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- Ceanothus lemmonii (8 revisions)
- Pyrrocoma carthamoides var. carthamoides (8 revisions)
- Jamesia tetrapetala (8 revisions)
- Caperonia (8 revisions)
- Solidago ulmifolia var. ulmifolia (8 revisions)
- Heterotheca oregona var. oregona (8 revisions)
- Neviusia cliftonii (8 revisions)
- Crataegus douglasii (8 revisions)
- Roldana (8 revisions)
- Potentilla sect. Graciles (8 revisions)
- Horkeliella (8 revisions)
- Crataegus chrysocarpa var. vigintistamina (8 revisions)
- Antigonon leptopus (8 revisions)
- Aconogonon phytolaccifolium var. phytolaccifolium (8 revisions)
- Sphagnum mcqueenii (8 revisions)
- Cordylanthus tenuis subsp. viscidus (8 revisions)
- Thesiaceae Illustrations (8 revisions)
- Smilax auriculata (8 revisions)
- Schistidium frigidum (8 revisions)
- Halogeton (8 revisions)
- Seymeria pectinata subsp. pectinata (8 revisions)
- Penstemon utahensis (8 revisions)
- Penstemon incertus (8 revisions)
- Hymenocallis occidentalis var. occidentalis (8 revisions)
- Iris subg. Iris (8 revisions)
- Cryphaea nervosa (8 revisions)
- Spinacia oleracea (8 revisions)
- Orchidaceae tribe Vandeae (8 revisions)
- Triantha occidentalis subsp. brevistyla (8 revisions)
- Campylophyllum (8 revisions)
- Pseudoscleropodium (8 revisions)
- Platanthera dilatata var. leucostachys (8 revisions)
- Splachnobryum (8 revisions)
- Ptychostomum rutilans (8 revisions)
- Ribes niveum (8 revisions)
- Arabis blepharophylla (8 revisions)
- Saxifraga hirculus (8 revisions)
- Manilkara (8 revisions)
- Physaria parviflora (8 revisions)
- Salix scouleriana (8 revisions)
- Subularia (8 revisions)
- Vaccinium uliginosum (8 revisions)
- Carex muricata subsp. lamprocarpa (8 revisions)
- Carex scopulorum var. prionophylla (8 revisions)
- Malacothamnus densiflorus (8 revisions)
- Lechea intermedia var. laurentiana (8 revisions)
- Boechera repanda (8 revisions)
- Carex sect. Lamprochlaenae (8 revisions)
- Cyperus erythrorhizos (8 revisions)
- Turneraceae (8 revisions)
- Najas filifolia (8 revisions)
- Symplocarpus foetidus (8 revisions)
- Symphyotrichum priceae (8 revisions)
- Hymenopappus artemisiifolius var. artemisiifolius (8 revisions)
- Florestina (8 revisions)
- Pseudognaphalium arizonicum (8 revisions)
- Artemisia ludoviciana subsp. albula (8 revisions)
- Helianthus porteri (8 revisions)
- Pectis imberbis (8 revisions)
- Malacothrix saxatilis var. tenuifolia (8 revisions)
- Eupatorium petaloideum (8 revisions)
- Ageratina altissima var. roanensis (8 revisions)
- Vitis rupestris (8 revisions)
- Euphorbia villifera (8 revisions)
- Ericameria (8 revisions)
- Pyrrocoma integrifolia (8 revisions)
- Euphorbia polycarpa var. polycarpa (8 revisions)
- Santalum album (8 revisions)
- Baccharis vanessae (8 revisions)
- Heterotheca fulcrata var. amplifolia (8 revisions)
- Crataegus succulenta var. pisifera (8 revisions)
- Simmondsia chinensis (8 revisions)
- Rugelia nudicaulis (8 revisions)
- Potentilla drummondii (8 revisions)
- Fragaria virginiana subsp. grayana (8 revisions)
- Adenostoma sparsifolium (8 revisions)
- Crataegus brittonii (8 revisions)
- Arenaria humifusa (8 revisions)
- Limonium (8 revisions)
- Campylopus introflexus (8 revisions)
- Mohavea breviflora (8 revisions)
- Bellardia viscosa (8 revisions)
- Smilax pumila (8 revisions)
- Schistidium tenerum (8 revisions)
- Amaranthus sect. Acnida (8 revisions)
- Castilleja angustifolia var. angustifolia (8 revisions)
- Penstemon deaveri (8 revisions)
- Tonella floribunda (8 revisions)
- Hymenocallis henryae var. henryae (8 revisions)
- Iris tridentata (8 revisions)
- Nogopterium gracile (8 revisions)
- Bassia hyssopifolia (8 revisions)
- Orchidaceae (tribe Cranichideae) subtribe Goodyerinae (8 revisions)
- Hypoxis juncea (8 revisions)
- Echinophyllum sachalinense (8 revisions)
- Sciuro-hypnum curtum (8 revisions)
- Platanthera flava var. herbiola (8 revisions)
- Calymperaceae (8 revisions)
- Leptobryum pyriforme (8 revisions)
- Ericaceae (8 revisions)
- Anoectangium aestivum (8 revisions)
- Saxifraga taylorii (8 revisions)
- Sideroxylon reclinatum subsp. reclinatum (8 revisions)
- Carex hystericina (8 revisions)
- Physaria saximontana subsp. dentata (8 revisions)
- Salix arbusculoides (8 revisions)
- Cochlearia groenlandica (8 revisions)
- Vaccinium crassifolium (8 revisions)
- Carex disperma (8 revisions)
- Carex sabulosa (8 revisions)
- Malva pusilla (8 revisions)
- Lechea sessiliflora (8 revisions)
- Boechera subpinnatifida (8 revisions)
- Carex latebracteata (8 revisions)
- Cyperus hypopitys (8 revisions)
- Begonia hirtella (8 revisions)
- Passiflora sexflora (8 revisions)
- Alisma subcordatum (8 revisions)
- Typha (8 revisions)
- Ericameria nauseosa var. psilocarpa (8 revisions)
- Perityle rupestris (8 revisions)
- Gamochaeta (8 revisions)
- Artemisia stelleriana (8 revisions)
- Helianthus praecox subsp. hirtus (8 revisions)
- Porophyllum greggii (8 revisions)
- Crepis biennis (8 revisions)
- Agoseris glauca var. dasycephala (8 revisions)
- Eutrochium maculatum var. maculatum (8 revisions)
- Asteraceae (tribe Heliantheae) subtribe Zaluzaniinae (8 revisions)
- Mentzelia montana (8 revisions)
- Erigeron formosissimus var. viscidus (8 revisions)
- Pyrrocoma uniflora var. gossypina (8 revisions)
- Nekemias arborea (8 revisions)
- Rhamnus pirifolia (8 revisions)
- Heterotheca villosa var. depressa (8 revisions)
- Crataegus (sect. Coccineae) ser. Virides (8 revisions)
- Mentzelia uintahensis (8 revisions)
- Ericameria parryi var. vulcanica (8 revisions)
- Spiraea corymbosa (8 revisions)
- Crataegus ignava (8 revisions)
- Potentilla arizonica (8 revisions)
- Rumex venosus (8 revisions)
- Eremogone congesta var. simulans (8 revisions)
- Cynodontium gracilescens (8 revisions)
- Euphrasia ostenfeldii (8 revisions)
- Arctostaphylos nevadensis subsp. nevadensis (8 revisions)
- Andreaeaceae (8 revisions)
- Grimmia elongata (8 revisions)
- Amaranthus wrightii (8 revisions)
- Castilleja campestris var. succulenta (8 revisions)
- Penstemon leiophyllus var. leiophyllus (8 revisions)
- Bacopa repens (8 revisions)
- Zephyranthes grandiflora (8 revisions)
- Iris innominata (8 revisions)
- Orthotrichum rupestre (8 revisions)
- Corispermum welshii (8 revisions)
- Scoliopus bigelovii (8 revisions)
- Maianthemum racemosum subsp. amplexicaule (8 revisions)
- Macrocoma tenuis (8 revisions)
- Stereophyllum (8 revisions)
- Platanthera clavellata (8 revisions)
- Sphagnum rubellum (8 revisions)
- Pseudoditrichum mirabile (8 revisions)
- Chimaphila menziesii (8 revisions)
- Barbula convoluta var. eustegia (8 revisions)
- Draba californica (8 revisions)
- Paeonia brownii (8 revisions)
- Diospyros texana (8 revisions)
- Sisymbrium (8 revisions)
- Salix sect. Viminella (8 revisions)
- Descurainia kenheilii (8 revisions)
- Gaylussacia orocola (8 revisions)
- Carex pansa (8 revisions)
- Carex nelsonii (8 revisions)
- Malvella lepidota (8 revisions)
- Cayaponia (8 revisions)
- Nevada holmgrenii (8 revisions)
- Carex sect. Capituligerae (8 revisions)
- Cyperus owanii (8 revisions)
- Hypericum frondosum (8 revisions)
- Marah oregana (8 revisions)
- Arecaceae (8 revisions)
- Catopsis nutans (8 revisions)
- Symphyotrichum novi-belgii var. crenifolium (8 revisions)
- Perityle vaseyi (8 revisions)
- Arecaceae (tribe Corypheae) subtribe Livistoninae (8 revisions)
- Omalotheca norvegica (8 revisions)
- Cirsium perplexans (8 revisions)
- Helianthus atrorubens (8 revisions)
- Thymophylla (8 revisions)
- Crepis occidentalis subsp. occidentalis (8 revisions)
- Cirsium (8 revisions)
- Tamaulipa (8 revisions)
- Zinnia acerosa (8 revisions)
- Viscum album subsp. album (8 revisions)
- Pyrularia pubera (8 revisions)
- Erigeron bellidiastrum var. bellidiastrum (8 revisions)
- Grindelia integrifolia (8 revisions)
- Garryaceae (8 revisions)
- Euphorbia vermiculata (8 revisions)
- Solidago velutina subsp. sparsiflora (8 revisions)
- Erigeron oreophilus (8 revisions)
- Tragia leptophylla (8 revisions)
- Petasites (8 revisions)
- Drymocallis campanulata (8 revisions)
- Rubus pensilvanicus (8 revisions)
- Crataegus invicta (8 revisions)
- Rosaceae (8 revisions)
- Rumex transitorius (8 revisions)
- Dicranella rufescens (8 revisions)
- Phryma (8 revisions)
- Odontites (8 revisions)
- Arctostaphylos bakeri subsp. sublaevis (8 revisions)
- Andreaeobryum (8 revisions)
- Grimmia serrana (8 revisions)
- Castilleja cryptantha (8 revisions)
- Penstemon pennellianus (8 revisions)
- Gratiola torreyi (8 revisions)
- Camassia quamash (8 revisions)
- Iris savannarum (8 revisions)
- Porotrichum bigelovii (8 revisions)
- Allenrolfea occidentalis (8 revisions)
- Keckiella breviflora var. breviflora (8 revisions)
- Haemodoraceae (8 revisions)
- Echeandia texensis (8 revisions)
- Claopodium bolanderi (8 revisions)
- Meteoriaceae (8 revisions)
- Trillium subg. Phyllantherum (8 revisions)
- Orthotrichum striatum (8 revisions)
- Pohlia ludwigii (8 revisions)
- Monotropsis (8 revisions)
- Didymodon rigidulus var. ditrichoides (8 revisions)
- Draba cyclomorpha (8 revisions)
- Cotyledon orbiculata (8 revisions)
- Primulaceae (8 revisions)
- Smelowskia ovalis (8 revisions)
- Salix sect. Griseae (8 revisions)
- Salix petrophila (8 revisions)
- Ericaceae subfam. Monotropoideae (8 revisions)
- Carex rariflora (8 revisions)
- Carex extensa (8 revisions)
- Pseudabutilon (8 revisions)
- Crocanthemum suffrutescens (8 revisions)
- Brassica nigra (8 revisions)
- Eleocharis compressa var. compressa (8 revisions)
- Carex perglobosa (8 revisions)
- Hypericum buckleyi (8 revisions)
- Fremontodendron (8 revisions)
- Phyllospadix scouleri (8 revisions)
- Symphyotrichum hallii (8 revisions)
- Perityle inyoensis (8 revisions)
- Xyris elliottii (8 revisions)
- Logfia gallica (8 revisions)
- Cota tinctoria (8 revisions)
- Helianthus pauciflorus subsp. subrhomboideus (8 revisions)
- Smallanthus (8 revisions)
- Crepis runcinata subsp. hallii (8 revisions)
- Silphium laciniatum (8 revisions)
- Ceanothus cordulatus (8 revisions)
- Euphorbia maculata (8 revisions)
- Erigeron annuus (8 revisions)
- Hulsea vestita subsp. gabrielensis (8 revisions)
- Euphorbia longicruris (8 revisions)
- Croton heptalon (8 revisions)
- Solidago nitida (8 revisions)
- Erigeron lassenianus var. lassenianus (8 revisions)
- Geum peckii (8 revisions)
- Kallstroemia californica (8 revisions)
- Ericameria watsonii (8 revisions)
- Alchemilla alpina (8 revisions)
- Crataegus exilis (8 revisions)
- Potentilla rimicola (8 revisions)
- Cerastium (8 revisions)
- Dicranum scoparium (8 revisions)
- Erythranthe discolor (8 revisions)
- Pedicularis (8 revisions)
- Arctostaphylos glandulosa subsp. glandulosa (8 revisions)
- Rumex praecox (8 revisions)
- Oedipodium griffithianum (8 revisions)
- Grimmia muehlenbeckii (8 revisions)
- Penstemon tidestromii (8 revisions)
- Schistophragma intermedium (8 revisions)
- Camassia cusickii (8 revisions)
- Zigadenus fremontii (8 revisions)
- Leptodontaceae (8 revisions)
- Atriplex prostrata (8 revisions)
- Penstemon davidsonii var. davidsonii (8 revisions)
- Calochortus greenei (8 revisions)
- Hesperocallis undulata (8 revisions)
- Leskeella nervosa (8 revisions)
- Brachelyma (8 revisions)
- Epipactis atrorubens (8 revisions)
- Ulota megalospora (8 revisions)
- Pohlia proligera (8 revisions)
- Comarostaphylis diversifolia subsp. planifolia (8 revisions)
- Didymodon vinealis var. rubiginosus (8 revisions)
- Draba howellii (8 revisions)
- Hylotelephium erythrostictum (8 revisions)
- Douglasia beringensis (8 revisions)
- Caulanthus hallii (8 revisions)
- Tropaeolaceae (8 revisions)
- Erysimum coarctatum (8 revisions)
- Micranthes careyana (8 revisions)
- Carex spissa (8 revisions)
- Eleocharis macrostachya (8 revisions)
- Sida lindheimeri (8 revisions)
- Tamarix parviflora (8 revisions)
- Lipocarpha micrantha (8 revisions)
- Carex canescens subsp. canescens (8 revisions)
- Hypericum hypericoides subsp. hypericoides (8 revisions)
- Triumfetta rhomboidea (8 revisions)
- Eriocaulon aquaticum (8 revisions)
- Eleocharis (sect. Eleocharis) ser. Rostellatae (8 revisions)
- Symphyotrichum defoliatum (8 revisions)
- Perityle lindheimeri var. lindheimeri (8 revisions)
- Tillandsia fasciculata var. fasciculata (8 revisions)
- Juncus capitatus (8 revisions)
- Glebionis segetum (8 revisions)
- Helianthus verticillatus (8 revisions)
- Flaveria brownii (8 revisions)
- Taraxacum californicum (8 revisions)
- Microseris elegans (8 revisions)
- Isocarpha oppositifolia var. achyranthes (8 revisions)
- Silphium brachiatum (8 revisions)
- Vitis rotundifolia var. munsoniana (8 revisions)
- Cirsium inamoenum var. inamoenum (8 revisions)
- Aphanostephus (8 revisions)
- Rudbeckia mohrii (8 revisions)
- Frangula californica subsp. occidentalis (8 revisions)
- Cornus subg. Syncarpea (8 revisions)
- Toiyabea alpina (8 revisions)
- Erigeron poliospermus var. poliospermus (8 revisions)
- Crataegus mollis var. dumetosa (8 revisions)
- Phyllanthus ericoides (8 revisions)
- Gundlachia (8 revisions)
- Aphanes (8 revisions)
- Rosaceae tribe Gillenieae (8 revisions)
- Fallugia paradoxa (8 revisions)
- Potentilla fragiformis (8 revisions)
- Cerastium cerastoides (8 revisions)
- Dicranum acutifolium (8 revisions)
- Erythranthe lewisii (8 revisions)
- Cassiope mertensiana subsp. californica (8 revisions)
- Rumex conglomeratus (8 revisions)
- Polytrichastrum papillatum (8 revisions)
- Jaffueliobryum (8 revisions)
- Tidestromia lanuginosa (8 revisions)
- Castilleja hololeuca (8 revisions)
- Penstemon attenuatus var. militaris (8 revisions)
- Lindernia grandiflora (8 revisions)
- Pedicularis bracteosa var. pachyrhiza (8 revisions)
- Veratrum album (8 revisions)
- Freesia laxa (8 revisions)
- Anomodon thraustus (8 revisions)
- Atriplex semibaccata (8 revisions)
- Capraria biflora (8 revisions)
- Calochortus venustus (8 revisions)
- Allium canadense var. hyacinthoides (8 revisions)
- Pseudoleskea radicosa var. compacta (8 revisions)
- Fontinalis sphagnifolia (8 revisions)
- Triphora (8 revisions)
- Hedwigia ciliata (8 revisions)
- Cinclidium latifolium (8 revisions)
- Arctostaphylos pungens (8 revisions)
- Didymodon asperifolius (8 revisions)
- Draba malpighiacea (8 revisions)
- Jovibarba (8 revisions)
- Dodecatheon clevelandii var. insulare (8 revisions)
- Hesperidanthus (8 revisions)
- Limnanthes sect. Limnanthes (8 revisions)
- Braya fernaldii (8 revisions)
- Micranthes hieraciifolia (8 revisions)
