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- Juniperus californica (9 revisions)
- Mniaceae Illustrations (9 revisions)
- Anulocaulis (9 revisions)
- Cylindropuntia acanthocarpa var. acanthocarpa (9 revisions)
- Ranunculus bonariensis var. trisepalus (9 revisions)
- Papaver dubium (9 revisions)
- Thalictrum sect. Anemonella (9 revisions)
- Nuphar rubrodisca (9 revisions)
- Corydalis micrantha subsp. texensis (9 revisions)
- Huperzia haleakalae (9 revisions)
- Woodsia neomexicana (9 revisions)
- Eriophorum brachyantherum (9 revisions)
- Cakile edentula var. edentula (9 revisions)
- Equisetum laevigatum (9 revisions)
- Orchidaceae Illustrations (9 revisions)
- Opuntia (9 revisions)
- Prosartes maculata (9 revisions)
- Argemone arizonica (9 revisions)
- Crataegus ×lucorum (9 revisions)
- Ranunculus occidentalis var. occidentalis (9 revisions)
- Asarum canadense (9 revisions)
- Ranunculus harveyi var. harveyi (9 revisions)
- Cotula coronopifolia (9 revisions)
- Notholaena grayi subsp. grayi (9 revisions)
- Palhinhaea (9 revisions)
- Selaginella acanthonota (9 revisions)
- Pleuroziopsaceae Illustrations (9 revisions)
- Weissia ludoviciana (9 revisions)
- Phemeranthus parviflorus (9 revisions)
- Delphinium sect. Diedropetala (9 revisions)
- Quercus alba (9 revisions)
- Phanerophlebia auriculata (9 revisions)
- Juncus arcticus var. alaskanus (9 revisions)
- Woodsia oregana subsp. oregana (9 revisions)
- Sinapis alba (9 revisions)
- Pterobryaceae Illustrations (9 revisions)
- Argemone sanguinea (9 revisions)
- Isoëtes tuckermanii (9 revisions)
- Ranunculus sect. Pseudaphanostemma (9 revisions)
- Caulophyllum (9 revisions)
- Woodsia scopulina subsp. scopulina (9 revisions)
- Saururaceae Illustrations (9 revisions)
- Opuntia fragilis (9 revisions)
- Argemone corymbosa subsp. corymbosa (9 revisions)
- Polypodium amorphum (9 revisions)
- Quercus laceyi (9 revisions)
- Ranunculus inamoenus var. inamoenus (9 revisions)
- Taxodium distichum var. imbricarium (9 revisions)
- Stemonaceae Illustrations (9 revisions)
- Harrisia simpsonii (9 revisions)
- Morus microphylla (9 revisions)
- Dryopteridaceae (9 revisions)
- Delphinium hansenii subsp. ewanianum (9 revisions)
- Hexastylis naniflora (9 revisions)
- Quercus sinuata var. sinuata (9 revisions)
- Botrychium spathulatum (9 revisions)
- Osmunda regalis var. spectabilis (9 revisions)
- Turneraceae Illustrations (9 revisions)
- Aizoaceae Illustrations (9 revisions)
- Adolphia infesta (9 revisions)
- Boerhavia linearifolia (9 revisions)
- Basellaceae (9 revisions)
- Illicium parviflorum (9 revisions)
- Thelypteris subg. Parathelypteris (9 revisions)
- Delphinium subsect. Depauperata (9 revisions)
- Magnolia virginiana (9 revisions)
- Thelypteris subg. Cyclosorus (9 revisions)
- Juncus phaeocephalus (9 revisions)
- Cheilanthes microphylla (9 revisions)
- Aspleniaceae Illustrations (9 revisions)
- Phyllanthus abnormis var. riograndensis (9 revisions)
- Echinocereus viridiflorus (9 revisions)
- Agave americana var. americana (9 revisions)
- Mirabilis glabra (9 revisions)
- Humulus lupulus var. lupulus (9 revisions)
- Platanaceae (9 revisions)
- Ranunculus rhomboideus (9 revisions)
- Mirabilis sect. Oxybaphoides (9 revisions)
- Clematis recta (9 revisions)
- Pellaea intermedia (9 revisions)
- Marsilea vestita (9 revisions)
- Solidago lepida subsp. fallax (9 revisions)
- Bryoxiphiaceae Illustrations (9 revisions)
- Selenicereus pteranthus (9 revisions)
- Abronia elliptica (9 revisions)
- Aquilegia formosa var. truncata (9 revisions)
- Pinus leiophylla var. chihuahuana (9 revisions)
- Chelone (9 revisions)
- Anemone deltoidea (9 revisions)
- Juglans californica (9 revisions)
- Romneya trichocalyx (9 revisions)
- Oxytheca dendroidea (9 revisions)
- Clematis pauciflora (9 revisions)
- Adiantum viridimontanum (9 revisions)
- Eriogonum lachnogynum (9 revisions)
- Casuarinaceae Illustrations (9 revisions)
- Echinocactus (9 revisions)
- Abronia umbellata var. acutalata (9 revisions)
- Peperomia glabella (9 revisions)
- Collinsia parviflora (9 revisions)
- Carya pallida (9 revisions)
- Nuphar polysepala (9 revisions)
- Berberis nevinii (9 revisions)
- Asplenium pinnatifidum (9 revisions)
- Polypodium scouleri (9 revisions)
- Pinus cembroides (9 revisions)
- Eriogonum kennedyi (9 revisions)
- Cymodoceaceae Illustrations (9 revisions)
- Pisonia aculeata (9 revisions)
- Clematis occidentalis var. occidentalis (9 revisions)
- Cheilanthes lindheimeri (9 revisions)
- Quercus laurifolia (9 revisions)
- Delphinium parryi subsp. purpureum (9 revisions)
- Ranunculus ambigens (9 revisions)
- Xanthorhiza (9 revisions)
- Woodsia phillipsii (9 revisions)
- Azolla (9 revisions)
- Nephrolepis ×averyi (9 revisions)
- Entodontaceae Illustrations (9 revisions)
- Sclerocactus blainei (9 revisions)
- Sesuvium portulacastrum (9 revisions)
- Adonis annua (9 revisions)
- Grammitis (9 revisions)
- Canbya (9 revisions)
- Quercus hinckleyi (9 revisions)
- Delphinium scopulorum (9 revisions)
- Vittaria lineata (9 revisions)
- Nephrolepis (9 revisions)
- Gleicheniaceae Illustrations (9 revisions)
- Mycelis (9 revisions)
- Pediocactus peeblesianus subsp. fickeiseniae (9 revisions)
- Conicosia (9 revisions)
- Delphinium variegatum (9 revisions)
- Botrychium montanum (9 revisions)
- Nothochelone nemorosa (9 revisions)
- Penstemon (9 revisions)
- Aquilegia coerulea var. pinetorum (9 revisions)
- Betula murrayana (9 revisions)
- Fatoua (9 revisions)
- Quercus myrtifolia (9 revisions)
- Selaginella arenicola subsp. arenicola (9 revisions)
- Isopterygium tenerum (9 revisions)
- Polypodium hesperium (9 revisions)
- Iridaceae Illustrations (9 revisions)
- Coryphantha (9 revisions)
- Cylindropuntia leptocaulis (9 revisions)
- Ceratophyllum (9 revisions)
- Juncus oxymeris (9 revisions)
- Thalictrum heliophilum (9 revisions)
- Ranunculus eschscholtzii var. eximius (9 revisions)
- Nandina domestica (9 revisions)
- Papaver sect. Papaver (9 revisions)
- Adiantum tenerum (9 revisions)
- Phyllanthus abnormis var. abnormis (9 revisions)
- Leucophanaceae Illustrations (9 revisions)
- Coryphantha minima (9 revisions)
- Achatocarpaceae (9 revisions)
- Cypripedium parviflorum var. pubescens (9 revisions)
- Anemone tuberosa (9 revisions)
- Kickxia spuria (9 revisions)
- Berberis nervosa (9 revisions)
- Eschscholzia caespitosa (9 revisions)
- Peperomia obtusifolia (9 revisions)
- Botrychium jenmanii (9 revisions)
- Picea abies (9 revisions)
- Pinus strobiformis (9 revisions)
- Molluginaceae Illustrations (9 revisions)
- Ariocarpus fissuratus (9 revisions)
- Cylindropuntia acanthocarpa var. thornberi (9 revisions)
- Corydalis aqua-gelidae (9 revisions)
- Ranunculus alismifolius var. lemmonii (9 revisions)
- Humulus japonicus (9 revisions)
- Thalictrum clavatum (9 revisions)
- Pellaea breweri (9 revisions)
- Cakile edentula var. lacustris (9 revisions)
- Hymenophyllum tunbrigense (9 revisions)
- Orthodontiaceae Illustrations (9 revisions)
- Opuntia pusilla (9 revisions)
- Lysichiton americanus (9 revisions)
- Aquilegia longissima (9 revisions)
- Delphinium subsect. Multiplex (9 revisions)
- Carex viridula var. viridula (9 revisions)
- Nuphar orbiculata (9 revisions)
- Illicium (9 revisions)
- Isoëtes occidentalis (9 revisions)
- Cheilanthes aemula (9 revisions)
- Odontosoria (9 revisions)
- Plumbaginaceae Illustrations (9 revisions)
- Opuntia engelmannii var. engelmannii (9 revisions)
- Quercus garryana var. garryana (9 revisions)
- Ginkgoaceae (9 revisions)
- Phemeranthus rugospermus (9 revisions)
- Ranunculus macauleyi (9 revisions)
- Eschscholzia lemmonii (9 revisions)
- Chrysolepis sempervirens (9 revisions)
- Botrychium oneidense (9 revisions)
- Asplenium trichomanes subsp. trichomanes (9 revisions)
- Ptychomitriaceae Illustrations (9 revisions)
- Opuntia ×occidentalis (9 revisions)
- Clematis columbiana var. tenuiloba (9 revisions)
- Pinus coulteri (9 revisions)
- Nectandra (9 revisions)
- Caltha (9 revisions)
- Dryopteris intermedia (9 revisions)
- Hymenophyllum (9 revisions)
- Saxifragaceae Illustrations (9 revisions)
- Opuntia ×columbiana (9 revisions)
- Quercus turbinella (9 revisions)
- Botrychium hesperium (9 revisions)
- Clematis glaucophylla (9 revisions)
- Ranunculus andersonii (9 revisions)
- Delphinium gypsophilum (9 revisions)
- Berberis repens (9 revisions)
- Eleocharis radicans (9 revisions)
- Eriogonum compositum (9 revisions)
- Stereophyllaceae Illustrations (9 revisions)
- Harrisia fragrans (9 revisions)
- Ranunculus ranunculinus (9 revisions)
- Eranthis (9 revisions)
- Schisandra (9 revisions)
- Delphinium inopinum (9 revisions)
- Pteris bahamensis (9 revisions)
- Typhaceae Illustrations (9 revisions)
- Alismataceae Illustrations (9 revisions)
- Echinocereus stramineus var. stramineus (9 revisions)
- Anredera (9 revisions)
- Thalictrum dioicum (9 revisions)
- Quercus inopina (9 revisions)
- Delphinium subsect. Virescens (9 revisions)
- Piperaceae (9 revisions)
- Ranunculus gormanii (9 revisions)
- Thelypteris simulata (9 revisions)
- Osmunda ruggii (9 revisions)
- Echinocereus davisii (9 revisions)
- Agave americana var. expansa (9 revisions)
- Mirabilis austrotexana (9 revisions)
- Umbellularia californica var. fresnensis (9 revisions)
- Asplenium scolopendrium var. americanum (9 revisions)
- Asimina (9 revisions)
- Nelumbonaceae (9 revisions)
- Hexastylis speciosa (9 revisions)
- Delphinium bicolor subsp. calcicola (9 revisions)
- Botrychium lunarioides (9 revisions)
- Burmanniaceae Illustrations (9 revisions)
- Boerhavia triquetra (9 revisions)
- Abronia bolackii (9 revisions)
- Humulus (9 revisions)
- Pilularia americana (9 revisions)
- Chelone cuthbertii (9 revisions)
- Delphinium carolinianum subsp. virescens (9 revisions)
- Delphinium cardinale (9 revisions)
- Quercus austrina (9 revisions)
- Aristolochia tomentosa (9 revisions)
- Botrychium pinnatum (9 revisions)
- Asplenium abscissum (9 revisions)
- Catoscopiaceae Illustrations (9 revisions)
- Echinocactus horizonthalonius (9 revisions)
- Abronia umbellata var. breviflora (9 revisions)
- Anemone cylindrica (9 revisions)
- Botrychium boreale (9 revisions)
- Collinsia multicolor (9 revisions)
- Aconitum (9 revisions)
- Clematis pitcheri var. dictyota (9 revisions)
- Celtis pallida (9 revisions)
- Nemacaulis denudata (9 revisions)
- Cinnamomum camphora (9 revisions)
- Juniperus communis var. montana (9 revisions)
- Asplenium platyneuron (9 revisions)
- Diplazium (9 revisions)
- Cyperaceae Illustrations (9 revisions)
- Echinomastus intertextus var. intertextus (9 revisions)
- Pisonia capitata (9 revisions)
- Argemone aenea (9 revisions)
- Aristolochia coryi (9 revisions)
- Papaver macounii subsp. discolor (9 revisions)
- Quercus tardifolia (9 revisions)
- Delphinium parishii subsp. subglobosum (9 revisions)
- Pseudolycopodiella caroliniana (9 revisions)
- Equisetum ×ferrissii (9 revisions)
- Isoëtes riparia (9 revisions)
- Ephedraceae Illustrations (9 revisions)
- Sclerocactus sileri (9 revisions)
- Grimmia plagiopodia (9 revisions)
