymbiform arrays  +, singly  +
Coreopsis verticillata +
in open , more or less corymbiform arrays  +, singly  +
Corethrogyne +
singly  +
Corethrogyne filaginifolia +
singly  +
Cosmos +
in corymbiform arrays  +, singly  +
Cosmos bipinnatus +
in corymbiform arrays  +, singly  +
Cosmos caudatus +
in corymbiform arrays  +, singly  +
Cosmos parviflorus +
in corymbiform arrays  +, singly  +
Cosmos sulphureus +
in corymbiform arrays  +, singly  +
Cota +
in lax , corymbiform arrays  +, singly  +
Cota tinctoria +
in lax , corymbiform arrays  +, singly  +
Cotula +
singly  +
Cotula australis +
singly  +
Cotula coronopifolia +
singly  +
Crepis +
singly  +
Crepis acuminata +
singly  +
Crepis atribarba +
singly  +
Crepis bakeri +
singly  +
Crepis bakeri subsp. bakeri +
singly  +
Crepis bakeri subsp. cusickii +
singly  +
Crepis bakeri subsp. idahoensis +
singly  +
Crepis barbigera +
singly  +
Crepis biennis +
singly  +
Crepis bursifolia +
singly  +
Crepis capillaris +
singly  +
Crepis elegans +
singly  +
Crepis foetida +
singly  +
Crepis intermedia +
singly  +
Crepis modocensis +
singly  +
Crepis modocensis subsp. glareosa +
singly  +
Crepis modocensis subsp. modocensis +
singly  +
Crepis modocensis subsp. rostrata +
singly  +
Crepis modocensis subsp. subacaulis +
singly  +
Crepis monticola +
singly  +
Crepis nana +
singly  +
Crepis nicaeënsis +
singly  +
Crepis occidentalis +
singly  +
Crepis occidentalis subsp. conjuncta +
singly  +
Crepis occidentalis subsp. costata +
singly  +
Crepis occidentalis subsp. occidentalis +
singly  +
Crepis occidentalis subsp. pumila +
singly  +
Crepis pannonica +
in compound , paniculiform or corymbiform arrays  +, singly  +
Crepis pleurocarpa +
singly  +
Crepis pulchra +
singly  +
Crepis rubra +
singly  +
Crepis runcinata +
in more or less corymbiform arrays  +, singly  +
Crepis runcinata subsp. andersonii +
in more or less corymbiform arrays  +, singly  +
Crepis runcinata subsp. barberi +
in more or less corymbiform arrays  +, singly  +
Crepis runcinata subsp. glauca +
in more or less corymbiform arrays  +, singly  +
Crepis runcinata subsp. hallii +
in more or less corymbiform arrays  +, singly  +
Crepis runcinata subsp. hispidulosa +
in more or less corymbiform arrays  +, singly  +
Crepis runcinata subsp. imbricata +
in more or less corymbiform arrays  +, singly  +
Crepis runcinata subsp. runcinata +
in more or less corymbiform arrays  +, singly  +
Crepis setosa +
singly  +
Crepis tectorum +
singly  +
Crepis vesicaria +
singly  +
Crepis zacintha +
singly  +
Crocidium +
singly  +
Crocidium multicaule +
singly  +
Croptilon +
in loose , widely branched , paniculiform arrays  +, singly  +
Croptilon divaricatum +
in loose , widely branched , paniculiform arrays  +, singly  +
Croptilon hookerianum +
in loose , widely branched , paniculiform arrays  +, singly  +
Croptilon hookerianum var. graniticum +
in loose , widely branched , paniculiform arrays  +, singly  +
Croptilon hookerianum var. hookerianum +
in loose , widely branched , paniculiform arrays  +, singly  +
Croptilon hookerianum var. validum +
in loose , widely branched , paniculiform arrays  +, singly  +
Croptilon rigidifolium +
in loose , widely branched , paniculiform arrays  +, singly  +
Crupina +
clustered  +, or  +, radiant  +
Crupina vulgaris +
clustered  +, or  +, radiant  +
Cuniculotinus +
in corymbiform arrays  +, singly  +
Cuniculotinus gramineus +
in corymbiform arrays  +, singly  +
Cyanthillium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Cyanthillium cinereum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Cyclachaena +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Cyclachaena xanthiifolia +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Cynara +
in few-headed , terminal , cymiform arrays  +, singly  +
Cynara cardunculus +
in few-headed , terminal , cymiform arrays  +, singly  +
Cynara cardunculus subsp. cardunculus +
in few-headed , terminal , cymiform arrays  +, singly  +
Cynara cardunculus subsp. flavescens +
in few-headed , terminal , cymiform arrays  +, singly  +
Cyperus acuminatus +
cluster  +
Cyperus amabilis +
cluster  +
Cyperus cuspidatus +
cluster  +
Cyperus dentatus +
cluster  +
Cyperus difformis +
cluster  +
Cyperus distinctus +
cluster  +
Cyperus drummondii +
cluster  +
Cyperus entrerianus +
cluster  +
Cyperus eragrostis +
cluster  +
Cyperus fuscus +
cluster  +
Cyperus gracilis +
cluster  +
Cyperus haspan +
cluster  +
Cyperus involucratus +
cluster  +
Cyperus lecontei +
cluster  +
Cyperus ochraceus +
cluster  +
Cyperus onerosus +
cluster  +
Cyperus prolifer +
cluster  +
Cyperus pseudovegetus +
cluster  +
Cyperus reflexus +
cluster  +
Cyperus seslerioides +
cluster  +
Cyperus subg. Pycnostachys +
cluster  +
Cyperus surinamensis +
cluster  +
Cyperus virens +
cluster  +
D
Deinandra +
singly  +
Deinandra arida +
singly  +
Deinandra bacigalupii +
singly  +
Deinandra clementina +
singly  +
Deinandra conjugens +
singly  +
Deinandra corymbosa +
singly  +
Deinandra fasciculata +
separated  +
Deinandra floribunda +
singly  +
Deinandra halliana +
singly  +
Deinandra increscens +
singly  +
Deinandra increscens subsp. increscens +
singly  +
Deinandra increscens subsp. villosa +
singly  +
Deinandra kelloggii +
singly  +
Deinandra lobbii +
singly  +
Deinandra minthornii +
in loose , racemiform or racemiform-paniculiform arrays  +, singly  +
Deinandra mohavensis +
singly  +
Deinandra pallida +
singly  +
Deinandra paniculata +
singly  +
Deinandra pentactis +
singly  +
Delairea +
singly  +
Delairea odorata +
singly  +
Diaperia +
aggregated  +, singly  +
Diaperia candida +
aggregated  +, singly  +
Diaperia prolifera +
aggregated  +, singly  +
Diaperia prolifera var. barnebyi +
singly  +
Diaperia prolifera var. prolifera +
aggregated  +, singly  +
Diaperia verna +
aggregated  +, singly  +
Diaperia verna var. drummondii +
aggregated  +, singly  +
Diaperia verna var. verna +
aggregated  +, singly  +
Dichaetophora +
singly  +
Dichaetophora campestris +
singly  +
Dicoria +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Dicoria canescens +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Dicranocarpus +
singly  +
Dicranocarpus parviflorus +
singly  +
Dieteria +
singly  +
Dieteria asteroides +
singly  +
Dieteria asteroides var. asteroides +
singly  +
Dieteria asteroides var. glandulosa +
singly  +
Dieteria asteroides var. lagunensis +
singly  +
Dieteria bigelovii +
singly  +
Dieteria bigelovii var. bigelovii +
singly  +
Dieteria bigelovii var. commixta +
singly  +
Dieteria bigelovii var. mucronata +
singly  +
Dieteria canescens +
singly  +
Dieteria canescens var. ambigua +
singly  +
Dieteria canescens var. aristata +
singly  +
Dieteria canescens var. canescens +
singly  +
Dieteria canescens var. glabra +
singly  +
Dieteria canescens var. incana +
singly  +
Dieteria canescens var. leucanthemifolia +
singly  +
Dieteria canescens var. nebraskana +
singly  +
Dieteria canescens var. sessiliflora +
singly  +
Dieteria canescens var. shastensis +
singly  +
Dieteria canescens var. ziegleri +
singly  +
Dimeresia +
aggregated  +
Dimeresia howellii +
aggregated  +
Dimorphotheca +
singly  +
Dimorphotheca pluvialis +
singly  +
Dimorphotheca sinuata +
singly  +
Dittrichia +
singly  +
Dittrichia graveolens +
singly  +
Doellingeria +
singly  +
Doellingeria infirma +
singly  +
Doellingeria sericocarpoides +
singly  +
Doellingeria umbellata +
singly  +
Doellingeria umbellata var. pubens +
singly  +
Doellingeria umbellata var. umbellata +
singly  +
Doronicum +
in corymbiform arrays  +, singly  +
Doronicum orientale +
singly  +
Doronicum pardalianches +
in corymbiform arrays  +, singly  +
Doronicum plantagineum +
singly  +
Dysodiopsis +
singly  +
Dysodiopsis tagetoides +
singly  +
Dyssodia +
in 2s  +, singly  +
Dyssodia papposa +
in 2s  +, singly  +
E
Eastwoodia +
in loosely corymbiform arrays  +, singly  +
Eastwoodia elegans +
in loosely corymbiform arrays  +, singly  +
Eatonella +
singly  +
Eatonella nivea +
singly  +
Echinacea +
singly  +
Echinacea angustifolia +
singly  +
Echinacea atrorubens +
singly  +
Echinacea laevigata +
singly  +
Echinacea pallida +
singly  +
Echinacea paradoxa +
singly  +
Echinacea paradoxa var. neglecta +
singly  +
Echinacea paradoxa var. paradoxa +
singly  +
Echinacea purpurea +
singly  +
Echinacea sanguinea +
singly  +
Echinacea simulata +
singly  +
Echinacea tennesseensis +
singly  +
Echinops +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Echinops exaltatus +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Echinops ritro +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Echinops ritro subsp. ruthenicus +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Echinops sphaerocephalus +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Eclipta +
singly  +
Eclipta prostrata +
singly  +
Egletes +
singly  +
Egletes viscosa +
singly  +
Elephantopus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Elephantopus carolinianus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Elephantopus elatus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Elephantopus nudatus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Elephantopus tomentosus +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Emilia +
singly  +
Emilia fosbergii +
singly  +
Emilia sonchifolia +
singly  +
Encelia +
in more or less paniculiform arrays  +, singly  +
Encelia actoni +
singly  +
Encelia californica +
singly  +
Encelia farinosa +
in more or less paniculiform arrays  +, singly  +
Encelia frutescens +
singly  +
Encelia nutans +
singly  +
Encelia resinifera +
singly  +
Encelia scaposa +
singly  +
Encelia virginensis +
singly  +
Enceliopsis +
singly  +
Enceliopsis argophylla +
singly  +
Enceliopsis covillei +
singly  +
Enceliopsis nudicaulis +
singly  +
Engelmannia +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Engelmannia peristenia +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Erechtites +
singly  +
Erechtites glomeratus +
singly  +
Erechtites hieraciifolius +
singly  +
Erechtites hieraciifolius var. hieraciifolius +
singly  +
Erechtites hieraciifolius var. megalocarpus +
singly  +
Erechtites minimus +
singly  +
Ericameria +
singly  +
Ericameria albida +
singly  +
Ericameria arborescens +
singly  +
Ericameria arizonica +
singly  +
Ericameria bloomeri +
singly  +
Ericameria brachylepis +
singly  +
Ericameria cervina +
singly  +
Ericameria compacta +
singly  +
Ericameria cooperi +
singly  +
Ericameria cooperi var. cooperi +
singly  +
Ericameria crispa +
singly  +
Ericameria cuneata +
singly  +
Ericameria cuneata var. cuneata +
singly  +
Ericameria cuneata var. macrocephala +
singly  +
Ericameria cuneata var. spathulata +
singly  +
Ericameria discoidea +
in cymiform to racemiform arrays  +, singly  +
Ericameria ericoides +
singly  +
Ericameria fasciculata +
singly  +
Ericameria gilmanii +
singly  +
Ericameria greenei +
singly  +
Ericameria laricifolia +
singly  +
Ericameria lignumviridis +
singly  +
Ericameria linearifolia +
singly  +
Ericameria linearis +
in cymiform arrays  +, singly  +
Ericameria nana +
singly  +
Ericameria nauseosa +
singly  +
Ericameria nauseosa var. arenaria +
singly  +
Ericameria nauseosa var. bernardina +
singly  +
Ericameria nauseosa var. bigelovii +
singly  +
Ericameria nauseosa var. ceruminosa +
singly  +
Ericameria nauseosa var. graveolens +
singly  +
Ericameria nauseosa var. hololeuca +
singly  +
Ericameria nauseosa var. iridis +
singly  +
Ericameria nauseosa var. juncea +
singly  +
Ericameria nauseosa var. latisquamea +
singly  +
Ericameria nauseosa var. leiosperma +
singly  +
Ericameria nauseosa var. mohavensis +
singly  +
Ericameria nauseosa var. nana +
singly  +
Ericameria nauseosa var. nauseosa +
singly  +
Ericameria nauseosa var. nitida +
singly  +
Ericameria nauseosa var. oreophila +
singly  +
Ericameria nauseosa var. psilocarpa +
singly  +
Ericameria nauseosa var. salicifolia +
singly  +
Ericameria nauseosa var. speciosa +
singly  +
Ericameria nauseosa var. texensis +
singly  +
Ericameria nauseosa var. turbinata +
singly  +
Ericameria nauseosa var. washoensis +
singly  +
Ericameria obovata +
singly  +
Ericameria ophitidis +
singly  +
Ericameria palmeri +
singly  +
Ericameria palmeri var. pachylepis +
singly  +
Ericameria palmeri var. palmeri +
singly  +
Ericameria paniculata +
singly  +
Ericameria parishii +
singly  +
Ericameria parishii var. parishii +
singly  +
Ericameria parryi +
cluster  +, grouped  +, singly  +
Ericameria parryi var. affinis +
cluster  +, grouped  +, singly  +
Ericameria parryi var. aspera +
cluster  +, grouped  +, singly  +
Ericameria parryi var. attenuata +
cluster  +, grouped  +, singly  +
Ericameria parryi var. howardii +
cluster  +, grouped  +, singly  +
Ericameria parryi var. imula +
cluster  +, grouped  +, singly  +
Ericameria parryi var. latior +
cluster  +, grouped  +, singly  +
Ericameria parryi var. monocephala +
cluster  +, grouped  +, singly  +
Ericameria parryi var. montana +
singly  +
Ericameria parryi var. nevadensis +
cluster  +, grouped  +, singly  +
Ericameria parryi var. parryi +
cluster  +, grouped  +, singly  +
Ericameria parryi var. salmonensis +
cluster  +, grouped  +, singly  +
Ericameria parryi var. vulcanica +
cluster  +, grouped  +, singly  +
Ericameria pinifolia +
singly  +
Ericameria resinosa +
singly  +
Ericameria suffruticosa +
singly  +
Ericameria teretifolia +
singly  +
Ericameria watsonii +
singly  +
Ericameria winwardii +
singly  +
Ericameria zionis +
singly  +
Erigeron +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron abajoensis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron acomanus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron acris +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron acris var. kamtschaticus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron aequifolius +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron algidus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron aliceae +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron allocotus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron alpiniformis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron anchana +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron annuus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron aphanactis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron aphanactis var. aphanactis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron aphanactis var. congestus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron arenarioides +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron argentatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron arisolius +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron arizonicus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron asperugineus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron aureus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron barbellulatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron basalticus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron bellidiastrum +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron bellidiastrum var. arenarius +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron bellidiastrum var. bellidiastrum +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron bellidiastrum var. robustus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron bigelovii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron biolettii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron blochmaniae +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron bloomeri +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron bloomeri var. bloomeri +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron bloomeri var. nudatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron breweri +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron breweri var. bisanctus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron breweri var. breweri +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron breweri var. covillei +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron breweri var. jacinteus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron breweri var. porphyreticus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron caespitosus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron calvus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron canaani +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron canus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron cascadensis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron cavernensis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron cervinus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron chrysopsidis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron chrysopsidis var. austiniae +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron chrysopsidis var. brevifolius +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron chrysopsidis var. chrysopsidis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron clokeyi +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron clokeyi var. clokeyi +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron clokeyi var. pinzliae +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron compactus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron compositus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron concinnus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron concinnus var. concinnus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron concinnus var. condensatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron concinnus var. subglaber +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron consimilis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron corymbosus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron coulteri +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron cronquistii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron davisii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron decumbens +
in loosely corymbiform arrays  +, singly  +
