Categories
The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 500 | next 500) (20 | 50 | 100 | 250 | 500)- Abelmoschus (1 member)
- Abies (11 members)
- Abietinella (1 member)
- Abildgaardia (1 member)
- Abronia (22 members)
- Abronia nana (2 members)
- Abronia umbellata (3 members)
- Abronia villosa (2 members)
- Abutilon (18 members)
- Acaena (3 members)
- Acalypha (18 members)
- Acamptopappus (3 members)
- Acamptopappus sphaerocephalus (2 members)
- Acanthocereus (1 member)
- Acanthoscyphus (2 members)
- Acanthoscyphus parishii (4 members)
- Acanthospermum (3 members)
- Acaulon (4 members)
- Acaulon muticum (2 members)
- Achatocarpaceae (2 members)
- Achillea (4 members)
- Achlys (2 members)
- Achnatherum (33 members)
- Achnatherum lemmonii (2 members)
- Achnatherum nelsonii (2 members)
- Achnatherum occidentale (3 members)
- Achnatherum parishii (2 members)
- Achyrachaena (1 member)
- Achyranthes (3 members)
- Achyranthes aspera (2 members)
- Achyronychia (1 member)
- Acleisanthes (13 members)
- Acleisanthes lanceolata (1 member)
- Acmella (2 members)
- Acoelorraphe (1 member)
- Aconitum (7 members)
- Aconitum columbianum (2 members)
- Aconitum maximum (1 member)
- Aconogonon (6 members)
- Aconogonon alaskanum (2 members)
- Aconogonon davisiae (2 members)
- Aconogonon phytolaccifolium (2 members)
- Acoraceae (2 members)
- Acorus (2 members)
- Acourtia (5 members)
- Acrachne (1 member)
- Acrocomia (1 member)
- Acroporium (1 member)
- Acroptilon (1 member)
- Acrostichum (2 members)
- Actaea (2 members)
- Actinostachys (1 member)
- Adelia (1 member)
- Adenocaulon (1 member)
- Adenophyllum (4 members)
- Adenophyllum wrightii (1 member)
- Adenostoma (3 members)
- Adenostoma fasciculatum (3 members)
- Adiantum (9 members)
- Adlumia (1 member)
- Adolphia (2 members)
- Adonis (3 members)
- Aegilops (7 members)
- Aegopogon (1 member)
- Aeluropus (1 member)
- Aeonium (3 members)
- Aeonium arboreum (1 member)
- Agalinis (36 members)
- Agalinis maritima (2 members)
- Agalinis purpurea (2 members)
- Agarista (1 member)
- Agavaceae (18 members)
- Agave (36 members)
- Agave americana (3 members)
- Agave americana subsp. americana (2 members)
- Agave asperrima (1 member)
- Agave deserti (2 members)
- Agave parryi (3 members)
- Agave parryi subsp. parryi (3 members)
- Agave parviflora (1 member)
- Agave schottii (2 members)
- Agave shawii (1 member)
- Agave toumeyana (2 members)
- Agave utahensis (3 members)
- Agave utahensis subsp. utahensis (3 members)
- Agdestis (1 member)
- Ageratina (15 members)
- Ageratina altissima (2 members)
- Ageratum (4 members)
- Agnorhiza (5 members)
- Agoseris (15 members)
- Agoseris apargioides (3 members)
- Agoseris aurantiaca (2 members)
- Agoseris glauca (2 members)
- Agoseris grandiflora (2 members)
- Agoseris heterophylla (3 members)
- Agrimonia (7 members)
- Agropyron (2 members)
- Agrostemma (2 members)
- Agrostemma githago (1 member)
- Agrostis (28 members)
- Aira (3 members)
- Aira caryophyllea (3 members)
- Aizoaceae (24 members)
- Akebia (1 member)
- Alcea (2 members)
- Alchemilla (13 members)
- Alchemilla filicaulis (2 members)
- Aletris (5 members)
- Alisma (5 members)
- Alismataceae (8 members)
- Allenrolfea (1 member)
