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- Euphorbia davidii (2 categories)
- Fragaria vesca (2 categories)
- Grindelia squarrosa (2 categories)
- Heterophyllium affine (2 categories)
- Hymenocallis henryae var. henryae (2 categories)
- Jamesia americana (2 categories)
- Lechea intermedia var. juniperina (2 categories)
- Linum hudsonioides (2 categories)
- Malvaviscus arboreus var. arboreus (2 categories)
- Minuartia nuttallii var. gracilis (2 categories)
- Nolina arenicola (2 categories)
- Orthilia (2 categories)
- Pascopyrum smithii (2 categories)
- Penstemon laricifolius (2 categories)
- Phoradendron villosum subsp. villosum (2 categories)
- Platanthera obtusata (2 categories)
- Polypodium sibiricum (2 categories)
- Pseudoclappia watsonii (2 categories)
- Ranunculus canus var. canus (2 categories)
- Rorippa curvisiliqua (2 categories)
- Salix hookeriana (2 categories)
- Aconitum columbianum subsp. viviparum (2 categories)
- Baileya multiradiata (2 categories)
- Botrychium pallidum (2 categories)
- Butomus umbellatus (2 categories)
- Carex albicans var. australis (2 categories)
- Carex sect. Dispermae (2 categories)
- Allotropa virgata (2 categories)
- Anthephora hermaphrodita (2 categories)
- Aristolochia clematitis (2 categories)
- Homaliadelphus sharpii (2 categories)
- Iodanthus pinnatifidus (2 categories)
- Keckiella ternata var. septentrionalis (2 categories)
- Leymus californicus (2 categories)
- Lycurus setosus (2 categories)
- Mentzelia longiloba var. yavapaiensis (2 categories)
- Muntingia (2 categories)
- Oenothera subsect. Raimannia (2 categories)
- Packera tomentosa (2 categories)
- Pennellia micrantha (2 categories)
- Perityle bisetosa var. bisetosa (2 categories)
- Pilularia (2 categories)
- Poaceae tribe Andropogoneae (2 categories)
- Potentilla robbinsiana (2 categories)
- Pyracantha coccinea (2 categories)
- Rhododendron arborescens (2 categories)
- Rumex hastatulus (2 categories)
- Saxifraga paniculata (2 categories)
- Senecio fremontii var. fremontii (2 categories)
- Smilax pulverulenta (2 categories)
- Spiranthes lacera (2 categories)
- Symphyotrichum tenuifolium var. aphyllum (2 categories)
- Tiarella trifoliata var. trifoliata (2 categories)
- Triticum polonicum (2 categories)
- Volutaria muricata (2 categories)
- Castilleja subinclusa var. jepsonii (2 categories)
- Chenopodium standleyanum (2 categories)
- Clarkia breweri (2 categories)
- Coreopsis sect. Coreopsis (2 categories)
- Crataegus ×rufula (2 categories)
- Cyrtomnium hymenophyllum (2 categories)
- Drymaria glandulosa (2 categories)
- Atriplex argentea var. longitrichoma (2 categories)
- Bletia patula (2 categories)
- Brodiaea appendiculata (2 categories)
- Calycadenia spicata (2 categories)
- Carex intumescens (2 categories)
- Arctostaphylos montaraensis (2 categories)
- Rosa blanda (2 categories)
- Salix monochroma (2 categories)
- Scoliopus hallii (2 categories)
- Sideroxylon tenax (2 categories)
- Spergularia atrosperma (2 categories)
- Streptanthus glandulosus subsp. josephinensis (2 categories)
- Tetraplodon paradoxus (2 categories)
- Triadica (2 categories)
- Verbesina rothrockii (2 categories)
- Zannichellia palustris (2 categories)
- Eleusine (2 categories)
- Ericameria cervina (2 categories)