Erigeron denalii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron disparipilus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron divergens +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron eatonii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron eatonii var. eatonii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron eatonii var. lavandulus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron eatonii var. nevadincola +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron eatonii var. plantagineus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron eatonii var. sonnei +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron eatonii var. villosus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron elatior +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron elatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron elegantulus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron elmeri +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron engelmannii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron evermannii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron eximius +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron filifolius +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron flabellifolius +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron flagellaris +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron flettii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron foliosus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron foliosus var. confinis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron foliosus var. foliosus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron foliosus var. franciscensis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron foliosus var. hartwegii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron foliosus var. mendocinus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron formosissimus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron formosissimus var. formosissimus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron formosissimus var. viscidus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron garrettii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron geiseri +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron glabellus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron glabellus var. glabellus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron glabellus var. pubescens +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron glacialis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron glacialis var. glacialis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron glacialis var. hirsutus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron glaucus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron goodrichii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron gracilis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron grandiflorus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron greenei +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron heliographis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron hessii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron howellii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron humilis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron hyperboreus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron hyssopifolius +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron inornatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron inornatus var. calidipetris +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron inornatus var. inornatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron inornatus var. keilii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron jonesii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron kachinensis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron karvinskianus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron klamathensis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron kuschei +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron lackschewitzii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron lanatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron lassenianus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron lassenianus var. deficiens +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron lassenianus var. lassenianus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron latus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron leibergii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron leiomerus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron lemmonii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron linearis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron lobatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron lonchophyllus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron maguirei +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron mancus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron maniopotamicus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron mariposanus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron melanocephalus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron miser +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron modestus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron muirii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron multiceps +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron nanus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron nauseosus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron nematophyllus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron neomexicanus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron nivalis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron ochroleucus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron oreganus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron oreophilus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron ovinus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron oxyphyllus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron pallens +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron parishii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron parryi +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron peregrinus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron peregrinus var. peregrinus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron peregrinus var. thompsonii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron petrophilus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron petrophilus var. petrophilus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron petrophilus var. sierrensis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron petrophilus var. viscidulus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron philadelphicus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron philadelphicus var. glaber +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron philadelphicus var. philadelphicus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron philadelphicus var. provancheri +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron pinnatisectus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron piperianus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron piscaticus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron poliospermus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron poliospermus var. cereus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron poliospermus var. disciformis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron poliospermus var. poliospermus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron porsildii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron pringlei +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron procumbens +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron pulchellus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron pulchellus var. brauniae +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron pulchellus var. pulchellus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron pulchellus var. tolsteadii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron pulcherrimus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron pumilus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron pumilus var. intermedius +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron pumilus var. pumilus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron purpuratus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron pygmaeus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron quercifolius +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron radicatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron reductus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron reductus var. angustatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron reductus var. reductus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron religiosus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron rhizomatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron robustior +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron rybius +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron rydbergii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron salishii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron salmonensis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron sanctarum +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron saxatilis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron sceptrifer +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron scopulinus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron serpentinus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron sionis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron sionis var. sionis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron sionis var. trilobatus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron sivinskii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron sparsifolius +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron speciosus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron strigosus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron strigosus var. calcicola +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron strigosus var. dolomiticola +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron strigosus var. septentrionalis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron strigosus var. strigosus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron subglaber +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron subtrinervis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron supplex +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron tenellus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron tener +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron tenuis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron tracyi +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron trifidus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron tweedyi +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron uintahensis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron uncialis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron uncialis var. conjugans +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron uncialis var. uncialis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron uniflorus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron uniflorus var. eriocephalus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron untermannii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron ursinus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron utahensis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron vagus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron velutipes +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron vernus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron versicolor +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron vetensis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron vicinus +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron vreelandii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron watsonii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron wilkenii +
in loose , corymbiform or paniculiform arrays  +, singly  +
Erigeron yukonensis +
in loose , corymbiform or paniculiform arrays  +, singly  +
Eriophyllum +
in loose to tight  +, singly  +
Eriophyllum ambiguum +
singly  +
Eriophyllum ambiguum var. ambiguum +
singly  +
Eriophyllum ambiguum var. paleaceum +
singly  +
Eriophyllum confertiflorum +
in loose to tight  +, singly  +
Eriophyllum confertiflorum var. confertiflorum +
in loose to tight  +, singly  +
Eriophyllum confertiflorum var. tanacetiflorum +
in loose to tight  +, singly  +
Eriophyllum congdonii +
singly  +
Eriophyllum jepsonii +
in loose to tight  +, singly  +
Eriophyllum lanatum +
singly  +
Eriophyllum lanatum var. achilleoides +
singly  +
Eriophyllum lanatum var. arachnoideum +
singly  +
Eriophyllum lanatum var. croceum +
singly  +
Eriophyllum lanatum var. grandiflorum +
singly  +
Eriophyllum lanatum var. hallii +
singly  +
Eriophyllum lanatum var. integrifolium +
singly  +
Eriophyllum lanatum var. lanatum +
singly  +
Eriophyllum lanatum var. lanceolatum +
singly  +
Eriophyllum lanatum var. leucophyllum +
singly  +
Eriophyllum lanatum var. obovatum +
singly  +
Eriophyllum lanosum +
singly  +
Eriophyllum latilobum +
in loose to tight  +, singly  +
Eriophyllum mohavense +
in clusters  +, singly  +
Eriophyllum multicaule +
in clusters  +, singly  +
Eriophyllum nubigenum +
in loose arrays  +, singly  +
Eriophyllum pringlei +
in clusters  +, singly  +
Eriophyllum staechadifolium +
in loose to tight  +, singly  +
Eriophyllum wallacei +
singly  +
Eucephalus +
singly  +
Eucephalus breweri +
singly  +
Eucephalus elegans +
singly  +
Eucephalus engelmannii +
singly  +
Eucephalus glabratus +
singly  +
Eucephalus glaucescens +
singly  +
Eucephalus gormanii +
singly  +
Eucephalus ledophyllus +
singly  +
Eucephalus ledophyllus var. covillei +
singly  +
Eucephalus ledophyllus var. ledophyllus +
singly  +
Eucephalus paucicapitatus +
singly  +
Eucephalus tomentellus +
singly  +
Eucephalus vialis +
singly  +
Euchiton +
singly  +
Euchiton gymnocephalus +
singly  +
Euchiton involucratus +
singly  +
Euchiton sphaericus +
singly  +
Eupatorium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium album +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium album var. album +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium album var. subvenosum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium album var. vaseyi +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium altissimum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium anomalum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium cannabinum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium capillifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium compositifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium godfreyanum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium hyssopifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium hyssopifolium var. hyssopifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium hyssopifolium var. laciniatum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium lancifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium leptophyllum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium leucolepis +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium leucolepis var. leucolepis +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium leucolepis var. novaeangliae +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium linearifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium mikanioides +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium mohrii +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium perfoliatum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium petaloideum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium pilosum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium resinosum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium rotundifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium rotundifolium var. ovatum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium rotundifolium var. rotundifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium rotundifolium var. scabridum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium semiserratum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium serotinum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium sessilifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium ×cordigerum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eupatorium ×pinnatifidum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eurybia +
singly  +
Eurybia avita +
singly  +
Eurybia chlorolepis +
singly  +
Eurybia compacta +
singly  +
Eurybia conspicua +
singly  +
Eurybia divaricata +
singly  +
Eurybia eryngiifolia +
in racemiform arrays  +, singly  +
Eurybia furcata +
singly  +
Eurybia hemispherica +
singly  +
Eurybia integrifolia +
singly  +
Eurybia jonesiae +
singly  +
Eurybia macrophylla +
singly  +
Eurybia merita +
singly  +
Eurybia mirabilis +
singly  +
Eurybia paludosa +
singly  +
Eurybia radula +
singly  +
Eurybia radulina +
singly  +
Eurybia saxicastelli +
in corymbiform arrays  +, singly  +
Eurybia schreberi +
singly  +
Eurybia sibirica +
in open corymbiform arrays  +, singly  +
Eurybia spectabilis +
singly  +
Eurybia spinulosa +
singly  +
Eurybia surculosa +
singly  +
Eurybia ×herveyi +
singly  +
Euthamia +
in corymbiform or paniculiform arrays  +, singly  +
Euthamia caroliniana +
in corymbiform or paniculiform arrays  +, singly  +
Euthamia graminifolia +
in corymbiform or paniculiform arrays  +, singly  +
Euthamia gymnospermoides +
in corymbiform or paniculiform arrays  +, singly  +
Euthamia leptocephala +
in corymbiform or paniculiform arrays  +, singly  +
Euthamia occidentalis +
in corymbiform or paniculiform arrays  +, singly  +