- Sesuvium verrucosum (9 revisions)
- Iris (sect. Limniris) ser. Californicae (9 revisions)
- Cissampelos pareira (9 revisions)
- Selaginella cinerascens (9 revisions)
- Anemone multifida var. stylosa (9 revisions)
- Quercus john-tuckeri (9 revisions)
- Akebia quinata (9 revisions)
- Pellaea glabella subsp. occidentalis (9 revisions)
- Dennstaedtia globulifera (9 revisions)
- Eriogonum heermannii (9 revisions)
- Grammitidaceae Illustrations (9 revisions)
- Pediocactus bradyi (9 revisions)
- Andreaea rupestris (9 revisions)
- Conicosia pugioniformis (9 revisions)
- Iris (sect. Limniris) ser. Laevigatae (9 revisions)
- Eschscholzia minutiflora (9 revisions)
- Dittrichia (8 revisions)
- Sida planicaulis (8 revisions)
- Buchnera americana (8 revisions)
- Pleuridium (8 revisions)
- Glyptopleura marginata (8 revisions)
- Ayenia (8 revisions)
- Chamaebatia foliolosa (8 revisions)
- Penstemon scariosus var. garrettii (8 revisions)
- Linderniaceae (8 revisions)
- Ivesia rhypara var. shellyi (8 revisions)
- Leucophyllum candidum (8 revisions)
- Sedum annuum (8 revisions)
- Viola sheltonii (8 revisions)
- Atriplex gardneri var. bonnevillensis (8 revisions)
- Symphyotrichum drummondii var. drummondii (8 revisions)
- Eleocharis compressa var. compressa (8 revisions)
- Isopterygium tenerifolium (8 revisions)
- Chenopodium rubrum var. rubrum (8 revisions)
- Artemisia alaskana (8 revisions)
- Ageratum houstonianum (8 revisions)
- Crassula drummondii (8 revisions)
- Carex muehlenbergii var. muehlenbergii (8 revisions)
- Brachythecium asperrimum (8 revisions)
- Cochlearia tridactylites (8 revisions)
- Xanthocephalum (8 revisions)
- Gaylussacia ursina (8 revisions)
- Sagina nodosa subsp. nodosa (8 revisions)
- Cyperus papyrus (8 revisions)
- Boechera texana (8 revisions)
- Chrysothamnus eremobius (8 revisions)
- Deinandra floribunda (8 revisions)
- Coreopsis verticillata (8 revisions)
- Kallstroemia parviflora (8 revisions)
- Flourensia pringlei (8 revisions)
- Sphagnum pulchrum (8 revisions)
- Physaria lepidota subsp. lepidota (8 revisions)
- Euphorbia astyla (8 revisions)
- Onopordum acanthium subsp. acanthium (8 revisions)
- Agalinis flexicaulis (8 revisions)
- Euonymus occidentalis var. occidentalis (8 revisions)
- Liatris provincialis (8 revisions)
- Sphagnum imbricatum (8 revisions)
- Grimmia brittoniae (8 revisions)
- Mentzelia goodrichii (8 revisions)
- Cirsium eatonii var. viperinum (8 revisions)
- Cypripedium (8 revisions)
- Belamcanda (8 revisions)
- Oreostemma alpigenum var. andersonii (8 revisions)
- Hastingsia bracteosa (8 revisions)
- Crataegus texana var. texana (8 revisions)
- Cordylanthus pilosus subsp. trifidus (8 revisions)
- Aurinia (8 revisions)
- Erigeron salmonensis (8 revisions)
- Lophiola (8 revisions)
- Allium canadense var. lavendulare (8 revisions)
- Gillenia trifoliata (8 revisions)
- Platydictya minutissima (8 revisions)
- Phemeranthus calycinus (8 revisions)
- Carex lenticularis var. lenticularis (8 revisions)
- Crataegus annosa (8 revisions)
- Triphora gentianoides (8 revisions)
- Syntrichia amphidiacea (8 revisions)
- Haplodontium tehamense (8 revisions)
- Pluchea sagittalis (8 revisions)
- Sidalcea calycosa subsp. rhizomata (8 revisions)
- Arctostaphylos montana subsp. ravenii (8 revisions)
- Solmsiella biseriata (8 revisions)
- Cirsium muticum (8 revisions)
- Melochia tomentosa var. tomentosa (8 revisions)
- Neillia incisa (8 revisions)
- Penstemon anguineus (8 revisions)
- Stemodia lanata (8 revisions)
- Ivesia tweedyi (8 revisions)
- Pyxidanthera barbulata (8 revisions)
- Sedum obtusatum var. retusum (8 revisions)
- Atriplex parryi (8 revisions)
- Symphyotrichum parviceps (8 revisions)
- Chenopodium urbicum (8 revisions)
- Artemisia laciniata subsp. parryi (8 revisions)
- Eriocaulon aquaticum (8 revisions)
- Trichocoronis wrightii (8 revisions)
- Bryophyllum fedtschenkoi (8 revisions)
- Orthotrichum elegans (8 revisions)
- Descurainia nelsonii (8 revisions)
- Juncus capitatus (8 revisions)
- Chaenactis artemisiifolia (8 revisions)
- Vaccinium sect. Oxycoccus (8 revisions)
- Sagina maxima subsp. crassicaulis (8 revisions)
- Cyperus grayi (8 revisions)
- Phoenicaulis (8 revisions)
- Persicaria minor (8 revisions)
- Baccharis pilularis subsp. pilularis (8 revisions)
- Deinandra pallida (8 revisions)
- Coreopsis sect. Calliopsis (8 revisions)
- Sclerolinon digynum (8 revisions)
- Melanthera (8 revisions)
- Dicranum majus var. orthophyllum (8 revisions)
- Physaria newberryi subsp. yesicola (8 revisions)
- Ceanothus martini (8 revisions)
- Launaea intybacea (8 revisions)
- Agalinis plukenetii (8 revisions)
- Euphorbia dendroides (8 revisions)
- Liatris gracilis (8 revisions)
- Buxbaumia viridis (8 revisions)
- Grimmia mollis (8 revisions)
- Cistus ladanifer (8 revisions)
- Cirsium scariosum var. robustum (8 revisions)
- Cypripedium parviflorum var. makasin (8 revisions)
- Watsonia meriana (8 revisions)
- Ornithogalum (8 revisions)
- Crataegus macrosperma (8 revisions)
- Cordylanthus wrightii subsp. wrightii (8 revisions)
- Carex vestita (8 revisions)
- Salix pentandra (8 revisions)
- Erigeron canus (8 revisions)
- Calochortus excavatus (8 revisions)
- Allium runyonii (8 revisions)
- Drepanocladus polygamus (8 revisions)
- Ruppia maritima (8 revisions)
- Seymeria pectinata subsp. peninsularis (8 revisions)
- Crataegus teres (8 revisions)
- Alliaria petiolata (8 revisions)
- Syntrichia norvegica (8 revisions)
- Plagiobryoides incrassatolimbata (8 revisions)
- Arnica parryi (8 revisions)
- Cirsium ochrocentrum var. martinii (8 revisions)
- Sidalcea hickmanii subsp. anomala (8 revisions)
- Arctostaphylos tomentosa subsp. daciticola (8 revisions)
- Scopelophila (8 revisions)
- Phalacroseris bolanderi (8 revisions)
- Abutilon fruticosum (8 revisions)
- Plantago firma (8 revisions)
- Ivesia campestris (8 revisions)
- Penstemon sect. Baccharifolii (8 revisions)
- Penstemon calycosus (8 revisions)
- Styrax redivivus (8 revisions)
- Sarcocornia perennis (8 revisions)
- Vesicularia vesicularis (8 revisions)
- Cyphomeris crassifolia (8 revisions)
- Artemisia palmeri (8 revisions)
- Juncus compressus (8 revisions)
- Brickellia atractyloides var. odontolepis (8 revisions)
- Rhodiola rosea (8 revisions)
- Carex divisa (8 revisions)
- Clasmatodon (8 revisions)
- Tropidocarpum gracile (8 revisions)
- Echinodorus berteroi (8 revisions)
- Chaenactis sect. Chaenactis (8 revisions)
- Micranthes marshallii (8 revisions)
- Cyperus thyrsiflorus (8 revisions)
- Brassica rapa (8 revisions)
- Solidago simplex var. monticola (8 revisions)
- Hemizonia congesta subsp. clevelandii (8 revisions)
- Ericameria parryi var. affinis (8 revisions)
- Ambrosia salsola (8 revisions)
- Eucommia ulmoides (8 revisions)
- Borrichia (8 revisions)
- Dicranum elongatum (8 revisions)
- Physaria pinetorum (8 revisions)
- Euphorbia antisyphilitica (8 revisions)
- Hieracium aurantiacum (8 revisions)
- Aureolaria virginica (8 revisions)
- Euphorbia mendezii (8 revisions)
- Carphephorus pseudoliatris (8 revisions)
- Polytrichastrum formosum var. densifolium (8 revisions)
- Bucklandiella (8 revisions)
- Lechea maritima var. maritima (8 revisions)
- Croton ciliatoglandulifer (8 revisions)
- Saussurea (8 revisions)
- Pogonia ophioglossoides (8 revisions)
- Gladiolus italicus (8 revisions)
- Brodiaea elegans subsp. elegans (8 revisions)
- Crataegus stolonifera (8 revisions)
- Orthocarpus pachystachyus (8 revisions)
- Carex tuckermanii (8 revisions)
- Arabis mcdonaldiana (8 revisions)
- Erigeron flabellifolius (8 revisions)
- Calochortus gunnisonii var. perpulcher (8 revisions)
- Allium paniculatum var. paniculatum (8 revisions)
- Sorbus sitchensis var. grayi (8 revisions)
- Hygroamblystegium varium (8 revisions)
- Juncus roemerianus (8 revisions)
- Castilleja angustifolia var. flavescens (8 revisions)
- Carex atratiformis (8 revisions)
- Crataegus rivulopugnensis (8 revisions)
- Salix humilis var. tristis (8 revisions)
- Townsendia formosa (8 revisions)
- Hexalectris revoluta (8 revisions)
- Hilpertia velenovskyi (8 revisions)
- Ptychostomum longisetum (8 revisions)
- Jamesianthus (8 revisions)
- Picrothamnus desertorum (8 revisions)
- Sidalcea malviflora subsp. laciniata (8 revisions)
- Arctostaphylos glandulosa subsp. howellii (8 revisions)
- Trichostomum portoricense (8 revisions)
- Calendula (8 revisions)
- Abutilon wrightii (8 revisions)
- Prunus fasciculata var. punctata (8 revisions)
- Plantago pusilla (8 revisions)
- Horkelia rydbergii (8 revisions)
- Penstemon crandallii var. glabrescens (8 revisions)
- Sarracenia leucophylla (8 revisions)
- Pseudorontium (8 revisions)
- Carex typhina (8 revisions)
- Echeveria strictiflora (8 revisions)
- Suaeda linearis (8 revisions)
- Ericameria nauseosa var. salicifolia (8 revisions)
- Bryonia alba (8 revisions)
- Brotherella canadensis (8 revisions)
- Chenopodium berlandieri var. zschackei (8 revisions)
- Anthemis (8 revisions)
- Elodea (8 revisions)
- Brickellia eupatorioides var. chlorolepis (8 revisions)
- Ribes glandulosum (8 revisions)
- Homalothecium sericeum (8 revisions)
- Erysimum franciscanum (8 revisions)
- Arecaceae (tribe Areceae) subtribe Dypsidinae (8 revisions)
- Orochaenactis thysanocarpha (8 revisions)
- Micranthes nidifica (8 revisions)
- Cyperus odoratus (8 revisions)
- Salix polaris (8 revisions)
- Limonium californicum (8 revisions)
- Solidago erecta (8 revisions)
- Packera musiniensis (8 revisions)
- Bidens pilosa (8 revisions)
- Lagascea (8 revisions)
- Oncophorus (8 revisions)
- Physaria sessilis (8 revisions)
- Euonymus americanus (8 revisions)
- Hieracium paniculatum (8 revisions)
- Brunnichia (8 revisions)
- Argythamnia mercurialina var. pilosissima (8 revisions)
- Ratibida peduncularis var. picta (8 revisions)
- Meiotrichum (8 revisions)
- Bucklandiella macounii subsp. macounii (8 revisions)
- Croton glandulosus var. lindheimeri (8 revisions)
- Acroptilon (8 revisions)
- Cyclopogon cranichoides (8 revisions)
- Nolina brittoniana (8 revisions)
- Dichelostemma capitatum (8 revisions)
- Crataegus pruinosa var. virella (8 revisions)
- Triphysaria versicolor subsp. faucibarbata (8 revisions)
- Carex intumescens (8 revisions)
- Draba arctogena (8 revisions)
- Erigeron uncialis var. conjugans (8 revisions)
- Streptopus lanceolatus (8 revisions)
- Allium parishii (8 revisions)
- Cotoneaster monopyrenus (8 revisions)
- Calliergonella (8 revisions)
- Maranta arundinacea (8 revisions)
- Carex buxbaumii (8 revisions)
- Salix sect. Arbuscella (8 revisions)
- Townsendia jonesii (8 revisions)
- Prosthechea boothiana (8 revisions)
- Crumia latifolia (8 revisions)
- Ptychostomum cryophilum (8 revisions)
- Bahia (8 revisions)
- Sidalcea reptans (8 revisions)
- Micranthes tolmiei (8 revisions)
- Sphagnum oregonense (8 revisions)
- Antennaria stenophylla (8 revisions)
- Sicyosperma gracile (8 revisions)
- Prunus armeniaca (8 revisions)
- Synthyris (8 revisions)
- Horkelia californica var. elata (8 revisions)
- Penstemon dasyphyllus (8 revisions)
- Clethra alnifolia (8 revisions)
- Erythranthe glaucescens (8 revisions)