- Eriogonum fasciculatum var. fasciculatum (2 categories)
- Erythranthe pardalis (2 categories)
- Ferocactus viridescens (2 categories)
- Gibasis (2 categories)
- Carphephorus odoratissimus (2 categories)
- Cerastium velutinum var. villossissimum (2 categories)
- Chylismia scapoidea subsp. utahensis (2 categories)
- Coincya (2 categories)
- Crataegus brazoria (2 categories)
- Cycloloma (2 categories)
- Descurainia longepedicellata (2 categories)
- Dodecatheon amethystinum (2 categories)
- Agrostis capillaris (2 categories)
- Echinacea atrorubens (2 categories)
- Epilobium lactiflorum (2 categories)
- Erigeron porsildii (2 categories)
- Eriogonum tenellum var. platyphyllum (2 categories)
- Euphorbia humistrata (2 categories)
- Frankenia (2 categories)
- Gunneraceae (2 categories)
- Heterotheca sessiliflora subsp. bolanderi (2 categories)
- Hymenopappus flavescens var. canotomentosus (2 categories)
- Jensia rammii (2 categories)
- Leitneriaceae (2 categories)
- Linum westii (2 categories)
- Manfreda variegata (2 categories)
- Mirabilis linearis var. subhispida (2 categories)
- Notholaena grayi subsp. sonorensis (2 categories)
- Orthotrichum alpestre (2 categories)
- Paspalum pleostachyum (2 categories)
- Penstemon montanus var. montanus (2 categories)
- Phyllanthus liebmannianus subsp. platylepis (2 categories)
- Platythelys querceticola (2 categories)
- Polystichum scopulinum (2 categories)
- Pseudognaphalium stramineum (2 categories)
- Acroptilon (2 categories)
- Barbella (2 categories)
- Bouteloua hirsuta subsp. pectinata (2 categories)
- Cakile lanceolata subsp. pseudoconstricta (2 categories)
- Carex atlantica subsp. atlantica (2 categories)
- Carex sect. Phacocystis (2 categories)
- Alopecurus (2 categories)
- Apera interrupta (2 categories)
- Arnica fulgens (2 categories)
- Glandulicactus (2 categories)
- Helianthus maximiliani (2 categories)
- Hordeum brachyantherum subsp. californicum (2 categories)
- Iris fulva (2 categories)
- Koeberlinia (2 categories)
- Liatris cymosa (2 categories)
- Lysichiton americanus (2 categories)
- Mentzelia sect. Bicuspidaria (2 categories)
- Myosurus minimus (2 categories)
- Olsynium douglasii var. douglasii (2 categories)
- Panicum anceps (2 categories)
- Penstemon ambiguus (2 categories)
- Perityle saxicola (2 categories)
- Pinus monophylla (2 categories)
- Podostemum ceratophyllum (2 categories)
- Potentilla subvahliana (2 categories)
- Pyrrocoma crocea (2 categories)
- Rhynchospora (2 categories)
- Rumex subarcticus (2 categories)
- Schisandra (2 categories)
- Senecio sheldonensis (2 categories)
- Solidago caesia (2 categories)
- Splachnum vasculosum (2 categories)
- Synthyris missurica subsp. major (2 categories)
- Timmia megapolitana subsp. bavarica (2 categories)
- Tuberaria guttata (2 categories)
- Washingtonia (2 categories)
- Catoscopium (2 categories)
- Chloris berroi (2 categories)
- Clarkia purpurea (2 categories)
- Cornus (2 categories)
- Crepis pannonica (2 categories)
- Damasonium californicum (2 categories)
- Atriplex gardneri var. welshii (2 categories)
- Boechera consanguinea (2 categories)
- Bromus briziformis (2 categories)
- Camassia (2 categories)
- Carex leptonervia (2 categories)
- Agrostis scabra (2 categories)
- Andropogon bicornis (2 categories)