Eutrochium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eutrochium dubium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eutrochium fistulosum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eutrochium maculatum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eutrochium maculatum var. bruneri +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eutrochium maculatum var. foliosum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eutrochium maculatum var. maculatum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eutrochium purpureum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eutrochium purpureum var. holzingeri +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eutrochium purpureum var. purpureum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Eutrochium steelei +
in usually determinate , rarely indeterminate , arrays  +, singly  +
F
Facelis +
singly  +
Facelis retusa +
cluster  +
Filago +
aggregated  +, singly  +
Filago pyramidata +
aggregated  +, singly  +
Filago pyramidata var. pyramidata +
aggregated  +, singly  +
Filago vulgaris +
aggregated  +, singly  +
Flaveria +
aggregated  +
Flaveria bidentis +
aggregated  +
Flaveria brownii +
aggregated  +
Flaveria campestris +
aggregated  +
Flaveria chlorifolia +
aggregated  +
Flaveria floridana +
aggregated  +
Flaveria linearis +
aggregated  +
Flaveria mcdougallii +
aggregated  +
Flaveria trinervia +
aggregated  +
Fleischmannia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Fleischmannia incarnata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Fleischmannia sonorae +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Florestina +
radiant  +, singly  +
Florestina tripteris +
radiant  +, singly  +
Flourensia +
in more or less spiciform arrays  +, singly  +
Flourensia cernua +
in more or less spiciform arrays  +, singly  +
Flourensia pringlei +
in more or less spiciform arrays  +, singly  +
Flyriella +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Flyriella parryi +
in usually determinate , rarely indeterminate , arrays  +, singly  +
G
Gaillardia +
singly  +
Gaillardia aestivalis +
singly  +
Gaillardia amblyodon +
singly  +
Gaillardia aristata +
singly  +
Gaillardia arizonica +
singly  +
Gaillardia coahuilensis +
singly  +
Gaillardia multiceps +
singly  +
Gaillardia parryi +
singly  +
Gaillardia pinnatifida +
singly  +
Gaillardia pulchella +
singly  +
Gaillardia spathulata +
singly  +
Gaillardia suavis +
singly  +
Galinsoga +
in loose to tight  +, singly  +
Galinsoga parviflora +
in loose to tight  +, singly  +
Galinsoga parviflora var. parviflora +
in loose to tight  +, singly  +
Galinsoga parviflora var. semicalva +
in loose to tight  +, singly  +
Galinsoga quadriradiata +
in loose to tight  +, singly  +
Gamochaeta +
aggregated  +, singly  +
Gamochaeta antillana +
aggregated  +, singly  +
Gamochaeta argyrinea +
aggregated  +, singly  +
Gamochaeta calviceps +
aggregated  +, singly  +
Gamochaeta chionesthes +
aggregated  +, singly  +
Gamochaeta coarctata +
aggregated  +, singly  +
Gamochaeta pensylvanica +
aggregated  +, singly  +
Gamochaeta purpurea +
aggregated  +, singly  +
Gamochaeta simplicicaulis +
aggregated  +, singly  +
Gamochaeta sphacelata +
aggregated  +, singly  +
Gamochaeta stachydifolia +
aggregated  +, singly  +
Gamochaeta stagnalis +
aggregated  +, singly  +
Gamochaeta ustulata +
aggregated  +, singly  +
Garberia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Garberia heterophylla +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Gazania +
singly  +
Gazania linearis +
singly  +
Geraea +
in open , paniculiform arrays  +, singly  +
Geraea canescens +
in paniculiform arrays  +, singly  +
Geraea viscida +
singly  +
Glebionis +
in 2s  +, singly  +
Glebionis coronaria +
in 2s  +, singly  +
Glebionis segetum +
in 2s  +, singly  +
Glyptopleura +
singly  +
Glyptopleura marginata +
singly  +
Glyptopleura setulosa +
singly  +
Gnaphalium +
aggregated  +, singly  +
Gnaphalium exilifolium +
aggregated  +, singly  +
Gnaphalium palustre +
aggregated  +, singly  +
Gnaphalium uliginosum +
in terminal , capitate glomerules  +, singly  +
Gochnatia +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Gochnatia hypoleuca +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Grindelia +
singly  +
Grindelia adenodonta +
singly  +
Grindelia arizonica +
singly  +
Grindelia ciliata +
in open to crowded , corymbiform arrays  +, singly  +
Grindelia decumbens +
singly  +
Grindelia fraxinipratensis +
singly  +
Grindelia grandiflora +
in open , corymbiform arrays  +, singly  +
Grindelia havardii +
in open to crowded , corymbiform arrays  +, singly  +
Grindelia hirsutula +
singly  +
Grindelia howellii +
singly  +
Grindelia integrifolia +
singly  +
Grindelia lanceolata +
singly  +
Grindelia microcephala +
singly  +
Grindelia oxylepis +
singly  +
Grindelia oölepis +
singly  +
Grindelia pusilla +
singly  +
Grindelia scabra +
singly  +
Grindelia squarrosa +
singly  +
Grindelia subalpina +
singly  +
Guardiola +
aggregated  +
Guardiola platyphylla +
aggregated  +
Guizotia +
aggregated  +
Guizotia abyssinica +
aggregated  +
Gundlachia +
cluster  +
Gundlachia triantha +
cluster  +
Gutierrezia +
singly  +
Gutierrezia arizonica +
in loose , open arrays  +, singly  +
Gutierrezia californica +
in loose arrays  +, singly  +
Gutierrezia microcephala +
singly  +
Gutierrezia petradoria +
singly  +
Gutierrezia pomariensis +
singly  +
Gutierrezia sarothrae +
singly  +
Gutierrezia serotina +
in loose arrays  +, singly  +
Gutierrezia sphaerocephala +
singly  +
Gutierrezia texana +
singly  +
Gutierrezia texana var. glutinosa +
singly  +
Gutierrezia texana var. texana +
singly  +
Gutierrezia wrightii +
singly  +
Gymnosperma +
singly  +
Gymnosperma glutinosum +
singly  +
Gynura +
singly  +
Gynura aurantiaca +
singly  +
H
Haploësthes +
aggregated  +
Haploësthes greggii +
aggregated  +
Haploësthes greggii var. texana +
aggregated  +
Harmonia +
in loose , more or less umbelliform to corymbiform arrays  +, singly  +
Harmonia doris-nilesiae +
in loose , more or less umbelliform to corymbiform arrays  +, singly  +
Harmonia guggolziorum +
in loose , more or less umbelliform to corymbiform arrays  +, singly  +
Harmonia hallii +
in loose , more or less umbelliform to corymbiform arrays  +, singly  +
Harmonia nutans +
in loose , more or less umbelliform to corymbiform arrays  +, singly  +
Harmonia stebbinsii +
in loose , more or less umbelliform to corymbiform arrays  +, singly  +
Hartwrightia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Hartwrightia floridana +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Hasteola +
singly  +
Hasteola robertiorum +
singly  +
Hasteola suaveolens +
singly  +
Hazardia +
singly  +
Hazardia brickellioides +
singly  +
Hazardia cana +
singly  +
Hazardia detonsa +
subcorymbiform  +
Hazardia orcuttii +
singly  +
Hazardia squarrosa +
singly  +
Hazardia squarrosa var. grindelioides +
singly  +
Hazardia squarrosa var. obtusa +
singly  +
Hazardia squarrosa var. squarrosa +
singly  +
Hazardia stenolepis +
singly  +
Hazardia whitneyi +
in spiciform , racemiform or cymiform , arrays  +, singly  +
Hazardia whitneyi var. discoidea +
in spiciform , racemiform or cymiform , arrays  +, singly  +
Hazardia whitneyi var. whitneyi +
in spiciform , racemiform or cymiform , arrays  +, singly  +
Hecastocleis +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Hecastocleis shockleyi +
in corymbiform , paniculiform or racemiform , arrays  +, singly  +
Hedosyne +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Hedosyne ambrosiifolia +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Hedypnois +
in loose , corymbiform arrays  +, singly  +
Hedypnois cretica +
in loose , corymbiform arrays  +, singly  +
Helenium +
singly  +
Helenium amarum +
singly  +
Helenium amarum var. amarum +
singly  +
Helenium amarum var. badium +
singly  +
Helenium arizonicum +
singly  +
Helenium autumnale +
singly  +
Helenium bigelovii +
in paniculiform arrays  +, singly  +
Helenium bolanderi +
singly  +
Helenium brevifolium +
in paniculiform to corymbiform arrays  +, singly  +
Helenium campestre +
singly  +
Helenium drummondii +
singly  +
Helenium elegans +
singly  +
Helenium elegans var. amphibolum +
singly  +
Helenium elegans var. elegans +
singly  +
Helenium flexuosum +
singly  +
Helenium linifolium +
singly  +
Helenium microcephalum +
singly  +
Helenium microcephalum var. microcephalum +
singly  +
Helenium microcephalum var. oöclinium +
singly  +
Helenium pinnatifidum +
singly  +
Helenium puberulum +
singly  +
Helenium quadridentatum +
singly  +
Helenium thurberi +
singly  +
Helenium vernale +
singly  +
Helenium virginicum +
singly  +
Helianthella +
singly  +
Helianthella californica +
singly  +
Helianthella californica subsp. californica +
singly  +
Helianthella californica subsp. nevadensis +
singly  +
Helianthella californica subsp. shastensis +
singly  +
Helianthella castanea +
singly  +
Helianthella microcephala +
singly  +
Helianthella parryi +
singly  +
Helianthella quinquenervis +
singly  +
Helianthella uniflora +
singly  +
Helianthus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus agrestis +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus angustifolius +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus annuus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus anomalus +
singly  +
Helianthus argophyllus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus arizonensis +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus atrorubens +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus bolanderi +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus californicus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus carnosus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus ciliaris +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus cusickii +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus debilis +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus debilis subsp. cucumerifolius +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus debilis subsp. debilis +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus debilis subsp. silvestris +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus debilis subsp. tardiflorus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus debilis subsp. vestitus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus decapetalus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus deserticola +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus divaricatus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus eggertii +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus exilis +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus floridanus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus giganteus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus glaucophyllus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus gracilentus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus grosseserratus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus heterophyllus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus hirsutus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus laciniatus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus laevigatus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus longifolius +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus maximiliani +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus microcephalus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus mollis +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus neglectus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus niveus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus niveus subsp. tephrodes +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus nuttallii +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus nuttallii subsp. nuttallii +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus nuttallii subsp. parishii +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus nuttallii subsp. rydbergii +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus occidentalis +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus occidentalis subsp. occidentalis +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus occidentalis subsp. plantagineus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus paradoxus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus pauciflorus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus pauciflorus subsp. pauciflorus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus pauciflorus subsp. subrhomboideus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus petiolaris +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus petiolaris subsp. fallax +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus petiolaris subsp. petiolaris +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus porteri +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus praecox +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus praecox subsp. hirtus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus praecox subsp. praecox +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus praecox subsp. runyonii +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus pumilus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus radula +
singly  +
Helianthus resinosus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus salicifolius +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus schweinitzii +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus silphioides +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus simulans +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus smithii +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus strumosus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus tuberosus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus verticillatus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helianthus ×laetiflorus +
in more or less corymbiform , paniculiform or spiciform , arrays  +, singly  +
Helichrysum +
aggregated  +, singly  +
Helichrysum petiolare +
aggregated  +, singly  +
Heliomeris +
in cymiform to paniculiform arrays  +, singly  +
Heliomeris hispida +
in cymiform to paniculiform arrays  +, singly  +
Heliomeris longifolia +
in cymiform to paniculiform arrays  +, singly  +
Heliomeris longifolia var. annua +
in cymiform to paniculiform arrays  +, singly  +
Heliomeris longifolia var. longifolia +
in cymiform to paniculiform arrays  +, singly  +
Heliomeris multiflora +
in cymiform to paniculiform arrays  +, singly  +
Heliomeris multiflora var. brevifolia +
in cymiform to paniculiform arrays  +, singly  +
Heliomeris multiflora var. multiflora +
in cymiform to paniculiform arrays  +, singly  +
Heliomeris multiflora var. nevadensis +
in cymiform to paniculiform arrays  +, singly  +
Heliomeris soliceps +
in cymiform to paniculiform arrays  +, singly  +
Heliopsis +
singly  +
Heliopsis gracilis +
singly  +
Heliopsis helianthoides +
singly  +
Heliopsis helianthoides var. helianthoides +
singly  +
Heliopsis helianthoides var. scabra +
singly  +
Heliopsis parvifolia +
singly  +
Helminthotheca +
in loose , corymbiform arrays  +, singly  +
Helminthotheca echioides +
in loose , corymbiform arrays  +, singly  +
Hemizonella +
in corymbiform arrays or glomerules  +, singly  +
Hemizonella minima +
in corymbiform arrays or glomerules  +, singly  +
Hemizonia +
singly  +
Hemizonia congesta +
singly  +
Hemizonia congesta subsp. calyculata +
singly  +
Hemizonia congesta subsp. clevelandii +
singly  +
Hemizonia congesta subsp. congesta +
singly  +
Hemizonia congesta subsp. lutescens +
singly  +
Hemizonia congesta subsp. luzulifolia +
singly  +
Hemizonia congesta subsp. tracyi +
singly  +
Herrickia +
singly  +
Herrickia glauca +
singly  +
Herrickia glauca var. glauca +
singly  +
Herrickia glauca var. pulchra +
singly  +
Herrickia horrida +
singly  +
Herrickia kingii +
in more or less corymbiform arrays  +, singly  +
Herrickia kingii var. barnebyana +
in more or less corymbiform arrays  +, singly  +
Herrickia kingii var. kingii +
in more or less corymbiform arrays  +, singly  +
Herrickia wasatchensis +
singly  +
Hesperevax +
singly  +
Hesperevax acaulis +
,  +, singly  +
Hesperevax acaulis var. acaulis +
,  +, singly  +
Hesperevax acaulis var. ambusticola +
singly  +
Hesperevax acaulis var. robustior +
,  +, singly  +
Hesperevax caulescens +
adjacent  +
Hesperevax sparsiflora +
mixed  +
Hesperevax sparsiflora var. brevifolia +
mixed  +
Hesperevax sparsiflora var. sparsiflora +
mixed  +
Heteranthemis +
in 2s  +, singly  +
Heteranthemis viscidihirta +
in 2s  +, singly  +
Heterosperma +
in loose , cymiform arrays  +, singly  +
Heterosperma pinnatum +
in loose , cymiform arrays  +, singly  +
Heterotheca +
in corymbiform arrays  +, singly  +
Heterotheca camporum +
singly  +
Heterotheca camporum var. camporum +
singly  +
Heterotheca camporum var. glandulissima +
singly  +
Heterotheca canescens +
in corymbiform arrays  +, singly  +
Heterotheca fulcrata +
in corymbiform arrays  +, singly  +
Heterotheca fulcrata var. amplifolia +
in corymbiform arrays  +, singly  +
Heterotheca fulcrata var. arizonica +
in corymbiform arrays  +, singly  +
Heterotheca fulcrata var. fulcrata +
in corymbiform arrays  +, singly  +
Heterotheca fulcrata var. senilis +
in corymbiform arrays  +, singly  +
Heterotheca grandiflora +
in corymbiform arrays  +, singly  +
Heterotheca jonesii +
singly  +
Heterotheca marginata +
in corymbiform arrays  +, singly  +
Heterotheca monarchensis +
in corymbiform arrays  +, singly  +
Heterotheca oregona +
in corymbiform arrays  +, singly  +
Heterotheca oregona var. compacta +
in corymbiform arrays  +, singly  +
Heterotheca oregona var. oregona +
in corymbiform arrays  +, singly  +
Heterotheca oregona var. rudis +
in corymbiform arrays  +, singly  +
Heterotheca oregona var. scaberrima +
in corymbiform arrays  +, singly  +
Heterotheca pumila +
in corymbiform arrays  +, singly  +
Heterotheca rutteri +
in corymbiform arrays  +, singly  +
Heterotheca sessiliflora +
in corymbiform arrays  +, singly  +
Heterotheca sessiliflora subsp. bolanderi +
in corymbiform arrays  +, singly  +
Heterotheca sessiliflora subsp. echioides +
in corymbiform arrays  +, singly  +
Heterotheca sessiliflora subsp. fastigiata +
in corymbiform arrays  +, singly  +
Heterotheca sessiliflora subsp. sessiliflora +
in corymbiform arrays  +, singly  +
