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- Treatment (22,973 members)
- Reference (6,776 members)
- Size (5,108 members)
- Top Level Property (4,571 members)
- Position (2,132 members)
- Texture (1,938 members)
- Quantity (1,417 members)
- Growth form (1,369 members)
- Phenology (793 members)
- Some measurement (543 members)
- Life cycle (405 members)
- Shape (391 members)
- Length (361 members)
- Condition (312 members)
- Embryophyta (304 members)
- Width (297 members)
- Position relational (227 members)
- Erigeron (199 members)
- Plates (181 members)
- Magnoliophyta (178 members)
- Asteraceae tribe Astereae (154 members)
- Liliaceae (140 members)
- Carex (140 members)
- Castilleja (139 members)
- Poaceae tribe Poeae (134 members)
- Eriogonum subg. Eucycla (125 members)
- Draba (123 members)
- Revised Since Print (122 members)
- Pages with broken file links (112 members)
- Allium (111 members)
- Boechera (111 members)
- Poaceae tribe Cynodonteae (106 members)
- Physaria (104 members)
- Asteraceae tribe Cichorieae (98 members)
- L w ratio (95 members)
- Plantaginaceae (90 members)
- Viola (89 members)
- Erythranthe (86 members)
- Malvaceae subfam. Malvoideae (84 members)
- Silene (83 members)
- Bryophyta (81 members)
- Cirsium (78 members)
- Euphorbia sect. Anisophyllum (77 members)
- Arctostaphylos (77 members)
- Carex sect. Ovales (75 members)
- Structure (71 members)
- Penstemon sect. Penstemon (70 members)
- Muhlenbergia (70 members)
- Rhynchospora (70 members)
- Calochortus (64 members)
- Senecio (63 members)
- Brassicaceae (63 members)
- Cyperus subg. Cyperus (62 members)
- Asteraceae (tribe Heliantheae) subtribe Ecliptinae (62 members)
- Ribes (61 members)
- Packera (60 members)
- Eriogonum subg. Ganysma (60 members)
- Poaceae tribe Andropogoneae (60 members)
- Helianthus (59 members)
- Asteraceae tribe Senecioneae (58 members)
- Cactaceae subfam. Cactoideae (56 members)
- Elymus (55 members)
- Poaceae tribe Paniceae (55 members)
- Orobanchaceae (54 members)
- Quercus sect. Quercus (54 members)
- Chenopodiaceae (54 members)
- Cyperaceae (54 members)
- Asteraceae tribe Eupatorieae (54 members)
- Mentzelia sect. Bartonia (54 members)
- Eragrostis (53 members)
- Asteraceae tribe Anthemideae (52 members)
- Sedum (49 members)
- Prunus (49 members)
- Diplacus (49 members)
- Penstemon sect. Glabri (49 members)
- Euphorbiaceae (48 members)
- Pedicularis (48 members)
- Asteraceae tribe Heliantheae (48 members)
- Orthotrichum (48 members)
- Micranthes (46 members)
- Cucurbitaceae (46 members)
- Saxifragaceae (46 members)
- Lepidium (44 members)
- Ranunculaceae (44 members)
- Paspalum (44 members)
- Liatris (44 members)
- Pinus (44 members)
- Eriogonum subg. Oligogonum (44 members)
- Symphyotrichum sect. Symphyotrichum (43 members)
- Exudation (43 members)
- Potentilla (42 members)
- Eriogonum umbellatum (41 members)
- Antennaria (41 members)
- Asteraceae (tribe Heliantheae) subtribe Madiinae (40 members)
- Ericameria (40 members)
- Brickellia (40 members)
- Crataegus sect. Coccineae (40 members)
- Fissidens (40 members)
- Amblystegiaceae (40 members)
- Rubus (40 members)
- Streptanthus (39 members)
- Poaceae tribe Triticeae (39 members)
- Cardamine (39 members)
- Sisyrinchium (39 members)
- Brachytheciaceae (38 members)
- Hypnaceae (38 members)
- Rosaceae tribe Gillenieae (38 members)
- Asteraceae tribe Gnaphalieae (38 members)
- Diameter (38 members)
- Opuntia (38 members)
- Salix subg. Vetrix (38 members)
- Polygonaceae subfam. Eriogonoideae (38 members)
- Oxalis (38 members)
- Asteraceae (tribe Heliantheae) subtribe Chaenactidinae (38 members)
- Croton (37 members)
- Agave (36 members)
- Hieracium (36 members)
- Heuchera (36 members)
- Crassulaceae (36 members)
- Linum sect. Linopsis (36 members)
- Veronica (36 members)
- Agalinis (36 members)
- Platanthera (36 members)
- Dryopteridaceae (36 members)
- Sidalcea (36 members)
- Carex sect. Phacocystis (36 members)
- Festuca sect. Festuca (35 members)
- Aristida (35 members)