- Arctostaphylos rainbowensis (2 categories)
- Pseudoleskeella (2 categories)
- Ranunculus muricatus (2 categories)
- Rosa rubiginosa var. rubiginosa (2 categories)
- Salix rotundifolia (2 categories)
- Scrophularia lanceolata (2 categories)
- Silene douglasii (2 categories)
- Sphaeralcea coulteri (2 categories)
- Strigosella (2 categories)
- Thalictrum mirabile (2 categories)
- Trichomanes krausii (2 categories)
- Veronica biloba (2 categories)
- Zeuxine (2 categories)
- Elymus canadensis var. brachystachys (2 categories)
- Ericameria nauseosa var. nauseosa (2 categories)
- Eriogonum heermannii var. floccosum (2 categories)
- Erythronium elegans (2 categories)
- Carya ovata (2 categories)
- Cercocarpus montanus (2 categories)
- Cinnamomum (2 categories)
- Collinsia sparsiflora var. collina (2 categories)
- Crataegus crocea (2 categories)
- Cylindropuntia prolifera (2 categories)
- Dianthus plumarius subsp. plumarius (2 categories)
- Doellingeria umbellata (2 categories)
- Echinocereus papillosus (2 categories)
- Epilobium torreyi (2 categories)
- Erigeron sionis var. trilobatus (2 categories)
- Eriogonum umbellatum var. dichrocephalum (2 categories)
- Euphorbia ocellata (2 categories)
- Fritillaria pinetorum (2 categories)
- Gymnopogon chapmanianus (2 categories)
- Heuchera caespitosa (2 categories)
- Hymenoxys helenioides (2 categories)
- Juncus arcticus var. mexicanus (2 categories)
- Lepidium crenatum (2 categories)
- Lithocarpus densiflorus var. echinoides (2 categories)
- Marshallia ramosa (2 categories)
- Mitella diversifolia (2 categories)
- Nymphaea mexicana (2 categories)
- Orthotrichum pumilum (2 categories)
- Passiflora filipes (2 categories)
- Penstemon parryi (2 categories)
- Physaria arizonica (2 categories)
- Pleuropogon (2 categories)
- Dasistoma macrophyllum (2 categories)
- Dieteria bigelovii var. mucronata (2 categories)
- Adiantum tenerum (2 categories)
- Basiphyllaea (2 categories)
- Brachymenium (2 categories)
- Calamagrostis stricta subsp. inexpansa (2 categories)
- Carex bromoides subsp. bromoides (2 categories)
- Althaea (2 categories)
- Aponogeton (2 categories)
- Arnoseris (2 categories)
- Erythronium umbilicatum (2 categories)
- Festuca saximontana (2 categories)
- Glyceria borealis (2 categories)
- Helianthus smithii (2 categories)
- Horkelia daucifolia (2 categories)
- Iris versicolor (2 categories)
- Krigia cespitosa var. gracilis (2 categories)
- Liatris savannensis (2 categories)
- Lythrum lineare (2 categories)
- Meximalva (2 categories)
- Myrsinaceae (2 categories)
- Ophioglossum nudicaule (2 categories)
- Panicum miliaceum subsp. miliaceum (2 categories)
- Penstemon barrettiae (2 categories)
- Piperia cooperi (2 categories)
- Pohlia longicolla (2 categories)
- Pottiaceae subfam. Trichostomoideae (2 categories)
- Pyrus pyrifolia (2 categories)
- Rhynchospora globularis var. saxicola (2 categories)
- Saccharum baldwinii (2 categories)
- Schistidium strictum (2 categories)
- Sesleria heufleriana (2 categories)
- Solidago lepida subsp. lepida (2 categories)
- Sporobolus silveanus (2 categories)
- Syntrichopappus fremontii (2 categories)
- Tomentypnum falcifolium (2 categories)
- Ulmus glabra (2 categories)
- Wislizenia refracta (2 categories)
- Ceanothus confusus (2 categories)