Heterotheca shevockii +
in corymbiform arrays  +, singly  +
Heterotheca stenophylla +
in corymbiform arrays  +, singly  +
Heterotheca stenophylla var. angustifolia +
in corymbiform arrays  +, singly  +
Heterotheca stenophylla var. stenophylla +
in corymbiform arrays  +, singly  +
Heterotheca subaxillaris +
in corymbiform arrays  +, singly  +
Heterotheca subaxillaris subsp. latifolia +
in corymbiform arrays  +, singly  +
Heterotheca subaxillaris subsp. subaxillaris +
in corymbiform arrays  +, singly  +
Heterotheca villosa +
in corymbiform arrays  +, singly  +
Heterotheca villosa var. ballardii +
in corymbiform arrays  +, singly  +
Heterotheca villosa var. depressa +
in corymbiform arrays  +, singly  +
Heterotheca villosa var. foliosa +
in corymbiform arrays  +, singly  +
Heterotheca villosa var. minor +
in corymbiform arrays  +, singly  +
Heterotheca villosa var. nana +
in corymbiform arrays  +, singly  +
Heterotheca villosa var. pedunculata +
in corymbiform arrays  +, singly  +
Heterotheca villosa var. scabra +
in usually very open , sometimes compact , corymbiform arrays , branches  +, singly  +
Heterotheca villosa var. sierrablancensis +
in corymbiform arrays  +, singly  +
Heterotheca villosa var. villosa +
in corymbiform arrays  +, singly  +
Heterotheca viscida +
in open , corymbiform arrays  +, singly  +
Heterotheca zionensis +
in corymbiform arrays  +, singly  +
Hieracium +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium abscissum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium albiflorum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium alpinum +
singly  +
Hieracium argutum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium aurantiacum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium bolanderi +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium brevipilum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium caespitosum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium carneum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium crepidispermum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium fendleri +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium flagellare +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium greenei +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium gronovii +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium horridum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium lactucella +
singly  +
Hieracium longiberbe +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium longipilum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium megacephalon +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium murorum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium nudicaule +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium paniculatum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium parryi +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium pilosella +
singly  +
Hieracium piloselloides +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium pringlei +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium robinsonii +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium sabaudum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium scabrum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium schultzii +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium scouleri +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium traillii +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium triste +
singly  +
Hieracium umbellatum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium venosum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Hieracium vulgatum +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays  +, singly  +
Holocarpha +
singly  +
Holocarpha heermannii +
in paniculiform or racemiform arrays  +, singly  +
Holocarpha macradenia +
singly  +
Holocarpha obconica +
singly  +
Holocarpha virgata +
in more or less racemiform to spiciform arrays  +, singly  +
Holocarpha virgata subsp. elongata +
in more or less racemiform to spiciform arrays  +, singly  +
Holocarpha virgata subsp. virgata +
in more or less racemiform to spiciform arrays  +, singly  +
Holozonia +
in loose , corymbiform arrays  +, singly  +
Holozonia filipes +
in loose , corymbiform arrays  +, singly  +
Hulsea +
in corymbiform arrays  +, singly  +
Hulsea algida +
in corymbiform arrays  +, singly  +
Hulsea brevifolia +
in corymbiform arrays  +, singly  +
Hulsea californica +
in corymbiform arrays  +, singly  +
Hulsea heterochroma +
in corymbiform arrays  +, singly  +
Hulsea mexicana +
in corymbiform arrays  +, singly  +
Hulsea nana +
in corymbiform arrays  +, singly  +
Hulsea vestita +
in corymbiform arrays  +, singly  +
Hulsea vestita subsp. callicarpha +
in corymbiform arrays  +, singly  +
Hulsea vestita subsp. gabrielensis +
in corymbiform arrays  +, singly  +
Hulsea vestita subsp. inyoensis +
in corymbiform arrays  +, singly  +
Hulsea vestita subsp. parryi +
in corymbiform arrays  +, singly  +
Hulsea vestita subsp. pygmaea +
in corymbiform arrays  +, singly  +
Hulsea vestita subsp. vestita +
in corymbiform arrays  +, singly  +
Hulteniella +
singly  +
Hulteniella integrifolia +
singly  +
Hymenopappus +
aggregated  +
Hymenopappus artemisiifolius +
aggregated  +
Hymenopappus artemisiifolius var. artemisiifolius +
aggregated  +
Hymenopappus artemisiifolius var. riograndensis +
aggregated  +
Hymenopappus biennis +
aggregated  +
Hymenopappus carrizoanus +
aggregated  +
Hymenopappus filifolius +
aggregated  +
Hymenopappus filifolius var. cinereus +
aggregated  +
Hymenopappus filifolius var. eriopodus +
aggregated  +
Hymenopappus filifolius var. filifolius +
aggregated  +
Hymenopappus filifolius var. idahoensis +
aggregated  +
Hymenopappus filifolius var. lugens +
aggregated  +
Hymenopappus filifolius var. luteus +
aggregated  +
Hymenopappus filifolius var. megacephalus +
aggregated  +
Hymenopappus filifolius var. nanus +
aggregated  +
Hymenopappus filifolius var. nudipes +
aggregated  +
Hymenopappus filifolius var. parvulus +
aggregated  +
Hymenopappus filifolius var. pauciflorus +
aggregated  +
Hymenopappus filifolius var. polycephalus +
aggregated  +
Hymenopappus filifolius var. tomentosus +
aggregated  +
Hymenopappus flavescens +
aggregated  +
Hymenopappus flavescens var. canotomentosus +
aggregated  +
Hymenopappus flavescens var. flavescens +
aggregated  +
Hymenopappus mexicanus +
aggregated  +
Hymenopappus newberryi +
aggregated  +
Hymenopappus radiatus +
aggregated  +
Hymenopappus scabiosaeus +
aggregated  +
Hymenopappus scabiosaeus var. corymbosus +
aggregated  +
Hymenopappus scabiosaeus var. scabiosaeus +
aggregated  +
Hymenopappus tenuifolius +
aggregated  +
Hymenothrix +
radiant  +, singly  +
Hymenothrix loomisii +
radiant  +, singly  +
Hymenothrix wislizeni +
radiant  +, singly  +
Hymenothrix wrightii +
radiant  +, singly  +
Hymenoxys +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys ambigens +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys ambigens var. ambigens +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys ambigens var. floribunda +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys ambigens var. neomexicana +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys bigelovii +
singly  +
Hymenoxys brachyactis +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys brandegeei +
singly  +
Hymenoxys cooperi +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys grandiflora +
singly  +
Hymenoxys helenioides +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys hoopesii +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys jamesii +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys lemmonii +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys odorata +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys quinquesquamata +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys richardsonii +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys richardsonii var. floribunda +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys richardsonii var. richardsonii +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys rusbyi +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys subintegra +
in paniculiform to corymbiform arrays  +, singly  +
Hymenoxys texana +
in paniculiform arrays  +, singly  +
Hymenoxys vaseyi +
in paniculiform to corymbiform arrays  +, singly  +
Hypochaeris +
in loose , cymiform , paniculiform or corymbiform , arrays  +, singly  +
Hypochaeris chillensis +
in loose , cymiform , paniculiform or corymbiform , arrays  +, singly  +
Hypochaeris glabra +
singly  +
Hypochaeris microcephala +
in loose , cymiform , paniculiform or corymbiform , arrays  +, singly  +
Hypochaeris microcephala var. albiflora +
singly  +
Hypochaeris radicata +
singly  +
I
Inula +
in open , corymbiform arrays  +, singly  +
Inula britannica +
in open , corymbiform arrays  +, singly  +
Inula helenium +
in open , corymbiform arrays  +, singly  +
Inula salicina +
in open , corymbiform arrays  +, singly  +
Ionactis +
singly  +
Ionactis alpina +
singly  +
Ionactis caelestis +
in loose , corymbiform arrays  +, singly  +
Ionactis elegans +
singly  +
Ionactis linariifolia +
singly  +
Ionactis stenomeres +
singly  +
Ismelia +
in 2s  +, singly  +
Ismelia carinata +
in 2s  +, singly  +
Isocarpha +
in tight , corymbiform to subcapitate arrays  +, singly  +
Isocarpha oppositifolia +
in tight , corymbiform to subcapitate arrays  +, singly  +
Isocarpha oppositifolia var. achyranthes +
in tight , corymbiform to subcapitate arrays  +, singly  +
Isocoma +
singly  +
Isocoma acradenia +
singly  +
Isocoma acradenia var. acradenia +
singly  +
Isocoma acradenia var. bracteosa +
singly  +
Isocoma acradenia var. eremophila +
singly  +
Isocoma arguta +
singly  +
Isocoma azteca +
singly  +
Isocoma coronopifolia +
singly  +
Isocoma drummondii +
singly  +
Isocoma humilis +
singly  +
Isocoma menziesii +
singly  +
Isocoma menziesii var. decumbens +
singly  +
Isocoma menziesii var. diabolica +
singly  +
Isocoma menziesii var. menziesii +
singly  +
Isocoma menziesii var. sedoides +
singly  +
Isocoma menziesii var. vernonioides +
singly  +
Isocoma pluriflora +
singly  +
Isocoma rusbyi +
singly  +
Isocoma tenuisecta +
singly  +
Iva +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Iva angustifolia +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Iva annua +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Iva axillaris +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Iva frutescens +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Iva hayesiana +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Iva imbricata +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Iva microcephala +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Ixeris +
in loose , corymbiform arrays  +, singly  +
Ixeris stolonifera +
in loose , corymbiform arrays  +, singly  +
J
Jamesianthus +
in open , corymbiform arrays  +, singly  +
Jamesianthus alabamensis +
in open , corymbiform arrays  +, singly  +
Jaumea +
singly  +
Jaumea carnosa +
singly  +
Jefea +
singly  +
Jefea brevifolia +
singly  +
Jensia +
singly  +
Jensia rammii +
singly  +
Jensia yosemitana +
singly  +
Juncus anthelatus +
singly  +
Juncus arcticus +
singly  +
Juncus arcticus var. alaskanus +
singly  +
Juncus arcticus var. balticus +
singly  +
Juncus arcticus var. mexicanus +
singly  +
Juncus brachyphyllus +
singly  +
Juncus bufonius +
singly  +
Juncus compressus +
singly  +
Juncus confusus +
singly  +
Juncus coriaceus +
singly  +
Juncus dichotomus +
singly  +
Juncus drummondii +
singly  +
Juncus dudleyi +
singly  +
Juncus effusus +
singly  +
Juncus filiformis +
singly  +
Juncus georgianus +
singly  +
Juncus gerardii +
singly  +
Juncus greenei +
singly  +
Juncus gymnocarpus +
singly  +
Juncus hallii +
singly  +
Juncus inflexus +
singly  +
Juncus interior +
singly  +
Juncus lesueurii +
singly  +
Juncus occidentalis +
singly  +
Juncus parryi +
singly  +
Juncus patens +
singly  +
Juncus secundus +
singly  +
Juncus squarrosus +
singly  +
Juncus subg. Genuini +
singly  +
Juncus subg. Poiophylli +
singly  +
Juncus tenuis +
singly  +
Juncus textilis +
singly  +
Juncus trifidus +
singly  +
Juncus vaseyi +
singly  +
K
Koanophyllon +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Koanophyllon palmeri +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Koanophyllon solidaginifolium +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Koanophyllon villosum +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Krigia +
singly  +
Krigia biflora +
singly  +
Krigia cespitosa +
singly  +
Krigia cespitosa var. cespitosa +
singly  +
Krigia cespitosa var. gracilis +
singly  +
Krigia dandelion +
singly  +
Krigia montana +
singly  +
Krigia occidentalis +
singly  +
Krigia virginica +
singly  +
Krigia wrightii +
singly  +
Kyhosia +
in loose , more or less corymbiform arrays  +, singly  +
Kyhosia bolanderi +
in loose , more or less corymbiform arrays  +, singly  +
L
Lactuca +
in corymbiform to paniculiform arrays  +, singly  +
Lactuca biennis +
in corymbiform to paniculiform arrays  +, singly  +
Lactuca canadensis +
in corymbiform to paniculiform arrays  +, singly  +
Lactuca floridana +
in corymbiform to paniculiform arrays  +, singly  +
Lactuca graminifolia +
in corymbiform to paniculiform arrays  +, singly  +
Lactuca hirsuta +
in corymbiform to paniculiform arrays  +, singly  +
Lactuca ludoviciana +
in corymbiform to paniculiform arrays  +, singly  +
Lactuca saligna +
in corymbiform to paniculiform arrays  +, singly  +
Lactuca sativa +
in corymbiform to paniculiform arrays  +, singly  +
Lactuca serriola +
in corymbiform to paniculiform arrays  +, singly  +
Lactuca virosa +
in corymbiform to paniculiform arrays  +, singly  +
Lagascea +
in corymbiform arrays  +, singly  +
Lagascea decipiens +
in corymbiform arrays  +, singly  +
Lagascea decipiens var. decipiens +
in corymbiform arrays  +, singly  +
Lagophylla +
singly  +
Lagophylla dichotoma +
singly  +
Lagophylla glandulosa +
singly  +
Lagophylla minor +
singly  +
Lagophylla ramosissima +
singly  +
Lapsana +
singly  +
Lapsana communis +
singly  +
Lapsanastrum +
singly  +
Lapsanastrum apogonoides +
singly  +
Lasianthaea +
singly  +
Lasianthaea podocephala +
singly  +
Lasthenia +
in more or less corymbiform arrays  +, singly  +
Lasthenia burkei +
in more or less corymbiform arrays  +, singly  +
Lasthenia californica +
in more or less corymbiform arrays  +, singly  +
Lasthenia californica subsp. bakeri +
in more or less corymbiform arrays  +, singly  +
Lasthenia californica subsp. californica +
in more or less corymbiform arrays  +, singly  +
Lasthenia californica subsp. macrantha +
in more or less corymbiform arrays  +, singly  +
Lasthenia chrysantha +
in more or less corymbiform arrays  +, singly  +
Lasthenia conjugens +
in more or less corymbiform arrays  +, singly  +
Lasthenia coronaria +
in more or less corymbiform arrays  +, singly  +
Lasthenia debilis +
in more or less corymbiform arrays  +, singly  +
Lasthenia ferrisiae +
in more or less corymbiform arrays  +, singly  +
Lasthenia fremontii +
in more or less corymbiform arrays  +, singly  +
Lasthenia glaberrima +
in more or less corymbiform arrays  +, singly  +
Lasthenia glabrata +
in more or less corymbiform arrays  +, singly  +
Lasthenia glabrata subsp. coulteri +
in more or less corymbiform arrays  +, singly  +
Lasthenia glabrata subsp. glabrata +
in more or less corymbiform arrays  +, singly  +
Lasthenia gracilis +
in more or less corymbiform arrays  +, singly  +
Lasthenia leptalea +
in more or less corymbiform arrays  +, singly  +
Lasthenia maritima +
in more or less corymbiform arrays  +, singly  +
Lasthenia microglossa +
in more or less corymbiform arrays  +, singly  +
Lasthenia minor +
in more or less corymbiform arrays  +, singly  +
Lasthenia ornduffii +
in more or less corymbiform arrays  +, singly  +
Lasthenia platycarpha +
in more or less corymbiform arrays  +, singly  +
Lasthenia sect. Amphiachaenia +
in more or less corymbiform arrays  +, singly  +
Lasthenia sect. Burrielia +
in more or less corymbiform arrays  +, singly  +
Lasthenia sect. Hologymne +
in more or less corymbiform arrays  +, singly  +
Lasthenia sect. Lasthenia +
in more or less corymbiform arrays  +, singly  +
Lasthenia sect. Ornduffia +
in more or less corymbiform arrays  +, singly  +
Lasthenia sect. Platycarpha +
in more or less corymbiform arrays  +, singly  +
Lasthenia sect. Ptilomeris +
in more or less corymbiform arrays  +, singly  +
Launaea +
singly  +
Launaea intybacea +
singly  +
Layia +
in more or less corymbiform arrays  +, singly  +
Layia carnosa +
in more or less corymbiform arrays  +, singly  +
Layia chrysanthemoides +
in more or less corymbiform arrays  +, singly  +
Layia discoidea +
in more or less corymbiform arrays  +, singly  +
Layia fremontii +
in more or less corymbiform arrays  +, singly  +
Layia gaillardioides +
in more or less corymbiform arrays  +, singly  +
Layia glandulosa +
in more or less corymbiform arrays  +, singly  +
Layia heterotricha +
in more or less corymbiform arrays  +, singly  +
Layia hieracioides +
in more or less corymbiform arrays  +, singly  +
Layia jonesii +
in more or less corymbiform arrays  +, singly  +
Layia leucopappa +
in more or less corymbiform arrays  +, singly  +
Layia munzii +
in more or less corymbiform arrays  +, singly  +
Layia pentachaeta +
in more or less corymbiform arrays  +, singly  +
Layia pentachaeta subsp. albida +
in more or less corymbiform arrays  +, singly  +
Layia pentachaeta subsp. pentachaeta +
in more or less corymbiform arrays  +, singly  +
Layia platyglossa +
in more or less corymbiform arrays  +, singly  +
Layia septentrionalis +
in more or less corymbiform arrays  +, singly  +
Laënnecia +
singly  +
Laënnecia coulteri +
singly  +
Laënnecia eriophylla +
singly  +
Laënnecia filaginoides +
singly  +
Laënnecia schiedeana +
singly  +
Laënnecia sophiifolia +
singly  +
Laënnecia turnerorum +
singly  +
Leibnitzia +
singly  +
Leibnitzia lyrata +
singly  +
Leontodon +
singly  +
Leontodon autumnalis +
singly  +
Leontodon hispidus +
singly  +
Leontodon saxatilis +
singly  +
Leontodon saxatilis subsp. longirostris +
singly  +
Leontodon saxatilis subsp. saxatilis +
singly  +
Lepidospartum +
singly  +
Lepidospartum burgessii +
singly  +