- Cucumis myriocarpus (8 revisions)
- Drosera rotundifolia (8 revisions)
- Eruca (8 revisions)
- Rhynchospora macrostachya (8 revisions)
- Luffa aegyptiaca (8 revisions)
- Melochia (8 revisions)
- Juncus compressus (8 revisions)
- Eleocharis intermedia (8 revisions)
- Senecio amplectens var. holmii (8 revisions)
- Stuckenia pectinata (8 revisions)
- Echinodorus berteroi (8 revisions)
- Cirsium tracyi (8 revisions)
- Xanthocephalum gymnospermoides (8 revisions)
- Heliomeris soliceps (8 revisions)
- Jaumea carnosa (8 revisions)
- Onopordum (8 revisions)
- Stephanomeria exigua subsp. carotifera (8 revisions)
- Brickellia coulteri var. coulteri (8 revisions)
- Asteraceae (tribe Heliantheae) subtribe Ambrosiinae (8 revisions)
- Cornus subg. Mesomora (8 revisions)
- Cirsium andrewsii (8 revisions)
- Boltonia asteroides var. latisquama (8 revisions)
- Chaenactis glabriuscula var. lanosa (8 revisions)
- Ceanothus ferrisiae (8 revisions)
- Euphorbia tithymaloides subsp. smallii (8 revisions)
- Erigeron concinnus var. concinnus (8 revisions)
- Acalypha monococca (8 revisions)
- Gutierrezia sphaerocephala (8 revisions)
- Poterium sanguisorba var. polygamum (8 revisions)
- Sorbus subg. Torminaria (8 revisions)
- Amelanchier pallida (8 revisions)
- Potentilla arenosa subsp. arenosa (8 revisions)
- Cerastium regelii (8 revisions)
- Kiaeria (8 revisions)
- Erythranthe taylorii (8 revisions)
- Ribes (8 revisions)
- Arenaria paludicola (8 revisions)
- Polytrichum jensenii (8 revisions)
- Bucklandiella pacifica (8 revisions)
- Alternanthera ficoidea var. bettzickiana (8 revisions)
- Castilleja linariifolia (8 revisions)
- Plantago indica (8 revisions)
- Pedicularis cystopteridifolia (8 revisions)
- Muscari neglectum (8 revisions)
- Mammillaria (8 revisions)
- Atriplex saccaria var. saccaria (8 revisions)
- Penstemon abietinus (8 revisions)
- Calochortus invenustus (8 revisions)
- Allium tuberosum (8 revisions)
- Heterocladium (8 revisions)
- Entodon concinnus (8 revisions)
- Erythranthe arenaria (8 revisions)
- Burmannia (8 revisions)
- Calopogon pallidus (8 revisions)
- Arrhenopterum heterostichum (8 revisions)
- Mnium spinosum (8 revisions)
- Arctostaphylos parryana (8 revisions)
- Pseudocrossidium obtusulum (8 revisions)
- Draba oxycarpa (8 revisions)
- Dudleya cymosa subsp. cymosa (8 revisions)
- Dodecatheon pulchellum var. monanthum (8 revisions)
- Salix pseudomonticola (8 revisions)
- Limnanthes alba subsp. parishii (8 revisions)
- Braya thorild-wulffii subsp. thorild-wulffii (8 revisions)
- Chrysosplenium americanum (8 revisions)
- Carex ormostachya (8 revisions)
- Sidalcea hartwegii (8 revisions)
- Cucurbita pepo subsp. pepo (8 revisions)
- Rhynchospora floridensis (8 revisions)
- Abutilon abutiloides (8 revisions)
- Elodea (8 revisions)
- Eleocharis ovata (8 revisions)
- Senecio integerrimus var. integerrimus (8 revisions)
- Pistia stratiotes (8 revisions)
- Arecaceae (tribe Areceae) subtribe Dypsidinae (8 revisions)
- Hesperevax acaulis var. robustior (8 revisions)
- Isocoma menziesii var. sedoides (8 revisions)
- Lagophylla ramosissima (8 revisions)
- Lasthenia glabrata subsp. coulteri (8 revisions)
- Lactuca virosa (8 revisions)
- Stephanomeria virgata subsp. virgata (8 revisions)
- Echinacea purpurea (8 revisions)
- Bahiopsis (8 revisions)
- Celastrus scandens (8 revisions)
- Cirsium longistylum (8 revisions)
- Oreostemma elatum (8 revisions)
- Balduina angustifolia (8 revisions)
- Brickellia floribunda (8 revisions)
- Condalia globosa var. pubescens (8 revisions)
- Colubrina stricta (8 revisions)
- Pentachaeta (8 revisions)
- Crataegus (sect. Coccineae) ser. Populneae (8 revisions)
- Linum imbricatum (8 revisions)
- Euthamia (8 revisions)
- Rosaceae tribe Dryadeae (8 revisions)
- Sorbus sect. Tianshanicae (8 revisions)
- Amelanchier nantucketensis (8 revisions)
- Potentilla paucijuga (8 revisions)
- Drymaria (8 revisions)
- Paraleucobryum enerve (8 revisions)
- Rhododendron alabamense (8 revisions)
- Polygonella parksii (8 revisions)
- Psilopilum cavifolium (8 revisions)
- Niphotrichum canescens subsp. latifolium (8 revisions)
- Iresine (8 revisions)
- Linaria repens (8 revisions)
- Plantago tweedyi (8 revisions)
- Pedicularis langsdorffii subsp. arctica (8 revisions)
- Melanthium virginicum (8 revisions)
- Nolina cismontana (8 revisions)
- Atriplex subsect. Truncatae (8 revisions)
- Penstemon linarioides var. coloradoensis (8 revisions)
- Penstemon gracilis (8 revisions)
- Calochortus gunnisonii var. gunnisonii (8 revisions)
- Allium paniculatum (8 revisions)
- Cyrto-hypnum minutulum (8 revisions)
- Erythranthe guttata (8 revisions)
- Cypripedium acaule (8 revisions)
- Hexalectris grandiflora (8 revisions)
- Bartramia potosica (8 revisions)
- Plagiomnium venustum (8 revisions)
- Arctostaphylos viscida subsp. mariposa (8 revisions)
- Plaubelia sprengelii (8 revisions)
- Draba ramulosa (8 revisions)
- Dudleya abramsii subsp. calcicola (8 revisions)
- Primula mistassinica (8 revisions)
- Streptanthus bernardinus (8 revisions)
- Salix nigra (8 revisions)
- Pennellia (8 revisions)
- Lithophragma affine (8 revisions)
- Carex digitalis var. macropoda (8 revisions)
- Sidalcea malviflora subsp. malviflora (8 revisions)
- Salicaceae (8 revisions)
- Rhynchospora punctata (8 revisions)
- Carex harfordii (8 revisions)
- Hybanthus concolor (8 revisions)
- Abutilon permolle (8 revisions)
- Scirpus longii (8 revisions)
- Senecio riddellii (8 revisions)
- Sagittaria secundifolia (8 revisions)
- Pterocaulon pycnostachyum (8 revisions)
- Ericameria nauseosa var. bigelovii (8 revisions)
- Layia gaillardioides (8 revisions)
- Amblyopappus pusillus (8 revisions)
- Prenanthes roanensis (8 revisions)
- Krigia occidentalis (8 revisions)
- Balsamorhiza macrolepis (8 revisions)
- Tridax procumbens (8 revisions)
- Ceanothus oliganthus (8 revisions)
- Gaillardia aestivalis (8 revisions)
- Brickellia longifolia var. multiflora (8 revisions)
- Frangula rubra subsp. nevadensis (8 revisions)
- Euphorbia oblongata (8 revisions)
- Erigeron filifolius (8 revisions)
- Eurybia integrifolia (8 revisions)
- Crataegus pruinosa var. dissona (8 revisions)
- Sericocarpus oregonensis subsp. californicus (8 revisions)
- Cercocarpus betuloides var. blancheae (8 revisions)
- Cotoneaster vestitus (8 revisions)
- Rosa stellata subsp. abyssa (8 revisions)
- Ivesia saxosa (8 revisions)
- Bruchia flexuosa (8 revisions)
- Epigaea repens (8 revisions)
- Pogonatum pensilvanicum (8 revisions)
- Codriophorus norrisii (8 revisions)
- Castilleja occidentalis (8 revisions)
- Synthyris cordata (8 revisions)
- Pedicularis racemosa subsp. racemosa (8 revisions)
- Dichelostemma (8 revisions)
- Yucca schidigera (8 revisions)
- Atriplex cordulata var. cordulata (8 revisions)
- Calandrinia ciliata (8 revisions)
- Penstemon acuminatus var. acuminatus (8 revisions)
- Penstemon laevigatus (8 revisions)
- Streptopus (8 revisions)
- Allium atrorubens var. cristatum (8 revisions)
- Hamatocaulis vernicosus (8 revisions)
- Orthotrichum pallens (8 revisions)
- Sairocarpus (8 revisions)
- Vanilla phaeantha (8 revisions)
- Prosthechea (8 revisions)
- Philonotis fontana var. fontana (8 revisions)
- Rhizogoniaceae (8 revisions)
- Arctostaphylos nortensis (8 revisions)
- Sphagnum bartlettianum (8 revisions)
- Draba spectabilis (8 revisions)
- Dudleya arizonica (8 revisions)
- Itea (8 revisions)
- Streptanthus farnsworthianus (8 revisions)
- Cynophalla flexuosa (8 revisions)
- Teesdalia nudicaulis (8 revisions)
- Ribes viburnifolium (8 revisions)
- Carex oligocarpa (8 revisions)
- Sidalcea oregana subsp. spicata (8 revisions)
- Physaria acutifolia (8 revisions)
- Rhynchospora globularis var. pinetorum (8 revisions)
- Carex phaeocephala (8 revisions)
- Viola biflora var. biflora (8 revisions)
- Althaea officinalis (8 revisions)
- Peltandra sagittifolia (8 revisions)
- Websteria (8 revisions)
- Senecio fremontii var. occidentalis (8 revisions)
- Serenoa repens (8 revisions)
- Triglochin maritima (8 revisions)
- Pluchea baccharis (8 revisions)
- Lessingia glandulifera var. tomentosa (8 revisions)
- Calycadenia fremontii (8 revisions)
- Eriophyllum mohavense (8 revisions)
- Arnoseris (8 revisions)
- Lygodesmia grandiflora var. doloresensis (8 revisions)
- Wyethia longicaulis (8 revisions)
- Coreopsis calliopsidea (8 revisions)
- Eucnide (8 revisions)
- Cirsium rydbergii (8 revisions)
- Helenium puberulum (8 revisions)
- Brickelliastrum (8 revisions)
- Ziziphus mauritiana (8 revisions)
- Ceanothus gloriosus var. porrectus (8 revisions)
- Helenium bolanderi (8 revisions)
- Brickelliastrum fendleri (8 revisions)
- Ceanothus velutinus var. laevigatus (8 revisions)
- Berchemia scandens (8 revisions)
- Pentachaeta exilis subsp. exilis (8 revisions)
- Eurybia compacta (8 revisions)
- Crataegus venusta (8 revisions)
- Euphorbia pubentissima (8 revisions)
- Baccharis plummerae (8 revisions)
- Townsendia annua (8 revisions)
- Chamaebatia (8 revisions)
- Cotoneaster hjelmqvistii (8 revisions)
- Packera eurycephala var. eurycephala (8 revisions)
- Ivesia rhypara var. rhypara (8 revisions)
- Stellaria nitens (8 revisions)
- Ceratodon (8 revisions)
- Kalmia cuneata (8 revisions)
- Timmia megapolitana (8 revisions)
- Ptychomitrium drummondii (8 revisions)
- Linaria spartea (8 revisions)
- Synthyris schizantha (8 revisions)
- Agalinis aphylla (8 revisions)
- Melanthium woodii (8 revisions)
- Yucca flaccida (8 revisions)
- Atriplex pacifica (8 revisions)
- Claytonia arctica (8 revisions)
- Penstemon grandiflorus (8 revisions)
- Penstemon procerus var. formosus (8 revisions)
- Clintonia umbellulata (8 revisions)
- Allium fimbriatum var. fimbriatum (8 revisions)
- Hypnum cupressiforme var. subjulaceum (8 revisions)
- Diplacus viscidus (8 revisions)
- Platythelys (8 revisions)
- Campylocentrum pachyrrhizum (8 revisions)
- Bryum argenteum (8 revisions)
- Cyclodictyon varians (8 revisions)
- Loeskypnum badium (8 revisions)
- Arctostaphylos regismontana (8 revisions)
- Tortula cernua (8 revisions)
- Draba yukonensis (8 revisions)
- Diamorpha smallii (8 revisions)
- Anagallis pumila (8 revisions)
- Streptanthus hyacinthoides (8 revisions)
- Salix subg. Salix (8 revisions)
- Lepidium barnebyanum (8 revisions)
- Heuchera pubescens (8 revisions)
- Carex sect. Hymenochlaenae (8 revisions)
- Sphaeralcea ambigua var. rugosa (8 revisions)
- Cardamine angulata (8 revisions)
- Rhynchospora chapmanii (8 revisions)
- Carex amplectens (8 revisions)
- Viola epipsila var. repens (8 revisions)
- Syagrus romanzoffiana (8 revisions)
- Scirpus (8 revisions)
- Senecio pseudoarnica (8 revisions)
- Luzula arcuata subsp. unalaschkensis (8 revisions)
- Ptychosperma elegans (8 revisions)
- Chamaemelum (8 revisions)
- Ericameria nauseosa var. hololeuca (8 revisions)
- Deinandra arida (8 revisions)
- Eriophyllum lanatum var. lanceolatum (8 revisions)
- Hieracium carneum (8 revisions)
- Pyrrhopappus carolinianus (8 revisions)
- Verbesina helianthoides (8 revisions)
- Coreopsis pulchra (8 revisions)
- Euphorbia falcata (8 revisions)
- Saussurea amara var. glomerata (8 revisions)
- Hymenoxys odorata (8 revisions)
- Liatris squarrosa var. glabrata (8 revisions)
- Gouania lupuloides (8 revisions)
- Hesperolinon spergulinum (8 revisions)
- Erigeron garrettii (8 revisions)
- Xanthisma texanum var. drummondii (8 revisions)
- Philadelphus microphyllus var. madrensis (8 revisions)
- Jatropha dioica var. graminea (8 revisions)
- Solidago buckleyi (8 revisions)
- Townsendia rothrockii (8 revisions)
- Neillia (8 revisions)
- Pyracantha (8 revisions)
- Ericameria parryi var. aspera (8 revisions)
- Rosa carolina subsp. carolina (8 revisions)
- Ivesia gordonii var. wasatchensis (8 revisions)
- Minuartia arctica (8 revisions)
- Ditrichum lineare (8 revisions)
- Ceratiola ericoides (8 revisions)
- Polygonum parryi (8 revisions)
- Encalypta flowersiana (8 revisions)
- Seligeria acutifolia (8 revisions)
- Castilleja raupii (8 revisions)
- Veronica scutellata (8 revisions)
- Agalinis harperi (8 revisions)
- Triteleia hendersonii (8 revisions)
- Yucca campestris (8 revisions)
- Atriplex covillei (8 revisions)
- Claytonia parviflora subsp. grandiflora (8 revisions)
- Penstemon pachyphyllus var. pachyphyllus (8 revisions)
- Penstemon subserratus (8 revisions)
- Erythronium pluriflorum (8 revisions)
- Allium bolanderi (8 revisions)
- Orthotrichum pallens var. johnseniae (8 revisions)
- Chenopodium californicum (8 revisions)
- Sairocarpus cornutus subsp. leptaleus (8 revisions)
- Eltroplectris calcarata (8 revisions)
- Liparis nervosa (8 revisions)
- Amphidium (8 revisions)
- Brachytheciastrum (8 revisions)
- Sphagnum capillifolium (8 revisions)
- Gemmabryum sect. Caespitibryum (8 revisions)
- Salix thurberi (8 revisions)
- Sedum rupicola (8 revisions)
- Lysimachia punctata (8 revisions)
- Saelania glaucescens (8 revisions)
- Streptanthus vimineus (8 revisions)
- Cleomella brevipes (8 revisions)
- Lepidium huberi (8 revisions)
- Paeonia (8 revisions)
- Carex castanea (8 revisions)
- Physaria didymocarpa subsp. lyrata (8 revisions)
- Cardamine flagellifera (8 revisions)
- Cladium jamaicense (8 revisions)
- Carex suberecta (8 revisions)
- Eremalche rotundifolia (8 revisions)
- Wolffia globosa (8 revisions)
- Bulbostylis ciliatifolia var. coarctata (8 revisions)
- Packera breweri (8 revisions)
- Halophila decipiens (8 revisions)
- Sphaeromeria argentea (8 revisions)
- Symphyotrichum subg. Chapmaniani (8 revisions)
- Deinandra bacigalupii (8 revisions)
- Arnica (8 revisions)
- Hieracium murorum (8 revisions)
- Antennaria geyeri (8 revisions)
- Enceliopsis covillei (8 revisions)
- Coreopsis leavenworthii (8 revisions)
- Chrysobalanaceae (8 revisions)
- Plectocephalus rothrockii (8 revisions)
- Hymenoxys vaseyi (8 revisions)
- Liatris elegans var. carizzana (8 revisions)
- Linum australe var. australe (8 revisions)
- Erigeron blochmaniae (8 revisions)
- Xanthisma spinulosum var. glaberrimum (8 revisions)
- Callaeum septentrionale (8 revisions)
- Ricinus (8 revisions)
- Solidago speciosa subsp. pallida (8 revisions)
- Prunus serotina var. rufula (8 revisions)
- Malus baccata (8 revisions)
- Packera porteri (8 revisions)
- Rosa pisocarpa subsp. pisocarpa (8 revisions)
- Ivesia unguiculata (8 revisions)
- Minuartia howellii (8 revisions)
- Eriogonum bicolor (8 revisions)
- Pieris phillyreifolia (8 revisions)
- Polygonum sawatchense subsp. sawatchense (8 revisions)
- Sphagnum aongstroemii (8 revisions)