- Chloropyron maritimum (2 categories)
- Clarkia subsect. Sympherica (2 categories)
- Cortaderia selloana (2 categories)
- Abronia latifolia (2 categories)
- Atriplex parishii var. depressa (2 categories)
- Boechera hoffmannii (2 categories)
- Bromus nottowayanus (2 categories)
- Camissonia lacustris (2 categories)
- Carex media (2 categories)
- Aletris (2 categories)
- Androsace filiformis (2 categories)
- Ardisia elliptica (2 categories)
- Pluchea longifolia (2 categories)
- Porophyllum (2 categories)
- Pseudotsuga menziesii var. glauca (2 categories)
- Ranunculus sceleratus (2 categories)
- Rosaceae subfam. Rosoideae (2 categories)
- Salix sect. Setchellianae (2 categories)
- Sedum laxum var. flavidum (2 categories)
- Silene occidentalis (2 categories)
- Sphaeromeria compacta (2 categories)
- Styrax redivivus (2 categories)
- Theliaceae (2 categories)
- Tridens (2 categories)
- Vesicularia vesicularis (2 categories)
- Zizania latifolia (2 categories)
- Elymus riparius (2 categories)
- Ericameria suffruticosa (2 categories)
- Castilleja (2 categories)
- Chaenactis thompsonii (2 categories)
- Cirsium crassicaule (2 categories)
- Comarum (2 categories)
- Crataegus ignava (2 categories)
- Cynodon ×magennisii (2 categories)
- Dichanthelium aciculare (2 categories)
- Draba arabisans (2 categories)
- Calepina irregularis (2 categories)
- Carex castanea (2 categories)
- Echinocystis lobata (2 categories)
- Equisetum telmateia subsp. braunii (2 categories)
- Erigeron vicinus (2 categories)
- Eriogonum ursinum var. ursinum (2 categories)
- Euphorbia sect. Crepidaria (2 categories)
- Funaria (2 categories)
- Haemodoraceae (2 categories)
- Heuchera villosa (2 categories)
- Hypericum chapmanii (2 categories)
- Juncus ensifolius (2 categories)
- Lepidium strictum (2 categories)
- Loeskypnum wickesiae (2 categories)
- Mayacaceae (2 categories)
- Molendoa sendtneriana (2 categories)
- Oemleria cerasiformis (2 categories)
- Osmunda regalis var. spectabilis (2 categories)
- Paysonia lyrata (2 categories)
- Penstemon radicosus (2 categories)
- Claytonia exigua subsp. glauca (2 categories)
- Corydalis micrantha subsp. texensis (2 categories)
- Croptilon hookerianum var. validum (2 categories)
- Deinandra increscens subsp. villosa (2 categories)
- Digitaria filiformis var. filiformis (2 categories)
- Agalinis caddoensis (2 categories)
- Bellis perennis (2 categories)
- Brachythecium erythrorrhizon (2 categories)
- Amaranthus floridanus (2 categories)
- Aquilegia saximontana (2 categories)
- Artemisia cana subsp. viscidula (2 categories)
- Elymus virginicus var. jejunus (2 categories)
- Erigeron arenarioides (2 categories)
- Eriogonum leptocladon var. ramosissimum (2 categories)
- Eucalyptus robusta (2 categories)
- Ficus carica (2 categories)
- Gochnatia (2 categories)
- Helminthotheca echioides (2 categories)
- Horkeliella (2 categories)
- Isolepis carinata (2 categories)
- Lactuca ludoviciana (2 categories)
- Lilium humboldtii (2 categories)
- Madia elegans (2 categories)
- Micranthes nelsoniana var. cascadensis (2 categories)
- Narcissus papyraceus (2 categories)
- Opuntia humifusa var. humifusa (2 categories)
- Panicum subg. Panicum (2 categories)
- Penstemon comarrhenus (2 categories)
- Petasites frigidus var. ×vitifolius (2 categories)