- Carex viridula subsp. brachyrrhyncha (8 revisions)
- Sideroxylon foetidissimum (8 revisions)
- Salsola soda (8 revisions)
- Cryphaea glomerata (8 revisions)
- Spinacia (8 revisions)
- Dudleya cymosa subsp. marcescens (8 revisions)
- Palamocladium (8 revisions)
- Sagittaria secundifolia (8 revisions)
- Gaillardia pinnatifida (8 revisions)
- Tellima (8 revisions)
- Lipocarpha microcephala (8 revisions)
- Eruca vesicaria subsp. sativa (8 revisions)
- Drymaria molluginea (8 revisions)
- Eleocharis (sect. Eleocharis) ser. Tenuissimae (8 revisions)
- Solidago caesia var. caesia (8 revisions)
- Madia subspicata (8 revisions)
- Packera quercetorum (8 revisions)
- Bidens connata (8 revisions)
- Cornus glabrata (8 revisions)
- Helianthus annuus (8 revisions)
- Bruchia (8 revisions)
- Sisymbrium loeselii (8 revisions)
- Hieracium albiflorum (8 revisions)
- Cornaceae Illustrations (8 revisions)
- Mentzelia longiloba var. chihuahuaensis (8 revisions)
- Ageratina luciae-brauniae (8 revisions)
- Atrichum crispulum (8 revisions)
- Niphotrichum ericoides (8 revisions)
- Crocanthemum carolinianum (8 revisions)
- Mentzelia involucrata (8 revisions)
- Carthamus (8 revisions)
- Sacoila lanceolata (8 revisions)
- Zigadenus vaginatus (8 revisions)
- Melanthium woodii (8 revisions)
- Crataegus incilis (8 revisions)
- Draba burkei (8 revisions)
- Erigeron pinnatisectus (8 revisions)
- Clintonia umbellulata (8 revisions)
- Allium fimbriatum var. fimbriatum (8 revisions)
- Rubus ursinus (8 revisions)
- Elodium (8 revisions)
- Orontium (8 revisions)
- Castilleja densiflora (8 revisions)
- Carex paysonis (8 revisions)
- Amelanchier alnifolia var. semiintegrifolia (8 revisions)
- Salix barrattiana (8 revisions)
- Eucephalus engelmannii (8 revisions)
- Campylocentrum pachyrrhizum (8 revisions)
- Ephemerum cohaerens (8 revisions)
- Rosulabryum andersonii (8 revisions)
- Palafoxia hookeriana (8 revisions)
- Sphaeralcea angustifolia var. angustifolia (8 revisions)
- Rhododendron lapponicum (8 revisions)
- Weissia inoperculata (8 revisions)
- Antennaria virginica (8 revisions)
- Callirhoë leiocarpa (8 revisions)
- Prunus rivularis (8 revisions)
- Synthyris pinnatifida (8 revisions)
- Rubus bifrons (8 revisions)
- Penstemon arenicola (8 revisions)
- Penstemon peckii (8 revisions)
- Pyrola elliptica (8 revisions)
- Mimetanthe (8 revisions)
- Pouteria (8 revisions)
- Amaranthus subg. Acnida (8 revisions)
- Hypericum dolabriforme (8 revisions)
- Leucodon andrewsianus (8 revisions)
- Axyris amaranthoides (8 revisions)
- Ismelia (8 revisions)
- Peltandra sagittifolia (8 revisions)
- Dudleya candelabrum (8 revisions)
- Sciuro-hypnum latifolium (8 revisions)
- Euclidium (8 revisions)
- Triglochin maritima (8 revisions)
- Bensoniella oregona (8 revisions)
- Rhynchospora corniculata (8 revisions)
- Brassicaceae tribe Buniadeae (8 revisions)
- Eurybia saxicastelli (8 revisions)
- Eleocharis retroflexa (8 revisions)
- Hymenopappus filifolius var. nudipes (8 revisions)
- Pectis humifusa (8 revisions)
- Heterosavia (8 revisions)
- Parthenium hysterophorus (8 revisions)
- Trematodon longicollis (8 revisions)
- Salix barclayi (8 revisions)
- Urospermum picroides (8 revisions)
- Rumex verticillatus (8 revisions)
- Schoepfiaceae Illustrations (8 revisions)
- Cornus alternifolia (8 revisions)
- Zaluzania grayana (8 revisions)
- Bartramiopsis (8 revisions)
- Codriophorus varius (8 revisions)
- Frankenia jamesii (8 revisions)
- Centaurea phrygia (8 revisions)
- Spiranthes lacera var. gracilis (8 revisions)
- Yucca thompsoniana (8 revisions)
- Triteleia hendersonii (8 revisions)
- Caperonia palustris (8 revisions)
- Sageretia wrightii (8 revisions)
- Erythranthe rhodopetra (8 revisions)
- Draba cusickii (8 revisions)
- Erigeron reductus var. angustatus (8 revisions)
- Erythronium pluriflorum (8 revisions)
- Allium bolanderi (8 revisions)
- Pyracantha crenulata (8 revisions)
- Rhytidiadelphus triquetrus (8 revisions)
- Tradescantia occidentalis var. occidentalis (8 revisions)
- Castilleja flava var. rustica (8 revisions)
- Carex flacca (8 revisions)
- Amelanchier canadensis var. obovalis (8 revisions)
- Salix tracyi (8 revisions)
- Chrysopsis (8 revisions)
- Liparis nervosa (8 revisions)
- Calymperes afzelii (8 revisions)
- Voitia nivalis (8 revisions)
- Platyschkuhria (8 revisions)
- Sphaeralcea fendleri var. venusta (8 revisions)
- Rhododendron prinophyllum (8 revisions)
- Barbula unguiculata (8 revisions)
- Antennaria aromatica (8 revisions)
- Eremalche parryi subsp. parryi (8 revisions)
- Kerria (8 revisions)
- Veronica wormskjoldii subsp. nutans (8 revisions)
- Picris rhagadioloides (8 revisions)
- Horkeliella purpurascens (8 revisions)
- Penstemon murrayanus (8 revisions)
- Sarcodes (8 revisions)
- Diplacus thompsonii (8 revisions)
- Ribes amarum (8 revisions)
- Amaranthus caudatus (8 revisions)
- Senecio crassulus (8 revisions)
- Hypericum setosum (8 revisions)
- Neckera douglasii (8 revisions)
- Corispermum americanum var. americanum (8 revisions)
- Cirsium remotifolium var. rivulare (8 revisions)
- Commelina forskaolii (8 revisions)
- Dudleya nesiotica (8 revisions)
- Zelometeorium patulum (8 revisions)
- Populus deltoides subsp. monilifera (8 revisions)
- Sabal minor (8 revisions)
- Helenium elegans var. elegans (8 revisions)
- Heuchera merriamii (8 revisions)
- Rhynchospora nitens (8 revisions)
- Arabidopsis lyrata subsp. petraea (8 revisions)
- Eurybia eryngiifolia (8 revisions)
- Cerastium alpinum subsp. alpinum (8 revisions)
- Eleocharis lanceolata (8 revisions)
- Solidago auriculata (8 revisions)
- Rumex occidentalis (8 revisions)
- Hymenopappus artemisiifolius var. artemisiifolius (8 revisions)
- Gynura aurantiaca (8 revisions)
- Pectis imberbis (8 revisions)
- Helianthus divaricatus (8 revisions)
- Distichium (8 revisions)
- Caulanthus lasiophyllus (8 revisions)
- Arenaria lanuginosa var. saxosa (8 revisions)
- Linum lundellii (8 revisions)
- Zinnia grandiflora (8 revisions)
- Timmia sibirica (8 revisions)
- Sphagnum isoviitae (8 revisions)
- Tamarix tetragyna (8 revisions)
- Rhamnus davurica subsp. davurica (8 revisions)
- Leibnitzia (8 revisions)
- Spiranthes parksii (8 revisions)
- Heteranthera reniformis (8 revisions)
- Milla (8 revisions)
- Eucnide rupestris (8 revisions)
- Vitis (8 revisions)
- Buddleja racemosa (8 revisions)
- Draba hitchcockii (8 revisions)
- Erythronium mesochoreum (8 revisions)
- Helonias bullata (8 revisions)
- Malus toringo (8 revisions)
- Macrocoma tenuis subsp. sullivantii (8 revisions)
- Castilleja indivisa (8 revisions)
- Carex sect. Paniceae (8 revisions)
- Rosa setigera (8 revisions)
- Xylosma flexuosa (8 revisions)
- Chrysopsis gossypina subsp. hyssopifolia (8 revisions)
- Aplectrum hyemale (8 revisions)
- Thelia hirtella (8 revisions)
- Pohlia bolanderi (8 revisions)
- Pseudophoenix sargentii subsp. sargentii (8 revisions)
- Phyllodoce caerulea (8 revisions)
- Gymnostomum viridulum (8 revisions)
- Antennaria friesiana subsp. friesiana (8 revisions)
- Hibiscus denudatus (8 revisions)
- Veronica peregrina (8 revisions)
- Carduus crispus (8 revisions)
- Penstemon atwoodii (8 revisions)
- Penstemon watsonii (8 revisions)
- Pleuricospora fimbriolata (8 revisions)
- Diplacus parryi (8 revisions)
- Androsace elongata subsp. acuta (8 revisions)
- Amaranthus blitum (8 revisions)
- Senecio arizonicus (8 revisions)
- Bryolawtonia vancouveriensis (8 revisions)
- Corispermum nitidum (8 revisions)
- Isocoma arguta (8 revisions)
- Potamogeton pusillus subsp. gemmiparus (8 revisions)
- Sedum niveum (8 revisions)
- Fabronia ciliaris (8 revisions)
- Brassicaceae tribe Idahoa (8 revisions)
- Sagittaria guayanensis subsp. guayanensis (8 revisions)
- Hymenoxys brandegeei (8 revisions)
- Heuchera parishii (8 revisions)
- Trichophorum pumilum (8 revisions)
- Transberingia bursifolia subsp. virgata (8 revisions)
- Xanthisma grindelioides var. grindeloides (8 revisions)
- Eleocharis subg. Zinserlingia (8 revisions)
- Solidago gattingeri (8 revisions)
- Rumex pulcher (8 revisions)
- Perityle rupestris (8 revisions)
- Tephroseris kjellmanii (8 revisions)
- Porophyllum greggii (8 revisions)
- Helianthus tuberosus (8 revisions)
- Hesperidanthus barnebyi (8 revisions)
- Jatropha cuneata (8 revisions)
- Silphium terebinthinaceum var. pinnatifidum (8 revisions)
- Encalypta alpina (8 revisions)
- Seligeria diversifolia (8 revisions)
- Anoda abutiloides (8 revisions)
- Radiola linoides (8 revisions)
- Pseudelephantopus (8 revisions)
- Euphorbia agraria (8 revisions)
- Hesperaloe funifera (8 revisions)
- Euphorbia cyparissias (8 revisions)
- Frangula rubra subsp. rubra (8 revisions)
- Frangula rubra subsp. obtusissima (8 revisions)
- Erythranthe trinitiensis (8 revisions)
- Draba maguirei (8 revisions)
- Erigeron quercifolius (8 revisions)
- Fritillaria glauca (8 revisions)
- Allium simillimum (8 revisions)
- Pseudocydonia sinensis (8 revisions)
- Leskea australis (8 revisions)
- Hechtia glomerata (8 revisions)
- Castilleja lineariloba (8 revisions)
- Carex crebriflora (8 revisions)
- Rosa sherardii (8 revisions)
- Salix bonplandiana (8 revisions)
- Pityopsis graminifolia var. aequilifolia (8 revisions)
- Trillium lancifolium (8 revisions)
- Ulota curvifolia (8 revisions)
- Pohlia andalusica (8 revisions)
- Xyris torta (8 revisions)
- Bolboschoenus robustus (8 revisions)
- Kalmia microphylla var. occidentalis (8 revisions)
- Didymodon perobtusus (8 revisions)
- Pseudognaphalium macounii (8 revisions)
- Hibiscus dasycalyx (8 revisions)
- Veronica argute-serrata (8 revisions)
- Malacothrix glabrata (8 revisions)
- Drymocallis lactea var. austiniae (8 revisions)
- Penstemon eriantherus var. cleburnei (8 revisions)
- Penstemon glandulosus var. glandulosus (8 revisions)
- Potentilla versicolor (8 revisions)
- Arctous rubra (8 revisions)
- Diplacus rupicola (8 revisions)
- Amaranthus albus (8 revisions)
- Senecio flaccidus var. monoensis (8 revisions)
- Triadenum virginicum (8 revisions)
- Tripterocladium (8 revisions)
- Atriplex heterosperma (8 revisions)
- Carex sect. Acrocystis (8 revisions)
- Plagiothecium laetum (8 revisions)
- Lepidium campestre (8 revisions)
- Phyllospadix torreyi (8 revisions)
- Hymenoxys jamesii (8 revisions)
- Heuchera grossulariifolia (8 revisions)
- Rhynchospora microcarpa (8 revisions)
- Cardamine angustata (8 revisions)
- Machaeranthera tanacetifolia (8 revisions)
- Cerastium texanum (8 revisions)
- Fimbristylis (8 revisions)
- Solidago rugosa subsp. rugosa (8 revisions)
- Polygonella (8 revisions)
- Perityle vaseyi (8 revisions)
- Arnoglossum atriplicifolium (8 revisions)
- Thymophylla (8 revisions)
- Ceanothus (8 revisions)
- Silphium glutinosum (8 revisions)
- Bryoxiphium norvegicum (8 revisions)
- Oxalis (8 revisions)
- Vernonia texana (8 revisions)
- Karwinskia (8 revisions)
- Agave ×arizonica (8 revisions)
- Entosthodon californicus (8 revisions)
- Garrya goldmanii (8 revisions)
- Cornus subg. Arctocrania (8 revisions)
- Ceanothus foliosus var. vineatus (8 revisions)
- Draba oreibata (8 revisions)