Lepidospartum latisquamum +
singly  +
Lepidospartum squamatum +
singly  +
Lessingia +
in more or less corymbiform arrays  +, singly  +
Lessingia arachnoidea +
in more or less corymbiform arrays  +, singly  +
Lessingia germanorum +
singly  +
Lessingia glandulifera +
in more or less corymbiform arrays  +, singly  +
Lessingia glandulifera var. glandulifera +
in more or less corymbiform arrays  +, singly  +
Lessingia glandulifera var. peirsonii +
in more or less corymbiform arrays  +, singly  +
Lessingia glandulifera var. tomentosa +
in more or less corymbiform arrays  +, singly  +
Lessingia hololeuca +
in corymbiform arrays  +, singly  +
Lessingia leptoclada +
in corymbiform arrays  +, singly  +
Lessingia micradenia +
in more or less corymbiform arrays  +, singly  +
Lessingia micradenia var. glabrata +
in more or less corymbiform arrays  +, singly  +
Lessingia micradenia var. micradenia +
in more or less corymbiform arrays  +, singly  +
Lessingia nana +
in corymbiform arrays  +, singly  +
Lessingia nemaclada +
in corymbiform arrays  +, singly  +
Lessingia pectinata +
in more or less corymbiform arrays  +, singly  +
Lessingia pectinata var. pectinata +
in more or less corymbiform arrays  +, singly  +
Lessingia pectinata var. tenuipes +
in more or less corymbiform arrays  +, singly  +
Lessingia ramulosa +
in more or less corymbiform arrays  +, singly  +
Lessingia tenuis +
in more or less corymbiform arrays  +, singly  +
Lessingia virgata +
in corymbiform arrays  +, singly  +
Leucanthemella +
in 2s  +, singly  +
Leucanthemella serotina +
in 2s  +, singly  +
Leucanthemum +
in 2s  +, singly  +
Leucanthemum lacustre +
in 2s  +, singly  +
Leucanthemum maximum +
in 2s  +, singly  +
Leucanthemum vulgare +
in 2s  +, singly  +
Leuciva +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Leuciva dealbata +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Liatris +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris acidota +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris aestivalis +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris aspera +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris bracteata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris chapmanii +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris cokeri +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris compacta +
singly  +
Liatris cylindracea +
singly  +
Liatris cymosa +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris elegans +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris elegans var. bridgesii +
crowded  +
Liatris elegans var. carizzana +
crowded  +
Liatris elegans var. elegans +
crowded  +
Liatris elegans var. kralii +
well-spaced  +
Liatris elegantula +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris garberi +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris gholsonii +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris glandulosa +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris gracilis +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris helleri +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris hirsuta +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris laevigata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris lancifolia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris ligulistylis +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris microcephala +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris ohlingerae +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris oligocephala +
singly  +
Liatris patens +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris pauciflora +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris pauciflora var. pauciflora +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris pauciflora var. secunda +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris pilosa +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris provincialis +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris punctata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris punctata var. mexicana +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris punctata var. mucronata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris punctata var. punctata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris pycnostachya +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris pycnostachya var. lasiophylla +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris pycnostachya var. pycnostachya +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris savannensis +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris scariosa +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris scariosa var. nieuwlandii +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris scariosa var. novaeangliae +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris scariosa var. scariosa +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris spicata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris spicata var. resinosa +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris spicata var. spicata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris squarrosa +
singly  +
Liatris squarrosa var. glabrata +
singly  +
Liatris squarrosa var. squarrosa +
singly  +
Liatris squarrulosa +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris tenuifolia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris tenuis +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Liatris virgata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Ligularia +
singly  +
Ligularia dentata +
singly  +
Lindheimera +
in loose , corymbiform arrays  +, singly  +
Lindheimera texana +
in loose , corymbiform arrays  +, singly  +
Liquidambar +
cluster  +
Liquidambar styraciflua +
cluster  +
Logfia +
singly  +
Logfia arizonica +
singly  +
Logfia arvensis +
singly  +
Logfia depressa +
singly  +
Logfia filaginoides +
singly  +
Logfia gallica +
singly  +
Logfia minima +
singly  +
Lorandersonia +
singly  +
Lorandersonia baileyi +
singly  +
Lorandersonia linifolia +
singly  +
Lorandersonia microcephala +
singly  +
Lorandersonia peirsonii +
singly  +
Lorandersonia pulchella +
singly  +
Lorandersonia salicina +
singly  +
Lorandersonia spathulata +
cluster  +
Luina +
singly  +
Luina hypoleuca +
singly  +
Luina serpentina +
singly  +
Lygodesmia +
in loose , corymbiform arrays  +, singly  +
Lygodesmia aphylla +
in corymbiform arrays  +, singly  +
Lygodesmia grandiflora +
in loose , corymbiform arrays  +, singly  +
Lygodesmia grandiflora var. arizonica +
singly  +
Lygodesmia grandiflora var. dianthopsis +
in loose , corymbiform arrays  +, singly  +
Lygodesmia grandiflora var. doloresensis +
singly  +
Lygodesmia grandiflora var. entrada +
in loose , corymbiform arrays  +, singly  +
Lygodesmia grandiflora var. grandiflora +
in loose , corymbiform arrays  +, singly  +
Lygodesmia juncea +
in corymbiform arrays  +, singly  +
Lygodesmia ramosissima +
singly  +
Lygodesmia texana +
singly  +
M
Machaeranthera +
singly  +
Machaeranthera tagetina +
singly  +
Machaeranthera tanacetifolia +
singly  +
Madia +
singly  +
Madia anomala +
singly  +
Madia citrigracilis +
singly  +
Madia citriodora +
singly  +
Madia elegans +
singly  +
Madia exigua +
singly  +
Madia glomerata +
singly  +
Madia gracilis +
singly  +
Madia radiata +
singly  +
Madia sativa +
singly  +
Madia subspicata +
singly  +
Malacothrix +
singly  +
Malacothrix californica +
singly  +
Malacothrix clevelandii +
singly  +
Malacothrix coulteri +
singly  +
Malacothrix fendleri +
singly  +
Malacothrix floccifera +
singly  +
Malacothrix foliosa +
singly  +
Malacothrix foliosa subsp. crispifolia +
singly  +
Malacothrix foliosa subsp. foliosa +
singly  +
Malacothrix foliosa subsp. philbrickii +
singly  +
Malacothrix foliosa subsp. polycephala +
singly  +
Malacothrix glabrata +
singly  +
Malacothrix incana +
singly  +
Malacothrix indecora +
singly  +
Malacothrix junakii +
singly  +
Malacothrix phaeocarpa +
singly  +
Malacothrix saxatilis +
singly  +
Malacothrix saxatilis var. arachnoidea +
singly  +
Malacothrix saxatilis var. commutata +
singly  +
Malacothrix saxatilis var. implicata +
singly  +
Malacothrix saxatilis var. saxatilis +
singly  +
Malacothrix saxatilis var. tenuifolia +
singly  +
Malacothrix similis +
singly  +
Malacothrix sonchoides +
singly  +
Malacothrix sonorae +
singly  +
Malacothrix squalida +
singly  +
Malacothrix stebbinsii +
singly  +
Malacothrix torreyi +
singly  +
Malperia +
singly  +
Malperia tenuis +
singly  +
Mantisalca +
radiant  +, singly  +
Mantisalca salmantica +
radiant  +, singly  +
Marshallia +
in open , corymbiform arrays  +, singly  +
Marshallia caespitosa +
singly  +
Marshallia graminifolia +
in open , corymbiform arrays  +, singly  +
Marshallia grandiflora +
in open , corymbiform arrays  +, singly  +
Marshallia mohrii +
in open , corymbiform arrays  +, singly  +
Marshallia obovata +
in open , corymbiform arrays  +, singly  +
Marshallia ramosa +
in open , corymbiform arrays  +, singly  +
Marshallia trinervia +
in open , corymbiform arrays  +, singly  +
Matricaria +
in open , corymbiform arrays  +, singly  +
Matricaria chamomilla +
singly  +
Matricaria discoidea +
singly  +
Matricaria occidentalis +
in open , corymbiform arrays  +, singly  +
Mauranthemum +
in open , corymbiform arrays  +, singly  +
Mauranthemum paludosum +
in open , corymbiform arrays  +, singly  +
Melampodium +
singly  +
Melampodium appendiculatum +
singly  +
Melampodium cinereum +
singly  +
Melampodium divaricatum +
singly  +
Melampodium leucanthum +
singly  +
Melampodium longicorne +
singly  +
Melampodium perfoliatum +
singly  +
Melampodium strigosum +
singly  +
Melanthera +
in loose , corymbiform arrays  +, singly  +
Melanthera angustifolia +
singly  +
Melanthera nivea +
in loose , corymbiform arrays  +, singly  +
Melanthera parvifolia +
singly  +
Micropsis +
aggregated  +, singly  +
Micropsis dasycarpa +
aggregated  +, singly  +
Micropus +
dichasiform  +, singly  +
Micropus amphibolus +
dichasiform  +, singly  +
Micropus californicus +
dichasiform  +, singly  +
Micropus californicus var. californicus +
dichasiform  +, singly  +
Micropus californicus var. subvestitus +
dichasiform  +, singly  +
Microseris +
singly  +
Microseris acuminata +
singly  +
Microseris bigelovii +
singly  +
Microseris borealis +
singly  +
Microseris campestris +
singly  +
Microseris douglasii +
singly  +
Microseris douglasii subsp. douglasii +
singly  +
Microseris douglasii subsp. platycarpha +
singly  +
Microseris douglasii subsp. tenella +
singly  +
Microseris elegans +
singly  +
Microseris howellii +
singly  +
Microseris laciniata +
singly  +
Microseris laciniata subsp. detlingii +
singly  +
Microseris laciniata subsp. laciniata +
singly  +
Microseris laciniata subsp. leptosepala +
singly  +
Microseris laciniata subsp. siskiyouensis +
singly  +
Microseris nutans +
singly  +
Microseris paludosa +
singly  +
Microseris sylvatica +
singly  +
Mikania +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Mikania batatifolia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Mikania cordifolia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Mikania scandens +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Monolopia +
in corymbiform , glomerate or paniculiform , arrays  +, singly  +
Monolopia congdonii +
in corymbiform , glomerate or paniculiform , arrays  +, singly  +
Monolopia gracilens +
in corymbiform , glomerate or paniculiform , arrays  +, singly  +
Monolopia lanceolata +
in corymbiform , glomerate or paniculiform , arrays  +, singly  +
Monolopia major +
in corymbiform , glomerate or paniculiform , arrays  +, singly  +
Monolopia stricta +
in corymbiform , glomerate or paniculiform , arrays  +, singly  +
Monoptilon +
singly  +
Monoptilon bellidiforme +
singly  +
Monoptilon bellioides +
singly  +
Mulgedium +
in corymbiform to paniculiform arrays  +, singly  +
Mulgedium pulchellum +
in corymbiform to paniculiform arrays  +, singly  +
Munzothamnus +
singly  +
Munzothamnus blairii +
singly  +
Mycelis +
singly  +
Mycelis muralis +
singly  +
N
Neonesomia +
cluster  +, singly  +
Neonesomia palmeri +
cluster  +, singly  +
Nestotus +
singly  +
Nestotus macleanii +
singly  +
Nestotus stenophyllus +
singly  +
Nicolletia +
singly  +
Nicolletia edwardsii +
singly  +
Nicolletia occidentalis +
singly  +
Nipponanthemum +
singly  +
Nipponanthemum nipponicum +
singly  +
Nothocalaïs +
singly  +
Nothocalaïs alpestris +
singly  +
Nothocalaïs cuspidata +
singly  +
Nothocalaïs nigrescens +
singly  +
Nothocalaïs troximoides +
singly  +
O
Oclemena +
singly  +
Oclemena acuminata +
singly  +
Oclemena nemoralis +
singly  +
Oclemena reticulata +
singly  +
Oclemena ×blakei +
singly  +
Omalotheca +
aggregated  +, singly  +
Omalotheca norvegica +
aggregated  +, singly  +
Omalotheca supina +
aggregated  +, singly  +
Omalotheca sylvatica +
aggregated  +, singly  +
Oncosiphon +
in corymbiform arrays  +, singly  +
Oncosiphon piluliferum +
singly  +
Onopordum +
in corymbiform arrays  +, singly  +
Onopordum acanthium +
in corymbiform arrays  +, singly  +
Onopordum acanthium subsp. acanthium +
in corymbiform arrays  +, singly  +
Onopordum illyricum +
singly  +
Onopordum tauricum +
singly  +
Oreochrysum +
singly  +
Oreochrysum parryi +
singly  +
Oreostemma +
singly  +
Oreostemma alpigenum +
singly  +
Oreostemma alpigenum var. alpigenum +
singly  +
Oreostemma alpigenum var. andersonii +
singly  +
Oreostemma alpigenum var. haydenii +
singly  +
Oreostemma elatum +
singly  +
Oreostemma peirsonii +
singly  +
Orochaenactis +
singly  +
Orochaenactis thysanocarpha +
singly  +
Osmadenia +
singly  +
Osmadenia tenella +
singly  +
Osteospermum +
singly  +
Osteospermum ecklonis +
singly  +
Osteospermum spinescens +
singly  +
Oxytenia +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Oxytenia acerosa +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Oönopsis +
singly  +
Oönopsis engelmannii +
singly  +
Oönopsis foliosa +
singly  +
Oönopsis foliosa var. foliosa +
singly  +
Oönopsis foliosa var. monocephala +
singly  +
Oönopsis multicaulis +
singly  +
Oönopsis wardii +
singly  +
P
Packera +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera anonyma +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera antennariifolia +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera aurea +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera bernardina +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera bolanderi +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera bolanderi var. bolanderi +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera bolanderi var. harfordii +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera breweri +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera cana +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera cardamine +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera castoreus +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera clevelandii +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera contermina +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera crocata +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera cymbalaria +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera cynthioides +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera debilis +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera dimorphophylla +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera dimorphophylla var. dimorphophylla +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera dimorphophylla var. intermedia +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera dimorphophylla var. paysonii +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera eurycephala +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera eurycephala var. eurycephala +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera eurycephala var. lewisrosei +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera fendleri +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera flettii +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera franciscana +
singly  +
Packera ganderi +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera glabella +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera greenei +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera hartiana +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera hesperia +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera hyperborealis +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera indecora +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera ionophylla +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera layneae +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera macounii +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera malmstenii +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera millefolium +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera millelobata +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera multilobata +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera musiniensis +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera neomexicana +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera neomexicana var. mutabilis +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera neomexicana var. neomexicana +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera neomexicana var. toumeyi +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera obovata +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera ogotorukensis +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera pauciflora +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera paupercula +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera plattensis +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera porteri +
singly  +