- Quercus sect. Lobatae (35 members)
- Potamogeton (35 members)
- Euphorbia subg. Esula (35 members)
- Penstemon sect. Cristati (35 members)
- Minuartia (34 members)
- Papaveraceae (34 members)
- Asteraceae tribe Cardueae (34 members)
- Cotoneaster (34 members)
- Sporobolus (34 members)
- Dicranaceae (34 members)
- Asplenium (33 members)
- Juncus subg. Septati (33 members)
- Ceanothus subg. Ceanothus (33 members)
- Sphaeralcea (33 members)
- Penstemon sect. Saccanthera (33 members)
- Achnatherum (33 members)
- Digitaria (33 members)
- Anemone (33 members)
- Pottiaceae subfam. Barbuloideae (32 members)
- Pohlia (32 members)
- Cerastium (32 members)
- Chorizanthe sect. Ptelosepala (32 members)
- Polygonaceae subfam. Polygonoideae (32 members)
- Rumex sect. Rumex (32 members)
- Iridaceae (32 members)
- Caryophyllaceae subfam. Alsinoideae (32 members)
- Stellaria (32 members)
- Yucca (32 members)
- Plantago (32 members)
- Tradescantia (31 members)
- Oenothera (31 members)
- Polygala (31 members)
- Artemisia subg. Artemisia (31 members)
- Pottiaceae subfam. Pottioideae (30 members)
- Sphagnum sect. Cuspidata (30 members)
- Crataegus (30 members)
- Eriogonum subg. Oregonium (30 members)
- Poaceae tribe Stipeae (30 members)
- Rhamnaceae (30 members)
- Epilobium sect. Epilobium (30 members)
- Schistidium (30 members)
- Penstemon subg. Penstemon (30 members)
- Carex sect. Racemosae (29 members)
- Poa subg. Poa (29 members)
- Ceanothus subg. Cerastes (29 members)
- Selaginella subg. Tetragonostachys (29 members)
- Calamagrostis (29 members)
- Claytonia (29 members)
- Arnica (29 members)
- Hypericum sect. Myriandra (29 members)
- Saxifraga (29 members)
- Paronychia (29 members)
- Rosaceae tribe Potentilleae (28 members)
- Didymodon (28 members)
- Sagittaria (28 members)
- Eupatorium (28 members)
- Ericaceae subfam. Ericoideae (28 members)
- Agrostis (28 members)
- Dicranum (28 members)
- Carex sect. Phaestoglochin (28 members)
- Brassicaceae tribe Thelypodieae (28 members)
- Asteraceae (28 members)
- Cheilanthes (28 members)
- Crepis (28 members)
- Ranunculus sect. Epirotes (28 members)
- Perityle sect. Laphamia (28 members)
- Echinocereus (27 members)
- Tortula (27 members)
- Cylindropuntia (27 members)
- Spiranthes (26 members)
- Carex sect. Acrocystis (26 members)
- Myrtaceae (26 members)
- Pteridaceae (26 members)
- Nyctaginaceae (26 members)
- Rhododendron (26 members)
- Penstemon sect. Coerulei (26 members)
- Bromus sect. Bromopsis (26 members)
- Ranunculus sect. Ranunculus (26 members)
- Brassicaceae tribe Brassiceae (26 members)
- Erythronium (26 members)
- Dichanthelium (26 members)
- Sphagnum sect. Acutifolia (26 members)
- Townsendia (26 members)
- Lilium (25 members)
- Bidens (25 members)
- Rosa sect. Rosa (25 members)
- Eleocharis (sect. Eleocharis) ser. Eleocharis (25 members)
- Xyris (24 members)
- Hibiscus (24 members)
- Amaranthaceae (24 members)
- Celastraceae (24 members)
- Trillium subg. Phyllantherum (24 members)
- Collinsia (24 members)
- Ericaceae subfam. Monotropoideae (24 members)
- Setaria subg. Setaria (24 members)
- Onagraceae tribe Onagreae (24 members)
- Hypnum (24 members)
- Heterotheca (24 members)
- Cleomaceae (24 members)
- Ericaceae subfam. Vaccinioideae (24 members)
- Aizoaceae (24 members)
- Isoëtes (24 members)
- Symphyotrichum subg. Virgulus (24 members)
- Crataegus (sect. Coccineae) ser. Lacrimatae (24 members)
- Bryaceae (24 members)
- Aquilegia (23 members)
- Juncus subg. Graminifolii (23 members)
- Botrychium subg. Botrychium (23 members)
- Baccharis (23 members)
- Orobanche (23 members)
- Rorippa (23 members)
- Eurybia (23 members)
- Berberis (23 members)
- Cyperus subg. Pycnostachys (22 members)
- Orchidaceae subfam. Epidendroideae (22 members)
- Primula (22 members)
- Centaurea (22 members)
- Melica (22 members)
- Abronia (22 members)
- Asteraceae (tribe Heliantheae) subtribe Gaillardiinae (22 members)
- Orchidaceae (tribe Cranichideae) subtribe Spiranthinae (22 members)
- Euphrasia (22 members)