- Alliaria (1 member)
- Allionia (3 members)
- Allionia incarnata (2 members)
- Allium (111 members)
- Allium atrorubens (2 members)
- Allium bolanderi (2 members)
- Allium canadense (6 members)
- Allium fimbriatum (3 members)
- Allium geyeri (2 members)
- Allium howellii (3 members)
- Allium lacunosum (4 members)
- Allium obtusum (2 members)
- Allium paniculatum (1 member)
- Allium peninsulare (2 members)
- Allium perdulce (2 members)
- Allium sanbornii (2 members)
- Allium sativum (1 member)
- Allium tolmiei (2 members)
- Allium tricoccum (2 members)
- Allolepis (1 member)
- Alloteropsis (1 member)
- Allotropa (1 member)
- Allowissadula (2 members)
- Almutaster (1 member)
- Alnus (10 members)
- Alnus incana (2 members)
- Alnus viridis (3 members)
- Aloaceae (2 members)
- Aloe (2 members)
- Aloina (7 members)
- Aloina aloides (1 member)
- Aloina rigida (1 member)
- Alopecurus (11 members)
- Alopecurus aequalis (2 members)
- Alophia (1 member)
- Alpinia (1 member)
- Alsia (1 member)
- Alstroemeria (1 member)
- Alternanthera (10 members)
- Alternanthera ficoidea (1 member)
- Althaea (4 members)
- Alvaradoa (2 members)
- Alvaradoa amorphoides (1 member)
- Alyssum (6 members)
- Amaranthaceae (24 members)
- Amaranthus (6 members)
- Amaranthus sect. Acanthochiton (1 member)
- Amaranthus sect. Acnida (4 members)
- Amaranthus sect. Saueranthus (4 members)
- Amaranthus subg. Acnida (6 members)
- Amaranthus subg. Albersia (15 members)
- Amaranthus subg. Amaranthus (14 members)
- Amauriopsis (1 member)
- Amberboa (1 member)
- Amblyodon (1 member)
- Amblyolepis (1 member)
- Amblyopappus (1 member)
- Amblystegiaceae (40 members)
- Amblystegium (1 member)
- Ambrosia (22 members)
- Amelanchier (20 members)
- Amelanchier alnifolia (3 members)
- Amelanchier canadensis (2 members)
- Amelichloa (3 members)
- Amerorchis (1 member)
- Amianthium (1 member)
- Ammannia (5 members)
- Ammophila (3 members)
- Ammophila breviligulata (2 members)
- Amoreuxia (3 members)
- Ampelaster (1 member)
- Ampelodesmos (1 member)
- Ampelopsis (3 members)
- Amphiachyris (2 members)
- Amphibromus (3 members)
- Amphicarpum (2 members)
- Amphidium (3 members)
- Amphipappus (2 members)
- Amphipappus fremontii (2 members)
- Amphiscirpus (1 member)
- Anacamptodon (1 member)
- Anacolia (2 members)
- Anagallis (4 members)
- Anaphalis (1 member)
- Ancistrocactus (2 members)
- Ancistrocarphus (2 members)
- Andreaea (11 members)
- Andreaeaceae (2 members)
- Andreaeobryaceae (2 members)
- Andreaeobryum (1 member)
- Andromeda (2 members)
- Andromeda polifolia (2 members)
- Andropogon (4 members)
- Andropogon glomeratus (5 members)
- Andropogon gyrans (2 members)
- Andropogon sect. Andropogon (2 members)
- Andropogon sect. Leptopogon (16 members)
- Andropogon ternarius (2 members)
- Andropogon virginicus (3 members)
- Androsace (7 members)
- Androsace chamaejasme (1 member)
- Androsace elongata (1 member)
- Androstephium (2 members)
- Anelsonia (1 member)
- Anemia (3 members)
- Anemiaceae (2 members)
- Anemone (33 members)
- Anemone drummondii (2 members)
- Anemone edwardsiana (2 members)
- Anemone multifida (4 members)
- Anemone narcissiflora (3 members)
- Anemone oregana (2 members)