Packera pseudaurea +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera pseudaurea var. flavula +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera pseudaurea var. pseudaurea +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera pseudaurea var. semicordata +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera quercetorum +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera sanguisorboides +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera schweinitziana +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera spellenbergii +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera streptanthifolia +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera subnuda +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera subnuda var. moresbiensis +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera subnuda var. subnuda +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera tampicana +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera texensis +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera tomentosa +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera tridenticulata +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Packera werneriifolia +
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays  +, singly  +
Palafoxia +
radiant  +
Palafoxia arida +
radiant  +
Palafoxia callosa +
radiant  +
Palafoxia feayi +
radiant  +
Palafoxia hookeriana +
radiant  +
Palafoxia integrifolia +
radiant  +
Palafoxia reverchonii +
radiant  +
Palafoxia riograndensis +
radiant  +
Palafoxia rosea +
radiant  +
Palafoxia sphacelata +
radiant  +
Palafoxia texana +
radiant  +
Parasenecio +
singly  +
Parasenecio auriculatus +
singly  +
Parthenice +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Parthenice mollis +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Parthenium +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Parthenium alpinum +
singly  +
Parthenium argentatum +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Parthenium confertum +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Parthenium hysterophorus +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Parthenium incanum +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Parthenium integrifolium +
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays  +, singly  +
Parthenium ligulatum +
singly  +
Pascalia +
singly  +
Pascalia glauca +
singly  +
Pectis +
in congested to open , cymiform arrays  +, singly  +
Pectis angustifolia +
in congested to open , cymiform arrays  +, singly  +
Pectis angustifolia var. angustifolia +
in congested to open , cymiform arrays  +, singly  +
Pectis angustifolia var. fastigiata +
in congested to open , cymiform arrays  +, singly  +
Pectis angustifolia var. tenella +
in congested to open , cymiform arrays  +, singly  +
Pectis cylindrica +
in congested , cymiform arrays  +, singly  +
Pectis filipes +
in congested to open , cymiform arrays  +, singly  +
Pectis filipes var. subnuda +
in open , cymiform arrays  +, singly  +
Pectis glaucescens +
in diffuse , cymiform arrays  +, singly  +
Pectis humifusa +
in congested , cymiform arrays  +, singly  +
Pectis imberbis +
in open , cymiform arrays  +, singly  +
Pectis linearifolia +
in congested , cymiform arrays  +, singly  +
Pectis linifolia +
in congested to open , cymiform arrays  +, singly  +
Pectis linifolia var. linifolia +
in diffuse , cymiform arrays  +, singly  +
Pectis longipes +
singly  +
Pectis papposa +
in congested to open , cymiform arrays  +, singly  +
Pectis papposa var. grandis +
in congested to open , cymiform arrays  +, singly  +
Pectis papposa var. papposa +
in congested to open , cymiform arrays  +, singly  +
Pectis prostrata +
in congested , cymiform arrays  +, singly  +
Pectis rusbyi +
in open , cymiform arrays  +, singly  +
Pectis ×floridana +
in condensed , cymiform arrays  +, singly  +
Pentachaeta +
singly  +
Pentachaeta alsinoides +
singly  +
Pentachaeta aurea +
singly  +
Pentachaeta bellidiflora +
singly  +
Pentachaeta exilis +
singly  +
Pentachaeta exilis subsp. aeolica +
singly  +
Pentachaeta exilis subsp. exilis +
singly  +
Pentachaeta fragilis +
singly  +
Pentachaeta lyonii +
singly  +
Pentzia +
in loose , corymbiform arrays  +, singly  +
Pentzia incana +
in loose , corymbiform arrays  +, singly  +
Pericallis +
singly  +
Pericallis hybrida +
singly  +
Pericome +
in corymbiform arrays  +, singly  +
Pericome caudata +
in corymbiform arrays  +, singly  +
Perityle +
in corymbiform arrays  +, singly  +
Perityle aglossa +
singly  +
Perityle ajoensis +
singly  +
Perityle ambrosiifolia +
in corymbiform arrays  +, singly  +
Perityle angustifolia +
in loose , corymbiform arrays  +, singly  +
Perityle bisetosa +
singly  +
Perityle bisetosa var. appressa +
singly  +
Perityle bisetosa var. bisetosa +
singly  +
Perityle bisetosa var. scalaris +
singly  +
Perityle cernua +
singly  +
Perityle ciliata +
in corymbiform arrays  +, singly  +
Perityle cinerea +
in corymbiform arrays  +, singly  +
Perityle cochisensis +
singly  +
Perityle congesta +
singly  +
Perityle coronopifolia +
in corymbiform arrays  +, singly  +
Perityle dissecta +
in corymbiform arrays  +, singly  +
Perityle emoryi +
in corymbiform arrays  +, singly  +
Perityle fosteri +
in corymbiform arrays  +, singly  +
Perityle gilensis +
singly  +
Perityle gilensis var. gilensis +
singly  +
Perityle gilensis var. salensis +
singly  +
Perityle gracilis +
singly  +
Perityle huecoensis +
in corymbiform arrays  +, singly  +
Perityle intricata +
in corymbiform arrays  +, singly  +
Perityle inyoensis +
singly  +
Perityle lemmonii +
singly  +
Perityle lindheimeri +
in corymbiform arrays  +, singly  +
Perityle lindheimeri var. halimifolia +
in corymbiform arrays  +, singly  +
Perityle lindheimeri var. lindheimeri +
in corymbiform arrays  +, singly  +
Perityle megalocephala +
singly  +
Perityle megalocephala var. megalocephala +
singly  +
Perityle megalocephala var. oligophylla +
singly  +
Perityle microglossa +
in corymbiform arrays  +, singly  +
Perityle microglossa var. microglossa +
in corymbiform arrays  +, singly  +
Perityle parryi +
singly  +
Perityle quinqueflora +
in corymbiform arrays  +, singly  +
Perityle rupestris +
in corymbiform arrays  +, singly  +
Perityle rupestris var. albiflora +
in corymbiform arrays  +, singly  +
Perityle rupestris var. rupestris +
in corymbiform arrays  +, singly  +
Perityle saxicola +
singly  +
Perityle sect. Laphamia +
in corymbiform arrays  +, singly  +
Perityle sect. Pappothrix +
in corymbiform arrays  +, singly  +
Perityle sect. Perityle +
in corymbiform arrays  +, singly  +
Perityle specuicola +
in corymbiform arrays  +, singly  +
Perityle stansburyi +
in corymbiform arrays  +, singly  +
Perityle staurophylla +
singly  +
Perityle staurophylla var. homoflora +
singly  +
Perityle staurophylla var. staurophylla +
singly  +
Perityle tenella +
singly  +
Perityle vaseyi +
singly  +
Perityle villosa +
singly  +
Perityle vitreomontana +
singly  +
Perityle warnockii +
singly  +
Petasites +
singly  +
Petasites frigidus +
singly  +
Petasites frigidus var. frigidus +
singly  +
Petasites frigidus var. palmatus +
singly  +
Petasites frigidus var. sagittatus +
singly  +
Petasites frigidus var. ×vitifolius +
singly  +
Petradoria +
singly  +
Petradoria pumila +
singly  +
Petradoria pumila var. graminea +
singly  +
Petradoria pumila var. pumila +
singly  +
Peucephyllum +
singly  +
Peucephyllum schottii +
singly  +
Phalacroseris +
singly  +
Phalacroseris bolanderi +
singly  +
Phoebanthus +
singly  +
Phoebanthus grandiflorus +
singly  +
Phoebanthus tenuifolius +
singly  +
Picradeniopsis +
singly  +
Picradeniopsis oppositifolia +
singly  +
Picradeniopsis woodhousei +
singly  +
Picris +
singly  +
Picris hieracioides +
singly  +
Picris rhagadioloides +
singly  +
Picrothamnus +
singly  +
Picrothamnus desertorum +
singly  +
Pinaropappus +
singly  +
Pinaropappus parvus +
singly  +
Pinaropappus roseus +
singly  +
Pityopsis +
singly  +
Pityopsis aspera +
singly  +
Pityopsis aspera var. adenolepis +
singly  +
Pityopsis aspera var. aspera +
singly  +
Pityopsis falcata +
singly  +
Pityopsis flexuosa +
singly  +
Pityopsis graminifolia +
singly  +
Pityopsis graminifolia var. aequilifolia +
singly  +
Pityopsis graminifolia var. graminifolia +
singly  +
Pityopsis graminifolia var. latifolia +
singly  +
Pityopsis graminifolia var. tenuifolia +
singly  +
Pityopsis graminifolia var. tracyi +
singly  +
Pityopsis oligantha +
singly  +
Pityopsis pinifolia +
singly  +
Pityopsis ruthii +
singly  +
Plateilema +
singly  +
Plateilema palmeri +
singly  +
Platyschkuhria +
singly  +
Platyschkuhria integrifolia +
singly  +
Plectocephalus +
in open cymiform arrays  +, radiant  +, singly  +
Plectocephalus americanus +
in open cymiform arrays  +, radiant  +, singly  +
Plectocephalus rothrockii +
in open cymiform arrays  +, radiant  +, singly  +
Pleiacanthus +
in paniculiform arrays  +, singly  +
Pleiacanthus spinosus +
in paniculiform arrays  +, singly  +
Pleurocoronis +
in loose , corymbiform arrays  +, singly  +
Pleurocoronis pluriseta +
in loose , corymbiform arrays  +, singly  +
Pluchea +
singly  +
Pluchea baccharis +
singly  +
Pluchea camphorata +
singly  +
Pluchea carolinensis +
singly  +
Pluchea foetida +
singly  +
Pluchea longifolia +
singly  +
Pluchea odorata +
singly  +
Pluchea odorata var. odorata +
singly  +
Pluchea odorata var. succulenta +
singly  +
Pluchea sagittalis +
singly  +
Pluchea sericea +
singly  +
Pluchea yucatanensis +
singly  +
Polymnia +
aggregated  +
Polymnia canadensis +
aggregated  +
Polymnia cossatotensis +
aggregated  +
Polymnia laevigata +
aggregated  +
Porophyllum +
in loose , more or less corymbiform arrays  +, singly  +
Porophyllum gracile +
in loose , more or less corymbiform arrays  +, singly  +
Porophyllum greggii +
in loose , more or less corymbiform arrays  +, singly  +
Porophyllum pygmaeum +
in loose , more or less corymbiform arrays  +, singly  +
Porophyllum ruderale +
in loose , more or less corymbiform arrays  +, singly  +
Porophyllum ruderale var. macrocephalum +
in loose , more or less corymbiform arrays  +, singly  +
Porophyllum scoparium +
in loose , more or less corymbiform arrays  +, singly  +
Prenanthella +
singly  +
Prenanthella exigua +
singly  +
Prenanthes +
singly  +
Prenanthes alata +
singly  +
Prenanthes alba +
singly  +
Prenanthes altissima +
singly  +
Prenanthes aspera +
singly  +
Prenanthes autumnalis +
singly  +
Prenanthes barbata +
singly  +
Prenanthes boottii +
singly  +
Prenanthes carrii +
singly  +
Prenanthes crepidinea +
singly  +
Prenanthes racemosa +
singly  +
Prenanthes roanensis +
singly  +
Prenanthes sagittata +
singly  +
Prenanthes serpentaria +
singly  +
Prenanthes trifoliolata +
singly  +
Psacalium +
singly  +
Psacalium decompositum +
singly  +
Psathyrotes +
singly  +
Psathyrotes annua +
singly  +
Psathyrotes pilifera +
singly  +
Psathyrotes ramosissima +
singly  +
Psathyrotopsis +
in corymbiform arrays  +, singly  +
Psathyrotopsis scaposa +
in corymbiform arrays  +, singly  +
Pseudelephantopus +
cluster  +
Pseudelephantopus spicatus +
cluster  +
Pseudobahia +
singly  +
Pseudobahia bahiifolia +
singly  +
Pseudobahia heermannii +
singly  +
Pseudobahia peirsonii +
singly  +
Pseudoclappia +
singly  +
Pseudoclappia arenaria +
singly  +
Pseudoclappia watsonii +
singly  +
Pseudognaphalium +
aggregated  +, singly  +
Pseudognaphalium arizonicum +
in terminal glomerules  +, singly  +
Pseudognaphalium austrotexanum +
aggregated  +, singly  +
Pseudognaphalium beneolens +
aggregated  +, singly  +
Pseudognaphalium biolettii +
aggregated  +, singly  +
Pseudognaphalium californicum +
aggregated  +, singly  +
Pseudognaphalium canescens +
aggregated  +, singly  +
Pseudognaphalium helleri +
aggregated  +, singly  +
Pseudognaphalium jaliscense +
aggregated  +, singly  +
Pseudognaphalium leucocephalum +
aggregated  +, singly  +
Pseudognaphalium luteoalbum +
aggregated  +, singly  +
Pseudognaphalium macounii +
aggregated  +, singly  +
Pseudognaphalium micradenium +
aggregated  +, singly  +
Pseudognaphalium microcephalum +
aggregated  +, singly  +
Pseudognaphalium obtusifolium +
aggregated  +, singly  +
Pseudognaphalium pringlei +
aggregated  +, singly  +
Pseudognaphalium ramosissimum +
aggregated  +, singly  +
Pseudognaphalium roseum +
aggregated  +, singly  +
Pseudognaphalium saxicola +
cluster  +
Pseudognaphalium stramineum +
aggregated  +, singly  +
Pseudognaphalium thermale +
aggregated  +, singly  +
Pseudognaphalium viscosum +
aggregated  +, singly  +
Pseudogynoxys +
singly  +
Pseudogynoxys chenopodioides +
singly  +
Psilactis +
singly  +
Psilactis asteroides +
singly  +
Psilactis brevilingulata +
singly  +
Psilactis gentryi +
singly  +
Psilactis heterocarpa +
singly  +
Psilactis tenuis +
singly  +
Psilocarphus +
aggregated  +, singly  +
Psilocarphus brevissimus +
aggregated  +, singly  +
Psilocarphus brevissimus var. brevissimus +
aggregated  +, singly  +
Psilocarphus brevissimus var. multiflorus +
aggregated  +, singly  +
Psilocarphus chilensis +
aggregated  +, singly  +
Psilocarphus elatior +
aggregated  +, singly  +
Psilocarphus oregonus +
aggregated  +, singly  +
Psilocarphus tenellus +
aggregated  +, singly  +
Psilostrophe +
cluster  +
Psilostrophe bakeri +
cluster  +
Psilostrophe cooperi +
singly  +
Psilostrophe gnaphalodes +
cluster  +
Psilostrophe sparsiflora +
cluster  +
Psilostrophe tagetina +
cluster  +
Psilostrophe villosa +
cluster  +
Pterocaulon +
singly  +
Pterocaulon pycnostachyum +
singly  +
Pterocaulon virgatum +
singly  +
Pulicaria +
singly  +
Pulicaria paludosa +
singly  +
Pyrrhopappus +
in loose , corymbiform arrays  +, singly  +
Pyrrhopappus carolinianus +
in loose , corymbiform arrays  +, singly  +
Pyrrhopappus grandiflorus +
singly  +
Pyrrhopappus pauciflorus +
in loose , corymbiform arrays  +, singly  +
Pyrrhopappus rothrockii +
in loose , corymbiform arrays  +, singly  +
Pyrrocoma +
singly  +
Pyrrocoma apargioides +
singly  +
Pyrrocoma carthamoides +
singly  +
Pyrrocoma carthamoides var. carthamoides +
singly  +
Pyrrocoma carthamoides var. cusickii +
singly  +
Pyrrocoma carthamoides var. subsquarrosa +
singly  +
Pyrrocoma clementis +
singly  +
Pyrrocoma clementis var. clementis +
singly  +
Pyrrocoma clementis var. villosa +
singly  +
Pyrrocoma crocea +
singly  +
Pyrrocoma crocea var. crocea +
singly  +
Pyrrocoma crocea var. genuflexa +
singly  +
Pyrrocoma hirta +
singly  +
Pyrrocoma hirta var. hirta +
singly  +
Pyrrocoma hirta var. lanulosa +
singly  +
Pyrrocoma hirta var. sonchifolia +
singly  +
Pyrrocoma insecticruris +
singly  +
Pyrrocoma integrifolia +
singly  +
Pyrrocoma lanceolata +
singly  +
Pyrrocoma lanceolata var. lanceolata +
singly  +
Pyrrocoma lanceolata var. subviscosa +
singly  +
Pyrrocoma liatriformis +
singly  +
Pyrrocoma linearis +
singly  +
Pyrrocoma lucida +
singly  +
Pyrrocoma racemosa +
singly  +
Pyrrocoma racemosa var. congesta +
crowded  +
Pyrrocoma racemosa var. paniculata +
crowded  +
Pyrrocoma racemosa var. pinetorum +
singly  +
Pyrrocoma racemosa var. racemosa +
singly  +
Pyrrocoma racemosa var. sessiliflora +
crowded  +
Pyrrocoma radiata +
singly  +
Pyrrocoma uniflora +
singly  +
Pyrrocoma uniflora var. gossypina +
singly  +
Pyrrocoma uniflora var. uniflora +
singly  +
R
Rafinesquia +
in open , paniculiform arrays  +, singly  +
Rafinesquia californica +
in open , paniculiform arrays  +, singly  +
Rafinesquia neomexicana +
in open , paniculiform arrays  +, singly  +
Raillardella +
rarely  +, singly  +
Raillardella argentea +
rarely  +, singly  +
Raillardella pringlei +
rarely  +, singly  +
Raillardella scaposa +
rarely  +, singly  +
Rainiera +
singly  +
Rainiera stricta +
singly  +
Ratibida +
in loose , corymbiform arrays  +, singly  +
Ratibida columnifera +
in loose , corymbiform arrays  +, singly  +
Ratibida peduncularis +
in loose , corymbiform arrays  +, singly  +
Ratibida peduncularis var. peduncularis +
in loose , corymbiform arrays  +, singly  +
Ratibida peduncularis var. picta +
in loose , corymbiform arrays  +, singly  +
Ratibida pinnata +
in loose , corymbiform arrays  +, singly  +
Ratibida tagetes +
in loose , corymbiform arrays  +, singly  +
Rayjacksonia +
singly  +
Rayjacksonia annua +
singly  +
Rayjacksonia aurea +
singly  +
Rayjacksonia phyllocephala +
singly  +
Rhagadiolus +
singly  +
Rhagadiolus stellatus +
singly  +
Rigiopappus +
singly  +
Rigiopappus leptocladus +
singly  +
Roldana +
singly  +
Roldana hartwegii +
singly  +
Rudbeckia +
in more or less corymbiform arrays  +, singly  +
Rudbeckia alpicola +
singly  +
Rudbeckia amplexicaulis +
singly  +
Rudbeckia auriculata +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia californica +
singly  +
Rudbeckia fulgida +
singly  +
Rudbeckia fulgida var. deamii +
singly  +
Rudbeckia fulgida var. fulgida +
singly  +
Rudbeckia fulgida var. palustris +
singly  +
Rudbeckia fulgida var. spathulata +
singly  +
Rudbeckia fulgida var. speciosa +
singly  +
Rudbeckia fulgida var. sullivantii +
singly  +
Rudbeckia fulgida var. umbrosa +
singly  +
Rudbeckia glaucescens +
singly  +
Rudbeckia graminifolia +
singly  +
Rudbeckia grandiflora +
singly  +
Rudbeckia grandiflora var. alismifolia +
singly  +
Rudbeckia grandiflora var. grandiflora +
singly  +
Rudbeckia heliopsidis +
singly  +
Rudbeckia hirta +
singly  +
Rudbeckia hirta var. angustifolia +
singly  +
Rudbeckia hirta var. floridana +
singly  +
Rudbeckia hirta var. hirta +
singly  +
Rudbeckia hirta var. pulcherrima +
singly  +
Rudbeckia klamathensis +
singly  +
Rudbeckia laciniata +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia laciniata var. ampla +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia laciniata var. bipinnata +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia laciniata var. heterophylla +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia laciniata var. humilis +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia laciniata var. laciniata +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia maxima +
singly  +
Rudbeckia missouriensis +
singly  +
Rudbeckia mohrii +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia mollis +
singly  +
Rudbeckia montana +
in more or less corymbiform arrays  +, singly  +
Rudbeckia nitida +
in more or less corymbiform arrays  +, singly  +
Rudbeckia occidentalis +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia scabrifolia +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia sect. Dracopis +
singly  +
Rudbeckia sect. Macrocline +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia sect. Rudbeckia +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia subtomentosa +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia texana +
singly  +
Rudbeckia triloba +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia triloba var. pinnatiloba +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia triloba var. rupestris +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rudbeckia triloba var. triloba +