- Blindia acuta (8 revisions)
- Castilleja sessiliflora (8 revisions)
- Veronica verna (8 revisions)
- Milla (8 revisions)
- Agave schottii var. schottii (8 revisions)
- Mirabilis (8 revisions)
- Claytonia scammaniana (8 revisions)
- Penstemon cobaea var. purpureus (8 revisions)
- Erythronium mesochoreum (8 revisions)
- Helonias bullata (8 revisions)
- Orthothecium chryseum var. chryseum (8 revisions)
- Diplacus kelloggii (8 revisions)
- Spiranthes (8 revisions)
- Aplectrum hyemale (8 revisions)
- Hygrohypnum ochraceum (8 revisions)
- Brachythecium campestre (8 revisions)
- Aloina bifrons (8 revisions)
- Gemmabryum klinggraeffii (8 revisions)
- Boechera dispar (8 revisions)
- Myrsine cubana (8 revisions)
- Pseudephemerum nitidum (8 revisions)
- Thelypodium eucosmum (8 revisions)
- Cleome (8 revisions)
- Tolmiea menziesii (8 revisions)
- Sedum nuttallii (8 revisions)
- Carex petricosa var. petricosa (8 revisions)
- Sphaeralcea parvifolia (8 revisions)
- Salix sect. Ovalifoliae (8 revisions)
- Scleria ciliata var. elliottii (8 revisions)
- Carex molesta (8 revisions)
- Hibiscus syriacus (8 revisions)
- Carex globosa (8 revisions)
- Cyperus lecontei (8 revisions)
- Luzula subg. Pterodes (8 revisions)
- Arecaceae (tribe Cocoeae) subtribe Butiinae (8 revisions)
- Artemisia filifolia (8 revisions)
- Symphyotrichum campestre (8 revisions)
- Hemizonia congesta subsp. calyculata (8 revisions)
- Rudbeckia glaucescens (8 revisions)
- Antennaria plantaginifolia (8 revisions)
- Flourensia cernua (8 revisions)
- Cyclachaena xanthiifolia (8 revisions)
- Centaurea scabiosa (8 revisions)
- Liatris chapmanii (8 revisions)
- Dieteria bigelovii var. bigelovii (8 revisions)
- Glochidion puberum (8 revisions)
- Solidago macrophylla (8 revisions)
- Chrysopsis highlandsensis (8 revisions)
- Prunus fasciculata var. fasciculata (8 revisions)
- Sieversia pentapetala (8 revisions)
- Packera tomentosa (8 revisions)
- Rosa bridgesii (8 revisions)
- Horkelia sect. Horkelia (8 revisions)
- Minuartia rosei (8 revisions)
- Andromeda polifolia var. latifolia (8 revisions)
- Persicaria virginiana (8 revisions)
- Fissidens taxifolius (8 revisions)
- Castilleja viscidula (8 revisions)
- Ceratotheca (8 revisions)
- Aureolaria levigata (8 revisions)
- Funaria flavicans (8 revisions)
- Atriplex canescens var. gigantea (8 revisions)
- Lewisia cotyledon var. cotyledon (8 revisions)
- Penstemon grahamii (8 revisions)
- Penstemon heterophyllus var. purdyi (8 revisions)
- Fritillaria glauca (8 revisions)
- Allium simillimum (8 revisions)
- Schoenocaulon texanum (8 revisions)
- Pylaisia (8 revisions)
- Chenopodium subsect. Leptophylla (8 revisions)
- Diplacus rutilus (8 revisions)
- Spiranthes magnicamporum (8 revisions)
- Trillium lancifolium (8 revisions)
- Campylium laxifolium (8 revisions)
- Brachythecium rotaeanum (8 revisions)
- Syntrichia chisosa (8 revisions)
- Imbribryum mildeanum (8 revisions)
- Boechera glareosa (8 revisions)
- Galax urceolata (8 revisions)
- Schistostega (8 revisions)
- Thelypodium repandum (8 revisions)
- Arivela (8 revisions)
- Tiarella trifoliata var. trifoliata (8 revisions)
- Sedum mexicanum (8 revisions)
- Carex hirsutella (8 revisions)
- Thespesia populnea (8 revisions)
- Physaria hitchcockii subsp. hitchcockii (8 revisions)
- Leavenworthia texana (8 revisions)
- Lepidium virginicum subsp. menziesii (8 revisions)
- Carex laevivaginata (8 revisions)
- Carex salina (8 revisions)
- Viola prionantha (8 revisions)
- Hibiscus grandiflorus (8 revisions)
- Boechera hoffmannii (8 revisions)
- Carex communis var. amplisquama (8 revisions)
- Cyperus pseudovegetus (8 revisions)
- Catopsis (8 revisions)
- Sparganium eurycarpum (8 revisions)
- Symphyotrichum adnatum (8 revisions)
- Harmonia doris-nilesiae (8 revisions)
- Arnica venosa (8 revisions)
- Antennaria parvifolia (8 revisions)
- Artemisia cana subsp. bolanderi (8 revisions)
- Geraea viscida (8 revisions)
- Bidens discoidea (8 revisions)
- Argythamnia claryana (8 revisions)
- Centaurea melitensis (8 revisions)
- Tetraneuris acaulis var. arizonica (8 revisions)
- Ratibida columnifera (8 revisions)
- Simmondsia (8 revisions)
- Mentzelia oreophila (8 revisions)
- Erigeron breweri var. porphyreticus (8 revisions)
- Arida (8 revisions)
- Decumaria (8 revisions)
- Euphorbia melanadenia (8 revisions)
- Pityopsis (8 revisions)
- Prunus pumila var. susquehanae (8 revisions)
- Crataegus monogyna var. monogyna (8 revisions)
- Pseudogynoxys (8 revisions)
- Potentilla canadensis (8 revisions)
- Horkelia californica var. californica (8 revisions)
- Sagina (8 revisions)
- Geum canadense (8 revisions)
- Persicaria wallichii var. wallichii (8 revisions)
- Fissidens obtusifolius (8 revisions)
- Cordylanthus capitatus (8 revisions)
- Kopsiopsis strobilacea (8 revisions)
- Agave parryi subsp. parryi (8 revisions)
- Physcomitrium collenchymatum (8 revisions)
- Sarcobatus (8 revisions)
- Lewisia stebbinsii (8 revisions)
- Penstemon triflorus (8 revisions)
- Allium hoffmanii (8 revisions)
- Sisyrinchium funereum (8 revisions)
- Acroporium smallii (8 revisions)
- Chenopodium incanum var. occidentale (8 revisions)
- Buddleja racemosa var. incana (8 revisions)
- Maxillaria (8 revisions)
- Lilium (8 revisions)
- Drepanocladus latinervis (8 revisions)
- Microbryum starckeanum var. brachyodus (8 revisions)
- Ptychostomum (8 revisions)
- Styrax grandifolius (8 revisions)
- Trichostomum (8 revisions)
- Thysanocarpus laciniatus var. hitchcockii (8 revisions)
- Aurinia saxatilis (8 revisions)
- Sullivantia sullivantii (8 revisions)
- Sedum oregonense (8 revisions)
- Carex tenax (8 revisions)
- Dirca palustris (8 revisions)
- Physaria lata (8 revisions)
- Rorippa amphibia (8 revisions)
- Noccaea fendleri subsp. californica (8 revisions)
- Carex diandra (8 revisions)
- Schoenoplectus triqueter (8 revisions)
- Viola rotundifolia (8 revisions)
- Ibervillea tenuisecta (8 revisions)
- Boechera macounii (8 revisions)
- Carex pensylvanica (8 revisions)
- Cyperus sanguinolentus (8 revisions)
- Acoraceae (8 revisions)
- Symphyotrichum subg. Symphyotrichum (8 revisions)
- Madia exigua (8 revisions)
- Schkuhria (8 revisions)
- Cirsium pumilum var. pumilum (8 revisions)
- Artemisia tripartita subsp. rupicola (8 revisions)
- Eclipta prostrata (8 revisions)
- Bidens eatonii (8 revisions)
- Leibnitzia lyrata (8 revisions)
- Scorzonera (8 revisions)
- Marshallia obovata (8 revisions)
- Carphephorus paniculatus (8 revisions)
- Euphorbia sect. Alectoroctonum (8 revisions)
- Argythamnia serrata (8 revisions)
- Parthenocissus heptaphylla (8 revisions)
- Euphorbia serrata (8 revisions)
- Euphorbia arizonica (8 revisions)
- Solidago pulchra (8 revisions)
- Pityopsis graminifolia var. tracyi (8 revisions)
- Prunus angustifolia (8 revisions)
- Crataegus okanaganensis var. wellsii (8 revisions)
- Barkleyanthus (8 revisions)
- Potentilla recta (8 revisions)
- Horkelia sect. Tridentatae (8 revisions)
- Crataegus padifolia var. padifolia (8 revisions)
- Persicaria careyi (8 revisions)
- Fissidens exilis (8 revisions)
- Cordylanthus pilosus subsp. pilosus (8 revisions)
- Angelonia (8 revisions)
- Garryaceae Illustrations (8 revisions)
- Furcraea foetida (8 revisions)
- Schistidium (8 revisions)
- Suaeda californica (8 revisions)
- Phemeranthus calcaricus (8 revisions)
- Penstemon bicolor (8 revisions)
- Crinum americanum var. traubii (8 revisions)
- Sisyrinchium hitchcockii (8 revisions)
- Brotherella roellii (8 revisions)
- Chenopodium subsect. Standleyana (8 revisions)
- Callitriche trochlearis (8 revisions)
- Orchidaceae subfam. Cypripedioideae (8 revisions)
- Lilium maritimum (8 revisions)
- Pseudocampylium radicale (8 revisions)
- Homalothecium aeneum (8 revisions)
- Galearis (8 revisions)
- Hennediella heimii var. arctica (8 revisions)
- Pleurochaete luteola (8 revisions)
- Astilbe (8 revisions)
- Lenophyllum texanum (8 revisions)
- Carex halliana (8 revisions)
- Salix orestera (8 revisions)
- Thlaspi arvense (8 revisions)
- Rorippa palustris subsp. hispida (8 revisions)
- Nerisyrenia (8 revisions)
- Fuirena bushii (8 revisions)
- Carex aperta (8 revisions)
- Viola trinervata (8 revisions)
- Lagunaria patersonia (8 revisions)
- Cistus incanus (8 revisions)
- Boechera perstellata (8 revisions)
- Carex scirpoidea subsp. convoluta (8 revisions)
- Cyperus prolixus (8 revisions)
- Potamogeton strictifolius (8 revisions)
- Potamogeton epihydrus (8 revisions)
- Symphyotrichum urophyllum (8 revisions)
- Polymnia canadensis (8 revisions)
- Hymenothrix wislizeni (8 revisions)
- Pseudognaphalium beneolens (8 revisions)
- Artemisia franserioides (8 revisions)
- Parthenium argentatum (8 revisions)
- Pectis glaucescens (8 revisions)
- Vernonia pulchella (8 revisions)
- Malacothrix floccifera (8 revisions)
- Eupatorium ×cordigerum (8 revisions)
- Koanophyllon palmeri (8 revisions)
- Colubrina asiatica var. asiatica (8 revisions)
- Rhamnus serrata (8 revisions)
- Erigeron alpiniformis (8 revisions)
- Ericameria laricifolia (8 revisions)
- Tragia laciniata (8 revisions)
- Elatine rubella (8 revisions)
- Solidago ulmifolia var. palmeri (8 revisions)
- Eucephalus ledophyllus var. covillei (8 revisions)
- Rubus parviflorus (8 revisions)
- Crataegus castlegarensis (8 revisions)
- Roldana hartwegii (8 revisions)
- Glossopetalon spinescens var. meionandrum (8 revisions)
- Horkeliella congdonis (8 revisions)
- Crataegus chrysocarpa var. praecox (8 revisions)
- Brunnichia (8 revisions)
- Eremogone congesta var. cephaloidea (8 revisions)
- Campylopodiella flagellacea (8 revisions)
- Orobanche cooperi subsp. cooperi (8 revisions)
- Viscaceae Illustrations (8 revisions)
- Smilax biltmoreana (8 revisions)
- Schistidium frisvollianum (8 revisions)
- Halogeton glomeratus (8 revisions)
- Penstemon wrightii (8 revisions)
- Hymenocallis coronaria (8 revisions)
- Iris pumila (8 revisions)
- Cryphaea ravenelii (8 revisions)
- Zuckia (8 revisions)
- Orchidaceae (tribe Arethuseae) subtribe Arethusinae (8 revisions)
- Lilium michiganense (8 revisions)
- Campylophyllum halleri (8 revisions)
- Pseudoscleropodium purum (8 revisions)
- Platanthera huronensis (8 revisions)
- Splachnobryum obtusum (8 revisions)
- Ptychostomum schleicheri (8 revisions)
- Sarracenia rosea (8 revisions)
- Weissia jamaicensis (8 revisions)
- Athysanus (8 revisions)
- Manilkara zapota (8 revisions)
- Carex membranacea (8 revisions)
- Physaria parvula (8 revisions)
- Populus grandidentata (8 revisions)
- Micranthes ferruginea (8 revisions)
- Malacothamnus marrubioides (8 revisions)
- Lechea lakelae (8 revisions)
- Boechera retrofracta (8 revisions)
- Eleocharis ravenelii (8 revisions)
- Cyperus digitatus (8 revisions)
- Piriqueta (8 revisions)
- Commelina communis (8 revisions)
- Juncus triglumis var. triglumis (8 revisions)
- Symphyotrichum dumosum (8 revisions)
- Hymenopappus artemisiifolius var. riograndensis (8 revisions)
- Florestina tripteris (8 revisions)
- Pseudognaphalium jaliscense (8 revisions)
- Artemisia ludoviciana subsp. candicans (8 revisions)
- Helianthus agrestis (8 revisions)
- Scolymus (8 revisions)
- Malacothrix saxatilis var. saxatilis (8 revisions)
- Ageratina rothrockii (8 revisions)
- Kallstroemia hirsutissima (8 revisions)
- Croton wigginsii (8 revisions)
- Erigeron subtrinervis (8 revisions)
- Croton californicus (8 revisions)
- Phyllanthopsis arida (8 revisions)
- Solidago odora subsp. odora (8 revisions)
- Heterotheca fulcrata var. arizonica (8 revisions)
- Crataegus succulenta var. neofluvialis (8 revisions)
- Fagonia (8 revisions)
- Cacaliopsis (8 revisions)
- Potentilla sect. Leucophyllae (8 revisions)
- Fragaria virginiana subsp. platypetala (8 revisions)
- Chamaebatiaria (8 revisions)
- Crataegus (sect. Coccineae) ser. Bracteatae (8 revisions)
- Limonium carolinianum (8 revisions)
- Campylopus oerstedianus (8 revisions)
- Orthocarpus luteus (8 revisions)
- Euphrasia (8 revisions)
- Smilax rotundifolia (8 revisions)
- Schistidium trichodon (8 revisions)
- Amaranthus cannabinus (8 revisions)
- Castilleja angustifolia var. dubia (8 revisions)
- Penstemon debilis (8 revisions)
- Tonella tenella (8 revisions)
- Hymenocallis henryae var. glaucifolia (8 revisions)
- Iris setosa (8 revisions)
- Pterobryaceae (8 revisions)
- Bassia hirsuta (8 revisions)
- Orchidaceae (tribe Cranichideae) subtribe Prescottiinae (8 revisions)
- Hypoxis mexicana (8 revisions)
- Hylocomiaceae (8 revisions)
- Orthotrichum hallii (8 revisions)
- Platanthera peramoena (8 revisions)
- Syrrhopodon (8 revisions)
- Rosulabryum elegans (8 revisions)
- Pyrola (8 revisions)
- Sphagnum perfoliatum (8 revisions)
- Draba argyrea (8 revisions)
- Saxifraga cernua (8 revisions)
- Iteaceae (8 revisions)
- Eleocharis (sect. Eleocharis) ser. Eleocharis (8 revisions)
- Physaria scrotiformis (8 revisions)
- Salix sect. Candidae (8 revisions)
- Cochlearia sessilifolia (8 revisions)
- Vaccinium corymbosum (8 revisions)
- Carex sect. Chordorrhizae (8 revisions)
- Carex gmelinii (8 revisions)
- Malva sylvestris (8 revisions)
- Lechea stricta (8 revisions)
- Boechera suffrutescens (8 revisions)
- Carex sect. Firmiculmes (8 revisions)
- Cyperus spectabilis (8 revisions)
- Calophyllaceae (8 revisions)
- Passiflora tenuiloba (8 revisions)
- Lemna minuta (8 revisions)
- Phyllospadix (8 revisions)
- Symphyotrichum lanceolatum var. lanceolatum (8 revisions)
- Perityle rupestris var. albiflora (8 revisions)
- Arecaceae (tribe Corypheae) subtribe Thrinacinae (8 revisions)
- Gamochaeta purpurea (8 revisions)
- Artemisia suksdorfii (8 revisions)
- Crepis bursifolia (8 revisions)
- Eutrochium maculatum var. foliosum (8 revisions)
- Zaluzania (8 revisions)
- Malpighia (8 revisions)
- Arceuthobium campylopodum subsp. microcarpum (8 revisions)
- Erigeron kuschei (8 revisions)
- Pyrrocoma uniflora var. uniflora (8 revisions)
- Elatine chilensis (8 revisions)
- Euphorbia serpillifolia subsp. hirtula (8 revisions)
- Heterotheca villosa var. pedunculata (8 revisions)
- Rhamnus alnifolia (8 revisions)
- Tetradymia tetrameres (8 revisions)
- Drymocallis lactea var. lactea (8 revisions)
- Spiraea virginiana (8 revisions)
- Crataegus alleghaniensis (8 revisions)
- Potentilla breweri (8 revisions)
- Rumex verticillatus (8 revisions)
- Eremogone congesta var. subcongesta (8 revisions)
- Sphagnum obtusum (8 revisions)
- Triphysaria versicolor subsp. versicolor (8 revisions)
- Euphrasia suborbicularis (8 revisions)
- Arctostaphylos nevadensis subsp. knightii (8 revisions)