- Anemone patens (1 member)
- Anemone quinquefolia (2 members)
- Anemone virginiana (3 members)
- Anemopsis (1 member)
- Angelonia (1 member)
- Angle (16 members)
- Anisocarpus (2 members)
- Anisocoma (1 member)
- Annona (2 members)
- Annonaceae (6 members)
- Anoda (7 members)
- Anoectangium (3 members)
- Anomobryum (2 members)
- Anomodon (8 members)
- Anomodontaceae (4 members)
- Anredera (2 members)
- Antennaria (41 members)
- Antennaria friesiana (3 members)
- Antennaria howellii (4 members)
- Antennaria luzuloides (2 members)
- Antennaria monocephala (2 members)
- Antennaria parlinii (2 members)
- Antennaria pulcherrima (2 members)
- Antennaria rosea (4 members)
- Anthemis (2 members)
- Anthenantia (2 members)
- Anthephora (1 member)
- Anthoxanthum (8 members)
- Anthoxanthum monticola (2 members)
- Antigonon (1 member)
- Antirrhinum (1 member)
- Antitrichia (2 members)
- Anulocaulis (5 members)
- Anulocaulis leiosolenus (4 members)
- Aongstroemia (1 member)
- Apacheria (1 member)
- Apera (2 members)
- Aphanes (3 members)
- Aphanisma (1 member)
- Aphanorrhegma (1 member)
- Aphanostephus (6 members)
- Aphanostephus ramosissimus (2 members)
- Aphanostephus skirrhobasis (3 members)
- Aphragmus (1 member)
- Aplectrum (1 member)
- Aplodon (1 member)
- Apluda (1 member)
- Apodanthaceae (2 members)
- Apodanthera (2 members)
- Apodanthera undulata (1 member)
- Aponogeton (1 member)
- Aponogetonaceae (2 members)
- Aptenia (1 member)
- Apteria (1 member)
- Aquilegia (23 members)
- Aquilegia coerulea (4 members)
- Aquilegia formosa (3 members)
- Arabidopsis (6 members)
- Arabidopsis arenosa (1 member)
- Arabidopsis lyrata (3 members)
- Arabis (16 members)
- Arabis pycnocarpa (2 members)
- Araceae (16 members)
- Arachniodes (1 member)
- Arbutus (3 members)
- Arceuthobium (9 members)
- Arceuthobium campylopodum (13 members)
- Arceuthobium vaginatum (1 member)
- Archidiaceae (2 members)
- Archidium (6 members)
- Architecture (12 members)
- Arctagrostis (2 members)
- Arctagrostis latifolia (2 members)
- Arctanthemum (2 members)
- Arctanthemum arcticum (2 members)
- Arctium (3 members)
- Arctoa (3 members)
- Arctomecon (3 members)
- Arctophila (1 member)
- Arctostaphylos (77 members)
- Arctostaphylos bakeri (2 members)
- Arctostaphylos canescens (2 members)
- Arctostaphylos crustacea (6 members)
- Arctostaphylos glandulosa (8 members)
- Arctostaphylos hookeri (2 members)
- Arctostaphylos manzanita (6 members)
- Arctostaphylos mewukka (2 members)
- Arctostaphylos montana (2 members)
- Arctostaphylos nevadensis (2 members)
- Arctostaphylos nummularia (2 members)
- Arctostaphylos parryana (3 members)
- Arctostaphylos pringlei (2 members)
- Arctostaphylos stanfordiana (3 members)
- Arctostaphylos tomentosa (4 members)
- Arctostaphylos viscida (3 members)
- Arctotheca (1 member)
- Arctotis (2 members)
- Arctous (2 members)
- Ardisia (4 members)
- Area (7 members)
- Arecaceae (6 members)
- Arecaceae (tribe Areceae) subtribe Dypsidinae (2 members)
- Arecaceae (tribe Areceae) subtribe Ptychospermatinae (2 members)
- Arecaceae (tribe Areceae) subtribe Roystoneinae (2 members)
- Arecaceae (tribe Cocoeae) subtribe Bactridinae (2 members)
- Arecaceae (tribe Cocoeae) subtribe Butiinae (4 members)