- Erigeron hyperboreus (8 revisions)
- Allium hoffmanii (8 revisions)
- Crataegus (sect. Crataegus) ser. Cordatae (8 revisions)
- Pseudoleskea incurvata var. tenuiretis (8 revisions)
- Eriocaulon cinereum (8 revisions)
- Castilleja miniata var. oblongifolia (8 revisions)
- Schoenoplectus purshianus var. williamsii (8 revisions)
- Rosa foliolosa (8 revisions)
- Limnanthes alba subsp. versicolor (8 revisions)
- Heterotheca grandiflora (8 revisions)
- Maxillaria (8 revisions)
- Lilium (8 revisions)
- Zygodon viridissimus var. dentatus (8 revisions)
- Epipterygium (8 revisions)
- Stuckenia filiformis subsp. alpina (8 revisions)
- Thymelaea (8 revisions)
- Carex sect. Ovales (8 revisions)
- Erica (8 revisions)
- Spiranthes porrifolia (8 revisions)
- Didymodon maschalogena (8 revisions)
- Anaphalis margaritacea (8 revisions)
- Iliamna grandiflora (8 revisions)
- Micranthemum micranthemoides (8 revisions)
- Malacothrix stebbinsii (8 revisions)
- Drymocallis cuneifolia (8 revisions)
- Scrophularia (8 revisions)
- Penstemon leonardii var. higginsii (8 revisions)
- Potentilla concinna var. proxima (8 revisions)
- Ribes oxyacanthoides var. irriguum (8 revisions)
- Sairocarpus subcordatus (8 revisions)
- Dodecatheon dentatum (8 revisions)
- Tidestromia suffruticosa var. suffruticosa (8 revisions)
- Senecio aphanactis (8 revisions)
- Viola arvensis (8 revisions)
- Anomodon minor (8 revisions)
- Atriplex lindleyi (8 revisions)
- Ericameria nauseosa var. ceruminosa (8 revisions)
- Carex communis var. communis (8 revisions)
- Fontinalis novae-angliae (8 revisions)
- Lepidium integrifolium (8 revisions)
- Potamogeton floridanus (8 revisions)
- Tetraneuris turneri (8 revisions)
- Ribes wolfii (8 revisions)
- Rhynchospora brachychaeta (8 revisions)
- Cardamine flexuosa (8 revisions)
- Dieteria canescens var. incana (8 revisions)
- Salix niphoclada (8 revisions)
- Myosoton aquaticum (8 revisions)
- Scirpus cyperinus (8 revisions)
- Polygonella myriophylla (8 revisions)
- Perityle inyoensis (8 revisions)
- Luina serpentina (8 revisions)
- Smallanthus (8 revisions)
- Streptanthus breweri (8 revisions)
- Mentzelia densa (8 revisions)
- Berlandiera pumila (8 revisions)
- Fissidens fontanus (8 revisions)
- Paysonia (8 revisions)
- Tribulus cistoides (8 revisions)
- Cichorium intybus (8 revisions)
- Phyllanthus (8 revisions)
- Agave desmettiana (8 revisions)
- Funaria arctica (8 revisions)
- Gyminda latifolia (8 revisions)
- Cornus amomum (8 revisions)
- Paliurus spina-christi (8 revisions)
- Sisyrinchium albidum (8 revisions)
- Draba ramosissima (8 revisions)
- Erigeron howellii (8 revisions)
- Crinum americanum var. traubii (8 revisions)
- Crataegus aquacervensis (8 revisions)
- Pterigynandraceae (8 revisions)
- Castilleja organorum (8 revisions)
- Carex plantaginea (8 revisions)
- Rosa nutkana subsp. nutkana (8 revisions)
- Bataceae (8 revisions)
- Orchidaceae subfam. Cypripedioideae (8 revisions)
- Lilium maritimum (8 revisions)
- Aulacomnium androgynum (8 revisions)
- Mnium blyttii (8 revisions)
- Elaeis guineensis (8 revisions)
- Cistanthe (8 revisions)
- Carex microptera (8 revisions)
- Lyonia (8 revisions)
- Galearis (8 revisions)
- Bryoerythrophyllum recurvirostrum (8 revisions)
- Gamochaeta calviceps (8 revisions)
- Lavatera thuringiaca (8 revisions)
- Orobanche uniflora subsp. occidentalis (8 revisions)
- Alchemilla wichurae (8 revisions)
- Penstemon barbatus var. barbatus (8 revisions)
- Penstemon sepalulus (8 revisions)
- Potentilla rhyolitica (8 revisions)
- Arctostaphylos rainbowensis (8 revisions)
- Callitriche palustris (8 revisions)
- Dodecatheon meadia (8 revisions)
- Alternanthera maritima (8 revisions)
- Senecio serra var. serra (8 revisions)
- Viola canina (8 revisions)
- Ferocactus hamatacanthus var. hamatacanthus (8 revisions)
- Atriplex subsect. Saccariae (8 revisions)
- Lessingia micradenia var. micradenia (8 revisions)
- Eleocharis ambigens (8 revisions)
- Orthotrichum norrisii (8 revisions)
- Juncus covillei var. covillei (8 revisions)
- Psilostrophe bakeri (8 revisions)
- Jepsonia (8 revisions)
- Cladium californicum (8 revisions)
- Cardamine parviflora (8 revisions)
- Arida riparia (8 revisions)
- Lobularia maritima (8 revisions)
- Stellaria dicranoides (8 revisions)
- Bulbostylis juncoides (8 revisions)
- Egletes (8 revisions)
- Polygonum erectum (8 revisions)
- Perityle lindheimeri var. lindheimeri (8 revisions)
- Tetradymia axillaris var. axillaris (8 revisions)
- Flaveria brownii (8 revisions)
- Lepuropetalon (8 revisions)
- Echinacea simulata (8 revisions)
- Fissidens elegans (8 revisions)
- Physaria angustifolia (8 revisions)
- Cissus verticillata (8 revisions)
- Pedicularis bracteosa var. flavida (8 revisions)
- Croton suaveolens (8 revisions)
- Brickellia grandiflora (8 revisions)
- Agave deserti (8 revisions)
- Pyramidula tetragona (8 revisions)
- Euphorbia hexagona (8 revisions)
- Arceuthobium vaginatum subsp. cryptopodum (8 revisions)
- Zigadenus glaberrimus (8 revisions)
- Salix exigua var. exigua (8 revisions)
- Hymenocallis coronaria (8 revisions)
- Crataegus sect. Sanguineae (8 revisions)
- Abietinella abietina (8 revisions)
- Carex planispicata (8 revisions)
- Potentilla sect. Pentaphylloides (8 revisions)
- Cynophalla (8 revisions)
- Heterotheca villosa var. ballardii (8 revisions)
- Orchidaceae (tribe Arethuseae) subtribe Arethusinae (8 revisions)
- Lilium michiganense (8 revisions)
- Bartramia halleriana (8 revisions)
- Plagiomnium floridanum (8 revisions)
- Sagittaria graminea subsp. graminea (8 revisions)
- Claytonia arenicola (8 revisions)
- Chamaedaphne (8 revisions)
- Platanthera huronensis (8 revisions)
- Hymenostylium recurvirostrum var. recurvirostrum (8 revisions)
- Facelis retusa (8 revisions)
- Malacothamnus aboriginum (8 revisions)
- Orobanche ludoviciana (8 revisions)
- Turnera (8 revisions)
- Aphanes australis (8 revisions)
- Penstemon havardii (8 revisions)
- Penstemon floridus var. floridus (8 revisions)
- Potentilla nana (8 revisions)
- Arctostaphylos otayensis (8 revisions)
- Gomphrena globosa (8 revisions)
- Packera aurea (8 revisions)
- Viola hirsutula (8 revisions)
- Mammillaria lasiacantha (8 revisions)
- Acleisanthes angustifolia (8 revisions)
- Psilactis heterocarpa (8 revisions)
- Buckiella undulata (8 revisions)
- Suksdorfia ranunculifolia (8 revisions)
- Scleria ciliata var. glabra (8 revisions)
- Leavenworthia exigua (8 revisions)
- Oönopsis multicaulis (8 revisions)
- Dimorphocarpa candicans (8 revisions)
- Stellaria obtusa (8 revisions)
- Cyperus dentatus (8 revisions)
- Boechera holboellii (8 revisions)
- Solidago sect. Ptarmicoidei (8 revisions)
- Polygonum plebeium (8 revisions)
- Ericameria resinosa (8 revisions)
- Jaumea carnosa (8 revisions)
- Streptanthus insignis subsp. insignis (8 revisions)
- Oxalis hirta var. hirta (8 revisions)
- Ambrosia confertiflora (8 revisions)
- Fissidens hyalinus (8 revisions)
- Salix sect. Hastatae (8 revisions)
- Hippocratea (8 revisions)
- Crepis pannonica (8 revisions)
- Pedicularis contorta var. rubicunda (8 revisions)
- Mentzelia springeri (8 revisions)
- Brickellia microphylla var. microphylla (8 revisions)
- Manfreda sileri (8 revisions)
- Schistidium cinclidodonteum (8 revisions)
- Croton sancti-lazari (8 revisions)
- Ceanothus integerrimus (8 revisions)
- Sisyrinchium idahoense var. macounii (8 revisions)
- Draba viridis (8 revisions)
- Hymenocallis henryae var. glaucifolia (8 revisions)
- Crataegus rubribracteolata (8 revisions)
- Thuidium delicatulum (8 revisions)
- Castilleja revealii (8 revisions)
- Carex gracillima (8 revisions)
- Potentilla erecta (8 revisions)
- Polanisia tenuifolia (8 revisions)
- Erigeron hyssopifolius (8 revisions)
- Orchidaceae (tribe Cranichideae) subtribe Prescottiinae (8 revisions)
- Hypoxis mexicana (8 revisions)
- Sorbaria sorbifolia (8 revisions)
- Philonotis capillaris (8 revisions)
- Rhizomnium pseudopunctatum (8 revisions)
- Mirabilis tenuiloba (8 revisions)
- Carex tribuloides var. tribuloides (8 revisions)
- Crataegus buckleyi (8 revisions)
- Platanthera peramoena (8 revisions)
- Tortula lanceola (8 revisions)
- Stylocline sonorensis (8 revisions)
- Malvastrum americanum (8 revisions)
- Orobanche vallicola (8 revisions)
- Microseris howellii (8 revisions)
- Passiflora arizonica (8 revisions)
- Poteridium (8 revisions)
- Potentilla tikhomirovii (8 revisions)
- Arctostaphylos auriculata (8 revisions)
- Myrsinaceae (8 revisions)
- Echinocystis (8 revisions)
- Atriplex parishii var. persistens (8 revisions)
- Symphyotrichum subulatum var. parviflorum (8 revisions)
- Carex sect. Lamprochlaenae (8 revisions)
- Herzogiella seligeri (8 revisions)
- Symplocarpus foetidus (8 revisions)
- Eupatorium lancifolium (8 revisions)
- Saxifraga (8 revisions)
- Carex crus-corvi (8 revisions)
- Salix ovalifolia var. ovalifolia (8 revisions)
- Gaultheria humifusa (8 revisions)
- Cyperus difformis (8 revisions)
- Boechera microphylla (8 revisions)
- Eastwoodia elegans (8 revisions)
- Eremogone aberrans (8 revisions)
- Oclemena acuminata (8 revisions)
- Lagophylla ramosissima (8 revisions)
- Thelypodiopsis (8 revisions)
- Bahiopsis (8 revisions)
- Philadelphus coronarius (8 revisions)
- Wyethia helianthoides (8 revisions)
- Campylopus arctocarpus (8 revisions)
- Mentzelia desertorum (8 revisions)
- Crepis zacintha (8 revisions)
- Epixiphium wislizeni (8 revisions)
- Euphorbia misera (8 revisions)
- Flyriella (8 revisions)
- Smilax herbacea (8 revisions)
- Sphagnum sect. Isocladus (8 revisions)
- Sclerolinon (8 revisions)
- Acourtia microcephala (8 revisions)
- Iris lacustris (8 revisions)
- Boechera burkii (8 revisions)
- Erigeron sionis var. trilobatus (8 revisions)
- Zephyranthes drummondii (8 revisions)
- Crataegus viridis var. ovata (8 revisions)
- Mabrya acerifolia (8 revisions)
- Carex sprengelii (8 revisions)
- Potentilla intermedia (8 revisions)
- Cleomella (8 revisions)
- Erigeron canaani (8 revisions)
- Scoliopus hallii (8 revisions)
- Triantha racemosa (8 revisions)
- Anomobryum julaceum (8 revisions)
- Catoscopium nigritum (8 revisions)
- Tillandsia utriculata (8 revisions)
- Claytonia sibirica (8 revisions)
- Carex silicea (8 revisions)
- Platanthera integra (8 revisions)
- Sphagnum beothuk (8 revisions)
- Monolopia lanceolata (8 revisions)
- Psilocarphus elatior (8 revisions)
- Cucumis melo subsp. agrestis (8 revisions)
- Euphrasia stricta var. stricta (8 revisions)
- Munzothamnus (8 revisions)
- Pilostyles thurberi (8 revisions)
- Dryas drummondii (8 revisions)
- Penstemon glaber var. brandegeei (8 revisions)
- Bacopa monnieri (8 revisions)
- Potentilla uschakovii (8 revisions)
- Arctostaphylos montaraensis (8 revisions)
- Lysimachia fraseri (8 revisions)
- Viola pinetorum var. grisea (8 revisions)
- Atriplex pentandra (8 revisions)
- Symphyotrichum patens var. gracile (8 revisions)
- Carex latebracteata (8 revisions)
- Hypnum cupressiforme var. cupressiforme (8 revisions)
- Dysphania anthelmintica (8 revisions)
- Artemisia arbuscula subsp. arbuscula (8 revisions)