- Piriqueta cistoides subsp. caroliniana (2 categories)
- Polyctenium (2 categories)
- Primula cuneifolia subsp. saxifragifolia (2 categories)
- Quercus ellipsoidalis (2 categories)
- Rhynchospora pusilla (2 categories)
- Sagina japonica (2 categories)
- Schkuhria pinnata (2 categories)
- Setaria scheelei (2 categories)
- Solidago rigida subsp. glabrata (2 categories)
- Steinchisma (2 categories)
- Talinum fruticosum (2 categories)
- Tortella tortuosa var. fragilifolia (2 categories)
- Urochloa ciliatissima (2 categories)
- Woodsia scopulina subsp. scopulina (2 categories)
- Ceanothus integerrimus (2 categories)
- Chorizanthe fimbriata (2 categories)
- Abutilon theophrasti (2 categories)
- Atriplex semibaccata (2 categories)
- Boechera platysperma (2 categories)
- Campylium protensum (2 categories)
- Carex nelsonii (2 categories)
- Allium bigelovii (2 categories)
- Anemone multifida var. multifida (2 categories)
- Arenaria paludicola (2 categories)
- Pectis linifolia (2 categories)
- Penstemon scariosus (2 categories)
- Physaria humilis (2 categories)
- Poa autumnalis (2 categories)
- Potamogeton floridanus (2 categories)
- Pteridaceae (2 categories)
- Ratibida (2 categories)
- Rotala (2 categories)
- Salix ×fragilis (2 categories)
- Sedum rupicola (2 categories)
- Silene uralensis subsp. ogilviensis (2 categories)
- Suriana maritima (2 categories)
- Thelypodium paniculatum (2 categories)
- Trillium cuneatum (2 categories)
- Viola epipsila (2 categories)
- Zygodon viridissimus (2 categories)
- Castilleja chrymactis (2 categories)
- Chamaedaphne (2 categories)
- Cirsium horridulum var. horridulum (2 categories)
- Condalia warnockii (2 categories)
- Crataegus mollis (2 categories)
- Cyperus digitatus (2 categories)
- Dichanthelium dichotomum subsp. mattamuskeetense (2 categories)
- Draba cyclomorpha (2 categories)
- Berberis nervosa (2 categories)
- Brassia (2 categories)
- Callisia fragrans (2 categories)
- Carex cumberlandensis (2 categories)
- Xanthisma grindelioides var. grindeloides (2 categories)
- Egeria densa (2 categories)
- Eragrostis japonica (2 categories)
- Eriochloa pseudoacrotricha (2 categories)
- Eriophorum crinigerum (2 categories)
- Euphorbia wrightii (2 categories)
- Galax urceolata (2 categories)
- Hamatocaulis (2 categories)
- Hibiscus clypeatus subsp. clypeatus (2 categories)
- Hypericum mutilum subsp. mutilum (2 categories)
- Juncus nodatus (2 categories)
- Leptodictyum wallacei (2 categories)
- Ludwigia (2 categories)
- Melaleuca linariifolia (2 categories)
- Monotropa hypopitys (2 categories)
- Oenothera cordata (2 categories)
- Oxalis hirta var. hirta (2 categories)
- Ceanothus papillosus (2 categories)
- Chorizanthe rigida (2 categories)
- Cleistocarpidium (2 categories)
- Coryphantha vivipara (2 categories)
- Croton glandulosus var. arenicola (2 categories)
- Delphinium carolinianum subsp. calciphilum (2 categories)
- Dimorphotheca sinuata (2 categories)
- Agalinis tenella (2 categories)
- Amberboa moschata (2 categories)
- Arachniodes (2 categories)
- Artemisia pedatifida (2 categories)
- Drymocallis pseudorupestris var. pseudorupestris (2 categories)
- Encalypta mutica (2 categories)
- Erigeron chrysopsidis var. austiniae (2 categories)
- Eriogonum microthecum var. phoeniceum (2 categories)