- Sphagnum centrale (8 revisions)
- Grimmia sessitana (8 revisions)
- Amaranthus viscidulus (8 revisions)
- Castilleja cervina (8 revisions)
- Penstemon leiophyllus var. francisci-pennellii (8 revisions)
- Dopatrium (8 revisions)
- Zephyranthes drummondii (8 revisions)
- Iris fernaldii (8 revisions)
- Neckera besseri (8 revisions)
- Acleisanthes longiflora (8 revisions)
- Scoliopus hallii (8 revisions)
- Triantha racemosa (8 revisions)
- Pleurozium (8 revisions)
- Stereophyllum radiculosum (8 revisions)
- Platanthera integra (8 revisions)
- Leucophanaceae (8 revisions)
- Mielichhoferiaceae (8 revisions)
- Ribes divaricatum var. parishii (8 revisions)
- Barbula convoluta var. gallinula (8 revisions)
- Draba cana (8 revisions)
- Ribes viscosissimum (8 revisions)
- Diospyros maritima (8 revisions)
- Sisymbrium altissimum (8 revisions)
- Salix viminalis (8 revisions)
- Descurainia longepedicellata (8 revisions)
- Gaylussacia mosieri (8 revisions)
- Carex praegracilis (8 revisions)
- Carex raynoldsii (8 revisions)
- Malvella leprosa (8 revisions)
- Crocanthemum bicknellii (8 revisions)
- Salix sect. Herbella (8 revisions)
- Carex capitata (8 revisions)
- Cyperus strigosus (8 revisions)
- Hypericum prolificum (8 revisions)
- Passiflora caerulea (8 revisions)
- Potamogeton bicupulatus (8 revisions)
- Arisaema (8 revisions)
- Symphyotrichum novi-belgii var. novibelgii (8 revisions)
- Perityle aglossa (8 revisions)
- Omalotheca sylvatica (8 revisions)
- Matricaria (8 revisions)
- Helianthus silphioides (8 revisions)
- Crepis occidentalis subsp. conjuncta (8 revisions)
- Agoseris hirsuta (8 revisions)
- Tamaulipa azurea (8 revisions)
- Zinnia anomala (8 revisions)
- Ceanothus jepsonii var. jepsonii (8 revisions)
- Ceanothus foliosus var. medius (8 revisions)
- Ericameria arizonica (8 revisions)
- Grindelia hirsutula (8 revisions)
- Euphorbia platyphyllos (8 revisions)
- Nyssa ursina (8 revisions)
- Egletes viscosa (8 revisions)
- Erigeron vernus (8 revisions)
- Crataegus crus-galli var. crus-galli (8 revisions)
- Tragia nigricans (8 revisions)
- Drymocallis rhomboidea (8 revisions)
- Spiraea chamaedryfolia (8 revisions)
- Crataegus alabamensis (8 revisions)
- Potentilla concinna var. divisa (8 revisions)
- Arenaria lanuginosa var. saxosa (8 revisions)
- Eremogone kingii var. kingii (8 revisions)
- Silene conica (8 revisions)
- Dicranella hilariana (8 revisions)
- Neogaerrhinum filipes (8 revisions)
- Odontites vulgaris (8 revisions)
- Arctostaphylos tomentosa (8 revisions)
- Andreaeobryum macrosporum (8 revisions)
- Grimmia laevigata (8 revisions)
- Amaranthus pumilus (8 revisions)
- Castilleja cusickii (8 revisions)
- Penstemon perpulcher (8 revisions)
- Gratiola virginiana (8 revisions)
- Camassia quamash subsp. quamash (8 revisions)
- Iris giganticaerulea (8 revisions)
- Thamnobryum (8 revisions)
- Atriplex (8 revisions)
- Keckiella breviflora var. glabrisepala (8 revisions)
- Calochortus elegans var. nanus (8 revisions)
- Echeandia flavescens (8 revisions)
- Haplocladium (8 revisions)
- Papillaria (8 revisions)
- Dactylorhiza (8 revisions)
- Orthotrichum tenellum (8 revisions)
- Pohlia cardotii (8 revisions)
- Monotropsis odorata (8 revisions)
- Didymodon rigidulus var. gracilis (8 revisions)
- Populus trichocarpa (8 revisions)
- Cotyledon orbiculata var. oblonga (8 revisions)
- Hottonia (8 revisions)
- Smelowskia porsildii (8 revisions)
- Salix sericea (8 revisions)
- Tropidocarpum (8 revisions)
- Ericaceae subfam. Vaccinioideae (8 revisions)
- Carex pluriflora (8 revisions)
- Carex distans (8 revisions)
- Pseudabutilon thurberi (8 revisions)
- Frankeniaceae (8 revisions)
- Brassica oleracea (8 revisions)
- Eleocharis compressa var. acutisquamata (8 revisions)
- Cyperus subg. Diclidium (8 revisions)
- Carex vernacula (8 revisions)
- Hypericum apocynifolium (8 revisions)
- Fremontodendron californicum (8 revisions)
- Mayacaceae (8 revisions)
- Ericameria nauseosa var. texensis (8 revisions)
- Perityle villosa (8 revisions)
- Juncus subg. Poiophylli (8 revisions)
- Filago (8 revisions)
- Tripleurospermum (8 revisions)
- Helianthus ×laetiflorus (8 revisions)
- Thymophylla tenuiloba var. texana (8 revisions)
- Crepis runcinata subsp. hispidulosa (8 revisions)
- Microseris laciniata subsp. laciniata (8 revisions)
- Stevia plummerae var. plummerae (8 revisions)
- Ceanothus purpureus (8 revisions)
- Ceanothus jepsonii var. albiflorus (8 revisions)
- Hulsea vestita subsp. inyoensis (8 revisions)
- Mentzelia tiehmii (8 revisions)
- Lepuropetalon spathulatum (8 revisions)
- Oreochrysum (8 revisions)
- Erigeron lassenianus var. deficiens (8 revisions)
- Crataegus collina var. sordida (8 revisions)
- Linum sect. Linum (8 revisions)
- Ericameria winwardii (8 revisions)
- Alchemilla glabra (8 revisions)
- Holodiscus discolor var. discolor (8 revisions)
- Potentilla demotica (8 revisions)
- Cerastium aleuticum (8 revisions)
- Dicranum howellii (8 revisions)
- Erythranthe barbata (8 revisions)
- Pedicularis angustifolia (8 revisions)
- Arctostaphylos glandulosa subsp. adamsii (8 revisions)
- Rumex alpinus (8 revisions)
- Buxbaumiaceae (8 revisions)
- Grimmia orbicularis (8 revisions)
- Achyranthes aspera var. aspera (8 revisions)
- Castilleja flava var. flava (8 revisions)
- Penstemon uintahensis (8 revisions)
- Scoparia (8 revisions)
- Chlorogalum (8 revisions)
- Nemastylis floridana (8 revisions)
- Orthotrichum sordidum (8 revisions)
- Penstemon davidsonii var. menziesii (8 revisions)
- Calochortus howellii (8 revisions)
- Hosta (8 revisions)
- Macromitrium richardii (8 revisions)
- Brachelyma subulatum (8 revisions)
- Epipactis gigantea (8 revisions)
- Tetraplodon (8 revisions)
- Pohlia andrewsii (8 revisions)
- Ornithostaphylos (8 revisions)
- Didymodon eckeliae (8 revisions)
- Draba incana (8 revisions)
- Rhodiola (8 revisions)
- Douglasia gormanii (8 revisions)
- Caulanthus heterophyllus (8 revisions)
- Tropaeolum (8 revisions)
- Erysimum concinnum (8 revisions)
- Micranthes caroliniana (8 revisions)
- Carex sect. Bicolores (8 revisions)
- Carex sect. Circinatae (8 revisions)
- Sida littoralis (8 revisions)
- Cucurbita (8 revisions)
- Lipocarpha occidentalis (8 revisions)
- Carex canescens subsp. disjuncta (8 revisions)
- Hypericum hypericoides subsp. multicaule (8 revisions)
- Sicyos (8 revisions)
- Eleocharis rostellata (8 revisions)
- Asteraceae tribe Senecioneae (8 revisions)
- Perityle angustifolia (8 revisions)
- Juncus bufonius (8 revisions)
- Juncus dudleyi (8 revisions)
- Micropus californicus var. californicus (8 revisions)
- Cirsium remotifolium var. odontolepis (8 revisions)
- Helianthus maximiliani (8 revisions)
- Flaveria floridana (8 revisions)
- Taraxacum trigonolobum (8 revisions)
- Cirsium palustre (8 revisions)
- Brickellia (8 revisions)
- Silphium mohrii (8 revisions)
- Cornus sericea (8 revisions)
- Trixis (8 revisions)
- Chaenactis douglasii var. douglasii (8 revisions)
- Acalypha radians (8 revisions)
- Vitis cinerea var. floridana (8 revisions)
- Stenotus (8 revisions)
- Erigeron poliospermus var. cereus (8 revisions)
- Crataegus mollis var. viburnifolia (8 revisions)
- Euphorbia bombensis (8 revisions)
- Gundlachia triantha (8 revisions)
- Aphanes arvensis (8 revisions)
- Gillenia (8 revisions)
- Filipendula (8 revisions)
- Cerastium dichotomum (8 revisions)
- Silene laciniata (8 revisions)
- Erythranthe erubescens (8 revisions)
- Cassiope mertensiana subsp. ciliolata (8 revisions)
- Rumex sanguineus (8 revisions)
- Polytrichastrum sexangulare (8 revisions)
- Jaffueliobryum raui (8 revisions)
- Mirabilis multiflora var. glandulosa (8 revisions)
- Castilleja hyperborea (8 revisions)
- Penstemon attenuatus var. palustris (8 revisions)
- Plantago argyrea (8 revisions)
- Pedicularis bracteosa var. paysoniana (8 revisions)
- Hastingsia bracteosa (8 revisions)
- Freesia alba (8 revisions)
- Anomodon rostratus (8 revisions)
- Atriplex suberecta (8 revisions)
- Penstemon newberryi var. sonomensis (8 revisions)
- Lophiola (8 revisions)
- Allium canadense var. lavendulare (8 revisions)
- Pseudoleskea radicosa var. denudata (8 revisions)
- Fontinalis sullivantii (8 revisions)
- Triphora gentianoides (8 revisions)
- Hedwigia stellata (8 revisions)
- Cinclidium stygium (8 revisions)
- Arctostaphylos ohloneana (8 revisions)
- Didymodon bistratosus (8 revisions)
- Draba micropetala (8 revisions)
- Jovibarba heuffelii (8 revisions)
- Dodecatheon clevelandii var. gracile (8 revisions)
- Hesperidanthus linearifolius (8 revisions)
- Limnanthes bakeri (8 revisions)
- Salix sect. Myrtilloides (8 revisions)
- Micranthes subapetala (8 revisions)
- Carex meadii (8 revisions)
- Sidalcea asprella subsp. nana (8 revisions)
- Drosera tracyi (8 revisions)
- Amphiscirpus nevadensis (8 revisions)
- Carex deweyana var. deweyana (8 revisions)
- Hypericum boreale (8 revisions)
- Lilaea scilloides (8 revisions)
- Eleocharis minima (8 revisions)
- Senecio neowebsteri (8 revisions)
- Potamogeton zosteriformis (8 revisions)
- Tinantia anomala (8 revisions)
- Diaperia verna var. drummondii (8 revisions)
- Rayjacksonia (8 revisions)
- Melampodium leucanthum (8 revisions)
- Lasthenia californica subsp. bakeri (8 revisions)
- Youngia japonica (8 revisions)
- Stephanomeria exigua subsp. coronaria (8 revisions)
- Brickellia coulteri var. brachiata (8 revisions)
- Ambrosia cheiranthifolia (8 revisions)
- Bernardia obovata (8 revisions)
- Boltonia asteroides var. recognita (8 revisions)
- Chaenactis glabriuscula var. glabriuscula (8 revisions)
- Parnassia parviflora (8 revisions)
- Cnidoscolus texanus (8 revisions)
- Erigeron concinnus var. condensatus (8 revisions)
- Crataegus magniflora (8 revisions)
- Gutierrezia microcephala (8 revisions)
- Rubus idaeus subsp. idaeus (8 revisions)
- Sorbus torminalis (8 revisions)
- Amelanchier nitens (8 revisions)
- Potentilla arenosa subsp. chamissonis (8 revisions)
- Cerastium semidecandrum (8 revisions)
- Kiaeria starkei (8 revisions)
- Erythranthe pulsiferae (8 revisions)
- Oxyria (8 revisions)
- Polytrichum swartzii (8 revisions)
- Bucklandiella venusta (8 revisions)
- Alternanthera sessilis (8 revisions)
- Castilleja lindheimeri (8 revisions)
- Plantago lanceolata (8 revisions)
- Pedicularis densiflora (8 revisions)
- Ornithogalum (8 revisions)
- Mammillaria sphaerica (8 revisions)
- Atriplex saccaria var. cornuta (8 revisions)
- Penstemon deustus var. deustus (8 revisions)
- Calochortus excavatus (8 revisions)
- Allium runyonii (8 revisions)
- Climaciaceae (8 revisions)
- Erythranthe floribunda (8 revisions)
- Trillium erectum var. album (8 revisions)
- Bartramiaceae (8 revisions)
- Mnium spinulosum (8 revisions)
- Arctostaphylos parryana subsp. parryana (8 revisions)
- Pseudocrossidium hornschuchianum (8 revisions)
- Draba palanderiana (8 revisions)
- Dudleya cymosa subsp. pumila (8 revisions)
- Dodecatheon pulchellum var. macrocarpum (8 revisions)
- Stanleya confertiflora (8 revisions)
- Limnanthes alba subsp. gracilis (8 revisions)
- Braya thorild-wulffii subsp. glabrata (8 revisions)
- Chrysosplenium glechomifolium (8 revisions)
- Carex gracilescens (8 revisions)
- Sidalcea hendersonii (8 revisions)
- Sinapis arvensis (8 revisions)
- Rhynchospora eximia (8 revisions)
- Carex echinata subsp. echinata (8 revisions)
- Hypericum perforatum subsp. perforatum (8 revisions)
- Abutilon berlandieri (8 revisions)
- Potamogeton foliosus subsp. foliosus (8 revisions)
- Eleocharis aestuum (8 revisions)
- Senecio integerrimus var. ochroleucus (8 revisions)
- Sagittaria sanfordii (8 revisions)
- Juncus confusus (8 revisions)
- Hesperevax acaulis var. ambusticola (8 revisions)
- Isocoma menziesii var. vernonioides (8 revisions)
- Layia (8 revisions)
- Lasthenia sect. Lasthenia (8 revisions)
- Lactuca saligna (8 revisions)
- Stephanomeria virgata subsp. pleurocarpa (8 revisions)
- Echinacea sanguinea (8 revisions)
- Bahiopsis laciniata (8 revisions)
- Pleradenophora bilocularis (8 revisions)
- Cirsium parryi (8 revisions)
- Oreostemma peirsonii (8 revisions)
- Rudbeckia occidentalis (8 revisions)
- Brickellia frutescens (8 revisions)
- Croton elliottii (8 revisions)
- Nekemias (8 revisions)
- Amphipappus fremontii var. fremontii (8 revisions)
- Erigeron rydbergii (8 revisions)
- Crataegus delawarensis (8 revisions)
- Mentzelia conspicua (8 revisions)
- Euthamia caroliniana (8 revisions)
- Dryas (8 revisions)
- Rosa subg. Hesperhodos (8 revisions)
- Potentilla pedersenii (8 revisions)
- Spergularia (8 revisions)
- Rhabdoweisia (8 revisions)
- Rhododendron occidentale (8 revisions)
- Polygonella articulata (8 revisions)
- Psilopilum laevigatum (8 revisions)
- Niphotrichum panschii (8 revisions)
- Iresine leptoclada (8 revisions)
- Castilleja miniata var. fulva (8 revisions)
- Plantago virginica (8 revisions)
- Pedicularis lapponica (8 revisions)
- Brodiaea elegans subsp. elegans (8 revisions)
- Nolina parryi (8 revisions)
- Mammillaria heyderi var. heyderi (8 revisions)
- Atriplex truncata (8 revisions)
- Myoporum laetum (8 revisions)
- Penstemon griffinii (8 revisions)
- Calochortus gunnisonii var. perpulcher (8 revisions)
- Allium paniculatum var. paniculatum (8 revisions)
- Cyrto-hypnum schistocalyx (8 revisions)
- Chryso-hypnum (8 revisions)
- Erythranthe grandis (8 revisions)
- Cypripedium reginae (8 revisions)
- Hexalectris revoluta (8 revisions)
- Bartramia brevifolia (8 revisions)
- Pseudobryum (8 revisions)
- Arctostaphylos pumila (8 revisions)
- Plaubelia sprengelii var. sprengelii (8 revisions)
- Draba rectifructa (8 revisions)
- Dudleya abramsii subsp. costatifolia (8 revisions)
- Primula specuicola (8 revisions)
- Streptanthus brachiatus (8 revisions)
- Batis (8 revisions)
- Pennellia micrantha (8 revisions)
- Lithophragma cymbalaria (8 revisions)
- Carex digitalis var. floridana (8 revisions)
- Sidalcea malviflora subsp. californica (8 revisions)
- Populus deltoides subsp. wislizeni (8 revisions)
- Arabidopsis lyrata subsp. lyrata (8 revisions)
- Rhynchospora californica (8 revisions)
- Carex abrupta (8 revisions)
- Cyclanthera naudiniana (8 revisions)
- Abutilon reventum (8 revisions)
- Acrocomia (8 revisions)
- Senecio squalidus (8 revisions)
- Sagittaria ambigua (8 revisions)
- Spirodela polyrrhiza (8 revisions)
- Acourtia thurberi (8 revisions)
- Hazardia squarrosa var. grindelioides (8 revisions)
- Layia hieracioides (8 revisions)
- Eatonella (8 revisions)
- Onopordum illyricum (8 revisions)
- Krigia wrightii (8 revisions)