- Arecaceae (tribe Cocoeae) subtribe Elaeidinae (2 members)
- Arecaceae (tribe Corypheae) subtribe Livistoninae (8 members)
- Arecaceae (tribe Corypheae) subtribe Sabalinae (2 members)
- Arecaceae (tribe Corypheae) subtribe Thrinacinae (6 members)
- Arecaceae subfam. Arecoideae (6 members)
- Arecaceae subfam. Ceroxyloideae (4 members)
- Arecaceae subfam. Coryphoideae (4 members)
- Arecaceae tribe Areceae (6 members)
- Arecaceae tribe Caryoteae (2 members)
- Arecaceae tribe Cocoeae (6 members)
- Arecaceae tribe Corypheae (6 members)
- Arecaceae tribe Cyclospatheae (2 members)
- Arecaceae tribe Hyophorbeae (2 members)
- Arecaceae tribe Phoeniceae (2 members)
- Arenaria (11 members)
- Arenaria lanuginosa (2 members)
- Arenaria serpyllifolia (2 members)
- Arethusa (1 member)
- Argemone (20 members)
- Argemone albiflora (2 members)
- Argemone corymbosa (2 members)
- Argemone munita (4 members)
- Argemone pleiacantha (3 members)
- Argemone squarrosa (2 members)
- Argyranthemum (1 member)
- Argyrochosma (7 members)
- Argyrochosma limitanea (2 members)
- Argythamnia (14 members)
- Argythamnia brandegeei (1 member)
- Argythamnia mercurialina (2 members)
- Arida (6 members)
- Ariocarpus (2 members)
- Ariocarpus fissuratus (1 member)
- Arisaema (2 members)
- Aristida (35 members)
- Aristida californica (2 members)
- Aristida dichotoma (2 members)
- Aristida longespica (2 members)
- Aristida purpurascens (3 members)
- Aristida purpurea (7 members)
- Aristida ternipes (2 members)
- Aristocapsa (1 member)
- Aristolochia (12 members)
- Aristolochiaceae (6 members)
- Arivela (1 member)
- Armeria (2 members)
- Armeria maritima (4 members)
- Armoracia (1 member)
- Arnica (29 members)
- Arnica angustifolia (2 members)
- Arnica griscomii (2 members)
- Arnica lanceolata (2 members)
- Arnoglossum (8 members)
- Arnoseris (1 member)
- Aronia (2 members)
- Arrangement (14 members)
- Arrhenatherum (1 member)
- Arrhenopterum (1 member)
- Artemisia (8 members)
- Artemisia arbuscula (3 members)
- Artemisia borealis (2 members)
- Artemisia campestris (3 members)
- Artemisia cana (3 members)
- Artemisia globularia (2 members)
- Artemisia laciniata (2 members)
- Artemisia ludoviciana (6 members)
- Artemisia norvegica (1 member)
- Artemisia subg. Absinthium (5 members)
- Artemisia subg. Artemisia (31 members)
- Artemisia subg. Drancunculus (10 members)
- Artemisia subg. Tridentatae (14 members)
- Artemisia tridentata (4 members)
- Artemisia tripartita (2 members)
- Arthraxon (1 member)
- Arthrocnemum (1 member)
- Aruncus (2 members)
- Aruncus dioicus (4 members)
- Arundinaria (3 members)
- Arundo (1 member)
- Asanthus (1 member)
- Asarum (6 members)
- Aschisma (1 member)
- Asemeia (1 member)
- Asimina (9 members)
- Asimina longifolia (2 members)
- Asparagus (4 members)
- Asphodelus (1 member)
- Aspicarpa (2 members)
- Aspidotis (3 members)
- Aspleniaceae (2 members)
- Asplenium (33 members)
- Asplenium scolopendrium (1 member)
- Asplenium trichomanes (2 members)
- Aster (3 members)
- Aster alpinus (1 member)
- Asteraceae (28 members)
- Asteraceae (tribe Heliantheae) subtribe Ambrosiinae (22 members)
- Asteraceae (tribe Heliantheae) subtribe Baeriinae (14 members)