- Eucnide urens (2 categories)
- Fimbristylis tomentosa (2 categories)
- Gouania lupuloides (2 categories)
- Herbertia (2 categories)
- Hulsea vestita subsp. inyoensis (2 categories)
- Isoëtes lacustris (2 categories)
- Laportea canadensis (2 categories)
- Limnanthes alba subsp. gracilis (2 categories)
- Malacothamnus aboriginum (2 categories)
- Microbryum floerkeanum (2 categories)
- Neckeropsis (2 categories)
- Orchidaceae (tribe Cranichideae) subtribe Prescottiinae (2 categories)
- Papaver sect. Meconella (2 categories)
- Penstemon deustus var. variabilis (2 categories)
- Phalaris lemmonii (2 categories)
- Plagiobryoides renauldii (2 categories)
- Polygala vulgaris (2 categories)
- Prosthechea cochleata (2 categories)
- Quercus margarettae (2 categories)
- Ribes binominatum (2 categories)
- Sagittaria latifolia (2 categories)
- Schoenoplectus sect. Actaeogeton (2 categories)
- Shinnersoseris rostrata (2 categories)
- Solidago speciosa subsp. pallida (2 categories)
- Stellaria palustris (2 categories)
- Taraxacum latilobum (2 categories)
- Townsendia aprica (2 categories)
- Vaccaria (2 categories)
- Acanthocereus tetragonus (2 categories)
- Agave americana var. expansa (2 categories)
- Ambrosia acanthicarpa (2 categories)
- Arceuthobium campylopodum subsp. blumeri (2 categories)
- Artemisia spiciformis (2 categories)
- Encelia farinosa (2 categories)
- Erigeron concinnus var. subglaber (2 categories)
- Eriogonum nealleyi (2 categories)
- Eulobus californicus (2 categories)
- Fissidens arcticus (2 categories)
- Gratiola brevifolia (2 categories)
- Herniaria hirsuta (2 categories)
- Humulus lupulus var. neomexicanus (2 categories)
- Isoëtes tegetiformans (2 categories)
- Larrea tridentata (2 categories)
- Limnanthes floccosa subsp. bellingeriana (2 categories)
- Malacothrix clevelandii (2 categories)
- Micromitrium megalosporum (2 categories)
- Nelumbo nucifera (2 categories)
- Orchidaceae (tribe Neottieae) subtribe Limodorinae (2 categories)
- Paraleucobryum (2 categories)
- Penstemon eatonii var. undosus (2 categories)
- Phedimus aizoon (2 categories)
- Plagiomnium floridanum (2 categories)
- Polygonatum pubescens (2 categories)
- Prunus cerasifera (2 categories)
- Quercus pacifica (2 categories)
- Ribes diacanthum (2 categories)
- Sagittaria subulata (2 categories)
- Schoenoplectus triqueter (2 categories)
- Sibbaldia procumbens (2 categories)
- Solidago subsect. Argutae (2 categories)
- Stenanthium (2 categories)
- Taraxia tanacetifolia (2 categories)
- Townsendia incana (2 categories)
- Acaulon (2 categories)
- Aureolaria levigata (2 categories)
- Boerhavia coulteri var. coulteri (2 categories)
- Bryophyllum (2 categories)
- Canella (2 categories)
- Carex perdentata (2 categories)
- Allium haematochiton (2 categories)
- Anoda lanceolata (2 categories)
- Argyrochosma limitanea (2 categories)
- Mucronea californica (2 categories)
- Oenothera grandis (2 categories)
- Oxytenia acerosa (2 categories)
- Pedicularis howellii (2 categories)
- Penstemon superbus (2 categories)
- Physaria prostrata (2 categories)
- Poa leptocoma (2 categories)
- Potentilla arenosa subsp. arenosa (2 categories)
- Ptychomitrium gardneri (2 categories)
- Rhamnus davurica (2 categories)
- Rubus phoenicolasius (2 categories)