in loose , corymbiform to paniculiform arrays  +, singly  +
Rugelia +
singly  +
Rugelia nudicaulis +
singly  +
S
Sachsia +
singly  +
Sachsia polycephala +
singly  +
Santolina +
singly  +
Santolina chamaecyparissus +
singly  +
Sanvitalia +
singly  +
Sanvitalia abertii +
singly  +
Sanvitalia ocymoides +
singly  +
Sanvitalia procumbens +
singly  +
Sartwellia +
aggregated  +
Sartwellia flaveriae +
aggregated  +
Saussurea +
in corymbiform arrays  +, singly  +
Saussurea amara +
in corymbiform arrays  +, singly  +
Saussurea amara var. glomerata +
in corymbiform arrays  +, singly  +
Saussurea americana +
in corymbiform arrays  +, singly  +
Saussurea angustifolia +
in corymbiform arrays  +, singly  +
Saussurea angustifolia var. angustifolia +
crowded  +
Saussurea angustifolia var. viscida +
crowded  +
Saussurea angustifolia var. yukonensis +
crowded  +
Saussurea nuda +
in corymbiform arrays  +, singly  +
Saussurea triangulata +
in corymbiform arrays  +, singly  +
Saussurea weberi +
in corymbiform arrays  +, singly  +
Scabrethia +
singly  +
Scabrethia scabra +
singly  +
Scabrethia scabra subsp. attenuata +
singly  +
Scabrethia scabra subsp. canescens +
singly  +
Scabrethia scabra subsp. scabra +
singly  +
Schkuhria +
radiant  +, singly  +
Schkuhria multiflora +
radiant  +, singly  +
Schkuhria pinnata +
radiant  +, singly  +
Sclerocarpus +
singly  +
Sclerocarpus uniserialis +
singly  +
Sclerolepis +
singly  +
Sclerolepis uniflora +
singly  +
Scolymus +
in more or less spiciform arrays  +, singly  +
Scolymus hispanicus +
in more or less spiciform arrays  +, singly  +
Scolymus maculatus +
in more or less spiciform arrays  +, singly  +
Scorzonera +
in loose , corymbiform arrays  +, singly  +
Scorzonera hispanica +
in loose , corymbiform arrays  +, singly  +
Scorzonera laciniata +
in loose , corymbiform arrays  +, singly  +
Senecio +
singly  +
Senecio actinella +
singly  +
Senecio amplectens +
singly  +
Senecio amplectens var. amplectens +
singly  +
Senecio amplectens var. holmii +
singly  +
Senecio ampullaceus +
singly  +
Senecio aphanactis +
singly  +
Senecio arizonicus +
singly  +
Senecio aronicoides +
singly  +
Senecio astephanus +
singly  +
Senecio atratus +
singly  +
Senecio bigelovii +
singly  +
Senecio bigelovii var. bigelovii +
singly  +
Senecio bigelovii var. hallii +
singly  +
Senecio blochmaniae +
singly  +
Senecio californicus +
singly  +
Senecio cannabifolius +
singly  +
Senecio clarkianus +
singly  +
Senecio crassulus +
singly  +
Senecio elegans +
singly  +
Senecio elmeri +
singly  +
Senecio eremophilus +
singly  +
Senecio eremophilus var. eremophilus +
singly  +
Senecio eremophilus var. kingii +
singly  +
Senecio eremophilus var. macdougalii +
singly  +
Senecio ertterae +
singly  +
Senecio erucifolius +
singly  +
Senecio flaccidus +
singly  +
Senecio flaccidus var. douglasii +
singly  +
Senecio flaccidus var. flaccidus +
singly  +
Senecio flaccidus var. monoensis +
singly  +
Senecio fremontii +
singly  +
Senecio fremontii var. blitoides +
singly  +
Senecio fremontii var. fremontii +
singly  +
Senecio fremontii var. inexpectatus +
singly  +
Senecio fremontii var. occidentalis +
singly  +
Senecio hydrophiloides +
singly  +
Senecio hydrophilus +
singly  +
Senecio integerrimus +
singly  +
Senecio integerrimus var. exaltatus +
singly  +
Senecio integerrimus var. integerrimus +
singly  +
Senecio integerrimus var. major +
singly  +
Senecio integerrimus var. ochroleucus +
singly  +
Senecio integerrimus var. scribneri +
singly  +
Senecio jacobaea +
singly  +
Senecio lemmonii +
singly  +
Senecio lugens +
singly  +
Senecio lyonii +
singly  +
Senecio megacephalus +
singly  +
Senecio mohavensis +
singly  +
Senecio multidentatus +
singly  +
Senecio multidentatus var. huachucanus +
singly  +
Senecio neowebsteri +
singly  +
Senecio parryi +
singly  +
Senecio pattersonensis +
singly  +
Senecio pseudoarnica +
singly  +
Senecio pudicus +
singly  +
Senecio quaylei +
cluster  +
Senecio rapifolius +
singly  +
Senecio riddellii +
singly  +
Senecio sacramentanus +
singly  +
Senecio scorzonella +
singly  +
Senecio serra +
singly  +
Senecio serra var. admirabilis +
singly  +
Senecio serra var. serra +
singly  +
Senecio sheldonensis +
singly  +
Senecio soldanella +
singly  +
Senecio spartioides +
singly  +
Senecio sphaerocephalus +
singly  +
Senecio spribillei +
singly  +
Senecio squalidus +
singly  +
Senecio sylvaticus +
singly  +
Senecio taraxacoides +
singly  +
Senecio triangularis +
singly  +
Senecio viscosus +
singly  +
Senecio vulgaris +
singly  +
Senecio warnockii +
singly  +
Senecio wootonii +
singly  +
Sericocarpus +
singly  +
Sericocarpus asteroides +
singly  +
Sericocarpus linifolius +
singly  +
Sericocarpus oregonensis +
singly  +
Sericocarpus oregonensis subsp. californicus +
singly  +
Sericocarpus oregonensis subsp. oregonensis +
singly  +
Sericocarpus rigidus +
singly  +
Sericocarpus tortifolius +
singly  +
Shinnersia +
singly  +
Shinnersia rivularis +
singly  +
Shinnersoseris +
singly  +
Shinnersoseris rostrata +
singly  +
Silphium +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium albiflorum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium asteriscus +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium asteriscus var. asteriscus +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium asteriscus var. dentatum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium asteriscus var. latifolium +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium asteriscus var. simpsonii +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium asteriscus var. trifoliatum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium brachiatum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium compositum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium glutinosum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium integrifolium +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium integrifolium var. integrifolium +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium integrifolium var. laeve +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium laciniatum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium mohrii +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium perfoliatum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium perfoliatum var. connatum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium perfoliatum var. perfoliatum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium radula +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium radula var. gracile +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium radula var. radula +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium terebinthinaceum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium terebinthinaceum var. pinnatifidum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium terebinthinaceum var. terebinthinaceum +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silphium wasiotense +
in cymiform , corymbiform , paniculiform , racemiform or spiciform , arrays  +, singly  +
Silybum +
singly  +
Silybum marianum +
singly  +
Simsia +
in 2s or 3s , or in tight  +, singly  +
Simsia calva +
singly  +
Simsia lagasceiformis +
in 2s or 3s , or in tight  +, singly  +
Sinosenecio +
singly  +
Sinosenecio newcombei +
singly  +
Smallanthus +
singly  +
Smallanthus uvedalia +
singly  +
Solidago +
singly  +
Solidago (sect. Solidago) ser. Argutae +
singly  +
Solidago (sect. Solidago) ser. Auriculatae +
singly  +
Solidago (sect. Solidago) ser. Brachychaeta +
singly  +
Solidago (sect. Solidago) ser. Drummondiani +
singly  +
Solidago (sect. Solidago) ser. Odorae +
singly  +
Solidago (sect. Solidago) ser. Venosae +
singly  +
Solidago albopilosa +
cluster  +
Solidago altiplanities +
singly  +
Solidago altissima +
singly  +
Solidago altissima subsp. altissima +
singly  +
Solidago altissima subsp. gilvocanescens +
singly  +
Solidago arenicola +
singly  +
Solidago arguta +
singly  +
Solidago arguta subsp. arguta +
singly  +
Solidago arguta subsp. caroliniana +
singly  +
Solidago arguta var. arguta +
singly  +
Solidago arguta var. boottii +
singly  +
Solidago arguta var. caroliniana +
singly  +
Solidago arguta var. harrisii +
singly  +
Solidago auriculata +
singly  +
Solidago bicolor +
cluster  +
Solidago brachyphylla +
singly  +
Solidago buckleyi +
singly  +
Solidago caesia +
singly  +
Solidago caesia var. caesia +
singly  +
Solidago caesia var. zedia +
singly  +
Solidago canadensis +
singly  +
Solidago canadensis var. canadensis +
singly  +
Solidago canadensis var. hargeri +
singly  +
Solidago confinis +
singly  +
Solidago curtisii +
singly  +
Solidago curtisii var. curtisii +
singly  +
Solidago curtisii var. flaccidifolia +
singly  +
Solidago delicatula +
singly  +
Solidago drummondii +
singly  +
Solidago elongata +
singly  +
Solidago erecta +
singly  +
Solidago faucibus +
singly  +
Solidago fistulosa +
singly  +
Solidago flexicaulis +
cluster  +
Solidago gattingeri +
singly  +
Solidago gigantea +
singly  +
Solidago glomerata +
cluster  +
Solidago guiradonis +
singly  +
Solidago hispida +
cluster  +
Solidago houghtonii +
singly  +
Solidago juliae +
singly  +
Solidago juncea +
singly  +
Solidago kralii +
singly  +
Solidago lancifolia +
singly  +
Solidago latissimifolia +
singly  +
Solidago leavenworthii +
singly  +
Solidago leiocarpa +
singly  +
Solidago lepida +
singly  +
Solidago lepida subsp. fallax +
singly  +
Solidago lepida subsp. lepida +
singly  +
Solidago lepida var. lepida +
singly  +
Solidago lepida var. salebrosa +
singly  +
Solidago ludoviciana +
singly  +
Solidago macrophylla +
singly  +
Solidago missouriensis +
singly  +
Solidago mollis +
singly  +
Solidago multiradiata +
singly  +
Solidago nana +
singly  +
Solidago nemoralis +
singly  +
Solidago nemoralis subsp. decemflora +
singly  +
Solidago nemoralis subsp. nemoralis +
singly  +
Solidago nitida +
singly  +
Solidago odora +
singly  +
Solidago odora subsp. chapmanii +
singly  +
Solidago odora subsp. odora +
singly  +
Solidago ohioensis +
singly  +
Solidago ouachitensis +
singly  +
Solidago patula +
singly  +
Solidago patula subsp. patula +
singly  +
Solidago patula subsp. strictula +
singly  +
Solidago petiolaris +
singly  +
Solidago pinetorum +
singly  +
Solidago plumosa +
singly  +
Solidago ptarmicoides +
singly  +
Solidago puberula +
cluster  +
Solidago puberula subsp. puberula +
cluster  +
Solidago puberula subsp. pulverulenta +
cluster  +
Solidago pulchra +
singly  +
Solidago radula +
singly  +
Solidago riddellii +
singly  +
Solidago rigida +
singly  +
Solidago rigida subsp. glabrata +
singly  +
Solidago rigida subsp. humilis +
singly  +
Solidago rigida subsp. rigida +
singly  +
Solidago roanensis +
singly  +
Solidago rugosa +
singly  +
Solidago rugosa subsp. aspera +
singly  +
Solidago rugosa subsp. rugosa +
singly  +
Solidago rugosa var. aspera +
singly  +
Solidago rugosa var. celtidifolia +
singly  +
Solidago rugosa var. rugosa +
singly  +
Solidago rugosa var. sphagnophila +
singly  +
Solidago rupestris +
singly  +
Solidago sciaphila +
singly  +
Solidago sect. Ptarmicoidei +
singly  +
Solidago sect. Solidago +
singly  +
Solidago sempervirens +
singly  +
Solidago sempervirens subsp. mexicana +
singly  +
Solidago sempervirens subsp. sempervirens +
singly  +
Solidago shortii +
singly  +
Solidago simplex +
singly  +
Solidago simplex subsp. randii +
singly  +
Solidago simplex subsp. simplex +
singly  +
Solidago simplex var. chlorolepis +
singly  +
Solidago simplex var. gillmanii +
singly  +
Solidago simplex var. monticola +
singly  +
Solidago simplex var. nana +
singly  +
Solidago simplex var. ontarioensis +
singly  +
Solidago simplex var. racemosa +
singly  +
Solidago simplex var. simplex +
singly  +
Solidago spathulata +
cluster  +
Solidago speciosa +
singly  +
Solidago speciosa subsp. pallida +
singly  +
Solidago speciosa subsp. speciosa +
singly  +
Solidago speciosa var. rigidiuscula +
singly  +
Solidago speciosa var. speciosa +
singly  +
Solidago spectabilis +
singly  +
Solidago sphacelata +
crowded  +
Solidago spithamaea +
singly  +
Solidago squarrosa +
singly  +
Solidago stricta +
singly  +
Solidago stricta subsp. gracillima +
singly  +
Solidago stricta subsp. stricta +
singly  +
Solidago subsect. Argutae +
singly  +
Solidago subsect. Glomeruliflorae +
singly  +
Solidago subsect. Humiles +
singly  +
Solidago subsect. Junceae +
singly  +
Solidago subsect. Maritimae +
singly  +
Solidago subsect. Multiradiatae +
singly  +
Solidago subsect. Nemorales +
singly  +
Solidago subsect. Squarrosae +
singly  +
Solidago subsect. Thyrsiflorae +
singly  +
Solidago subsect. Triplinerviae +
singly  +
Solidago subsect. Venosae +
singly  +
Solidago tarda +
singly  +
Solidago tortifolia +
singly  +
Solidago uliginosa +
singly  +
Solidago ulmifolia +
singly  +
Solidago ulmifolia var. palmeri +
singly  +
Solidago ulmifolia var. ulmifolia +
singly  +
Solidago velutina +
singly  +
Solidago velutina subsp. californica +
singly  +
Solidago velutina subsp. sparsiflora +
singly  +
Solidago verna +
singly  +
Solidago villosicarpa +
singly  +
Solidago wrightii +
singly  +
Soliva +
singly  +
Soliva anthemifolia +
scattered  +
Soliva sessilis +
scattered  +
Soliva stolonifera +
scattered  +
Sonchus +
singly  +
Sonchus arvensis +
singly  +
Sonchus arvensis subsp. arvensis +
singly  +
Sonchus arvensis subsp. uliginosus +
singly  +
Sonchus asper +
singly  +
Sonchus oleraceus +
singly  +
Sonchus palustris +
singly  +
Sonchus tenerrimus +
singly  +
Sparganiaceae +
congested  +, remote  +
Sparganium +
congested  +, remote  +
Sparganium americanum +
contiguous  +, not contiguous  +
Sparganium androcladum +
not contiguous  +
Sparganium angustifolium +
contiguous  +, not contiguous  +
Sparganium emersum +
contiguous  +, not  +
Sparganium eurycarpum +
not contiguous  +
Sparganium fluctuans +
contiguous  +, nearly  +, not  +, …
Sparganium glomeratum +
contiguous  +, not  +
Sparganium hyperboreum +
contiguous  +, not  +
Sparganium natans +
not contiguous  +
Sphaeromeria +
singly  +
Sphaeromeria argentea +
singly  +
Sphaeromeria cana +
singly  +
Sphaeromeria capitata +
singly  +
Sphaeromeria compacta +
singly  +
Sphaeromeria diversifolia +
singly  +
Sphaeromeria potentilloides +
singly  +
Sphaeromeria potentilloides var. nitrophila +
singly  +
Sphaeromeria potentilloides var. potentilloides +
singly  +
Sphaeromeria ruthiae +
singly  +
Sphaeromeria simplex +
singly  +
Sphagneticola +
singly  +
Sphagneticola trilobata +
singly  +
Stebbinsoseris +
singly  +
Stebbinsoseris decipiens +
singly  +
Stebbinsoseris heterocarpa +
singly  +
Stenotus +
singly  +
Stenotus acaulis +
singly  +
Stenotus armerioides +
singly  +
Stenotus armerioides var. armerioides +
singly  +
Stenotus armerioides var. gramineus +
singly  +
Stenotus lanuginosus +
singly  +
Stenotus lanuginosus var. andersonii +
singly  +
Stenotus lanuginosus var. lanuginosus +
singly  +
Stephanomeria +
clustered  +, or  +
Stephanomeria cichoriacea +
clustered  +, or  +
Stephanomeria diegensis +
clustered  +, or  +
Stephanomeria elata +
clustered  +, or  +
Stephanomeria exigua +
clustered  +, or  +
Stephanomeria exigua subsp. carotifera +
clustered  +, or  +
Stephanomeria exigua subsp. coronaria +
clustered  +, or  +
Stephanomeria exigua subsp. deanei +
clustered  +, or  +
Stephanomeria exigua subsp. exigua +
clustered  +, or  +
Stephanomeria exigua subsp. macrocarpa +
clustered  +, or  +
Stephanomeria fluminea +
clustered  +, or  +
Stephanomeria lactucina +
clustered  +, or  +
Stephanomeria malheurensis +
clustered  +, or  +
Stephanomeria paniculata +
singly  +
Stephanomeria parryi +
clustered  +, or  +
Stephanomeria pauciflora +
clustered  +, or  +
Stephanomeria runcinata +
singly  +
Stephanomeria tenuifolia +
singly  +
Stephanomeria thurberi +
singly  +
Stephanomeria virgata +
clustered  +, or  +
Stephanomeria virgata subsp. pleurocarpa +
clustered  +, or  +
Stephanomeria virgata subsp. virgata +
clustered  +, or  +
Stevia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Stevia lemmonii +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Stevia micrantha +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Stevia ovata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Stevia ovata var. texana +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Stevia plummerae +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Stevia plummerae var. plummerae +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Stevia salicifolia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Stevia salicifolia var. salicifolia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Stevia serrata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Stevia viscida +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Stokesia +
in loose , more or less corymbiform arrays  +, pseudo-radiant  +, singly  +
Stokesia laevis +
in loose , more or less corymbiform arrays  +, pseudo-radiant  +, singly  +
Stylocline +
aggregated  +, singly  +
Stylocline citroleum +
aggregated  +, singly  +
Stylocline gnaphaloides +
aggregated  +, singly  +
Stylocline intertexta +
aggregated  +, singly  +
Stylocline masonii +
aggregated  +, singly  +
Stylocline micropoides +
aggregated  +, singly  +
Stylocline psilocarphoides +
aggregated  +, singly  +
Stylocline sonorensis +
aggregated  +, singly  +
Symphyotrichum +
singly  +
Symphyotrichum adnatum +
singly  +
Symphyotrichum anomalum +
singly  +
Symphyotrichum anticostense +
singly  +
Symphyotrichum ascendens +
singly  +
Symphyotrichum boreale +
in open , often lax , racemiform or paniculiform arrays  +, singly  +
Symphyotrichum bracteolatum +
singly  +
Symphyotrichum campestre +
in paniculiform arrays  +, singly  +
Symphyotrichum chapmanii +
singly  +
Symphyotrichum chilense +
singly  +
Symphyotrichum ciliatum +
crowding  +
Symphyotrichum ciliolatum +
singly  +
Symphyotrichum concolor +
singly  +
Symphyotrichum concolor var. concolor +
singly  +
Symphyotrichum concolor var. devestitum +
singly  +
Symphyotrichum cordifolium +
singly  +
Symphyotrichum cusickii +
in often congested , paniculiform arrays  +, singly  +
Symphyotrichum defoliatum +
singly  +
Symphyotrichum depauperatum +
singly  +
Symphyotrichum drummondii +
singly  +