- Asteraceae (tribe Heliantheae) subtribe Chaenactidinae (38 members)
- Asteraceae (tribe Heliantheae) subtribe Clappiinae (4 members)
- Asteraceae (tribe Heliantheae) subtribe Coreopsidinae (14 members)
- Asteraceae (tribe Heliantheae) subtribe Dimeresiinae (2 members)
- Asteraceae (tribe Heliantheae) subtribe Ecliptinae (62 members)
- Asteraceae (tribe Heliantheae) subtribe Flaveriinae (6 members)
- Asteraceae (tribe Heliantheae) subtribe Gaillardiinae (22 members)
- Asteraceae (tribe Heliantheae) subtribe Galinsoginae (8 members)
- Asteraceae (tribe Heliantheae) subtribe Guardiolinae (2 members)
- Asteraceae (tribe Heliantheae) subtribe Helianthinae (16 members)
- Asteraceae (tribe Heliantheae) subtribe Hymenopappinae (2 members)
- Asteraceae (tribe Heliantheae) subtribe Jaumeinae (2 members)
- Asteraceae (tribe Heliantheae) subtribe Madiinae (40 members)
- Asteraceae (tribe Heliantheae) subtribe Marshalliinae (2 members)
- Asteraceae (tribe Heliantheae) subtribe Melampodiinae (6 members)
- Asteraceae (tribe Heliantheae) subtribe Milleriinae (2 members)
- Asteraceae (tribe Heliantheae) subtribe Pectidinae (18 members)
- Asteraceae (tribe Heliantheae) subtribe Peritylinae (4 members)
- Asteraceae (tribe Heliantheae) subtribe Polymniinae (2 members)
- Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae (4 members)
- Asteraceae (tribe Heliantheae) subtribe Varillinae (2 members)
- Asteraceae (tribe Heliantheae) subtribe Zaluzaniinae (2 members)
- Asteraceae tribe Anthemideae (52 members)
- Asteraceae tribe Arctotideae (6 members)
- Asteraceae tribe Astereae (154 members)
- Asteraceae tribe Calenduleae (8 members)
- Asteraceae tribe Cardueae (34 members)
- Asteraceae tribe Cichorieae (98 members)
- Asteraceae tribe Eupatorieae (54 members)
- Asteraceae tribe Gnaphalieae (38 members)
- Asteraceae tribe Heliantheae (48 members)
- Asteraceae tribe Inuleae (6 members)
- Asteraceae tribe Mutisieae (14 members)
- Asteraceae tribe Plucheeae (6 members)
- Asteraceae tribe Senecioneae (58 members)
- Asteraceae tribe Vernonieae (12 members)
- Astilbe (1 member)
- Astraea (1 member)
- Astranthium (3 members)
- Astrolepis (6 members)
- Astrolepis cochisensis (3 members)
- Astrolepis sinuata (2 members)
- Astrophytum (1 member)
- Atamisquea (1 member)
- Athyrium (4 members)
- Athyrium distentifolium (1 member)
- Athyrium filix-femina (4 members)
- Athysanus (2 members)
- Atrichoseris (1 member)
- Atrichum (9 members)
- Atriplex (6 members)
- Atriplex acanthocarpa (2 members)
- Atriplex argentea (5 members)
- Atriplex canescens (4 members)
- Atriplex cordulata (2 members)
- Atriplex coronata (3 members)
- Atriplex elegans (2 members)
- Atriplex gardneri (7 members)
- Atriplex garrettii (2 members)
- Atriplex glabriuscula (3 members)
- Atriplex gmelinii (2 members)
- Atriplex parishii (5 members)
- Atriplex powellii (2 members)
- Atriplex saccaria (3 members)
- Atriplex sect. Atriplex (1 member)
- Atriplex sect. Covilleiae (1 member)
- Atriplex sect. Dialysex (2 members)
- Atriplex sect. Endolepis (1 member)
- Atriplex sect. Obione (18 members)
- Atriplex sect. Phyllostegiae (1 member)
- Atriplex sect. Pleianthae (1 member)
- Atriplex sect. Sclerocalymma (3 members)