- Typha (8 revisions)
- Eupatorium rotundifolium var. rotundifolium (8 revisions)
- Saxifraga chrysantha (8 revisions)
- Carex sect. Multiflorae (8 revisions)
- Calliergon richardsonii (8 revisions)
- Rorippa ramosa (8 revisions)
- Ericameria linearifolia (8 revisions)
- Vaccinium parvifolium (8 revisions)
- Spergularia diandra (8 revisions)
- Cyperus lanceolatus (8 revisions)
- Boechera pinetorum (8 revisions)
- Stenotus armerioides var. gramineus (8 revisions)
- Polygonum engelmannii (8 revisions)
- Amphiachyris (8 revisions)
- Layia gaillardioides (8 revisions)
- Tridax procumbens (8 revisions)
- Verbesina occidentalis (8 revisions)
- Campylopus sinensis (8 revisions)
- Physaria geyeri subsp. purpurea (8 revisions)
- Euonymus occidentalis var. parishii (8 revisions)
- Taraxacum holmenianum (8 revisions)
- Pedicularis pulchella (8 revisions)
- Vitis arizonica (8 revisions)
- Liatris squarrosa var. squarrosa (8 revisions)
- Sphagnum russowii (8 revisions)
- Fagonia laevis (8 revisions)
- Iris tenax (8 revisions)
- Boechera dentata (8 revisions)
- Conyza floribunda (8 revisions)
- Camassia quamash subsp. quamash (8 revisions)
- Castilleja wightii (8 revisions)
- Carex lemmonii (8 revisions)
- Potentilla townsendii (8 revisions)
- Oxystylis (8 revisions)
- Doellingeria umbellata var. pubens (8 revisions)
- Calochortus elegans var. nanus (8 revisions)
- Echeandia flavescens (8 revisions)
- Hypopterygium (8 revisions)
- Juncus trigonocarpus (8 revisions)
- Lewisia cotyledon var. heckneri (8 revisions)
- Carex shinnersii (8 revisions)
- Crataegus irrasa (8 revisions)
- Dactylorhiza (8 revisions)
- Globulinella (8 revisions)
- Bryum lanatum (8 revisions)
- Ancistrocarphus filagineus (8 revisions)
- Rhynchosida physocalyx (8 revisions)
- Euphrasia wettsteinii (8 revisions)
- Stephanomeria malheurensis (8 revisions)
- Tilia (8 revisions)
- Rubus laciniatus (8 revisions)
- Penstemon nudiflorus (8 revisions)
- Gratiola heterosepala (8 revisions)
- Ivesia callida (8 revisions)
- Lysimachia tonsa (8 revisions)
- Viola purpurea var. mesophyta (8 revisions)
- Atriplex sect. Phyllostegiae (8 revisions)
- Symphyotrichum ericoides var. ericoides (8 revisions)
- Carex sect. Capituligerae (8 revisions)
- Hypnum pratense (8 revisions)
- Chenopodium subg. Blitum (8 revisions)
- Artemisia tridentata subsp. parishii (8 revisions)
- Catopsis nutans (8 revisions)
- Ambrosia deltoidea (8 revisions)
- Saxifraga rivularis subsp. rivularis (8 revisions)
- Carex socialis (8 revisions)
- Sarmentypnum pseudosarmentosum (8 revisions)
- Subularia aquatica subsp. americana (8 revisions)
- Grindelia squarrosa (8 revisions)
- Vaccinium hirsutum (8 revisions)
- Minuartia rubella (8 revisions)
- Cyperus articulatus (8 revisions)
- Boechera rigidissima (8 revisions)
- Tonestus eximius (8 revisions)
- Persicaria perfoliata (8 revisions)
- Gutierrezia californica (8 revisions)
- Calycadenia fremontii (8 revisions)
- Salix monochroma (8 revisions)
- Coreopsis calliopsidea (8 revisions)
- Picrodendraceae (8 revisions)
- Phoebanthus (8 revisions)
- Dichodontium olympicum (8 revisions)
- Physaria hitchcockii subsp. rubicundula (8 revisions)
- Mentzelia dispersa (8 revisions)
- Mulgedium (8 revisions)
- Pedicularis verticillata (8 revisions)
- Euphorbia roemeriana (8 revisions)
- Liatris elegans var. bridgesii (8 revisions)
- Andreaea obovata (8 revisions)
- Grimmia pilifera (8 revisions)
- Euphorbia polyphylla (8 revisions)
- Cirsium arizonicum var. tenuisectum (8 revisions)
- Dioscorea floridana (8 revisions)
- Iris pseudacorus (8 revisions)
- Boechera formosa (8 revisions)
- Ericameria compacta (8 revisions)
- Chlorogalum (8 revisions)
- Crataegus (sect. Coccineae) ser. Aestivales (8 revisions)
- Cordylanthus eremicus (8 revisions)
- Carex sect. Longicaules (8 revisions)
- Hemiscola aculeata var. aculeata (8 revisions)
- Erigeron pumilus var. pumilus (8 revisions)
- Calochortus howellii (8 revisions)
- Hosta (8 revisions)
- Holodiscus microphyllus var. microphyllus (8 revisions)
- Hygrohypnum eugyrium (8 revisions)
- Luzula subcongesta (8 revisions)
- Lewisia triphylla (8 revisions)
- Crataegus austromontana (8 revisions)
- Epipactis gigantea (8 revisions)
- Crossidium crassinervium var. crassinervium (8 revisions)
- Gemmabryum exile (8 revisions)
- Eriophyllum lanatum var. leucophyllum (8 revisions)
- Montia (8 revisions)
- Crataegus triflora (8 revisions)
- Epipactis helleborine (8 revisions)
- Sphagnum fimbriatum (8 revisions)
- Gemmabryum gemmiferum (8 revisions)
- Eriophyllum lanatum var. hallii (8 revisions)
- Dittrichia graveolens (8 revisions)
- Cucumis anguria var. longaculeatus (8 revisions)
- Buchnera floridana (8 revisions)
- Pleuridium ravenelii (8 revisions)
- Glyptopleura setulosa (8 revisions)
- Ayenia compacta (8 revisions)
- Chamaebatia australis (8 revisions)
- Penstemon speciosus (8 revisions)
- Mecardonia acuminata var. acuminata (8 revisions)
- Ivesia paniculata (8 revisions)
- Penstemon subg. Dasanthera (8 revisions)
- Stewartia malacodendron (8 revisions)
- Sedum ochroleucum (8 revisions)
- Viola sororia (8 revisions)
- Atriplex gardneri var. aptera (8 revisions)
- Symphyotrichum drummondii var. texanum (8 revisions)
- Eleocharis compressa var. acutisquamata (8 revisions)
- Orthothecium (8 revisions)
- Chenopodium rubrum var. humile (8 revisions)
- Artemisia annua (8 revisions)
- Mayacaceae (8 revisions)
- Stevia (8 revisions)
- Crassula colligata (8 revisions)
- Carex muehlenbergii var. enervis (8 revisions)
- Brachythecium rivulare (8 revisions)
- Brassicaceae tribe Conringieae (8 revisions)
- Asteraceae tribe Heliantheae (8 revisions)
- Dudleya subg. Dudleya (8 revisions)
- Cyperus giganteus (8 revisions)
- Boechera tiehmii (8 revisions)
- Chrysothamnus greenei (8 revisions)
- Persicaria robustior (8 revisions)
- Deinandra arida (8 revisions)
- Coreopsis pulchra (8 revisions)
- Ziziphus mauritiana (8 revisions)
- Encelia (8 revisions)
- Dicranodontium uncinatum (8 revisions)
- Physaria lepidota subsp. membranacea (8 revisions)
- Ceanothus cuneatus var. ramulosus (8 revisions)
- Prenanthes alba (8 revisions)
- Agalinis gattingeri (8 revisions)
- Cissus trifoliata (8 revisions)
- Tetraphis pellucida var. trachypoda (8 revisions)
- Grimmia elatior (8 revisions)
- Phoradendron villosum subsp. villosum (8 revisions)
- Cirsium eatonii var. eriocephalum (8 revisions)
- Cypripedium arietinum (8 revisions)
- Belamcanda chinensis (8 revisions)
- Oreostemma alpigenum var. haydenii (8 revisions)
- Hastingsia serpentinicola (8 revisions)
- Geum geniculatum (8 revisions)
- Cordylanthus pringlei (8 revisions)
- Carex sect. Paludosae (8 revisions)
- Aurinia petraea (8 revisions)
- Erigeron nematophyllus (8 revisions)
- Calochortus simulans (8 revisions)
- Allium canadense var. ecristatum (8 revisions)
- Vauquelinia (8 revisions)
- Anacamptodon (8 revisions)
- Juncus hemiendytus var. abjectus (8 revisions)
- Phemeranthus humilis (8 revisions)
- Carex lenticularis var. dolia (8 revisions)
- Crataegus (sect. Coccineae) ser. Lacrimatae (8 revisions)
- Trillium chloropetalum (8 revisions)
- Syntrichia papillosa (8 revisions)
- Imbribryum (8 revisions)
- Rudbeckia californica (8 revisions)
- Pluchea carolinensis (8 revisions)
- Sidalcea campestris (8 revisions)
- Arctostaphylos manzanita (8 revisions)
- Venturiella (8 revisions)
- Shinnersoseris rostrata (8 revisions)
- Melochia villosa (8 revisions)
- Rubus leucodermis var. leucodermis (8 revisions)
- Penstemon arenarius (8 revisions)
- Stemodia schottii (8 revisions)
- Ivesia muirii (8 revisions)
- Penstemon montanus var. montanus (8 revisions)
- Pyxidanthera brevifolia (8 revisions)
- Ptilium (8 revisions)
- Chenopodium subsect. Undata (8 revisions)
- Trichocoronis wrightii var. wrightii (8 revisions)
- Bryophyllum daigremontianum (8 revisions)
- Fuirena simplex var. aristulata (8 revisions)
- Brachythecium erythrorrhizon var. alpinum (8 revisions)
- Descurainia obtusa (8 revisions)
- Juncus dudleyi (8 revisions)
- Vaccinium sect. Polycodium (8 revisions)
- Sagina japonica (8 revisions)
- Cyperus grayoides (8 revisions)
- Phoenicaulis cheiranthoides (8 revisions)
- Deinandra bacigalupii (8 revisions)
- Coreopsis leavenworthii (8 revisions)
- Tragia urticifolia (8 revisions)
- Melanthera nivea (8 revisions)
- Dicranum rhabdocarpum (8 revisions)
- Physaria obcordata (8 revisions)
- Ampelopsis aconitifolia (8 revisions)
- Sonchus (8 revisions)
- Agalinis pulchella (8 revisions)
- Mentzelia flumensevera (8 revisions)
- Liatris gholsonii (8 revisions)
- Polytrichaceae (8 revisions)
- Grimmia shastae (8 revisions)
- Coccinia grandis (8 revisions)
- Euphorbia missurica (8 revisions)
- Cirsium foliosum (8 revisions)
- Cypripedium kentuckiense (8 revisions)
- Crocosmia (8 revisions)
- Ornithogalum nutans (8 revisions)
- Crataegus iracunda (8 revisions)
- Cordylanthus wrightii subsp. kaibabensis (8 revisions)
- Carex sect. Carex (8 revisions)
- Arabis caucasica (8 revisions)
- Erigeron sivinskii (8 revisions)
- Calochortus aureus (8 revisions)
- Allium perdulce (8 revisions)
- Sorbus sect. Sorbus (8 revisions)
- Drepanocladus arcticus (8 revisions)
- Xyris baldwiniana (8 revisions)
- Seymeria bipinnatisecta (8 revisions)
- Schoenoplectus pungens (8 revisions)
- Crataegus florens (8 revisions)
- Thlaspi (8 revisions)
- Calopogon tuberosus (8 revisions)
- Syntrichia ruralis (8 revisions)
- Plagiobryoides renauldii (8 revisions)
- Tanacetum bipinnatum (8 revisions)
- Sidalcea hickmanii subsp. napensis (8 revisions)
- Arctostaphylos tomentosa subsp. hebeclada (8 revisions)
- Scopelophila cataractae (8 revisions)
- Pinaropappus (8 revisions)
- Abutilon hirtum (8 revisions)
- Prunus virginiana var. virginiana (8 revisions)
- Lindernia monticola (8 revisions)
- Ivesia argyrocoma (8 revisions)
- Capraria mexicana (8 revisions)
- Penstemon canescens (8 revisions)
- Ribes hirtellum (8 revisions)
- Sedum spathulifolium var. spathulifolium (8 revisions)
- Sarcocornia pacifica (8 revisions)
- Symphyotrichum lanceolatum var. hesperium (8 revisions)
- Sematophyllaceae (8 revisions)
- Artemisia papposa (8 revisions)
- Lilaea scilloides (8 revisions)
- Brickellia baccharidea (8 revisions)
- Aeonium (8 revisions)
- Carex sect. Ammoglochin (8 revisions)
- Clasmatodon parvulus (8 revisions)
- Tropidocarpum capparideum (8 revisions)
- Tinantia anomala (8 revisions)
- Chaenactis macrantha (8 revisions)
- Ribes triste (8 revisions)
- Cyperus pseudothyrsiflorus (8 revisions)
- Brassica tournefortii (8 revisions)
- Aconogonon davisiae var. davisiae (8 revisions)
- Solidago simplex var. racemosa (8 revisions)
- Hemizonia congesta subsp. calyculata (8 revisions)
- Packera ganderi (8 revisions)
- Cyclachaena xanthiifolia (8 revisions)
- Hippocratea volubilis (8 revisions)
- Borrichia arborescens (8 revisions)
- Sphagnum rubroflexuosum (8 revisions)
- Physaria prostrata (8 revisions)
- Frangula (8 revisions)
- Cynara (8 revisions)
- Aureolaria patula (8 revisions)
- Euphorbia mesembrianthemifolia (8 revisions)