- Balsamorhiza macrophylla (8 revisions)
- Galinsoga (8 revisions)
- Argythamnia (8 revisions)
- Cirsium scariosum var. americanum (8 revisions)
- Gaillardia suavis (8 revisions)
- Oxalis latifolia (8 revisions)
- Mentzelia longiloba var. longiloba (8 revisions)
- Eurybia conspicua (8 revisions)
- Geum aleppicum (8 revisions)
- Argythamnia brandegeei var. intonsa (8 revisions)
- Sericocarpus rigidus (8 revisions)
- Cercocarpus betuloides var. traskiae (8 revisions)
- Cotoneaster frigidus (8 revisions)
- Rosa stellata subsp. mirifica (8 revisions)
- Ivesia jaegeri (8 revisions)
- Stellaria cuspidata subsp. cuspidata (8 revisions)
- Silene uralensis (8 revisions)
- Bruchia texana (8 revisions)
- Phyllodoce (8 revisions)
- Polygonum striatulum (8 revisions)
- Pogonatum dentatum (8 revisions)
- Sphagnum fitzgeraldii (8 revisions)
- Castilleja oresbia (8 revisions)
- Synthyris dissecta (8 revisions)
- Pedicularis racemosa subsp. alba (8 revisions)
- Dichelostemma capitatum (8 revisions)
- Yucca aloifolia (8 revisions)
- Mirabilis laevis var. crassifolia (8 revisions)
- Penstemon acuminatus var. latebracteatus (8 revisions)
- Penstemon laxiflorus (8 revisions)
- Streptopus lanceolatus (8 revisions)
- Allium parishii (8 revisions)
- Hamatocaulis lapponicus (8 revisions)
- Homomallium (8 revisions)
- Aphanisma (8 revisions)
- Erythranthe pardalis (8 revisions)
- Vanilla planifolia (8 revisions)
- Prosthechea boothiana (8 revisions)
- Philonotis fontana var. americana (8 revisions)
- Pyrrhobryum (8 revisions)
- Tortula brevipes (8 revisions)
- Draba sphaerocarpa (8 revisions)
- Dudleya pulverulenta (8 revisions)
- Ribes lobbii (8 revisions)
- Salix sect. Cordatae (8 revisions)
- Quadrella (8 revisions)
- Teesdalia coronopifolia (8 revisions)
- Heuchera parviflora var. puberula (8 revisions)
- Carex calcifugens (8 revisions)
- Sidalcea oregana subsp. valida (8 revisions)
- Physaria alpestris (8 revisions)
- Transberingia bursifolia subsp. bursifolia (8 revisions)
- Rhynchospora globularis var. saxicola (8 revisions)
- Carex tahoensis (8 revisions)
- Viola biflora var. carlottae (8 revisions)
- Anoda (8 revisions)
- Vallisneria americana (8 revisions)
- Websteria confervoides (8 revisions)
- Senecio fremontii var. blitoides (8 revisions)
- Juncus triglumis var. albescens (8 revisions)
- Juncus arcticus var. mexicanus (8 revisions)
- Pluchea yucatanensis (8 revisions)
- Lessingia glandulifera var. glandulifera (8 revisions)
- Calycadenia pauciflora (8 revisions)
- Eriophyllum pringlei (8 revisions)
- Arnoseris minima (8 revisions)
- Lygodesmia grandiflora var. entrada (8 revisions)
- Wyethia angustifolia (8 revisions)
- Coreopsis bigelovii (8 revisions)
- Phyllanthus liebmannianus subsp. platylepis (8 revisions)
- Cirsium joannae (8 revisions)
- Wyethia helianthoides (8 revisions)
- Coreopsis hamiltonii (8 revisions)
- Cirsium vinaceum (8 revisions)
- Rudbeckia sect. Rudbeckia (8 revisions)
- Flyriella (8 revisions)
- Mentzelia torreyi var. acerosa (8 revisions)
- Erigeron denalii (8 revisions)
- Eurybia surculosa (8 revisions)
- Crataegus opima (8 revisions)
- Euphorbia yaquiana (8 revisions)
- Solidago simplex var. simplex (8 revisions)
- Chamaebatia foliolosa (8 revisions)
- Cotoneaster horizontalis (8 revisions)
- Packera eurycephala var. lewisrosei (8 revisions)
- Rosa rubiginosa var. rubiginosa (8 revisions)
- Ivesia rhypara var. shellyi (8 revisions)
- Spergularia macrotheca var. leucantha (8 revisions)
- Ceratodon heterophyllus (8 revisions)
- Kalmia hirsuta (8 revisions)
- Polygonum humifusum subsp. caurianum (8 revisions)
- Timmia megapolitana subsp. megapolitana (8 revisions)
- Scouleriaceae (8 revisions)
- Synthyris wyomingensis (8 revisions)
- Agalinis aspera (8 revisions)
- Muilla transmontana (8 revisions)
- Atriplex coulteri (8 revisions)
- Claytonia arenicola (8 revisions)
- Penstemon harringtonii (8 revisions)
- Penstemon procerus var. modestus (8 revisions)
- Erythronium (8 revisions)
- Allium fimbriatum var. mohavense (8 revisions)
- Hypnum curvifolium (8 revisions)
- Dysphania botrys (8 revisions)
- Diplacus compactus (8 revisions)
- Platythelys querceticola (8 revisions)
- Dendrophylax (8 revisions)
- Trachyxiphium (8 revisions)
- Orthotrichum bolanderi (8 revisions)
- Arctostaphylos hooveri (8 revisions)
- Tortula atrovirens (8 revisions)
- Draba zionensis (8 revisions)
- Sedum (8 revisions)
- Anagallis minima (8 revisions)
- Streptanthus insignis (8 revisions)
- Peritoma (8 revisions)
- Lepidium campestre (8 revisions)
- Heuchera alba (8 revisions)
- Carex prasina (8 revisions)
- Physaria carinata subsp. carinata (8 revisions)
- Cardamine angustata (8 revisions)
- Rhynchospora brachychaeta (8 revisions)
- Viola flettii (8 revisions)
- Callirhoë pedata (8 revisions)
- Juncus diffusissimus (8 revisions)
- Scirpus cyperinus (8 revisions)
- Senecio lemmonii (8 revisions)
- Juncus anthelatus (8 revisions)
- Juncus canadensis (8 revisions)
- Chamaemelum fuscatum (8 revisions)
- Lessingia virgata (8 revisions)
- Deinandra mohavensis (8 revisions)
- Eriophyllum lanatum var. obovatum (8 revisions)
- Hecastocleis shockleyi (8 revisions)
- Asteraceae tribe Calenduleae (8 revisions)
- Verbesina occidentalis (8 revisions)
- Coreopsis sect. Coreopsis (8 revisions)
- Linum compactum (8 revisions)
- Arctium (8 revisions)
- Liatris squarrosa var. squarrosa (8 revisions)
- Mentzelia affinis (8 revisions)
- Reynosia (8 revisions)
- Erigeron subglaber (8 revisions)
- Xanthisma sect. Blepharodon (8 revisions)
- Mentzelia argillicola (8 revisions)
- Linum sect. Cathartolinum (8 revisions)
- Solidago subsect. Squarrosae (8 revisions)
- Townsendia glabella (8 revisions)
- Neillia incisa (8 revisions)
- Pyracantha fortuneana (8 revisions)
- Packera malmstenii (8 revisions)
- Rosa carolina subsp. subserrulata (8 revisions)
- Ivesia tweedyi (8 revisions)
- Minuartia austromontana (8 revisions)
- Ditrichum montanum (8 revisions)
- Calluna (8 revisions)
- Polygonum hickmanii (8 revisions)
- Encalypta ciliata (8 revisions)
- Sphagnum jensenii (8 revisions)
- Castilleja revealii (8 revisions)
- Veronica serpyllifolia (8 revisions)
- Agalinis heterophylla (8 revisions)
- Triteleia hyacinthina (8 revisions)
- Hesperoyucca (8 revisions)
- Atriplex subg. Pterochiton (8 revisions)
- Mirabilis tenuiloba (8 revisions)
- Penstemon pachyphyllus var. congestus (8 revisions)
- Penstemon sudans (8 revisions)
- Erythronium tuolumnense (8 revisions)
- Allium bolanderi var. bolanderi (8 revisions)
- Hypnum revolutum (8 revisions)
- Anulocaulis leiosolenus var. lasianthus (8 revisions)
- Diplacus cusickii (8 revisions)
- Dichromanthus (8 revisions)
- Malaxis (8 revisions)
- Palustriella (8 revisions)
- Brachytheciastrum fendleri (8 revisions)
- Pterygoneurum subsessile var. subsessile (8 revisions)
- Gemmabryum badium (8 revisions)
- Boechera calderi (8 revisions)
- Ribes watsonianum (8 revisions)
- Trichodon (8 revisions)
- Salix turnorii (8 revisions)
- Lepidium integrifolium (8 revisions)
- Ribes nigrum (8 revisions)
- Carex misera (8 revisions)
- Sphaeralcea fendleri var. fendleri (8 revisions)
- Physaria dornii (8 revisions)
- Cardamine flexuosa (8 revisions)
- Cladium californicum (8 revisions)
- Carex cumulata (8 revisions)
- Viola lobata var. lobata (8 revisions)
- Eremalche exilis (8 revisions)
- Xyris tennesseensis (8 revisions)
- Bulbostylis juncoides (8 revisions)
- Packera cana (8 revisions)
- Najas guadalupensis subsp. floridana (8 revisions)
- Sphaeromeria capitata (8 revisions)
- Symphyotrichum chapmanii (8 revisions)
- Deinandra corymbosa (8 revisions)
- Arnica acaulis (8 revisions)
- Hieracium vulgatum (8 revisions)
- Antennaria arcuata (8 revisions)
- Phoebanthus (8 revisions)
- Santalum (8 revisions)
- Crupina (8 revisions)
- Hymenoxys helenioides (8 revisions)
- Liatris elegans var. bridgesii (8 revisions)
- Arceuthobium campylopodum subsp. blumeri (8 revisions)
- Condalia (8 revisions)
- Pentachaeta aurea (8 revisions)
- Xanthisma spinulosum var. gooddingii (8 revisions)
- Vitis acerifolia (8 revisions)
- Tragia brevispica (8 revisions)
- Baccharis pteronioides (8 revisions)
- Chaetopappa asteroides var. asteroides (8 revisions)
- Malus halliana (8 revisions)
- Rosa pisocarpa subsp. ahartii (8 revisions)
- Ivesia campestris (8 revisions)
- Minuartia macrantha (8 revisions)
- Pieris floribunda (8 revisions)
- Polygonum sawatchense subsp. oblivium (8 revisions)
- Brachydontium (8 revisions)
- Mabrya acerifolia (8 revisions)
- Veronica dillenii (8 revisions)
- Agalinis purpurea var. purpurea (8 revisions)
- Milla biflora (8 revisions)
- Agave schottii var. treleasei (8 revisions)
- Atriplex garrettii (8 revisions)
- Claytonia sibirica (8 revisions)
- Penstemon concinnus (8 revisions)
- Penstemon azureus var. azureus (8 revisions)
- Erythronium propullans (8 revisions)
- Allium serra (8 revisions)
- Orthothecium chryseum var. cochleariifolium (8 revisions)
- Chenopodium glaucum var. glaucum (8 revisions)
- Diplacus brandegeei (8 revisions)
- Spiranthes vernalis (8 revisions)
- Corallorhiza (8 revisions)
- Hygrohypnum polare (8 revisions)
- Brachythecium cirrosum (8 revisions)
- Aloina hamulus (8 revisions)
- Gemmabryum radiculosum (8 revisions)
- Boechera divaricarpa (8 revisions)
- Theaceae (8 revisions)
- Rhachitheciaceae (8 revisions)
- Thelypodium flexuosum (8 revisions)
- Populus heterophylla (8 revisions)
- Tolmiea diplomenziesii (8 revisions)
- Sedum nanifolium (8 revisions)
- Carex petricosa var. misandroides (8 revisions)
- Sphaeralcea pedatifida (8 revisions)
- Physaria geyeri subsp. geyeri (8 revisions)
- Cardamine parviflora (8 revisions)
- Scleria ciliata var. glabra (8 revisions)
- Carex molestiformis (8 revisions)
- Viola pedata var. pedata (8 revisions)
- Hibiscus poeppigii (8 revisions)
- Carex brainerdii (8 revisions)
- Cyperus dentatus (8 revisions)
- Halophila johnsonii (8 revisions)
- Artemisia pedatifida (8 revisions)
- Ericameria nauseosa var. latisquamea (8 revisions)
- Hemizonia congesta subsp. tracyi (8 revisions)
- Arnica chamissonis (8 revisions)
- Leontodon saxatilis subsp. saxatilis (8 revisions)
- Antennaria solitaria (8 revisions)
- Flourensia pringlei (8 revisions)
- Cosmos (8 revisions)
- Euphorbia helleri (8 revisions)
- Centaurea jacea (8 revisions)
- Tetraneuris linearifolia var. linearifolia (8 revisions)
- Liatris provincialis (8 revisions)
- Linum berlandieri var. filifolium (8 revisions)
- Oxalis oregana (8 revisions)
- Erigeron inornatus var. inornatus (8 revisions)
- Dieteria bigelovii var. commixta (8 revisions)
- Buckleya distichophylla (8 revisions)
- Euphorbia deltoidea subsp. deltoidea (8 revisions)
- Solidago subsect. Argutae (8 revisions)
- Chrysopsis scabrella (8 revisions)
- Prunus fasciculata var. punctata (8 revisions)
- Cydonia oblonga (8 revisions)
- Ericameria parryi var. imula (8 revisions)
- Rosaceae tribe Potentilleae (8 revisions)
- Horkelia rydbergii (8 revisions)
- Minuartia rossii (8 revisions)
- Zenobia (8 revisions)
- Persicaria sect. Echinocaulon (8 revisions)
- Fissidens subbasilaris (8 revisions)
- Castilleja wightii (8 revisions)
- Ceratotheca triloba (8 revisions)
- Aureolaria flava (8 revisions)
- Agave americana subsp. protamericana (8 revisions)
- Funaria hygrometrica (8 revisions)
- Atriplex canescens var. macilenta (8 revisions)
- Lewisia cotyledon var. heckneri (8 revisions)
- Penstemon guadalupensis (8 revisions)
- Penstemon kingii (8 revisions)
- Fritillaria liliacea (8 revisions)
- Allium aaseae (8 revisions)
- Sisyrinchium elmeri (8 revisions)
- Orthotrichum praemorsum (8 revisions)
- Chenopodium pratericola (8 revisions)
- Diplacus puniceus (8 revisions)
- Spiranthes ochroleuca (8 revisions)
- Corallorhiza mertensiana (8 revisions)
- Amphidium mougeotii (8 revisions)
- Brachythecium udum (8 revisions)
- Syntrichia ammonsiana (8 revisions)
- Imbribryum miniatum (8 revisions)
- Salix sessilifolia (8 revisions)
- Shortia (8 revisions)
- Schistostega pennata (8 revisions)
- Thelypodium rollinsii (8 revisions)
- Arivela viscosa (8 revisions)
- Tiarella trifoliata var. laciniata (8 revisions)
- Sedum sarmentosum (8 revisions)
- Carex complanata (8 revisions)
- Urena (8 revisions)
- Physaria hitchcockii subsp. confluens (8 revisions)
- Leavenworthia exigua (8 revisions)
- Brassicaceae tribe Lunarieae (8 revisions)
- Carex crus-corvi (8 revisions)
- Carex ramenskii (8 revisions)
- Hibiscus coccineus (8 revisions)
- Boechera holboellii (8 revisions)
- Carex novae-angliae (8 revisions)
- Cyperus difformis (8 revisions)
- Luzula pallidula (8 revisions)
- Xyris isoetifolia (8 revisions)
- Symphyotrichum walteri (8 revisions)
- Harmonia stebbinsii (8 revisions)
- Arnica latifolia (8 revisions)
- Antennaria corymbosa (8 revisions)
- Melanthera (8 revisions)
- Bidens frondosa (8 revisions)
- Tragia smallii (8 revisions)
- Centaurea solstitialis (8 revisions)
- Tetraneuris acaulis var. epunctata (8 revisions)
- Liatris gracilis (8 revisions)
- Petalonyx linearis (8 revisions)
- Hesperolinon clevelandii (8 revisions)
- Erigeron breweri var. breweri (8 revisions)
- Arida arizonica (8 revisions)
- Philadelphus pubescens (8 revisions)
- Croton capitatus (8 revisions)
- Solidago patula subsp. patula (8 revisions)
- Pityopsis pinifolia (8 revisions)
- Prunus armeniaca (8 revisions)
- Crataegus (sect. Crataegus) ser. Apiifoliae (8 revisions)
- Pseudogynoxys chenopodioides (8 revisions)
- Potentilla simplex (8 revisions)
- Horkelia californica var. elata (8 revisions)
- Crataegus flava (8 revisions)
- Persicaria sect. Persicaria (8 revisions)
- Fissidens amoenus (8 revisions)
- Cordylanthus eremicus (8 revisions)
- Kopsiopsis hookeri (8 revisions)
- Physcomitrium hookeri (8 revisions)
- Mirabilis jalapa var. jalapa (8 revisions)
- Lewisia triphylla (8 revisions)
- Penstemon triflorus var. triflorus (8 revisions)
- Penstemon purpusii (8 revisions)
- Allium burlewii (8 revisions)
- Sisyrinchium radicatum (8 revisions)
- Sematophyllum (8 revisions)
- Chenopodium incanum var. elatum (8 revisions)
- Callitriche (8 revisions)
- Maxillaria parviflora (8 revisions)
- Lilium lancifolium (8 revisions)
- Pseudocalliergon (8 revisions)
- Donrichardsia pringlei (8 revisions)
- Microbryum starckeanum var. fosbergii (8 revisions)
- Ptychostomum subg. Cladodium (8 revisions)
- Styrax japonicus (8 revisions)
- Trichostomum brachydontium (8 revisions)
- Berteroa (8 revisions)
- Sullivantia oregana (8 revisions)
