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- Treatment (22,979 members)
- Reference (6,778 members)
- Size (1,454 members)
- Top Level Property (1,391 members)
- Revised Since Print (1,287 members)
- Position (711 members)
- Quantity (653 members)
- Texture (501 members)
- Growth form (351 members)
- Embryophyta (304 members)
- Phenology (238 members)
- Plates (225 members)
- Erigeron (199 members)
- Magnoliophyta (178 members)
- Asteraceae tribe Astereae (154 members)
- Carex (140 members)
- Liliaceae (140 members)
- Castilleja (139 members)
- Life cycle (137 members)
- Poaceae tribe Poeae (134 members)
- Some measurement (129 members)
- Shape (126 members)
- Eriogonum subg. Eucycla (125 members)
- Draba (123 members)
- Pages with broken file links (112 members)
- Allium (111 members)
- Boechera (111 members)
- Poaceae tribe Cynodonteae (106 members)
- Physaria (104 members)
- Length (102 members)
- Asteraceae tribe Cichorieae (98 members)
- Plantaginaceae (90 members)
- Viola (89 members)
- Erythranthe (86 members)
- Malvaceae subfam. Malvoideae (84 members)
- Silene (83 members)
- Bryophyta (81 members)
- Count (80 members)
- Cirsium (78 members)
- Arctostaphylos (77 members)
- Euphorbia sect. Anisophyllum (77 members)
- Condition (75 members)
- Carex sect. Ovales (75 members)
- Width (70 members)
- Rhynchospora (70 members)
- Penstemon sect. Penstemon (70 members)
- Muhlenbergia (70 members)
- Calochortus (64 members)
- Brassicaceae (63 members)
- Senecio (63 members)
- Asteraceae (tribe Heliantheae) subtribe Ecliptinae (62 members)
- Cyperus subg. Cyperus (62 members)
- Ribes (61 members)
- Eriogonum subg. Ganysma (60 members)
- Packera (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)
- Asteraceae tribe Eupatorieae (54 members)
- Orobanchaceae (54 members)
- Quercus sect. Quercus (54 members)
- Cyperaceae (54 members)
- Mentzelia sect. Bartonia (54 members)
- Chenopodiaceae (54 members)
- Position relational (53 members)
- Eragrostis (53 members)
- Asteraceae tribe Anthemideae (52 members)
- Diplacus (49 members)
- Prunus (49 members)
- Sedum (49 members)
- Penstemon sect. Glabri (49 members)
- Pedicularis (48 members)
- Euphorbiaceae (48 members)
- Asteraceae tribe Heliantheae (48 members)
- Orthotrichum (48 members)
- Micranthes (46 members)
- Saxifragaceae (46 members)
- Cucurbitaceae (46 members)
- Pinus (44 members)
- Eriogonum subg. Oligogonum (44 members)
- Paspalum (44 members)
- Ranunculaceae (44 members)
- Liatris (44 members)
- Lepidium (44 members)
- Potentilla (43 members)
- Symphyotrichum sect. Symphyotrichum (43 members)
- Antennaria (41 members)
- Eriogonum umbellatum (41 members)
- Crataegus sect. Coccineae (40 members)
- Rubus (40 members)
- Asteraceae (tribe Heliantheae) subtribe Madiinae (40 members)
- Amblystegiaceae (40 members)
- Brickellia (40 members)
- Ericameria (40 members)
- Fissidens (40 members)
- Streptanthus (39 members)
- Poaceae tribe Triticeae (39 members)
- Sisyrinchium (39 members)
- Cardamine (39 members)
- Brachytheciaceae (38 members)
- Asteraceae (tribe Heliantheae) subtribe Chaenactidinae (38 members)
- Opuntia (38 members)
- Hypnaceae (38 members)