Symphyotrichum drummondii var. drummondii +
singly  +
Symphyotrichum drummondii var. texanum +
singly  +
Symphyotrichum dumosum +
singly  +
Symphyotrichum elliottii +
singly  +
Symphyotrichum ericoides +
singly  +
Symphyotrichum ericoides var. ericoides +
singly  +
Symphyotrichum ericoides var. pansum +
singly  +
Symphyotrichum eulae +
singly  +
Symphyotrichum falcatum +
singly  +
Symphyotrichum falcatum var. commutatum +
singly  +
Symphyotrichum falcatum var. falcatum +
singly  +
Symphyotrichum fendleri +
singly  +
Symphyotrichum firmum +
singly  +
Symphyotrichum foliaceum +
in paniculiform arrays  +, singly  +
Symphyotrichum foliaceum var. apricum +
singly  +
Symphyotrichum foliaceum var. canbyi +
in paniculiform arrays  +, singly  +
Symphyotrichum foliaceum var. foliaceum +
in paniculiform arrays  +, singly  +
Symphyotrichum foliaceum var. parryi +
in paniculiform arrays  +, singly  +
Symphyotrichum fontinale +
singly  +
Symphyotrichum frondosum +
singly  +
Symphyotrichum georgianum +
singly  +
Symphyotrichum grandiflorum +
singly  +
Symphyotrichum greatae +
singly  +
Symphyotrichum hallii +
singly  +
Symphyotrichum hendersonii +
singly  +
Symphyotrichum jessicae +
singly  +
Symphyotrichum laeve +
singly  +
Symphyotrichum laeve var. concinnum +
singly  +
Symphyotrichum laeve var. geyeri +
singly  +
Symphyotrichum laeve var. laeve +
singly  +
Symphyotrichum laeve var. purpuratum +
singly  +
Symphyotrichum lanceolatum +
singly  +
Symphyotrichum lanceolatum var. hesperium +
singly  +
Symphyotrichum lanceolatum var. hirsuticaule +
singly  +
Symphyotrichum lanceolatum var. interior +
singly  +
Symphyotrichum lanceolatum var. lanceolatum +
singly  +
Symphyotrichum lanceolatum var. latifolium +
singly  +
Symphyotrichum lateriflorum +
singly  +
Symphyotrichum laurentianum +
singly  +
Symphyotrichum lentum +
singly  +
Symphyotrichum molle +
singly  +
Symphyotrichum nahanniense +
in open , paniculiform arrays  +, singly  +
Symphyotrichum novae-angliae +
singly  +
Symphyotrichum novi-belgii +
singly  +
Symphyotrichum novi-belgii var. crenifolium +
singly  +
Symphyotrichum novi-belgii var. elodes +
singly  +
Symphyotrichum novi-belgii var. novibelgii +
singly  +
Symphyotrichum novi-belgii var. villicaule +
singly  +
Symphyotrichum oblongifolium +
singly  +
Symphyotrichum ontarionis +
singly  +
Symphyotrichum ontarionis var. glabratum +
singly  +
Symphyotrichum ontarionis var. ontarionis +
singly  +
Symphyotrichum oolentangiense +
singly  +
Symphyotrichum parviceps +
crowded  +
Symphyotrichum patens +
singly  +
Symphyotrichum patens var. gracile +
singly  +
Symphyotrichum patens var. patens +
singly  +
Symphyotrichum patens var. patentissimum +
singly  +
Symphyotrichum phlogifolium +
singly  +
Symphyotrichum pilosum +
singly  +
Symphyotrichum pilosum var. pilosum +
singly  +
Symphyotrichum pilosum var. pringlei +
singly  +
Symphyotrichum plumosum +
singly  +
Symphyotrichum porteri +
singly  +
Symphyotrichum potosinum +
singly  +
Symphyotrichum praealtum +
singly  +
Symphyotrichum pratense +
singly  +
Symphyotrichum prenanthoides +
singly  +
Symphyotrichum priceae +
singly  +
Symphyotrichum puniceum +
singly  +
Symphyotrichum puniceum var. puniceum +
singly  +
Symphyotrichum puniceum var. scabricaule +
singly  +
Symphyotrichum pygmaeum +
singly  +
Symphyotrichum racemosum +
singly  +
Symphyotrichum retroflexum +
singly  +
Symphyotrichum rhiannon +
singly  +
Symphyotrichum robynsianum +
singly  +
Symphyotrichum sect. Conyzopsis +
singly  +
Symphyotrichum sect. Occidentales +
singly  +
Symphyotrichum sect. Symphyotrichum +
singly  +
Symphyotrichum sericeum +
singly  +
Symphyotrichum shortii +
divaricate  +
Symphyotrichum simmondsii +
singly  +
Symphyotrichum spathulatum +
singly  +
Symphyotrichum spathulatum var. intermedium +
singly  +
Symphyotrichum spathulatum var. spathulatum +
singly  +
Symphyotrichum spathulatum var. yosemitanum +
singly  +
Symphyotrichum subg. Ascendentes +
singly  +
Symphyotrichum subg. Astropolium +
singly  +
Symphyotrichum subg. Chapmaniani +
singly  +
Symphyotrichum subg. Symphyotrichum +
singly  +
Symphyotrichum subg. Virgulus +
singly  +
Symphyotrichum subspicatum +
singly  +
Symphyotrichum subulatum +
singly  +
Symphyotrichum subulatum var. elongatum +
singly  +
Symphyotrichum subulatum var. ligulatum +
singly  +
Symphyotrichum subulatum var. parviflorum +
singly  +
Symphyotrichum subulatum var. squamatum +
singly  +
Symphyotrichum subulatum var. subulatum +
singly  +
Symphyotrichum tenuifolium +
singly  +
Symphyotrichum tenuifolium var. aphyllum +
singly  +
Symphyotrichum tenuifolium var. tenuifolium +
singly  +
Symphyotrichum tradescantii +
singly  +
Symphyotrichum turbinellum +
singly  +
Symphyotrichum undulatum +
divaricate  +
Symphyotrichum urophyllum +
singly  +
Symphyotrichum walteri +
singly  +
Symphyotrichum welshii +
singly  +
Symphyotrichum yukonense +
singly  +
Symphyotrichum ×amethystinum +
singly  +
Synedrella +
singly  +
Synedrella nodiflora +
singly  +
Syntrichopappus +
in loose , corymbiform arrays  +, singly  +
Syntrichopappus fremontii +
in loose , corymbiform arrays  +, singly  +
Syntrichopappus lemmonii +
in loose , corymbiform arrays  +, singly  +
T
Tagetes +
in more or less corymbiform arrays  +, singly  +
Tagetes erecta +
singly  +
Tagetes lemmonii +
in more or less corymbiform arrays  +, singly  +
Tagetes micrantha +
singly  +
Tagetes minuta +
in more or less corymbiform arrays  +, singly  +
Tamaulipa +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Tamaulipa azurea +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Tanacetum +
singly  +
Tanacetum balsamita +
singly  +
Tanacetum bipinnatum +
singly  +
Tanacetum parthenium +
singly  +
Tanacetum vulgare +
singly  +
Taraxacum +
singly  +
Taraxacum alaskanum +
singly  +
Taraxacum californicum +
singly  +
Taraxacum carneocoloratum +
singly  +
Taraxacum ceratophorum +
singly  +
Taraxacum erythrospermum +
singly  +
Taraxacum holmenianum +
singly  +
Taraxacum hyparcticum +
singly  +
Taraxacum lapponicum +
singly  +
Taraxacum latilobum +
singly  +
Taraxacum laurentianum +
singly  +
Taraxacum officinale +
singly  +
Taraxacum palustre +
singly  +
Taraxacum phymatocarpum +
singly  +
Taraxacum scopulorum +
singly  +
Taraxacum trigonolobum +
singly  +
Tephroseris +
singly  +
Tephroseris frigida +
singly  +
Tephroseris kjellmanii +
singly  +
Tephroseris lindstroemii +
singly  +
Tephroseris palustris +
singly  +
Tephroseris tundricola +
singly  +
Tephroseris yukonensis +
singly  +
Tetradymia +
singly  +
Tetradymia argyraea +
singly  +
Tetradymia axillaris +
singly  +
Tetradymia axillaris var. axillaris +
singly  +
Tetradymia axillaris var. longispina +
singly  +
Tetradymia canescens +
singly  +
Tetradymia comosa +
singly  +
Tetradymia filifolia +
singly  +
Tetradymia glabrata +
singly  +
Tetradymia nuttallii +
singly  +
Tetradymia spinosa +
singly  +
Tetradymia stenolepis +
singly  +
Tetradymia tetrameres +
singly  +
Tetragonotheca +
in loose , corymbiform arrays  +, singly  +
Tetragonotheca helianthoides +
in loose , corymbiform arrays  +, singly  +
Tetragonotheca ludoviciana +
in loose , corymbiform arrays  +, singly  +
Tetragonotheca repanda +
in loose , corymbiform arrays  +, singly  +
Tetragonotheca texana +
in loose , corymbiform arrays  +, singly  +
Tetraneuris +
in paniculiform to corymbiform or fastigiate arrays  +, singly  +
Tetraneuris acaulis +
singly  +
Tetraneuris acaulis var. acaulis +
singly  +
Tetraneuris acaulis var. arizonica +
singly  +
Tetraneuris acaulis var. caespitosa +
singly  +
Tetraneuris acaulis var. epunctata +
singly  +
Tetraneuris argentea +
in paniculiform to corymbiform arrays  +, singly  +
Tetraneuris herbacea +
singly  +
Tetraneuris ivesiana +
in paniculiform to corymbiform arrays  +, singly  +
Tetraneuris linearifolia +
in corymbiform arrays  +, singly  +
Tetraneuris linearifolia var. arenicola +
in corymbiform arrays  +, singly  +
Tetraneuris linearifolia var. linearifolia +
in corymbiform arrays  +, singly  +
Tetraneuris scaposa +
in fastigiate arrays  +, singly  +
Tetraneuris scaposa var. argyrocaulon +
in fastigiate arrays  +, singly  +
Tetraneuris scaposa var. scaposa +
in fastigiate arrays  +, singly  +
Tetraneuris torreyana +
singly  +
Tetraneuris turneri +
singly  +
Tetraneuris verdiensis +
singly  +
Thelesperma +
in loose , corymbiform arrays  +, singly  +
Thelesperma ambiguum +
in loose , corymbiform arrays  +, singly  +
Thelesperma burridgeanum +
in loose , corymbiform arrays  +, singly  +
Thelesperma filifolium +
in loose , corymbiform arrays  +, singly  +
Thelesperma flavodiscum +
in loose , corymbiform arrays  +, singly  +
Thelesperma longipes +
in loose , corymbiform arrays  +, singly  +
Thelesperma megapotamicum +
in loose , corymbiform arrays  +, singly  +
Thelesperma nuecense +
in loose , corymbiform arrays  +, singly  +
Thelesperma simplicifolium +
in loose , corymbiform arrays  +, singly  +
Thelesperma subnudum +
in loose , corymbiform arrays  +, singly  +
Thurovia +
singly  +
Thurovia triflora +
singly  +
Thymophylla +
radiant  +, singly  +
Thymophylla acerosa +
radiant  +, singly  +
Thymophylla aurea +
radiant  +, singly  +
Thymophylla aurea var. aurea +
radiant  +, singly  +
Thymophylla aurea var. polychaeta +
radiant  +, singly  +
Thymophylla concinna +
radiant  +, singly  +
Thymophylla micropoides +
radiant  +, singly  +
Thymophylla pentachaeta +
radiant  +, singly  +
Thymophylla pentachaeta var. belenidium +
radiant  +, singly  +
Thymophylla pentachaeta var. hartwegii +
radiant  +, singly  +
Thymophylla pentachaeta var. pentachaeta +
radiant  +, singly  +
Thymophylla pentachaeta var. puberula +
radiant  +, singly  +
Thymophylla setifolia +
radiant  +, singly  +
Thymophylla setifolia var. greggii +
radiant  +, singly  +
Thymophylla tenuiloba +
radiant  +, singly  +
Thymophylla tenuiloba var. tenuiloba +
radiant  +, singly  +
Thymophylla tenuiloba var. texana +
radiant  +, singly  +
Thymophylla tenuiloba var. treculii +
radiant  +, singly  +
Thymophylla tenuiloba var. wrightii +
radiant  +, singly  +
Thymophylla tephroleuca +
radiant  +, singly  +
Tithonia +
singly  +
Tithonia diversifolia +
singly  +
Tithonia rotundifolia +
singly  +
Tithonia thurberi +
singly  +
Toiyabea +
singly  +
Toiyabea alpina +
singly  +
Tolpis +
in loose , corymbiform arrays  +, singly  +
Tolpis barbata +
in loose , corymbiform arrays  +, singly  +
Tonestus +
singly  +
Tonestus eximius +
singly  +
Tonestus graniticus +
singly  +
Tonestus lyallii +
singly  +
Tonestus pygmaeus +
singly  +
Townsendia +
singly  +
Townsendia annua +
singly  +
Townsendia aprica +
singly  +
Townsendia condensata +
singly  +
Townsendia eximia +
singly  +
Townsendia exscapa +
singly  +
Townsendia fendleri +
singly  +
Townsendia florifera +
singly  +
Townsendia formosa +
singly  +
Townsendia glabella +
singly  +
Townsendia grandiflora +
singly  +
Townsendia gypsophila +
singly  +
Townsendia hookeri +
singly  +
Townsendia incana +
singly  +
Townsendia jonesii +
singly  +
Townsendia leptotes +
singly  +
Townsendia mensana +
singly  +
Townsendia microcephala +
singly  +
Townsendia minima +
singly  +
Townsendia montana +
singly  +
Townsendia parryi +
singly  +
Townsendia rothrockii +
singly  +
Townsendia scapigera +
singly  +
Townsendia smithii +
singly  +
Townsendia spathulata +
singly  +
Townsendia strigosa +
singly  +
Townsendia texensis +
singly  +
Tracyina +
singly  +
Tracyina rostrata +
singly  +
Tragopogon +
singly  +
Tragopogon dubius +
singly  +
Tragopogon mirus +
singly  +
Tragopogon miscellus +
singly  +
Tragopogon porrifolius +
singly  +
Tragopogon pratensis +
singly  +
Trichocoronis +
in loose or open , corymbiform arrays  +, singly  +
Trichocoronis wrightii +
in loose or open , corymbiform arrays  +, singly  +
Trichocoronis wrightii var. wrightii +
in loose or open , corymbiform arrays  +, singly  +
Trichoptilium +
singly  +
Trichoptilium incisum +
singly  +
Tridax +
singly  +
Tridax procumbens +
singly  +
Triniteurybia +
singly  +
Triniteurybia aberrans +
singly  +
Tripleurospermum +
in corymbiform arrays  +, singly  +
Tripleurospermum inodorum +
in corymbiform arrays  +, singly  +
Tripleurospermum maritimum +
singly  +
Tripleurospermum maritimum subsp. maritimum +
singly  +
Tripleurospermum maritimum subsp. phaeocephalum +
singly  +
Trixis +
in corymbiform or paniculiform arrays  +, singly  +
Trixis californica +
in corymbiform or paniculiform arrays  +, singly  +
Trixis californica var. californica +
singly  +
Trixis inula +
in corymbiform or paniculiform arrays  +, singly  +
Tussilago +
singly  +
Tussilago farfara +
singly  +
U
Uropappus +
singly  +
Uropappus lindleyi +
singly  +
Urospermum +
in loose , corymbiform arrays  +, singly  +
Urospermum picroides +
in loose , corymbiform arrays  +, singly  +
V
Varilla +
singly  +
Varilla texana +
singly  +
Venegasia +
in more or less corymbiform arrays  +, singly  +
Venegasia carpesioides +
in more or less corymbiform arrays  +, singly  +
Verbesina +
in corymbiform , dichasiiform or paniculiform , arrays  +, singly  +
Verbesina alternifolia +
in corymbiform , dichasiiform or paniculiform , arrays  +, singly  +
Verbesina aristata +
in corymbiform , dichasiiform or paniculiform , arrays  +, singly  +
Verbesina chapmanii +
singly  +
Verbesina dissita +
singly  +
Verbesina encelioides +
singly  +
Verbesina helianthoides +
in corymbiform , dichasiiform or paniculiform , arrays  +, singly  +
Verbesina heterophylla +
singly  +
Verbesina lindheimeri +
singly  +
Verbesina longifolia +
singly  +
Verbesina microptera +
in corymbiform , dichasiiform or paniculiform , arrays  +, singly  +
Verbesina nana +
singly  +
Verbesina occidentalis +
in corymbiform , dichasiiform or paniculiform , arrays  +, singly  +
Verbesina oreophila +
singly  +
Verbesina rothrockii +
singly  +
Verbesina virginica +
in corymbiform , dichasiiform or paniculiform , arrays  +, singly  +
Verbesina walteri +
in corymbiform , dichasiiform or paniculiform , arrays  +, singly  +
Vernonia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia acaulis +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia angustifolia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia arkansana +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia baldwinii +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia blodgettii +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia fasciculata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia flaccidifolia +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia gigantea +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia glauca +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia larseniae +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia lettermannii +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia lindheimeri +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia marginata +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia missurica +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia noveboracensis +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia pulchella +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Vernonia texana +
in usually determinate , rarely indeterminate , arrays  +, singly  +
Viguiera +
singly  +
Viguiera cordifolia +
singly  +
Viguiera dentata +
singly  +
Viguiera stenoloba +
singly  +
Volutaria +
in few-headed corymbiform arrays  +, radiant  +, singly  +
Volutaria muricata +
in few-headed corymbiform arrays  +, radiant  +, singly  +
W
Wedelia +
singly  +
Wedelia acapulcensis +
singly  +
Wedelia acapulcensis var. hispida +
singly  +
Wyethia +
singly  +
Wyethia amplexicaulis +
singly  +
Wyethia angustifolia +
singly  +
Wyethia arizonica +
singly  +
Wyethia glabra +
singly  +
Wyethia helenioides +
singly  +
Wyethia helianthoides +
singly  +
Wyethia longicaulis +
singly  +
Wyethia mollis +
singly  +
X
Xanthisma +
in corymbiform arrays  +, singly  +
Xanthisma blephariphyllum +
in corymbiform arrays  +, singly  +
Xanthisma coloradoense +
in corymbiform arrays  +, singly  +
Xanthisma gracile +
in corymbiform arrays  +, singly  +
Xanthisma grindelioides +
in corymbiform arrays  +, singly  +
Xanthisma grindelioides var. depressum +
in corymbiform arrays  +, singly  +
Xanthisma grindelioides var. grindeloides +
in corymbiform arrays  +, singly  +
Xanthisma gypsophilum +
in corymbiform arrays  +, singly  +
Xanthisma junceum +
in corymbiform arrays  +, singly  +
Xanthisma sect. Blepharodon +
in corymbiform arrays  +, singly  +
Xanthisma sect. Havardii +
in corymbiform arrays  +, singly  +
Xanthisma sect. Sideranthus +
in corymbiform arrays  +, singly  +
Xanthisma sect. Xanthisma +
in corymbiform arrays  +, singly  +
Xanthisma spinulosum +
in corymbiform arrays  +, singly  +
Xanthisma spinulosum var. chihuahuanum +
in corymbiform arrays  +, singly  +
Xanthisma spinulosum var. glaberrimum +
in corymbiform arrays  +, singly  +
Xanthisma spinulosum var. gooddingii +
singly  +
Xanthisma spinulosum var. paradoxum +
singly  +
Xanthisma spinulosum var. spinulosum +
in corymbiform arrays  +, singly  +
Xanthisma texanum +
in corymbiform arrays  +, singly  +
Xanthisma texanum var. drummondii +
in corymbiform arrays  +, singly  +
Xanthisma texanum var. orientale +
in corymbiform arrays  +, singly  +
Xanthisma texanum var. texanum +
in corymbiform arrays  +, singly  +
Xanthisma viscidum +
in corymbiform arrays  +, singly  +
Xanthium +
singly  +
Xanthium spinosum +
singly  +
Xanthium strumarium +
singly  +
Xanthocephalum +
in corymbiform arrays  +, singly  +
Xanthocephalum gymnospermoides +
singly  +
Xerochrysum +
singly  +
Xerochrysum bracteatum +
singly  +
Xylorhiza +
singly  +
Xylorhiza cognata +
singly  +
Xylorhiza confertifolia +
singly  +
Xylorhiza cronquistii +
singly  +
Xylorhiza glabriuscula +
singly  +
Xylorhiza linearifolia +
singly  +
Xylorhiza orcuttii +
singly  +
Xylorhiza tortifolia +
singly  +
Xylorhiza tortifolia var. imberbis +
singly  +
Xylorhiza tortifolia var. tortifolia +
singly  +
Xylorhiza venusta +
singly  +
Xylorhiza wrightii +
singly  +
Y
Yermo +
singly  +
Yermo xanthocephalus +
singly  +
Youngia +
singly  +
Youngia japonica +
singly  +
Z
Zaluzania +
aggregated  +
Zaluzania grayana +
aggregated  +
Zinnia +
singly  +
Zinnia acerosa +
singly  +
Zinnia anomala +
singly  +
Zinnia grandiflora +
singly  +
Zinnia peruviana +
singly  +
Zinnia violacea +
singly  +