- Carphephorus tomentosus (8 revisions)
- Sphagnum papillosum (8 revisions)
- Bucklandiella sect. Marginatae (8 revisions)
- Lechea maritima var. subcylindrica (8 revisions)
- Argythamnia adenophora (8 revisions)
- Saussurea americana (8 revisions)
- Goodyera (8 revisions)
- Gladiolus tristis (8 revisions)
- Brodiaea elegans subsp. hooveri (8 revisions)
- Crataegus prona (8 revisions)
- Orthocarpus purpureoalbus (8 revisions)
- Carex vesicaria (8 revisions)
- Arabis blepharophylla (8 revisions)
- Erigeron lanatus (8 revisions)
- Calochortus plummerae (8 revisions)
- Allium rotundum (8 revisions)
- Aronia (8 revisions)
- Hygroamblystegium varium subsp. varium (8 revisions)
- Carex chalciolepis (8 revisions)
- Salix scouleriana (8 revisions)
- Townsendia eximia (8 revisions)
- Basiphyllaea (8 revisions)
- Chenia (8 revisions)
- Ptychostomum neodamense (8 revisions)
- Jamesianthus alabamensis (8 revisions)
- Sphaeromeria (8 revisions)
- Sidalcea malviflora subsp. patula (8 revisions)
- Arctostaphylos glandulosa subsp. leucophylla (8 revisions)
- Trichostomum crispulum (8 revisions)
- Calendula arvensis (8 revisions)
- Alcea (8 revisions)
- Prunus minutiflora (8 revisions)
- Plantago rhodosperma (8 revisions)
- Horkelia bolanderi (8 revisions)
- Penstemon crandallii var. procumbens (8 revisions)
- Penstemon gairdneri var. gairdneri (8 revisions)
- Sarracenia minor (8 revisions)
- Carex sect. Shortianae (8 revisions)
- Penthoraceae (8 revisions)
- Suaeda rolandii (8 revisions)
- Symphyotrichum rhiannon (8 revisions)
- Podostemaceae (8 revisions)
- Brotherella henonii (8 revisions)
- Chenopodium berlandieri var. bushianum (8 revisions)
- Anthemis arvensis (8 revisions)
- Potamogeton foliosus subsp. foliosus (8 revisions)
- Brickellia eupatorioides var. corymbulosa (8 revisions)
- Dudleya densiflora (8 revisions)
- Orthotrichum fenestratum (8 revisions)
- Erysimum hieraciifolium (8 revisions)
- Juncus confusus (8 revisions)
- Asteraceae (tribe Heliantheae) subtribe Gaillardiinae (8 revisions)
- Micranthes fragosa (8 revisions)
- Cyperus filiformis (8 revisions)
- Cakile edentula subsp. harperi (8 revisions)
- Limonium perezii (8 revisions)
- Baccharis plummerae subsp. glabrata (8 revisions)
- Harmonia doris-nilesiae (8 revisions)
- Bidens discoidea (8 revisions)
- Causonis japonica (8 revisions)
- Oncophorus rauei (8 revisions)
- Physaria spatulata (8 revisions)
- Linum westii (8 revisions)
- Hieracium umbellatum (8 revisions)
- Brunnichia ovata (8 revisions)
- Maytenus (8 revisions)
- Chromolaena (8 revisions)
- Meiotrichum lyallii (8 revisions)
- Lechea torreyi var. torreyi (8 revisions)
- Euphorbia geyeri var. geyeri (8 revisions)
- Acroptilon repens (8 revisions)
- Cyclopogon elatus (8 revisions)
- Nolina erumpens (8 revisions)
- Dichelostemma capitatum subsp. capitatum (8 revisions)
- Crataegus pruinosa var. magnifolia (8 revisions)
- Mazaceae (8 revisions)
- Carex louisianica (8 revisions)
- Erigeron cavernensis (8 revisions)
- Streptopus amplexifolius (8 revisions)
- Allium monticola (8 revisions)
- Cotoneaster transens (8 revisions)
- Calliergonella cuspidata (8 revisions)
- Najas guadalupensis subsp. olivacea (8 revisions)
- Castilleja chambersii (8 revisions)
- Carex adelostoma (8 revisions)
- Salix arbusculoides (8 revisions)
- Townsendia minima (8 revisions)
- Prosthechea boothiana var. erythronioides (8 revisions)
- Luisierella (8 revisions)
- Ptychostomum cyclophyllum (8 revisions)
- Bahia bigelovii (8 revisions)
- Cirsium grahamii (8 revisions)
- Sidalcea robusta (8 revisions)
- Menziesia (8 revisions)
- Tortella inclinata (8 revisions)
- Antennaria dimorpha (8 revisions)
- Anoda lanceolata (8 revisions)
- Prunus cerasifera (8 revisions)
- Synthyris alpina (8 revisions)
- Horkelia californica var. frondosa (8 revisions)
- Penstemon lanceolatus (8 revisions)
- Penstemon humilis var. humilis (8 revisions)
- Clethra tomentosa (8 revisions)
- Erythranthe nudata (8 revisions)
- Carex viridula var. elatior (8 revisions)
- Salsola vermiculata (8 revisions)
- Symphyotrichum foliaceum var. apricum (8 revisions)
- Hypericum nitidum subsp. exile (8 revisions)
- Orthotrichum pycnophyllum (8 revisions)
- Acleisanthes (8 revisions)
- Soliva sessilis (8 revisions)
- Acrocomia (8 revisions)
- Dudleya abramsii (8 revisions)
- Palamocladium leskeoides (8 revisions)
- Braya glabella subsp. glabella (8 revisions)
- Spirodela polyrrhiza (8 revisions)
- Gaillardia multiceps (8 revisions)
- Tellima grandiflora (8 revisions)
- Lipocarpha maculata (8 revisions)
- Erucastrum (8 revisions)
- Herrickia kingii var. kingii (8 revisions)
- Eleocharis pachycarpa (8 revisions)
- Solidago caesia var. zedia (8 revisions)
- Madia exigua (8 revisions)
- Ericameria parryi var. howardii (8 revisions)
- Bidens eatonii (8 revisions)
- Stillingia treculiana (8 revisions)
- Helianthus argophyllus (8 revisions)
- Bruchia bolanderi (8 revisions)
- Sisymbrium polyceratium (8 revisions)
- Hieracium horridum (8 revisions)
- Rumex subg. Acetosella (8 revisions)
- Eucommiaceae Illustrations (8 revisions)
- Arceuthobium campylopodum subsp. campylopodum (8 revisions)
- Ageratina aromatica (8 revisions)
- Atrichum altecristatum (8 revisions)
- Niphotrichum elongatum (8 revisions)
- Crocanthemum corymbosum (8 revisions)
- Linum floridanum var. floridanum (8 revisions)
- Carthamus leucocaulos (8 revisions)
- Sacoila lanceolata var. lanceolata (8 revisions)
- Yucca (8 revisions)
- Muilla transmontana (8 revisions)
- Crataegus eximia (8 revisions)
- Phryma leptostachya var. leptostachya (8 revisions)
- Draba californica (8 revisions)
- Erigeron mancus (8 revisions)
- Erythronium (8 revisions)
- Allium fimbriatum var. mohavense (8 revisions)
- Cotoneaster lucidus (8 revisions)
- Elodium blandowii (8 revisions)
- Juncus pervetus (8 revisions)
- Castilleja densiflora var. densiflora (8 revisions)
- Rosa (8 revisions)
- Salix sect. Viminella (8 revisions)
- Chaetopappa parryi (8 revisions)
- Dendrophylax (8 revisions)
- Ephemerum crassinervium (8 revisions)
- Rosulabryum andicola (8 revisions)
- Palafoxia sphacelata (8 revisions)
- Sphaeralcea angustifolia var. oblongifolia (8 revisions)
- Rhododendron macrophyllum (8 revisions)
- Aschisma (8 revisions)
- Prunus hortulana (8 revisions)
- Synthyris plantaginea (8 revisions)
- Horkelia sericata (8 revisions)
- Penstemon bracteatus (8 revisions)
- Penstemon pratensis (8 revisions)
- Pyrola grandiflora (8 revisions)
- Sairocarpus cornutus (8 revisions)
- Pouteria campechiana (8 revisions)
- Mirabilis pudica (8 revisions)
- Baccharis dioica (8 revisions)
- Nogopterium (8 revisions)
- Bassia (8 revisions)
- Ismelia carinata (8 revisions)
- Vallisneria americana (8 revisions)
- Ribes acerifolium (8 revisions)
- Sciuro-hypnum ornellanum (8 revisions)
- Euclidium syriacum (8 revisions)
- Juncus arcticus var. mexicanus (8 revisions)
- Helenium drummondii (8 revisions)
- Heuchera (8 revisions)
- Rhynchospora capitellata (8 revisions)
- Salix rotundifolia var. dodgeana (8 revisions)
- Eurybia furcata (8 revisions)
- Eremogone macradenia var. macradenia (8 revisions)
- Eleocharis baldwinii (8 revisions)
- Solidago arguta var. harrisii (8 revisions)
- Polymnia canadensis (8 revisions)
- Erechtites hieraciifolius var. hieraciifolius (8 revisions)
- Pectis glaucescens (8 revisions)
- Euphorbia humistrata (8 revisions)
- Helianthus petiolaris subsp. petiolaris (8 revisions)
- Trematodon ambiguus (8 revisions)
- Brassicaceae tribe Thelypodieae (8 revisions)
- Hypochaeris (8 revisions)
- Rumex floridanus (8 revisions)
- Simmondsiaceae Illustrations (8 revisions)
- Fagonia pachyacantha (8 revisions)
- Asteraceae (tribe Heliantheae) subtribe Ecliptinae (8 revisions)
- Bartramiopsis lescurii (8 revisions)
- Ptychomitriaceae (8 revisions)
- Frankenia johnstonii (8 revisions)
- Ceanothus lemmonii (8 revisions)
- Spiranthes eatonii (8 revisions)
- Yucca pallida (8 revisions)
- Triteleia hyacinthina (8 revisions)
- Caperonia (8 revisions)
- Ceanothus subg. Ceanothus (8 revisions)
- Erythranthe palmeri (8 revisions)
- Draba cyclomorpha (8 revisions)
- Erigeron reductus var. reductus (8 revisions)
- Erythronium tuolumnense (8 revisions)
- Allium bolanderi var. bolanderi (8 revisions)
- Pyracantha angustifolia (8 revisions)
- Rhytidiadelphus loreus (8 revisions)
- Juncus biglumis (8 revisions)
- Linaria dalmatica subsp. dalmatica (8 revisions)
- Carex sect. Rhynchocystis (8 revisions)
- Amelanchier intermedia (8 revisions)
- Salix sect. Griseae (8 revisions)
- Chrysopsis mariana (8 revisions)
- Malaxis (8 revisions)
- Calymperes erosum (8 revisions)
- Amblyodon (8 revisions)
- Platyschkuhria integrifolia (8 revisions)
- Sphaeralcea fumariensis (8 revisions)
- Rhododendron prunifolium (8 revisions)
- Apodanthera undulata var. undulata (8 revisions)
- Kerria japonica (8 revisions)
- Veronica cusickii (8 revisions)
- Picris hieracioides (8 revisions)
- Duchesnea (8 revisions)
- Penstemon rydbergii var. rydbergii (8 revisions)
- Sarcodes sanguinea (8 revisions)
- Diplacus constrictus (8 revisions)
- Jacquinia (8 revisions)
- Amaranthus retroflexus (8 revisions)
- Senecio taraxacoides (8 revisions)
- Hypericum cumulicola (8 revisions)
- Neckera complanata (8 revisions)
- Corispermum americanum var. rydbergii (8 revisions)
- Cirsium wrightii (8 revisions)
- Syagrus romanzoffiana (8 revisions)
- Dudleya brevifolia (8 revisions)
- Stereophyllaceae (8 revisions)
- Salix chlorolepis (8 revisions)
- Ptychosperma elegans (8 revisions)
- Helenium elegans var. amphibolum (8 revisions)
- Heuchera pilosissima (8 revisions)
- Rhynchospora scirpoides (8 revisions)
- Arabidopsis lyrata subsp. kamchatica (8 revisions)
- Ericameria cuneata var. cuneata (8 revisions)
- Spergula (8 revisions)
- Eleocharis engelmannii (8 revisions)
- Solidago (sect. Solidago) ser. Brachychaeta (8 revisions)
- Rumex arcticus (8 revisions)
- Hymenopappus artemisiifolius var. riograndensis (8 revisions)
- Hasteola (8 revisions)
- Helianthus hirsutus (8 revisions)
- Distichium capillaceum (8 revisions)
- Caulanthus lemmonii (8 revisions)
- Rumex pallidus (8 revisions)
- Jamesia tetrapetala (8 revisions)
- Zinnia peruviana (8 revisions)
- Encalyptaceae (8 revisions)
- Archidium (8 revisions)
- Droseraceae (8 revisions)
- Vitis rupestris (8 revisions)
- Gazania linearis (8 revisions)
- Spiranthes praecox (8 revisions)
- Stenanthium (8 revisions)
- Milla biflora (8 revisions)
- Santalum album (8 revisions)
- Mortonia sempervirens (8 revisions)
- Nuttallanthus canadensis (8 revisions)
- Draba howellii (8 revisions)
- Erigeron breweri var. bisanctus (8 revisions)
- Erythronium propullans (8 revisions)
- Allium serra (8 revisions)
- Pyrus (8 revisions)
- Claopodium (8 revisions)
- Colocasia esculenta (8 revisions)
- Castilleja integra (8 revisions)
- Carex vaginata (8 revisions)
- Rosa multiflora (8 revisions)
- Tropaeolaceae (8 revisions)
- Eucephalus gormanii (8 revisions)
- Corallorhiza (8 revisions)
- Thelia lescurii (8 revisions)
- Pohlia cruda (8 revisions)