- Oxalis (38 members)
- Asteraceae tribe Gnaphalieae (38 members)
- Salix subg. Vetrix (38 members)
- Polygonaceae subfam. Eriogonoideae (38 members)
- Rosaceae tribe Gillenieae (38 members)
- Croton (37 members)
- Dryopteridaceae (36 members)
- Veronica (36 members)
- Crassulaceae (36 members)
- Carex sect. Phacocystis (36 members)
- Sidalcea (36 members)
- Agalinis (36 members)
- Heuchera (36 members)
- Agave (36 members)
- Platanthera (36 members)
- Hieracium (36 members)
- Linum sect. Linopsis (36 members)
- Euphorbia subg. Esula (35 members)
- Aristida (35 members)
- Festuca sect. Festuca (35 members)
- Potamogeton (35 members)
- Quercus sect. Lobatae (35 members)
- Penstemon sect. Cristati (35 members)
- Sporobolus (34 members)
- Cotoneaster (34 members)
- Asteraceae tribe Cardueae (34 members)
- Papaveraceae (34 members)
- Minuartia (34 members)
- Dicranaceae (34 members)
- Juncus subg. Septati (33 members)
- Asplenium (33 members)
- Anemone (33 members)
- Sphaeralcea (33 members)
- Achnatherum (33 members)
- Ceanothus subg. Ceanothus (33 members)
- Digitaria (33 members)
- Penstemon sect. Saccanthera (33 members)
- Polygonaceae subfam. Polygonoideae (32 members)
- Pohlia (32 members)
- Iridaceae (32 members)
- Caryophyllaceae subfam. Alsinoideae (32 members)
- Pottiaceae subfam. Barbuloideae (32 members)
- Plantago (32 members)
- Rumex sect. Rumex (32 members)
- Stellaria (32 members)
- Cerastium (32 members)
- Chorizanthe sect. Ptelosepala (32 members)
- Yucca (32 members)
- Polygala (31 members)
- Oenothera (31 members)
- Tradescantia (31 members)
- Artemisia subg. Artemisia (31 members)
- Crataegus (30 members)
- Poaceae tribe Stipeae (30 members)
- Rhamnaceae (30 members)
- Schistidium (30 members)
- Pottiaceae subfam. Pottioideae (30 members)
- Epilobium sect. Epilobium (30 members)
- Sphagnum sect. Cuspidata (30 members)
- Penstemon subg. Penstemon (30 members)
- Eriogonum subg. Oregonium (30 members)
- Selaginella subg. Tetragonostachys (29 members)
- Ceanothus subg. Cerastes (29 members)
- Carex sect. Racemosae (29 members)
- Poa subg. Poa (29 members)
- Arnica (29 members)
- Saxifraga (29 members)
- Claytonia (29 members)
- Hypericum sect. Myriandra (29 members)
- Paronychia (29 members)
- Calamagrostis (29 members)
- Rosaceae tribe Potentilleae (28 members)
- Cheilanthes (28 members)
- Sagittaria (28 members)
- Brassicaceae tribe Thelypodieae (28 members)
- Ranunculus sect. Epirotes (28 members)
- Asteraceae (28 members)
- Crepis (28 members)
- Eupatorium (28 members)
- Perityle sect. Laphamia (28 members)
- Ericaceae subfam. Ericoideae (28 members)
- Agrostis (28 members)
- Carex sect. Phaestoglochin (28 members)
- Dicranum (28 members)
- Didymodon (28 members)
- Townsendia (27 members)
- Cylindropuntia (27 members)
- Echinocereus (27 members)
- Tortula (27 members)
- Pteridaceae (26 members)
- Carex sect. Acrocystis (26 members)
- Rhododendron (26 members)
- Ranunculus sect. Ranunculus (26 members)
- Erythronium (26 members)
- Spiranthes (26 members)
- Myrtaceae (26 members)
- Bromus sect. Bromopsis (26 members)
- Sphagnum sect. Acutifolia (26 members)
- Penstemon sect. Coerulei (26 members)