- Sedum albomarginatum (8 revisions)
- Carex dasycarpa (8 revisions)
- Dirca occidentalis (8 revisions)
- Salix ovalifolia var. ovalifolia (8 revisions)
- Noccaea fendleri subsp. glauca (8 revisions)
- Carex sect. Multiflorae (8 revisions)
- Carex nudata (8 revisions)
- Iliamna remota (8 revisions)
- Boechera microphylla (8 revisions)
- Cyperus lanceolatus (8 revisions)
- Sagittaria graminea subsp. chapmanii (8 revisions)
- Arecaceae (tribe Areceae) subtribe Roystoneinae (8 revisions)
- Symphyotrichum sect. Conyzopsis (8 revisions)
- Madia citriodora (8 revisions)
- Rudbeckia laciniata var. ampla (8 revisions)
- Antennaria densifolia (8 revisions)
- Artemisia subg. Absinthium (8 revisions)
- Borrichia (8 revisions)
- Leuciva (8 revisions)
- Elephantopus carolinianus (8 revisions)
- Scorzonera laciniata (8 revisions)
- Marshallia ramosa (8 revisions)
- Carphephorus pseudoliatris (8 revisions)
- Putranjivaceae (8 revisions)
- Linaceae (8 revisions)
- Acalypha australis (8 revisions)
- Erigeron acris var. kamtschaticus (8 revisions)
- Xylorhiza tortifolia var. imberbis (8 revisions)
- Mentzelia obscura (8 revisions)
- Acalypha gracilens (8 revisions)
- Croptilon (8 revisions)
- Prunus rivularis (8 revisions)
- Barkleyanthus salicifolius (8 revisions)
- Potentilla sect. Terminales (8 revisions)
- Rubus bifrons (8 revisions)
- Sagina maxima subsp. maxima (8 revisions)
- Crataegus padifolia var. incarnata (8 revisions)
- Persicaria longiseta (8 revisions)
- Fissidens zollingeri (8 revisions)
- Cordylanthus pilosus subsp. trifidus (8 revisions)
- Orobanche corymbosa subsp. mutabilis (8 revisions)
- Hydrangeaceae Illustrations (8 revisions)
- Furcraea selloa (8 revisions)
- Schistidium agassizii (8 revisions)
- Suaeda taxifolia (8 revisions)
- Phemeranthus calycinus (8 revisions)
- Penstemon eatonii var. eatonii (8 revisions)
- Penstemon clevelandii (8 revisions)
- Crinum asiaticum (8 revisions)
- Zigadenus densus (8 revisions)
- Heterophyllium (8 revisions)
- Chenopodium standleyanum (8 revisions)
- Trillium maculatum (8 revisions)
- Lilium kelleyanum (8 revisions)
- Sanionia (8 revisions)
- Homalothecium nevadense (8 revisions)
- Galearis spectabilis (8 revisions)
- Hennediella stanfordensis (8 revisions)
- Ptychostomum reedii (8 revisions)
- Sarracenia alabamensis subsp. alabamensis (8 revisions)
- Tortella (8 revisions)
- Arabis pycnocarpa var. pycnocarpa (8 revisions)
- Astilbe biternata (8 revisions)
- Villadia (8 revisions)
- Carex congdonii (8 revisions)
- Physaria newberryi subsp. newberryi (8 revisions)
- Thlaspi alliaceum (8 revisions)
- Rorippa ramosa (8 revisions)
- Nerisyrenia camporum (8 revisions)
- Carex socialis (8 revisions)
- Carex haydenii (8 revisions)
- Lavatera (8 revisions)
- Cistus salviifolius (8 revisions)
- Boechera pinetorum (8 revisions)
- Carex scirpoidea subsp. pseudoscirpoidea (8 revisions)
- Cyperus articulatus (8 revisions)
- Livistona rotundifolia (8 revisions)
- Symphyotrichum oolentangiense (8 revisions)
- Hymenopappus filifolius var. luteus (8 revisions)
- Hymenothrix loomisii (8 revisions)
- Pseudognaphalium thermale (8 revisions)
- Artemisia furcata (8 revisions)
- Lagascea (8 revisions)
- Pectis linearifolia (8 revisions)
- Vernonia glauca (8 revisions)
- Malacothrix foliosa (8 revisions)
- Eupatorium godfreyanum (8 revisions)
- Ratibida peduncularis var. picta (8 revisions)
- Euphorbia subg. Esula (8 revisions)
- Colubrina texensis (8 revisions)
- Pyrrocoma carthamoides var. cusickii (8 revisions)
- Arceuthobium campylopodum subsp. apachecum (8 revisions)
- Euphorbia cordifolia (8 revisions)
- Solidago delicatula (8 revisions)
- Heterotheca oregona var. rudis (8 revisions)
- Kerria (8 revisions)
- Crataegus okennonii (8 revisions)
- Krameria ramosissima (8 revisions)
- Psacalium (8 revisions)
- Horkeliella purpurascens (8 revisions)
- Geum vernum (8 revisions)
- Brunnichia ovata (8 revisions)
- Aconogonon phytolaccifolium var. glabrum (8 revisions)
- Campylopodiella stenocarpa (8 revisions)
- Cordylanthus wrightii subsp. wrightii (8 revisions)
- Orobanche cooperi subsp. latiloba (8 revisions)
- Vitaceae Illustrations (8 revisions)
- Smilax bona-nox (8 revisions)
- Schistidium grandirete (8 revisions)
- Amaranthaceae (8 revisions)
- Seymeria pectinata subsp. peninsularis (8 revisions)
- Penstemon sect. Glabri (8 revisions)
- Penstemon palmeri var. palmeri (8 revisions)
- Hymenocallis liriosme (8 revisions)
- Iris pallida (8 revisions)
- Schoenobryum (8 revisions)
- Buddleja sessiliflora (8 revisions)
- Orchidaceae (tribe Arethuseae) subtribe Bletiinae (8 revisions)
- Lilium canadense (8 revisions)
- Campylophyllum hispidulum (8 revisions)
- Rhynchostegium (8 revisions)
- Platanthera hyperborea (8 revisions)
- Ephemeraceae (8 revisions)
- Ptychostomum turbinatum (8 revisions)
- Weissia controversa (8 revisions)
- Athysanus pusillus (8 revisions)
- Saxifraga flagellaris subsp. setigera (8 revisions)
- Manilkara jaimiqui (8 revisions)
- Carex rotundata (8 revisions)
- Physaria pendula (8 revisions)
- Salix caprea (8 revisions)
- Subularia aquatica subsp. americana (8 revisions)
- Vaccinium macrocarpon (8 revisions)
- Carex muehlenbergii var. muehlenbergii (8 revisions)
- Carex bigelowii subsp. bigelowii (8 revisions)
- Malacothamnus abbottii (8 revisions)
- Boechera rigidissima (8 revisions)
- Cyperus papyrus (8 revisions)
- Murdannia spirata (8 revisions)
- Symphyotrichum simmondsii (8 revisions)
- Amauriopsis (8 revisions)
- Acourtia nana (8 revisions)
- Artemisia ludoviciana subsp. incompta (8 revisions)
- Helianthus annuus (8 revisions)
- Pectis linifolia var. linifolia (8 revisions)
- Malacothrix saxatilis var. arachnoidea (8 revisions)
- Eupatorium pilosum (8 revisions)
- Ageratina luciae-brauniae (8 revisions)
- Hesperolinon adenophyllum (8 revisions)
- Linum medium var. texanum (8 revisions)
- Erigeron uintahensis (8 revisions)
- Pyrrocoma lanceolata var. lanceolata (8 revisions)
- Arceuthobium campylopodum subsp. cyanocarpum (8 revisions)
- Croton monanthogynus (8 revisions)
- Solidago odora subsp. chapmanii (8 revisions)
- Heterotheca fulcrata var. senilis (8 revisions)
- Crataegus macracantha (8 revisions)
- Eucnide urens (8 revisions)
- Cacaliopsis nardosmia (8 revisions)
- Potentilla hippiana (8 revisions)
- Chamaebatiaria millefolium (8 revisions)
- Dianthus plumarius (8 revisions)
- Crataegus ashei (8 revisions)
- Rumex subg. Acetosella (8 revisions)
- Limonium limbatum (8 revisions)
- Campylopus pilifer (8 revisions)
- Orthocarpus pachystachyus (8 revisions)
- Antirrhinum majus (8 revisions)
- Smilax smallii (8 revisions)
- Sphagnum cribrosum (8 revisions)
- Amaranthus australis (8 revisions)
- Castilleja angustifolia var. flavescens (8 revisions)
- Scrophularia desertorum (8 revisions)
- Digitalis (8 revisions)
- Hymenocallis latifolia (8 revisions)
- Iris hookeri (8 revisions)
- Jaegerina (8 revisions)
- Kochia (8 revisions)
- Orchidaceae (tribe Orchideae) subtribe Habenariinae (8 revisions)
- Hypoxis rigida (8 revisions)
- Hylocomiastrum (8 revisions)
- Sciuro-hypnum hylotapetum (8 revisions)
- Platanthera grandiflora (8 revisions)
- Syrrhopodon texanus (8 revisions)
- Rosulabryum erythroloma (8 revisions)
- Pyrola americana (8 revisions)
- Anoectangium stracheyanum (8 revisions)
- Draba arida (8 revisions)
- Saxifraga radiata (8 revisions)
- Ribes californicum var. hesperium (8 revisions)
- Carex thurberi (8 revisions)
- Salix ballii (8 revisions)
- Salix candida (8 revisions)
- Cochlearia tridactylites (8 revisions)
- Vaccinium myrsinites (8 revisions)
- Carex stylosa (8 revisions)
- Malva verticillata (8 revisions)
- Lechea tenuifolia (8 revisions)
- Boechera texana (8 revisions)
- Carex geyeri (8 revisions)
- Cyperus grayi (8 revisions)
- Calophyllum (8 revisions)
- Passiflora pallida (8 revisions)
- Tradescantia pinetorum (8 revisions)
- Coccothrinax (8 revisions)
- Symphyotrichum praealtum (8 revisions)
- Asteraceae (tribe Heliantheae) subtribe Milleriinae (8 revisions)
- Peltandra (8 revisions)
- Gamochaeta sphacelata (8 revisions)
- Artemisia tilesii (8 revisions)
- Parthenium hysterophorus (8 revisions)
- Porophyllum ruderale var. macrocephalum (8 revisions)
- Crepis capillaris (8 revisions)
- Agoseris aurantiaca var. aurantiaca (8 revisions)
- Eutrochium maculatum var. bruneri (8 revisions)
- Zaluzania grayana (8 revisions)
- Ceanothus gloriosus var. gloriosus (8 revisions)
- Schoepfiaceae (8 revisions)
- Erigeron aliceae (8 revisions)
- Ericameria linearis (8 revisions)
- Oxalis macrantha (8 revisions)
- Ceanothus incanus (8 revisions)
- Eucephalus vialis (8 revisions)
- Crataegus viridis var. viridis (8 revisions)
- Vitis cinerea var. helleri (8 revisions)
- Tetradymia comosa (8 revisions)
- Drymocallis lactea var. austiniae (8 revisions)
- Spiraea lucida (8 revisions)
- Crataegus frugiferens (8 revisions)
- Potentilla versicolor (8 revisions)
- Rumex floridanus (8 revisions)
- Eremogone congesta var. suffrutescens (8 revisions)
- Cynodontium schisti (8 revisions)
- Triphysaria versicolor subsp. faucibarbata (8 revisions)
- Euphrasia hudsoniana (8 revisions)
- Arctostaphylos klamathensis (8 revisions)
- Andreaea (8 revisions)
- Grimmia caespiticia (8 revisions)
- Amaranthus hybridus (8 revisions)
- Penstemon leiophyllus var. keckii (8 revisions)
- Dopatrium junceum (8 revisions)
- Zephyranthes rosea (8 revisions)
- Iris munzii (8 revisions)
- Neckeropsis (8 revisions)
- Corispermum navicula (8 revisions)
- Collinsia heterophylla var. heterophylla (8 revisions)
- Calochortus (8 revisions)
- Maianthemum racemosum subsp. racemosum (8 revisions)
- Pleurozium schreberi (8 revisions)
- Entodontopsis (8 revisions)
- Piperia (8 revisions)
- Octoblepharum (8 revisions)
- Mielichhoferia (8 revisions)
- Barbula indica (8 revisions)
- Draba carnosula (8 revisions)
- Crassula connata (8 revisions)
- Diospyros virginiana (8 revisions)
- Sisymbrium linifolium (8 revisions)
- Salix subg. Protitea (8 revisions)
- Descurainia nelsonii (8 revisions)
- Micranthes nudicaulis (8 revisions)
- Carex divisa (8 revisions)
- Carex serratodens (8 revisions)
- Carex michauxiana (8 revisions)
- Malvella sagittifolia (8 revisions)
- Crocanthemum canadense (8 revisions)
- Phoenicaulis (8 revisions)
- Eleocharis cylindrica (8 revisions)
- Cyperus thyrsiflorus (8 revisions)
- Hypericum kalmianum (8 revisions)
- Passiflora incarnata (8 revisions)
- Zannichellia (8 revisions)
- Xyris drummondii (8 revisions)
- Symphyotrichum novi-belgii var. elodes (8 revisions)
- Perityle sect. Laphamia (8 revisions)
- Juncus orthophyllus (8 revisions)
- Euchiton (8 revisions)
- Matricaria discoidea (8 revisions)
- Helianthus divaricatus (8 revisions)
- Thymophylla setifolia var. greggii (8 revisions)
- Crepis occidentalis subsp. costata (8 revisions)
- Ageratum (8 revisions)
- Zinnia grandiflora (8 revisions)
- Euphorbia chaetocalyx var. triligulata (8 revisions)
- Mentzelia lindheimeri (8 revisions)
- Erigeron bellidiastrum var. robustus (8 revisions)
- Grindelia subalpina (8 revisions)
- Stillingia sylvatica (8 revisions)
- Cornus unalaschkensis (8 revisions)
- Solidago velutina subsp. californica (8 revisions)
- Erigeron corymbosus (8 revisions)
- Crataegus crus-galli var. pyracanthifolia (8 revisions)
- Zygophyllaceae (8 revisions)
- Petasites frigidus var. frigidus (8 revisions)
- Drymocallis cuneifolia (8 revisions)
- Spiraea cantoniensis (8 revisions)
- Crataegus integra (8 revisions)
- Potentilla concinna var. proxima (8 revisions)
- Rumex pallidus (8 revisions)
- Eremogone kingii var. glabrescens (8 revisions)
- Dicranella cerviculata (8 revisions)
- Rhinanthus (8 revisions)
- Arctostaphylos tomentosa subsp. tomentosa (8 revisions)
- Tetraphidaceae (8 revisions)
- Grimmia subg. Rhabdogrimmia (8 revisions)
- Amaranthus deflexus (8 revisions)
- Castilleja densiflora (8 revisions)
- Penstemon pseudoputus (8 revisions)
- Gratiola viscidula (8 revisions)
- Camassia quamash subsp. azurea (8 revisions)
- Thamnobryum alleghaniense (8 revisions)
- Atriplex subg. Atriplex (8 revisions)
- Calochortus coxii (8 revisions)
- Echeandia chandleri (8 revisions)
- Haplocladium microphyllum (8 revisions)
- Orthotrichum kellmanii (8 revisions)
- Dactylorhiza aristata (8 revisions)
- Orthotrichum underwoodii (8 revisions)
- Meesia (8 revisions)
- Pityopus (8 revisions)
- Sphagnum subsecundum (8 revisions)
- Salix sect. Maccallianae (8 revisions)
- Kalanchoë (8 revisions)
- Hottonia inflata (8 revisions)
- Smelowskia pyriformis (8 revisions)
- Salix sect. Sitchenses (8 revisions)
- Tropidocarpum gracile (8 revisions)
- Vaccinium sect. Batodendron (8 revisions)
- Carex barrattii (8 revisions)
- Carex diluta (8 revisions)
- Pseudabutilon umbellatum (8 revisions)
- Frankenia (8 revisions)
- Brassica rapa (8 revisions)
- Eleocharis bifida (8 revisions)
- Cyperus odoratus (8 revisions)
- Carex sect. Glareosae (8 revisions)
- Hypericum nudiflorum (8 revisions)
- Fremontodendron mexicanum (8 revisions)
- Lachnocaulon beyrichianum (8 revisions)
- Najas guadalupensis subsp. guadalupensis (8 revisions)
- Symphyotrichum hendersonii (8 revisions)
- Perityle tenella (8 revisions)
- Juncus capillaris (8 revisions)
- Filago vulgaris (8 revisions)
- Helianthus tuberosus (8 revisions)
- Thymophylla tenuiloba var. wrightii (8 revisions)
- Crepis runcinata subsp. imbricata (8 revisions)
- Microseris laciniata subsp. leptosepala (8 revisions)
- Stevia serrata (8 revisions)
- Silphium terebinthinaceum var. pinnatifidum (8 revisions)
- Ceanothus arcuatus (8 revisions)
- Garrya buxifolia (8 revisions)
- Erigeron strigosus var. calcicola (8 revisions)
- Hulsea vestita subsp. parryi (8 revisions)
- Euphorbia ocellata subsp. ocellata (8 revisions)
- Adolphia californica (8 revisions)
- Oreochrysum parryi (8 revisions)
- Erigeron jonesii (8 revisions)
- Crataegus spes-aestatum (8 revisions)
- Philadelphus (8 revisions)
- Ericameria zionis (8 revisions)
- Alchemilla wichurae (8 revisions)
- Holodiscus discolor var. dumosus (8 revisions)
- Crataegus rivuloadamensis (8 revisions)
- Potentilla rhyolitica (8 revisions)
- Sphagnum recurvum (8 revisions)
- Erythranthe rhodopetra (8 revisions)
- Arctostaphylos glandulosa subsp. crassifolia (8 revisions)
- Rumex confertus (8 revisions)
- Sphagnum magellanicum (8 revisions)
- Grimmia pulvinata (8 revisions)
- Achyranthes aspera var. pubescens (8 revisions)
- Castilleja flava var. rustica (8 revisions)
- Scoparia dulcis (8 revisions)