- Callisia fragrans (8 revisions)
- Sphaeralcea procera (8 revisions)
- Carex brunnescens subsp. sphaerostachya (8 revisions)
- Phyllodoce empetriformis (8 revisions)
- Didymodon (8 revisions)
- Antennaria friesiana subsp. neoalaskana (8 revisions)
- Hibiscus biseptus (8 revisions)
- Veronica triphyllos (8 revisions)
- Atrichoseris platyphylla (8 revisions)
- Rubus chamaemorus (8 revisions)
- Penstemon auriberbis (8 revisions)
- Penstemon whippleanus (8 revisions)
- Arbutus (8 revisions)
- Diplacus torreyi (8 revisions)
- Androsace filiformis (8 revisions)
- Amaranthus viridis (8 revisions)
- Senecio sphaerocephalus (8 revisions)
- Hypericum ascyron subsp. pyramidatum (8 revisions)
- Porotrichum (8 revisions)
- Allenrolfea (8 revisions)
- Isocoma menziesii (8 revisions)
- Wolffia globosa (8 revisions)
- Sedum cockerellii (8 revisions)
- Fabronia pusilla (8 revisions)
- Idahoa (8 revisions)
- Halophila decipiens (8 revisions)
- Ambrosia chenopodiifolia (8 revisions)
- Heuchera abramsii (8 revisions)
- Rhynchospora caduca (8 revisions)
- Turritis (8 revisions)
- Xanthisma grindelioides var. depressum (8 revisions)
- Cerastium fastigiatum (8 revisions)
- Eleocharis quinqueflora (8 revisions)
- Solidago missouriensis (8 revisions)
- Rumex dentatus (8 revisions)
- Perityle rupestris var. albiflora (8 revisions)
- Tephroseris yukonensis (8 revisions)
- Dicoria (8 revisions)
- Salix farriae (8 revisions)
- Euphorbia polycarpa var. polycarpa (8 revisions)
- Silphium terebinthinaceum var. terebinthinaceum (8 revisions)
- Encalypta rhaptocarpa (8 revisions)
- Seligeria donniana (8 revisions)
- Viola praemorsa var. praemorsa (8 revisions)
- Pseudelephantopus spicatus (8 revisions)
- Simmondsia chinensis (8 revisions)
- Hesperaloe parviflora (8 revisions)
- Rhamnus pirifolia (8 revisions)
- Argythamnia brandegeei (8 revisions)
- Manihot angustiloba (8 revisions)
- Erythranthe breviflora (8 revisions)
- Draba malpighiacea (8 revisions)
- Rigiopappus leptocladus (8 revisions)
- Fritillaria liliacea (8 revisions)
- Allium aaseae (8 revisions)
- Photinia (8 revisions)
- Leskea gracilescens (8 revisions)
- Castilleja lineata (8 revisions)
- Carex leptonervia (8 revisions)
- Rosa mollis (8 revisions)
- Limnanthes sect. Limnanthes (8 revisions)
- Pityopsis graminifolia var. tenuifolia (8 revisions)
- Corallorhiza mertensiana (8 revisions)
- Ulota drummondii (8 revisions)
- Pohlia bulbifera (8 revisions)
- Juncus megacephalus (8 revisions)
- Wissadula hernandioides (8 revisions)
- Carex exilis (8 revisions)
- Kalmia polifolia (8 revisions)
- Didymodon subandreaeoides (8 revisions)
- Pseudognaphalium pringlei (8 revisions)
- Hibiscus mutabilis (8 revisions)
- Veronica biloba (8 revisions)
- Malacothrix incana (8 revisions)
- Drymocallis ashlandica (8 revisions)
- Penstemon eriantherus var. redactus (8 revisions)
- Verbascum phlomoides (8 revisions)
- Diplacus clevelandii (8 revisions)
- Ribes roezlii var. roezlii (8 revisions)
- Senecio warnockii (8 revisions)
- Triadenum fraseri (8 revisions)
- Tripterocladium leucocladulum (8 revisions)
- Atriplex dioica (8 revisions)
- Hazardia whitneyi var. discoidea (8 revisions)
- Carex globosa (8 revisions)
- Fontinalaceae (8 revisions)
- Lepidium chalepense (8 revisions)
- Arecaceae (tribe Cocoeae) subtribe Butiinae (8 revisions)
- Hymenoxys brachyactis (8 revisions)
- Heuchera wootonii (8 revisions)
- Rhynchospora elliottii (8 revisions)
- Cardamine bellidifolia (8 revisions)
- Machaeranthera tagetina (8 revisions)
- Cerastium tomentosum (8 revisions)
- Fimbristylis caroliniana (8 revisions)
- Solidago rugosa var. rugosa (8 revisions)
- Polygonella fimbriata (8 revisions)
- Perityle aglossa (8 revisions)
- Arnoglossum diversifolium (8 revisions)
- Helianthus nuttallii subsp. nuttallii (8 revisions)
- Stanleya pinnata var. pinnata (8 revisions)
- Nekemias arborea (8 revisions)
- Sphagnum lenense (8 revisions)
- Viscum album subsp. album (8 revisions)
- Carlina (8 revisions)
- Mentzelia uintahensis (8 revisions)
- Entosthodon sonorae (8 revisions)
- Euphorbia vermiculata (8 revisions)
- Euphorbia carunculata (8 revisions)
- Mentzelia ravenii (8 revisions)
- Draba oxycarpa (8 revisions)
- Allium burlewii (8 revisions)
- Crataegus phaenopyrum (8 revisions)
- Orthotrichum (8 revisions)
- Juncus subg. Graminifolii (8 revisions)
- Carex granularis (8 revisions)
- Rosa arkansana (8 revisions)
- Limnanthes alba subsp. parishii (8 revisions)
- Maxillaria parviflora (8 revisions)
- Lilium lancifolium (8 revisions)
- Tetraplodon paradoxus (8 revisions)
- Epipterygium tozeri (8 revisions)
- Thymelaea passerina (8 revisions)
- Carex illota (8 revisions)
- Erica vagans (8 revisions)
- Spiranthes infernalis (8 revisions)
- Didymodon leskeoides (8 revisions)
- Xerochrysum (8 revisions)
- Iliamna latibracteata (8 revisions)
- Conopholis (8 revisions)
- Carduus pycnocephalus subsp. pycnocephalus (8 revisions)
- Drymocallis cuneifolia var. cuneifolia (8 revisions)
- Penstemon moffatii (8 revisions)
- Penstemon leonardii var. patricus (8 revisions)
- Potentilla bicrenata (8 revisions)
- Arctostaphylos nummularia subsp. mendocinoensis (8 revisions)
- Dodecatheon austrofrigidum (8 revisions)
- Tidestromia suffruticosa var. oblongifolia (8 revisions)
- Senecio pattersonensis (8 revisions)
- Viola bakeri (8 revisions)
- Anomodon tristis (8 revisions)
- Atriplex sect. Semibaccata (8 revisions)
- Corethrogyne filaginifolia (8 revisions)
- Carex communis var. amplisquama (8 revisions)
- Fontinalis redfearnii (8 revisions)
- Lepidium jaredii (8 revisions)
- Sparganium eurycarpum (8 revisions)
- Tetraneuris argentea (8 revisions)
- Mitella breweri (8 revisions)
- Rhynchospora fernaldii (8 revisions)
- Cardamine hirsuta (8 revisions)
- Dieteria canescens var. leucanthemifolia (8 revisions)
- Lepidium ruderale (8 revisions)
- Stellaria (8 revisions)
- Solidago canadensis var. canadensis (8 revisions)
- Fallopia (8 revisions)
- Perityle villosa (8 revisions)
- Rainiera (8 revisions)
- Thymophylla tenuiloba var. texana (8 revisions)
- Streptanthus callistus (8 revisions)
- Garryaceae (8 revisions)
- Berlandiera ×betonicifolia (8 revisions)
- Fissidens hallianus (8 revisions)
- Paysonia auriculata (8 revisions)
- Ceanothus cordulatus (8 revisions)
- Crepis (8 revisions)
- Tragia leptophylla (8 revisions)
- Agave sisalana (8 revisions)
- Funaria apiculatopilosa (8 revisions)
- Croton heptalon (8 revisions)
- Euphorbia deltoidea subsp. serpyllum (8 revisions)
- Phyllanthus tenellus (8 revisions)
- Sisyrinchium capillare (8 revisions)
- Draba ramulosa (8 revisions)
- Erigeron speciosus (8 revisions)
- Crinum asiaticum (8 revisions)
- Crataegus atrovirens (8 revisions)
- Iwatsukiella (8 revisions)
- Castilleja ornata (8 revisions)
- Carex careyana (8 revisions)
- Rosa nutkana subsp. macdougalii (8 revisions)
- Salix nigra (8 revisions)
- Heterotheca fulcrata var. fulcrata (8 revisions)
- Trillium maculatum (8 revisions)
- Lilium kelleyanum (8 revisions)
- Aulacomnium turgidum (8 revisions)
- Mnium hornum (8 revisions)
- Xyris stricta var. stricta (8 revisions)
- Cistanthe ambigua (8 revisions)
- Carex macloviana (8 revisions)
- Galearis spectabilis (8 revisions)
- Pseudocrossidium (8 revisions)
- Cirsium nuttallii (8 revisions)
- Lavatera trimestris (8 revisions)
- Orobanche fasciculata (8 revisions)
- Agoseris grandiflora var. grandiflora (8 revisions)
- Alchemilla glomerulans (8 revisions)
- Penstemon barbatus var. torreyi (8 revisions)
- Penstemon serrulatus (8 revisions)
- Potentilla rhyolitica var. rhyolitica (8 revisions)
- Arctostaphylos insularis (8 revisions)
- Callitriche pedunculosa (8 revisions)
- Primula (8 revisions)
- Senecio serra var. admirabilis (8 revisions)
- Viola charlestonensis (8 revisions)
- Ferocactus hamatacanthus var. sinuatus (8 revisions)
- Lessingia micradenia var. glabrata (8 revisions)
- Carex pensylvanica (8 revisions)
- Entodon beyrichii (8 revisions)
- Psilostrophe gnaphalodes (8 revisions)
- Jepsonia heterandra (8 revisions)
- Cladium mariscoides (8 revisions)
- Cardamine pattersonii (8 revisions)
- Brassicaceae tribe Noccaeeae (8 revisions)
- Stellaria fontinalis (8 revisions)
- Bulbostylis capillaris (8 revisions)
- Solidago rupestris (8 revisions)
- Polygonum achoreum (8 revisions)
- Perityle angustifolia (8 revisions)
- Lepidospartum (8 revisions)
- Flaveria floridana (8 revisions)
- Streptanthus glandulosus subsp. glandulosus (8 revisions)
- Euphorbia longicruris (8 revisions)
- Echinacea tennesseensis (8 revisions)
- Fissidens serratus (8 revisions)
- Physaria arctica (8 revisions)
- Vitis rotundifolia var. munsoniana (8 revisions)
- Crepis modocensis subsp. modocensis (8 revisions)
- Pedicularis bracteosa var. latifolia (8 revisions)
- Kallstroemia californica (8 revisions)
- Brickellia greenei (8 revisions)
- Agave deserti var. deserti (8 revisions)
- Disceliaceae (8 revisions)
- Cornus subg. Syncarpea (8 revisions)
- Croton pottsii var. thermophilus (8 revisions)
- Sisyrinchium miamiense (8 revisions)
- Draba spectabilis (8 revisions)
- Erigeron formosissimus var. formosissimus (8 revisions)
- Hymenocallis liriosme (8 revisions)
- Crataegus (sect. Sanguineae) ser. Altaicae (8 revisions)
- Cyrto-hypnum (8 revisions)
- Castilleja peckiana (8 revisions)
- Schoenoplectus smithii var. setosus (8 revisions)
- Cynophalla flexuosa (8 revisions)
- Heterotheca villosa var. foliosa (8 revisions)
- Orchidaceae (tribe Arethuseae) subtribe Bletiinae (8 revisions)
- Lilium canadense (8 revisions)
- Bartramia pomiformis (8 revisions)
- Plagiomnium insigne (8 revisions)
- Juncus coriaceus (8 revisions)
- Claytonia caroliniana (8 revisions)
- Carex xerantica (8 revisions)
- Chamaedaphne calyculata (8 revisions)
- Platanthera hyperborea (8 revisions)
- Hymenostylium recurvirostrum var. insigne (8 revisions)
- Logfia (8 revisions)
- Malacothamnus palmeri (8 revisions)
- Orobanche multiflora (8 revisions)
- Turnera diffusa (8 revisions)
- Aphanes occidentalis (8 revisions)
- Scrophularia macrantha (8 revisions)
- Penstemon floridus var. austinii (8 revisions)
- Arctostaphylos pilosula (8 revisions)
- Primula cuneifolia subsp. cuneifolia (8 revisions)
- Gomphrena haageana (8 revisions)
- Packera bernardina (8 revisions)
- Viola howellii (8 revisions)
- Mammillaria pottsii (8 revisions)
- Atriplex klebergorum (8 revisions)
- Ericameria nauseosa var. iridis (8 revisions)
- Carex scirpoidea subsp. convoluta (8 revisions)
- Callicladium (8 revisions)
- Potamogeton epihydrus (8 revisions)
- Eupatorium album var. album (8 revisions)
- Ribes canthariforme (8 revisions)
- Leavenworthia aurea (8 revisions)
- Salix glauca var. acutifolia (8 revisions)
- Stellaria pallida (8 revisions)
- Eriophorum viridicarinatum (8 revisions)
- Salix subg. Chamaetia (8 revisions)
- Blennosperma (8 revisions)
- Melampodium leucanthum (8 revisions)
- Streptanthus insignis subsp. lyonii (8 revisions)
- Frangula californica subsp. occidentalis (8 revisions)
- Balsamorhiza hispidula (8 revisions)
- Dicranaceae (8 revisions)