- Brassicaceae tribe Brassiceae (26 members)
- Dichanthelium (26 members)
- Nyctaginaceae (26 members)
- Rosa sect. Rosa (25 members)
- Bidens (25 members)
- Eleocharis (sect. Eleocharis) ser. Eleocharis (25 members)
- Lilium (25 members)
- Ericaceae subfam. Monotropoideae (24 members)
- Bryaceae (24 members)
- Isoëtes (24 members)
- Hypnum (24 members)
- Hibiscus (24 members)
- Aizoaceae (24 members)
- Celastraceae (24 members)
- Cleomaceae (24 members)
- Heterotheca (24 members)
- Trillium subg. Phyllantherum (24 members)
- Ericaceae subfam. Vaccinioideae (24 members)
- Onagraceae tribe Onagreae (24 members)
- Xyris (24 members)
- Amaranthaceae (24 members)
- Collinsia (24 members)
- Symphyotrichum subg. Virgulus (24 members)
- Baccharis (24 members)
- Crataegus (sect. Coccineae) ser. Lacrimatae (24 members)
- Setaria subg. Setaria (24 members)
- Eurybia (23 members)
- Botrychium subg. Botrychium (23 members)
- Juncus subg. Graminifolii (23 members)
- Orobanche (23 members)
- Berberis (23 members)
- Aquilegia (23 members)
- Rorippa (23 members)
- Orchidaceae subfam. Epidendroideae (22 members)
- Exudation (22 members)
- Abronia (22 members)
- Cyperus subg. Pycnostachys (22 members)
- Polygonum sect. Duravia (22 members)
- Brachythecium (22 members)
- Melica (22 members)
- Centaurea (22 members)
- Orchidaceae (tribe Cranichideae) subtribe Spiranthinae (22 members)
- Asteraceae (tribe Heliantheae) subtribe Ambrosiinae (22 members)
- Asteraceae (tribe Heliantheae) subtribe Gaillardiinae (22 members)
- Primula (22 members)
- Solidago sect. Solidago (22 members)
- Euphrasia (22 members)
- Ambrosia (22 members)
- Pseudognaphalium (21 members)
- Puccinellia (21 members)
- Helenium (21 members)
- Leymus (21 members)
- Euphorbia sect. Alectoroctonum (21 members)
- Pyrrocoma (21 members)
- Spiraea (21 members)
- Fritillaria (21 members)
- Ericameria nauseosa (21 members)
- Rumex sect. Axillares (21 members)
- Eremogone (21 members)
- Mentzelia sect. Trachyphytum (21 members)
- Carex sect. Hymenochlaenae (21 members)
- Poaceae (20 members)
- Polypodiophyta (20 members)
- Lechea (20 members)
- Carex sect. Griseae (20 members)
- Erysimum (20 members)
- Coryphantha (20 members)
- Phyllanthus (20 members)
- Vaccinium (20 members)
- Synthyris (20 members)
- Argemone (20 members)
- Sida (20 members)
- Hydrocharitaceae (20 members)
- Malacothrix (20 members)
- Clematis subg. Viorna (20 members)
- Dodecatheon (20 members)
- Betula (20 members)
- Lysimachia (20 members)
- Lythraceae (20 members)
- Amelanchier (20 members)
- Smilax (20 members)
- Brassicaceae tribe Cardamineae (20 members)
- Carex sect. Vesicariae (19 members)
- Passiflora (19 members)
- Atriplex subg. Pterochiton (19 members)
- Lewisia (19 members)
- Chloris (19 members)
- Thelypodium (19 members)
- Carex sect. Glareosae (19 members)
- Drymocallis (19 members)
- Ludwigia sect. Isnardia (19 members)
- Hymenoxys (19 members)
- Chylismia sect. Chylismia (19 members)
- Cordylanthus (19 members)
- Vitis subg. Vitis (19 members)
- Pennisetum (18 members)
- Abutilon (18 members)
- Cupressaceae (18 members)
- Dudleya subg. Dudleya (18 members)
- Scirpus (18 members)