- Chlorogalum pomeridianum (8 revisions)
- Nemastylis tenuis (8 revisions)
- Forsstroemia (8 revisions)
- Acleisanthes wrightii (8 revisions)
- Penstemon davidsonii var. praeteritus (8 revisions)
- Calochortus umpquaensis (8 revisions)
- Aletris farinosa (8 revisions)
- Lindbergia (8 revisions)
- Dichelyma (8 revisions)
- Epipactis helleborine (8 revisions)
- Ulota obtusiuscula (8 revisions)
- Pohlia flexuosa (8 revisions)
- Ribes oxyacanthoides var. oxyacanthoides (8 revisions)
- Didymodon nicholsonii (8 revisions)
- Draba incerta (8 revisions)
- Ribes cereum var. colubrinum (8 revisions)
- Douglasia idahoensis (8 revisions)
- Caulanthus inflatus (8 revisions)
- Tropaeolum majus (8 revisions)
- Erysimum franciscanum (8 revisions)
- Micranthes occidentalis (8 revisions)
- Carex aurea (8 revisions)
- Carex circinata (8 revisions)
- Sida longipes (8 revisions)
- Tamarix ramosissima (8 revisions)
- Salix polaris (8 revisions)
- Lipocarpha microcephala (8 revisions)
- Bolboschoenus maritimus subsp. maritimus (8 revisions)
- Hypericum sect. Brathys (8 revisions)
- Triumfetta semitriloba (8 revisions)
- Eleocharis (sect. Eleocharis) ser. Tenuissimae (8 revisions)
- Perityle staurophylla (8 revisions)
- Sagittaria demersa (8 revisions)
- Zostera marina (8 revisions)
- Micropus californicus var. subvestitus (8 revisions)
- Glebionis coronaria (8 revisions)
- Flaveria linearis (8 revisions)
- Taraxacum hyparcticum (8 revisions)
- Stebbinsoseris (8 revisions)
- Brickellia amplexicaulis (8 revisions)
- Silphium glutinosum (8 revisions)
- Euonymus alatus (8 revisions)
- Cirsium inamoenum var. davisii (8 revisions)
- Aphanostephus skirrhobasis var. kidderi (8 revisions)
- Chaenactis douglasii var. alpina (8 revisions)
- Ceanothus megacarpus var. insularis (8 revisions)
- Ceanothus prostratus var. prostratus (8 revisions)
- Erigeron davisii (8 revisions)
- Crataegus mollis var. meridionalis (8 revisions)
- Oxalis articulata (8 revisions)
- Neonesomia (8 revisions)
- Aphanes australis (8 revisions)
- Rubus repens (8 revisions)
- Crataegus laurentiana (8 revisions)
- Potentilla nana (8 revisions)
- Cerastium diffusum (8 revisions)
- Dicranum fuscescens var. fuscescens (8 revisions)
- Buddleja racemosa (8 revisions)
- Cassiope lycopodioides (8 revisions)
- Rumex obtusifolius (8 revisions)
- Polytrichastrum sexangulare var. sexangulare (8 revisions)
- Jaffueliobryum wrightii (8 revisions)
- Tidestromia carnosa (8 revisions)
- Castilleja indivisa (8 revisions)
- Penstemon attenuatus var. pseudoprocerus (8 revisions)
- Plantago aristata (8 revisions)
- Pedicularis bracteosa var. siifolia (8 revisions)
- Hastingsia serpentinicola (8 revisions)
- Romulea (8 revisions)
- Anomodon attenuatus (8 revisions)
- Atriplex sect. Dialysex (8 revisions)
- Penstemon personatus (8 revisions)
- Calochortus simulans (8 revisions)
- Allium canadense var. ecristatum (8 revisions)
- Pseudoleskea saviana (8 revisions)
- Fontinalis welchiana (8 revisions)
- Trillium chloropetalum (8 revisions)
- Hedwigia detonsa (8 revisions)
- Cinclidium subrotundum (8 revisions)
- Arctostaphylos hookeri (8 revisions)
- Molendoa (8 revisions)
- Draba mogollonica (8 revisions)
- Dudleya (8 revisions)
- Dodecatheon clevelandii var. patulum (8 revisions)
- Hesperidanthus argillaceus (8 revisions)
- Limnanthes vinculans (8 revisions)
- Carex tetanica (8 revisions)
- Sidalcea calycosa (8 revisions)
- Apodanthaceae (8 revisions)
- Eruca vesicaria subsp. sativa (8 revisions)
- Rhynchospora corniculata (8 revisions)
- Carex deweyana var. collectanea (8 revisions)
- Hypericum paucifolium (8 revisions)
- Melochia pyramidata var. pyramidata (8 revisions)
- Xyris serotina (8 revisions)
- Eleocharis retroflexa (8 revisions)
- Senecio actinella (8 revisions)
- Syngonanthus flavidulus (8 revisions)
- Stuckenia vaginata (8 revisions)
- Rayjacksonia aurea (8 revisions)
- Asteraceae (tribe Heliantheae) subtribe Madiinae (8 revisions)
- Lasthenia californica subsp. californica (8 revisions)
- Lapsana (8 revisions)
- Stephanomeria exigua subsp. deanei (8 revisions)
- Brickellia cylindracea (8 revisions)
- Berlandiera pumila (8 revisions)
- Cirsium arizonicum var. arizonicum (8 revisions)
- Boltonia caroliniana (8 revisions)
- Chaenactis glabriuscula var. orcuttiana (8 revisions)
- Euphorbia jejuna (8 revisions)
- Larrea (8 revisions)
- Erigeron concinnus var. subglaber (8 revisions)
- Crataegus holmesiana (8 revisions)
- Tribulus (8 revisions)
- Gutierrezia sarothrae (8 revisions)
- Poteridium (8 revisions)
- Sorbus subg. Aria (8 revisions)
- Amelanchier utahensis (8 revisions)
- Potentilla tikhomirovii (8 revisions)
- Cerastium terrae-novae (8 revisions)
- Kiaeria blyttii (8 revisions)
- Erythranthe trinitiensis (8 revisions)
- Oxyria digyna (8 revisions)
- Polytrichum juniperinum (8 revisions)
- Bucklandiella sect. Lawtonia (8 revisions)
- Alternanthera paronychioides (8 revisions)
- Castilleja lineariloba (8 revisions)
- Plantago macrocarpa (8 revisions)
- Pedicularis dudleyi (8 revisions)
- Ornithogalum nutans (8 revisions)
- Penstemon caespitosus var. caespitosus (8 revisions)
- Verbascum (8 revisions)
- Calochortus aureus (8 revisions)
- Allium perdulce (8 revisions)
- Orthotrichum alpestre (8 revisions)
- Climacium (8 revisions)
- Erythranthe geniculata (8 revisions)
- Burmannia capitata (8 revisions)
- Calopogon tuberosus (8 revisions)
- Tetraplodon urceolatus (8 revisions)
- Mnium stellare (8 revisions)
- Arctostaphylos parryana subsp. tumescens (8 revisions)
- Rhexophyllum (8 revisions)
- Draba pauciflora (8 revisions)
- Dudleya cymosa subsp. gigantea (8 revisions)
- Dodecatheon pulchellum var. shoshonense (8 revisions)
- Stanleya elata (8 revisions)
- Euclidium (8 revisions)
- Chrysosplenium iowense (8 revisions)
- Carex blanda (8 revisions)
- Cucurbita melopepo subsp. melopepo (8 revisions)
- Brassicaceae tribe Buniadeae (8 revisions)
- Rhynchospora nitens (8 revisions)
- Bolboschoenus fluviatilis (8 revisions)
- Hypericum scouleri (8 revisions)
- Sicyos microphyllus (8 revisions)
- Echinodorus cordifolius subsp. cordifolius (8 revisions)
- Eleocharis lanceolata (8 revisions)
- Senecio integerrimus var. scribneri (8 revisions)
- Tillandsia simulata (8 revisions)
- Hechtia texensis (8 revisions)
- Hesperevax acaulis var. acaulis (8 revisions)
- Isocoma rusbyi (8 revisions)
- Layia heterotricha (8 revisions)
- Lactuca serriola (8 revisions)
- Cirsium altissimum (8 revisions)
- Echinacea simulata (8 revisions)
- Bahiopsis parishii (8 revisions)
- Euphorbia jaegeri (8 revisions)
- Trixis inula (8 revisions)
- Herrickia (8 revisions)
- Balduina uniflora (8 revisions)
- Brickellia grandiflora (8 revisions)
- Euphorbia angusta (8 revisions)
- Cevallia sinuata (8 revisions)
- Amphipappus fremontii var. spinosus (8 revisions)
- Erigeron parryi (8 revisions)
- Crataegus aemula (8 revisions)
- Mentzelia jonesii (8 revisions)
- Euthamia graminifolia (8 revisions)
- Dryas drummondii (8 revisions)
- Sorbus sitchensis var. sitchensis (8 revisions)
- Amelanchier bartramiana (8 revisions)
- Potentilla uschakovii (8 revisions)
- Myosoton (8 revisions)
- Silene scouleri (8 revisions)
- Rhabdoweisia crenulata (8 revisions)
- Rhododendron atlanticum (8 revisions)
- Polygonella americana (8 revisions)
- Atrichum (8 revisions)
- Niphotrichum sect. Elongata (8 revisions)
- Phytolacca americana var. americana (8 revisions)
- Castilleja miniata var. oblongifolia (8 revisions)
- Lindernia antipoda (8 revisions)
- Brodiaea elegans subsp. hooveri (8 revisions)
- Nolina bigelovii (8 revisions)
- Atriplex subsect. Wolfianae (8 revisions)
- Penstemon linarioides var. maguirei (8 revisions)
- Penstemon harbourii (8 revisions)
- Calochortus plummerae (8 revisions)
- Allium rotundum (8 revisions)
- Rauiella (8 revisions)
- Chryso-hypnum diminutivum (8 revisions)
- Erythranthe arenicola (8 revisions)
- Cypripedium passerinum (8 revisions)
- Basiphyllaea (8 revisions)
- Bartramia subulata (8 revisions)
- Pseudobryum cinclidioides (8 revisions)
- Arctostaphylos edmundsii (8 revisions)
- Plaubelia sprengelii var. stomatodonta (8 revisions)
- Draba reptans (8 revisions)
- Dudleya parva (8 revisions)
- Primula stricta (8 revisions)
- Streptanthus bracteatus (8 revisions)
- Batis maritima (8 revisions)
- Populus deltoides subsp. monilifera (8 revisions)
- Lithophragma campanulatum (8 revisions)
- Melothria (8 revisions)
- Salix glauca var. villosa (8 revisions)
- Arabidopsis lyrata subsp. petraea (8 revisions)
- Trichophorum pumilum (8 revisions)
- Carex subfusca (8 revisions)
- Hybanthus linearifolius (8 revisions)
- Abutilon theophrasti (8 revisions)
- Cannaceae (8 revisions)
- Eleocharis subg. Zinserlingia (8 revisions)
- Senecio ampullaceus (8 revisions)
- Juncus filipendulus (8 revisions)
- Juncus (8 revisions)
- Hazardia squarrosa var. obtusa (8 revisions)
- Melampodium perfoliatum (8 revisions)
- Eatonella nivea (8 revisions)
- Prenanthes sagittata (8 revisions)
- Ambrosia confertiflora (8 revisions)
- Comandraceae (8 revisions)
- Cirsium scariosum var. thorneae (8 revisions)
- Gaillardia arizonica (8 revisions)
- Brickellia microphylla var. microphylla (8 revisions)
- Euphorbia strictior (8 revisions)
- Tetracoccus dioicus (8 revisions)
- Erigeron bloomeri var. bloomeri (8 revisions)
- Ericameria crispa (8 revisions)
- Crataegus pruinosa var. parvula (8 revisions)
- Ceanothus jepsonii (8 revisions)
- Chrysoma (8 revisions)
- Rubus laciniatus (8 revisions)
- Cotoneaster gamblei (8 revisions)
- Apacheria chiricahuensis (8 revisions)
- Ivesia callida (8 revisions)
- Stellaria cuspidata subsp. prostrata (8 revisions)
- Bruchia drummondii (8 revisions)
- Micranthes nelsoniana var. cascadensis (8 revisions)
- Arenaria serpyllifolia var. serpyllifolia (8 revisions)
- Pogonatum urnigerum (8 revisions)
- Codriophorus depressus (8 revisions)
- Castilleja organorum (8 revisions)
- Synthyris laciniata (8 revisions)
- Pedicularis rainierensis (8 revisions)
- Dichelostemma capitatum subsp. capitatum (8 revisions)
- Zigadenus virescens (8 revisions)
- Atriplex tularensis (8 revisions)
- Cistanthe (8 revisions)
- Penstemon laxus (8 revisions)
- Streptopus amplexifolius (8 revisions)
- Allium monticola (8 revisions)
- Scorpidium (8 revisions)
- Homomallium adnatum (8 revisions)
- Aphanisma blitoides (8 revisions)
- Erythranthe arvensis (8 revisions)
- Trillium nivale (8 revisions)
- Prosthechea boothiana var. erythronioides (8 revisions)
- Philonotis fontana var. pumila (8 revisions)
- Pyrrhobryum spiniforme (8 revisions)
- Arctostaphylos canescens subsp. canescens (8 revisions)
- Tortula muralis (8 revisions)
- Draba sphaeroides (8 revisions)
- Dudleya multicaulis (8 revisions)
- Primula cusickiana var. domensis (8 revisions)
- Streptanthus fenestratus (8 revisions)
- Quadrella jamaicensis (8 revisions)
- Brassicaceae tribe Idahoa (8 revisions)
- Carex edwardsiana (8 revisions)
- Sidalcea pedata (8 revisions)
- Physaria alpina (8 revisions)
- Transberingia bursifolia subsp. virgata (8 revisions)
- Rhynchospora microcarpa (8 revisions)
- Carex leporinella (8 revisions)
- Viola blanda (8 revisions)
- Anoda crenatiflora (8 revisions)
- Tradescantia subaspera (8 revisions)
- Fimbristylis (8 revisions)
- Scheuchzeriaceae (8 revisions)
- Juncus brachyphyllus (8 revisions)
- Pluchea longifolia (8 revisions)
- Lessingia germanorum (8 revisions)
- Centromadia (8 revisions)
- Eriophyllum lanosum (8 revisions)
- Tolpis (8 revisions)
- Lygodesmia juncea (8 revisions)
- Eriophyllum wallacei (8 revisions)
- Tolpis barbata (8 revisions)
- Acourtia runcinata (8 revisions)
- Wyethia arizonica (8 revisions)
- Coreopsis sect. Leptosyne (8 revisions)
- Euphorbia virgata (8 revisions)
- Adenocaulon (8 revisions)
- Helenium bigelovii (8 revisions)
- Flyriella parryi (8 revisions)
- Vitis vulpina (8 revisions)
- Mentzelia eremophila (8 revisions)
- Erigeron pallens (8 revisions)
- Eurybia spectabilis (8 revisions)
- Crataegus tecta (8 revisions)
- Croton cortesianus (8 revisions)
- Solidago simplex var. nana (8 revisions)
- Townsendia incana (8 revisions)
- Chamaebatia australis (8 revisions)
- Cotoneaster nitens (8 revisions)
- Packera fendleri (8 revisions)
- Rosa rubiginosa var. nemoralis (8 revisions)
- Ivesia paniculata (8 revisions)
- Stellaria obtusa (8 revisions)
- Eriogonum (8 revisions)
- Ceratodon purpureus (8 revisions)
- Polygonum plebeium (8 revisions)
- Timmia megapolitana subsp. bavarica (8 revisions)
- Scouleria (8 revisions)
- Castilleja peckiana (8 revisions)
- Torenia (8 revisions)
- Agalinis auriculata (8 revisions)
- Bloomeria (8 revisions)
- Yucca angustissima var. angustissima (8 revisions)
- Atriplex fruticulosa (8 revisions)
- Claytonia caroliniana (8 revisions)
- Bontia (8 revisions)
- Penstemon procerus var. tolmiei (8 revisions)
- Erythronium grandiflorum (8 revisions)
- Allium fimbriatum var. purdyi (8 revisions)
- Hypnum dieckei (8 revisions)
- Diplacus johnstonii (8 revisions)
- Zeuxine (8 revisions)
- Dendrophylax lindenii (8 revisions)
- Trachyxiphium hypnaceum (8 revisions)
- Loeskypnum wickesiae (8 revisions)
- Arctostaphylos pallida (8 revisions)
- Tortula amplexa (8 revisions)
- Brassicaceae tribe Boechereae (8 revisions)
- Sedum ternatum (8 revisions)
- Lysimachia (8 revisions)
- Streptanthus insignis subsp. insignis (8 revisions)
- Lepidium chalepense (8 revisions)
- Heuchera richardsonii (8 revisions)
- Schoenoplectus smithii var. levisetus (8 revisions)
- Ctenolepis cerasiformis (8 revisions)
- Salix sect. Hastatae (8 revisions)
- Cardamine bellidifolia (8 revisions)
- Rhynchospora fernaldii (8 revisions)
- Carex scoparia var. scoparia (8 revisions)
- Brandegea (8 revisions)
- Callirhoë alcaeoides (8 revisions)
- Eriocaulon nigrobracteatum (8 revisions)
- Senecio parryi (8 revisions)
- Sagittaria kurziana (8 revisions)
- Sparganium (8 revisions)
- Cirsium brevifolium (8 revisions)
- Canadanthus (8 revisions)
- Melampodium strigosum (8 revisions)
- Eriophyllum lanatum var. integrifolium (8 revisions)
- Cynara cardunculus (8 revisions)
- Chrysanthemoides (8 revisions)
- Xanthium (8 revisions)
- Coreopsis basalis (8 revisions)
- Triadica sebifera (8 revisions)
- Arctium lappa (8 revisions)
- Hymenoxys ambigens var. ambigens (8 revisions)
- Liatris hirsuta (8 revisions)
- Linum virginianum (8 revisions)
- Croton lindheimeri (8 revisions)
- Erigeron ovinus (8 revisions)
- Ericameria cuneata var. macrocephala (8 revisions)