- Scrophulariaceae (18 members)
- Pellaea (18 members)
- Panicum sect. Panicum (18 members)
- Trillium subg. Trillium (18 members)
- Grindelia (18 members)
- Atriplex sect. Obione (18 members)
- Sematophyllaceae (18 members)
- Juncus subg. Poiophylli (18 members)
- Portulacaceae (18 members)
- Ditrichaceae (18 members)
- Poaceae subfam. Pooideae (18 members)
- Delphinium sect. Diedropetala (18 members)
- Lauraceae (18 members)
- Ranunculus (18 members)
- Leskeaceae (18 members)
- Acalypha (18 members)
- Brodiaea (18 members)
- Iris sect. Limniris (18 members)
- Agavaceae (18 members)
- Salix sect. Hastatae (18 members)
- Sphagnum (18 members)
- Polytrichaceae (18 members)
- Geum (18 members)
- Hydrangeaceae (18 members)
- Eriogonum (18 members)
- Asteraceae (tribe Heliantheae) subtribe Pectidinae (18 members)
- Campylopus (18 members)
- Orthotrichaceae (18 members)
- Penstemon sect. Spectabiles (18 members)
- Silphium (17 members)
- Verbascum (17 members)
- Epilobium (17 members)
- Vernonia (17 members)
- Mammillaria (17 members)
- Hypericum sect. Brathys (17 members)
- Urochloa (17 members)
- Deinandra (17 members)
- Delphinium subsect. Grumosa (17 members)
- Luzula subg. Luzula (17 members)
- Hymenocallis (17 members)
- Fimbristylis (17 members)
- Caulanthus (17 members)
- Boerhavia (17 members)
- Grimmia subg. Rhabdogrimmia (17 members)
- Syntrichia (17 members)
- Pectis (17 members)
- Malpighiaceae (16 members)
- Salix subg. Chamaetia (16 members)
- L w ratio (16 members)
- Thelypteris (16 members)
- Verbesina (16 members)
- Juniperus sect. Sabina (16 members)
- Ptychostomum subg. Cladodium (16 members)
- Hygrohypnum (16 members)
- Araceae (16 members)
- Clarkia (16 members)
- Rhamnus (16 members)
- Polystichum (16 members)
- Stephanomeria (16 members)
- Phemeranthus (16 members)
- Chenopodium sect. Chenopodium (16 members)
- Caryophyllaceae subfam. Caryophylloideae (16 members)
- Coreopsis (16 members)
- Descurainia (16 members)
- Berberidaceae (16 members)
- Mniaceae (16 members)
- Urticaceae (16 members)
- Eriophyllum (16 members)
- Rhinotropis (16 members)
- Andropogon sect. Leptopogon (16 members)
- Tillandsia (16 members)
- Crocanthemum (16 members)
- Camissoniopsis (16 members)
- Neckeraceae (16 members)
- Zephyranthes (16 members)
- Polygonum sect. Polygonum (16 members)
- Persicaria sect. Persicaria (16 members)
- Rosaceae subfam. Amygdaloideae (16 members)
- Scleria (16 members)
- Asteraceae (tribe Heliantheae) subtribe Helianthinae (16 members)
- Arabis (16 members)
- Echinochloa (15 members)
- Eucalyptus (15 members)
- Ageratina (15 members)
- Carex sect. Laxiflorae (15 members)
- Tragia (15 members)
- Dryopteris (15 members)
- Layia (15 members)
- Oenothera sect. Gaura (15 members)
- Agoseris (15 members)
- Taraxacum (15 members)
- Amaranthus subg. Albersia (15 members)
- Ptychostomum subg. Ptychostomum (15 members)
- Zigadenus (15 members)
- Triteleia (15 members)
- Hordeum (15 members)
- Bromus sect. Bromus (15 members)
- Lessingia (15 members)
- Spergularia (15 members)
- Sclerocactus (15 members)
- Ivesia sect. Setosae (15 members)
- Structure (14 members)
- Polypodiaceae (14 members)