- Rhamnus ilicifolia (8 revisions)
- Mentzelia holmgreniorum (8 revisions)
- Solidago squarrosa (8 revisions)
- Eucephalus elegans (8 revisions)
- Rubus leucodermis var. leucodermis (8 revisions)
- Pyracantha coccinea (8 revisions)
- Packera millefolium (8 revisions)
- Crossosoma californicum (8 revisions)
- Ivesia muirii (8 revisions)
- Ditrichum pallidum (8 revisions)
- Micranthes odontoloma (8 revisions)
- Eremogone aberrans (8 revisions)
- Encalypta affinis (8 revisions)
- Seligeria brevifolia (8 revisions)
- Castilleja rhexiifolia (8 revisions)
- Agalinis homalantha (8 revisions)
- Triteleia ixioides (8 revisions)
- Stenanthium occidentale (8 revisions)
- Claytonia parviflora subsp. parviflora (8 revisions)
- Penstemon tenuiflorus (8 revisions)
- Erythronium californicum (8 revisions)
- Allium bolanderi var. mirabile (8 revisions)
- Hypnum revolutum var. revolutum (8 revisions)
- Chenopodium sect. Blitum (8 revisions)
- Diplacus cusickioides (8 revisions)
- Trillium ovatum var. oettingeri (8 revisions)
- Malaxis spicata (8 revisions)
- Palustriella falcata (8 revisions)
- Brachytheciastrum collinum (8 revisions)
- Pterygoneurum subsessile var. kieneri (8 revisions)
- Gemmabryum caespiticium (8 revisions)
- Boechera californica (8 revisions)
- Sedum radiatum var. radiatum (8 revisions)
- Lysimachia quadriflora (8 revisions)
- Trichodon cylindricus (8 revisions)
- Thelypodiopsis (8 revisions)
- Cleomella hillmanii var. hillmanii (8 revisions)
- Lepidium jaredii (8 revisions)
- Heuchera cylindrica (8 revisions)
- Carex mendocinensis (8 revisions)
- Sphaeralcea fendleri var. albescens (8 revisions)
- Cardamine hirsuta (8 revisions)
- Cladium mariscoides (8 revisions)
- Carex longii (8 revisions)
- Viola lobata var. integrifolia (8 revisions)
- Eremalche parryi (8 revisions)
- Scheuchzeria (8 revisions)
- Bulbostylis capillaris (8 revisions)
- Packera cardamine (8 revisions)
- Acorus calamus (8 revisions)
- Sphaeromeria compacta (8 revisions)
- Symphyotrichum subg. Astropolium (8 revisions)
- Holocarpha (8 revisions)
- Arnica lessingii (8 revisions)
- Hieracium robinsonii (8 revisions)
- Antennaria argentea (8 revisions)
- Phoebanthus grandiflorus (8 revisions)
- Coreocarpus (8 revisions)
- Mentzelia laevicaulis var. laevicaulis (8 revisions)
- Crupina vulgaris (8 revisions)
- Hymenoxys cooperi (8 revisions)
- Liatris elegans var. kralii (8 revisions)
- Argythamnia aphoroides (8 revisions)
- Erigeron klamathensis (8 revisions)
- Xanthisma spinulosum var. paradoxum (8 revisions)
- Galphimia angustifolia (8 revisions)
- Carpenteria californica (8 revisions)
- Solidago sciaphila (8 revisions)
- Chaetopappa asteroides var. grandis (8 revisions)
- Prunus virginiana var. virginiana (8 revisions)
- Malus hupehensis (8 revisions)
- Packera pseudaurea var. flavula (8 revisions)
- Rosa californica (8 revisions)
- Ivesia argyrocoma (8 revisions)
- Spergularia diandra (8 revisions)
- Eriogonum pulchrum (8 revisions)
- Agarista (8 revisions)
- Polygonum engelmannii (8 revisions)
- Brachydontium olympicum (8 revisions)
- Castilleja subinclusa (8 revisions)
- Veronica chamaedrys (8 revisions)
- Agalinis purpurea var. parviflora (8 revisions)
- Schoenocaulon ghiesbreghtii (8 revisions)
- Agave ×ajoensis (8 revisions)
- Atriplex garrettii var. garrettii (8 revisions)
- Claytonia tuberosa (8 revisions)
- Penstemon distans (8 revisions)
- Penstemon azureus var. angustissimus (8 revisions)
- Fritillaria (8 revisions)
- Allium dichlamydeum (8 revisions)
- Orthothecium rufescens (8 revisions)
- Chenopodium glaucum var. salinum (8 revisions)
- Diplacus traskiae (8 revisions)
- Spiranthes laciniata (8 revisions)
- Corallorhiza striata (8 revisions)
- Hygrohypnum smithii (8 revisions)
- Orthotrichum diaphanum (8 revisions)
- Aloina aloides (8 revisions)
- Splachnum rubrum (8 revisions)
- Boechera drepanoloba (8 revisions)
- Gordonia (8 revisions)
- Sphagnum cyclophyllum (8 revisions)
- Salix sect. Salix (8 revisions)
- Mitella (8 revisions)
- Sedum robertsianum (8 revisions)
- Sphaeralcea polychroma (8 revisions)
- Physaria geyeri subsp. purpurea (8 revisions)
- Cardamine pattersonii (8 revisions)
- Carex bicknellii (8 revisions)
- Viola pedata var. ranunculifolia (8 revisions)
- Hibiscus coulteri (8 revisions)
- Eriophorum viridicarinatum (8 revisions)
- Tillandsia flexuosa (8 revisions)
- Tillandsia variabilis (8 revisions)
- Artemisia porteri (8 revisions)
- Symphyotrichum pygmaeum (8 revisions)
- Hemizonia congesta subsp. congesta (8 revisions)
- Arnica mollis (8 revisions)
- Leontodon saxatilis subsp. longirostris (8 revisions)
- Antennaria racemosa (8 revisions)
- Encelia (8 revisions)
- Cosmos bipinnatus (8 revisions)
- Phyllanthopsis phyllanthoides (8 revisions)
- Centaurea nigra (8 revisions)
- Tetraneuris linearifolia var. arenicola (8 revisions)
- Paxistima canbyi (8 revisions)
- Croton pottsii var. pottsii (8 revisions)
- Erigeron inornatus var. calidipetris (8 revisions)
- Dieteria bigelovii var. mucronata (8 revisions)
- Euonymus atropurpureus (8 revisions)
- Byrsonima (8 revisions)
- Solidago (sect. Solidago) ser. Argutae (8 revisions)
- Chrysopsis delaneyi (8 revisions)
- Prunus minutiflora (8 revisions)
- Pseudocydonia (8 revisions)
- Packera tridenticulata (8 revisions)
- Potentilla (8 revisions)
- Horkelia bolanderi (8 revisions)
- Minuartia rubella (8 revisions)
- Zenobia pulverulenta (8 revisions)
- Persicaria perfoliata (8 revisions)
- Sphagnum lindbergii (8 revisions)
- Castilleja wootonii (8 revisions)
- Sesamum (8 revisions)
- Brachystigma (8 revisions)
- Amianthium muscitoxicum (8 revisions)
- Funaria hygrometrica var. hygrometrica (8 revisions)
- Atriplex canescens var. laciniata (8 revisions)
- Mirabilis sect. Oxybaphus (8 revisions)
- Penstemon jamesii (8 revisions)
- Fritillaria micrantha (8 revisions)
- Allium tribracteatum (8 revisions)
- Sisyrinchium longipes (8 revisions)
- Pylaisia polyantha (8 revisions)
- Cyphomeris gypsophiloides (8 revisions)
- Sairocarpus multiflorus (8 revisions)
- Spiranthes odorata (8 revisions)
- Govenia (8 revisions)
- Campylium longicuspis (8 revisions)
- Brachythecium turgidum (8 revisions)
- Sphagnum fimbriatum subsp. concinnum (8 revisions)
- Imbribryum muehlenbeckii (8 revisions)
- Boechera glaucovalvula (8 revisions)
- Ribes inerme var. inerme (8 revisions)
- Pottiaceae (8 revisions)
- Salix monochroma (8 revisions)
- Gynandropsis (8 revisions)
- Ribes nevadaense (8 revisions)
- Sedum lineare (8 revisions)
- Carex caroliniana (8 revisions)
- Urena lobata (8 revisions)
- Physaria hitchcockii subsp. rubicundula (8 revisions)
- Leavenworthia aurea (8 revisions)
- Carex alopecoidea (8 revisions)
- Carex lyngbyei (8 revisions)
- Viola pubescens var. pubescens (8 revisions)
- Hibiscus laevis (8 revisions)
- Salix subg. Chamaetia (8 revisions)
- Carex peckii (8 revisions)
- Cyperus fuscus (8 revisions)
- Potamogeton friesii (8 revisions)
- Musa paradisiaca (8 revisions)
- Harmonia hallii (8 revisions)
- Arnica gracilis (8 revisions)
- Antennaria microphylla (8 revisions)
- Artemisia cana subsp. viscidula (8 revisions)
- Melanthera nivea (8 revisions)
- Bidens vulgata (8 revisions)
- Euphorbia parishii (8 revisions)
- Centaurea sulphurea (8 revisions)
- Psilostrophe (8 revisions)
- Liatris gholsonii (8 revisions)
- Canotia holacantha (8 revisions)
- Argythamnia cyanophylla (8 revisions)
- Erigeron breweri var. jacinteus (8 revisions)
- Condalia viridis (8 revisions)
- Ceanothus foliosus var. foliosus (8 revisions)
- Baccharis sarothroides (8 revisions)
- Pityopsis falcata (8 revisions)
- Prunus cerasifera (8 revisions)
- Crataegus marshallii (8 revisions)
- Delairea (8 revisions)
- Potentilla reptans (8 revisions)
- Horkelia californica var. frondosa (8 revisions)
- Sagina nodosa subsp. nodosa (8 revisions)
- Crataegus intricata (8 revisions)
- Fissidens crispus (8 revisions)
- Buddleja marrubiifolia (8 revisions)
- Orobanche (8 revisions)
- Physcomitrium immersum (8 revisions)
- Sarcobatus vermiculatus (8 revisions)
- Montia (8 revisions)
- Penstemon triflorus var. integrifolius (8 revisions)
- Penstemon rhizomatosus (8 revisions)
- Xerophyllum asphodeloides (8 revisions)
- Sisyrinchium bellum (8 revisions)
- Sematophyllum adnatum (8 revisions)
- Chenopodium albescens (8 revisions)
- Maxillaria crassifolia (8 revisions)
- Lilium catesbaei (8 revisions)
- Pseudocalliergon angustifolium (8 revisions)
- Eurhynchiastrum (8 revisions)
- Trillium pusillum var. virginianum (8 revisions)
- Microbryum davallianum (8 revisions)
- Ptychostomum archangelicum (8 revisions)
- Styrax platanifolius (8 revisions)
- Trichostomum planifolium (8 revisions)
- Berteroa incana (8 revisions)
- Sedum moranii (8 revisions)
- Carex sect. Triquetrae (8 revisions)
- Dirca decipiens (8 revisions)
- Physaria lepidota subsp. lepidota (8 revisions)
- Rorippa aquatica (8 revisions)
- Noccaea fendleri subsp. idahoensis (8 revisions)
- Carex chihuahuensis (8 revisions)
- Carex stricta (8 revisions)
- Viola sagittata var. sagittata (8 revisions)
- Iliamna corei (8 revisions)
- Boechera missouriensis (8 revisions)
- Carex lucorum var. lucorum (8 revisions)
- Cyperus flavescens (8 revisions)
- Arecaceae tribe Corypheae (8 revisions)
- Symphyotrichum frondosum (8 revisions)
- Madia elegans (8 revisions)
- Schkuhria multiflora (8 revisions)
- Artemisia absinthium (8 revisions)
- Borrichia arborescens (8 revisions)
- Bidens heterodoxa (8 revisions)
- Elephantopus tomentosus (8 revisions)
- Scorzonera hispanica (8 revisions)
- Marshallia caespitosa (8 revisions)
- Carphephorus tomentosus (8 revisions)
- Linum kingii (8 revisions)
- Mentzelia nitens (8 revisions)
- Sageretia minutiflora (8 revisions)
- Erigeron nivalis (8 revisions)
- Xylorhiza tortifolia var. tortifolia (8 revisions)
- Hura crepitans (8 revisions)
- Linum rigidum var. rigidum (8 revisions)
- Solidago subsect. Junceae (8 revisions)
- Croptilon divaricatum (8 revisions)
- Prunus hortulana (8 revisions)
- Crataegus enderbyensis (8 revisions)
- Ericameria parryi var. montana (8 revisions)
- Potentilla argentea (8 revisions)
- Horkelia sericata (8 revisions)
- Sagina maxima subsp. crassicaulis (8 revisions)
- Crataegus (sect. Coccineae) ser. Rotundifoliae (8 revisions)
- Persicaria minor (8 revisions)
- Cordylanthus pringlei (8 revisions)
- Krameriaceae Illustrations (8 revisions)
- Manfreda (8 revisions)
- Schistidium apocarpum (8 revisions)
- Suaeda nigra (8 revisions)
- Phemeranthus humilis (8 revisions)
- Penstemon eatonii var. exsertus (8 revisions)
- Penstemon clevelandii var. clevelandii (8 revisions)
- Crinum bulbispermum (8 revisions)
- Sisyrinchium halophilum (8 revisions)
- Heterophyllium affine (8 revisions)
- Orchidaceae subfam. Epidendroideae (8 revisions)
- Lilium parvum (8 revisions)
- Groutiella (8 revisions)
- Homalothecium californicum (8 revisions)
- Amerorchis (8 revisions)
- Acaulon (8 revisions)
- Ptychostomum salinum (8 revisions)
- Sarracenia alabamensis subsp. wherryi (8 revisions)
- Tortella humilis (8 revisions)
- Arabis pycnocarpa var. adpressipilis (8 revisions)
- Saxifragopsis (8 revisions)
- Villadia squamulosa (8 revisions)
- Carex sartwelliana (8 revisions)
- Physaria newberryi subsp. yesicola (8 revisions)
- Rorippa sessiliflora (8 revisions)
- Nerisyrenia linearifolia (8 revisions)
- Carex rosea (8 revisions)
- Carex emoryi (8 revisions)
- Viola umbraticola (8 revisions)
- Lavatera olbia (8 revisions)
- Cistus ladanifer (8 revisions)
- Boechera pinzliae (8 revisions)
- Carex scirpoidea subsp. stenochlaena (8 revisions)
- Luzula kjellmaniana (8 revisions)
- Juncus subcaudatus (8 revisions)
- Hymenopappus filifolius var. pauciflorus (8 revisions)
- Hymenothrix wrightii (8 revisions)
- Pseudognaphalium obtusifolium (8 revisions)
- Acourtia wrightii (8 revisions)
- Pectis ×floridana (8 revisions)
- Vernonia noveboracensis (8 revisions)
- Chromolaena (8 revisions)
- Euphorbia texana (8 revisions)
- Vitis monticola (8 revisions)
- Pyrrocoma carthamoides var. subsquarrosa (8 revisions)
- Solidago latissimifolia (8 revisions)
- Heterotheca oregona var. compacta (8 revisions)
- Kerria japonica (8 revisions)
- Crataegus shuswapensis (8 revisions)
- Croton argyranthemus (8 revisions)
- Psacalium decompositum (8 revisions)
- Potentilla glaucophylla var. glaucophylla (8 revisions)
- Duchesnea (8 revisions)
- Crataegus chrysocarpa var. blanchardii (8 revisions)
- Coccoloba (8 revisions)
- Brothera (8 revisions)
- Cordylanthus wrightii subsp. kaibabensis (8 revisions)
- Orobanche cooperi subsp. palmeri (8 revisions)
- Ximeniaceae Illustrations (8 revisions)
- Smilax californica (8 revisions)
- Schistidium heterophyllum (8 revisions)
- Seymeria bipinnatisecta (8 revisions)
- Penstemon absarokensis (8 revisions)
- Verbascum pulverulentum (8 revisions)
- Veratrum fimbriatum (8 revisions)
- Iris germanica (8 revisions)
- Schoenobryum concavifolium (8 revisions)
- Zuckia brandegeei var. brandegeei (8 revisions)
- Orchidaceae (tribe Cymbidieae) subtribe Corallorhizinae (8 revisions)
- Lilium grayi (8 revisions)
- Campylophyllum sommerfeltii (8 revisions)
- Rhynchostegium serrulatum (8 revisions)
- Platanthera convallariifolia (8 revisions)
- Micromitrium (8 revisions)
- Ptychostomum warneum (8 revisions)
- Sarracenia rubra subsp. rubra (8 revisions)
- Weissia sharpii (8 revisions)
- Athysanus unilateralis (8 revisions)
- Saxifraga flagellaris subsp. crandallii (8 revisions)
- Manilkara jaimiqui subsp. emarginata (8 revisions)
- Carex oligosperma (8 revisions)
- Physaria pinetorum (8 revisions)
- Salix cinerea (8 revisions)
- Populus deltoides subsp. deltoides (8 revisions)
- Vaccinium oxycoccos (8 revisions)
- Carex muehlenbergii var. enervis (8 revisions)
- Schoenoplectus deltarum (8 revisions)
- Cucumis sativus var. sativus (8 revisions)
- Lechea maritima var. maritima (8 revisions)
- Boechera rollei (8 revisions)
- Carex supina subsp. spaniocarpa (8 revisions)
- Cyperus giganteus (8 revisions)
- Piriqueta cistoides subsp. caroliniana (8 revisions)
- Guzmania monostachia var. variegata (8 revisions)
- Juncus repens (8 revisions)
- Symphyotrichum racemosum (8 revisions)
- Hymenopappus scabiosaeus var. scabiosaeus (8 revisions)
- Rudbeckia laciniata var. heterophylla (8 revisions)
- Cirsium carolinianum (8 revisions)
- Artemisia ludoviciana subsp. mexicana (8 revisions)
- Helianthus argophyllus (8 revisions)
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