- Oenothera subsect. Oenothera (14 members)
- Thelypteris subg. Cyclosorus (14 members)
- Lycopodiaceae (14 members)
- Sarracenia (14 members)
- Penstemon sect. Erianthera (14 members)
- Solidago subsect. Triplinerviae (14 members)
- Amaranthus subg. Amaranthus (14 members)
- Corispermum (14 members)
- Hylocomiaceae (14 members)
- Orchidaceae (tribe Orchideae) subtribe Orchidinae (14 members)
- Clarkia sect. Phaeostoma (14 members)
- Nolina (14 members)
- Caryophyllaceae subfam. Polycarpoideae (14 members)
- Hymenopappus (14 members)
- Eleocharis (sect. Eleocharis) ser. Tenuissimae (14 members)
- Symphyotrichum sect. Occidentales (14 members)
- Callitriche (14 members)
- Crataegus (sect. Coccineae) ser. Intricatae (14 members)
- Pottiaceae subfam. Trichostomoideae (14 members)
- Brassicaceae tribe Boechereae (14 members)
- Phyllanthaceae (14 members)
- Corydalis (14 members)
- Myriophyllum (14 members)
- Asteraceae (tribe Heliantheae) subtribe Baeriinae (14 members)
- Asteraceae tribe Mutisieae (14 members)
- Lasthenia (14 members)
- Rudbeckia sect. Macrocline (14 members)
- Ludwigia (14 members)
- Juncus (14 members)
- Prenanthes (14 members)
- Moraceae (14 members)
- Camissonia (14 members)
- Rhexia (14 members)
- Brassicaceae tribe Physarieae (14 members)
- Artemisia subg. Tridentatae (14 members)
- Calliergonaceae (14 members)
- Encalypta (14 members)
- Argythamnia (14 members)
- Carex sect. Paludosae (14 members)
- Penstemon sect. Caespitosi (14 members)
- Asteraceae (tribe Heliantheae) subtribe Coreopsidinae (14 members)
- Microseris (13 members)
- Woodsia (13 members)
- Eriogonum nudum (13 members)
- Bouteloua subg. Chondrosum (13 members)
- Hymenopappus filifolius (13 members)
- Lythrum (13 members)
- Hesperolinon (13 members)
- Drymaria (13 members)
- Eriogonum microtheca (13 members)
- Rosa subg. Rosa (13 members)
- Grimmia subg. Guembelia (13 members)
- Eriochloa (13 members)
- Sphagnum sect. Subsecunda (13 members)
- Ranunculus sect. Flammula (13 members)
- Rosulabryum (13 members)
- Delphinium subsect. Subscaposa (13 members)
- Rudbeckia sect. Rudbeckia (13 members)
- Cypripedium (13 members)
- Sideroxylon (13 members)
- Papaver (13 members)
- Acleisanthes (13 members)
- Spartina (13 members)
- Delphinium subsect. Exaltata (13 members)
- Sagina (13 members)
- Seligeria (13 members)
- Arceuthobium campylopodum (13 members)
- Gratiola (13 members)
- Potentilla sect. Niveae (13 members)
- Chrysopsis (13 members)
- Alchemilla (13 members)
- Coloration (12 members)
- Pinaceae (12 members)
- Ericameria parryi (12 members)
- Ephedra (12 members)
- Horkelia sect. Horkelia (12 members)
- Polygonella (12 members)
- Eleocharis (12 members)
- Zygophyllaceae (12 members)
- Caryophyllaceae subfam. Paronychioideae (12 members)
- Rosaceae subfam. Rosoideae (12 members)
- Entosthodon (12 members)
- Eriophorum (12 members)
- Linaria (12 members)
- Phrymaceae (12 members)
- Sphagnum sect. Sphagnum (12 members)
- Crataegus (sect. Coccineae) ser. Apricae (12 members)
- Funariaceae (12 members)
- Phytolaccaceae (12 members)
- Vitaceae (12 members)
- Brassicaceae tribe Camelineae (12 members)
- Isocoma (12 members)