- Physaria carinata subsp. paysonii (8 revisions)
- Cornus subg. Mesomora (8 revisions)
- Crepis pleurocarpa (8 revisions)
- Pedicularis crenulata (8 revisions)
- Phyllanthus ericoides (8 revisions)
- Rudbeckia mollis (8 revisions)
- Manfreda maculosa (8 revisions)
- Schistidium confertum (8 revisions)
- Euphorbia tithymaloides subsp. smallii (8 revisions)
- Croton linearis (8 revisions)
- Sisyrinchium idahoense var. segetum (8 revisions)
- Draba weberi (8 revisions)
- Erigeron bellidiastrum var. arenarius (8 revisions)
- Hymenocallis latifolia (8 revisions)
- Crataegus sheridana (8 revisions)
- Thuidium delicatulum var. delicatulum (8 revisions)
- Castilleja rhexiifolia (8 revisions)
- Carex roanensis (8 revisions)
- Potentilla sect. Arenicolae (8 revisions)
- Polanisia uniglandulosa (8 revisions)
- Erigeron neomexicanus (8 revisions)
- Orchidaceae (tribe Orchideae) subtribe Habenariinae (8 revisions)
- Hypoxis rigida (8 revisions)
- Sorbaria kirilowii (8 revisions)
- Philonotis uncinata (8 revisions)
- Rhizomnium punctatum (8 revisions)
- Claytonia parviflora subsp. parviflora (8 revisions)
- Carex tribuloides var. sangamonensis (8 revisions)
- Crataegus rubella (8 revisions)
- Platanthera grandiflora (8 revisions)
- Tortula protobryoides (8 revisions)
- Lasthenia conjugens (8 revisions)
- Stylocline micropoides (8 revisions)
- Malvastrum aurantiacum (8 revisions)
- Bartsia (8 revisions)
- Marah guadalupensis (8 revisions)
- Poteridium annuum (8 revisions)
- Penstemon cyananthus var. cyananthus (8 revisions)
- Penstemon spectabilis var. spectabilis (8 revisions)
- Potentilla villosa (8 revisions)
- Arctostaphylos luciana (8 revisions)
- Trientalis (8 revisions)
- Viola ocellata (8 revisions)
- Atriplex cordulata (8 revisions)
- Symphyotrichum subulatum var. elongatum (8 revisions)
- Eleocharis ravenelii (8 revisions)
- Herzogiella adscendens (8 revisions)
- Nitrophila mohavensis (8 revisions)
- Juncus triglumis var. triglumis (8 revisions)
- Eupatorium leptophyllum (8 revisions)
- Carex alopecoidea (8 revisions)
- Rorippa aquatica (8 revisions)
- Pyrrocoma crocea var. crocea (8 revisions)
- Gaultheria ovatifolia (8 revisions)
- Minuartia californica (8 revisions)
- Cyperus fuscus (8 revisions)
- Boechera missouriensis (8 revisions)
- Polygonum heterosepalum (8 revisions)
- Oclemena nemoralis (8 revisions)
- Layia (8 revisions)
- Thelypodiopsis ambigua (8 revisions)
- Bahiopsis laciniata (8 revisions)
- Ceanothus ferrisiae (8 revisions)
- Wyethia arizonica (8 revisions)
- Campylopus atrovirens (8 revisions)
- Physaria douglasii subsp. douglasii (8 revisions)
- Celastrus scandens (8 revisions)
- Taraxacum (8 revisions)
- Pedicularis langsdorffii subsp. langsdorffii (8 revisions)
- Acalypha monococca (8 revisions)
- Flyriella parryi (8 revisions)
- Smilax hugeri (8 revisions)
- Schistidium maritimum (8 revisions)
- Colubrina stricta (8 revisions)
- Cirsium crassicaule (8 revisions)
- Zigadenus venenosus var. venenosus (8 revisions)
- Populus balsamifera (8 revisions)
- Erigeron versicolor (8 revisions)
- Zephyranthes rosea (8 revisions)
- Crataegus viridis var. glabriuscula (8 revisions)
- Castilleja subinclusa (8 revisions)
- Carex cherokeensis (8 revisions)
- Glossopetalon spinescens var. aridum (8 revisions)
- Cleomella angustifolia (8 revisions)
- Erigeron lassenianus (8 revisions)
- Calochortus (8 revisions)
- Maianthemum racemosum subsp. racemosum (8 revisions)
- Rubus pedatus (8 revisions)
- Brachymenium (8 revisions)
- Daltoniaceae (8 revisions)
- Hydrilla (8 revisions)
- Claytonia tuberosa (8 revisions)
- Carex bebbii (8 revisions)
- Crataegus sheila-phippsiae var. sheila-phippsiae (8 revisions)
- Piperia (8 revisions)
- Tortula systylia (8 revisions)
- Monolopia major (8 revisions)
- Psilocarphus oregonus (8 revisions)
- Meximalva filipes (8 revisions)
- Euphrasia stricta var. brevipila (8 revisions)
- Munzothamnus blairii (8 revisions)
- Muntingiaceae (8 revisions)
- Dryas incisa (8 revisions)
- Penstemon hallii (8 revisions)
- Bacopa caroliniana (8 revisions)
- Filipendula ulmaria (8 revisions)
- Arctostaphylos imbricata (8 revisions)
- Lysimachia graminea (8 revisions)
- Atriplex mucronata (8 revisions)
- Symphyotrichum patens var. patens (8 revisions)
- Carex sect. Firmiculmes (8 revisions)
- Hypnum cupressiforme var. filiforme (8 revisions)
- Dysphania multifida (8 revisions)
- Artemisia arbuscula subsp. longiloba (8 revisions)
- Phyllospadix (8 revisions)
- Eupatorium rotundifolium var. scabridum (8 revisions)
- Carex chihuahuensis (8 revisions)
- Calliergon megalophyllum (8 revisions)
- Rorippa sessiliflora (8 revisions)
- Vaccinium myrtillus (8 revisions)
- Minuartia macrocarpa (8 revisions)
- Cyperus flavescens (8 revisions)
- Boechera pinzliae (8 revisions)
- Polygonum austiniae (8 revisions)
- Layia hieracioides (8 revisions)
- Thelypodium howellii subsp. howellii (8 revisions)
- Galinsoga (8 revisions)
- Condalia globosa var. pubescens (8 revisions)
- Xanthium (8 revisions)
- Campylopus subulatus (8 revisions)
- Salix eastwoodiae (8 revisions)
- Ceanothus oliganthus (8 revisions)
- Taraxacum alaskanum (8 revisions)
- Linum imbricatum (8 revisions)
- Liatris hirsuta (8 revisions)
- Sphagnum sitchense (8 revisions)
- Euphorbia oblongata (8 revisions)
- Cirsium occidentale var. occidentale (8 revisions)
- Boechera depauperata (8 revisions)
- Conyza canadensis (8 revisions)
- Camassia quamash subsp. azurea (8 revisions)
- Geum radiatum (8 revisions)
- Castilleja wootonii (8 revisions)
- Carex luzulifolia (8 revisions)
- Oxystylis lutea (8 revisions)
- Erigeron poliospermus var. disciformis (8 revisions)
- Calochortus coxii (8 revisions)
- Echeandia chandleri (8 revisions)
- Petrophytum (8 revisions)
- Hypopterygium flavolimbatum (8 revisions)
- Juncus scirpoides (8 revisions)
- Mirabilis sect. Oxybaphus (8 revisions)
- Carex reniformis (8 revisions)
- Dactylorhiza aristata (8 revisions)
- Globulinella globifera (8 revisions)
- Voitia (8 revisions)
- Eriophyllum ambiguum var. ambiguum (8 revisions)
- Ancistrocarphus keilii (8 revisions)
- Sida (8 revisions)
- Euphrasia vinacea (8 revisions)
- Stephanomeria paniculata (8 revisions)
- Tilia americana (8 revisions)
- Cercocarpus breviflorus (8 revisions)
- Penstemon pahutensis (8 revisions)
- Gratiola lutea (8 revisions)
- Ivesia patellifera (8 revisions)
- Lysimachia vulgaris (8 revisions)
- Echinopepon coulteri (8 revisions)
- Atriplex phyllostegia (8 revisions)
- Symphyotrichum ericoides var. pansum (8 revisions)
- Carex capitata (8 revisions)
- Hypnum procerrimum (8 revisions)
- Chenopodium sect. Agathophytum (8 revisions)
- Artemisia tridentata subsp. vaseyana (8 revisions)
- Arisaema (8 revisions)
- Rudbeckia grandiflora var. grandiflora (8 revisions)
- Saxifraga rivularis subsp. arctolitoralis (8 revisions)
- Carex rosea (8 revisions)
- Sarmentypnum sarmentosum (8 revisions)
- Populus deltoides subsp. deltoides (8 revisions)
- Grindelia havardii (8 revisions)
- Vaccinium myrtilloides (8 revisions)
- Minuartia stolonifera (8 revisions)
- Boechera rollei (8 revisions)
- Tonestus graniticus (8 revisions)
- Eremogone capillaris var. capillaris (8 revisions)
- Gutierrezia serotina (8 revisions)
- Calycadenia pauciflora (8 revisions)
- Coreopsis bigelovii (8 revisions)
- Frangula rubra subsp. nevadensis (8 revisions)
- Phoebanthus grandiflorus (8 revisions)
- Dichodontium pellucidum (8 revisions)
- Physaria humilis (8 revisions)
- Eucnide (8 revisions)
- Mulgedium pulchellum (8 revisions)
- Holmgrenanthe (8 revisions)
- Liatris elegans var. kralii (8 revisions)
- Andreaea nivalis (8 revisions)
- Sphagnum sect. Cuspidata (8 revisions)
- Ceanothus gloriosus var. porrectus (8 revisions)
- Trixis californica var. californica (8 revisions)
- Dioscorea polystachya (8 revisions)
- Iris versicolor (8 revisions)
- Boechera fructicosa (8 revisions)
- Boltonia asteroides var. asteroides (8 revisions)
- Chlorogalum pomeridianum (8 revisions)
- Crataegus aestivalis (8 revisions)
- Buddleja marrubiifolia (8 revisions)
- Carex whitneyi (8 revisions)
- Hemiscola diffusa (8 revisions)
- Calochortus umpquaensis (8 revisions)
- Aletris farinosa (8 revisions)
- Holodiscus microphyllus var. sericeus (8 revisions)
- Amphidium californicum (8 revisions)
- Alisma plantago-aquatica (8 revisions)
- Misopates (8 revisions)
- Carex sect. Anomalae (8 revisions)
- Arivela (8 revisions)
- Erigeron concinnus var. concinnus (8 revisions)
- Calochortus lyallii (8 revisions)
- Hosta plantaginea (8 revisions)
- Holodiscus microphyllus var. glabrescens (8 revisions)
- Hygrohypnum luridum (8 revisions)
- Tradescantia paludosa (8 revisions)
- Montia bostockii (8 revisions)
- Carex crinita var. crinita (8 revisions)
- Crataegus (sect. Coccineae) ser. Apricae (8 revisions)
- Listera (8 revisions)
- Crossidium squamiferum (8 revisions)
- Gemmabryum gemmilucens (8 revisions)
- Eriophyllum confertiflorum (8 revisions)
- Inula (8 revisions)
- Sida rhombifolia (8 revisions)
- Striga (8 revisions)
- Pleuridium acuminatum (8 revisions)
- Krigia (8 revisions)
- Ayenia euphrasiifolia (8 revisions)
- Rosaceae subfam. Amygdaloideae (8 revisions)
- Penstemon strictiformis (8 revisions)
- Mecardonia acuminata var. microphylla (8 revisions)
- Penstemon sect. Erianthera (8 revisions)
- Stewartia ovata (8 revisions)
- Sedum sexangulare (8 revisions)
- Viola striata (8 revisions)
- Atriplex corrugata (8 revisions)
- Symphyotrichum anomalum (8 revisions)
- Eleocharis bifida (8 revisions)
- Orthothecium chryseum (8 revisions)
- Chenopodium sect. Glauca (8 revisions)
- Artemisia biennis (8 revisions)
- Najas guadalupensis subsp. guadalupensis (8 revisions)
- Stevia micrantha (8 revisions)
- Crassula colligata subsp. lamprosperma (8 revisions)
- Carex austrina (8 revisions)
- Brachythecium rutabulum (8 revisions)
- Conringia (8 revisions)
- Ambrosia cordifolia (8 revisions)
- Dudleya subg. Hasseanthus (8 revisions)
- Sagina nodosa subsp. borealis (8 revisions)
- Cyperus alopecuroides (8 revisions)
- Boechera tularensis (8 revisions)
- Chrysothamnus humilis (8 revisions)
- Persicaria hydropiperoides (8 revisions)
- Sericocarpus (8 revisions)
- Deinandra mohavensis (8 revisions)
- Coreopsis sect. Coreopsis (8 revisions)
- Ceanothus velutinus var. laevigatus (8 revisions)
- Parthenium (8 revisions)
- Dicranodontium asperulum (8 revisions)
- Salix wolfii var. idahoensis (8 revisions)
- Euphorbia falcata (8 revisions)
- Prenanthes altissima (8 revisions)
- Agalinis georgiana (8 revisions)
- Euphorbia pubentissima (8 revisions)
- Liatris pauciflora var. pauciflora (8 revisions)
- Tetrodontium (8 revisions)
- Grimmia funalis (8 revisions)
- Hesperolinon spergulinum (8 revisions)
- Cirsium eatonii var. hesperium (8 revisions)
- Trillium flexipes (8 revisions)
- Herbertia (8 revisions)
- Oreostemma elatum (8 revisions)
- Schoenolirion (8 revisions)
- Crataegus texana var. dasyphylla (8 revisions)
- Cordylanthus ramosus (8 revisions)
- Carex lacustris (8 revisions)
- Aurinia saxatilis (8 revisions)
- Pentachaeta (8 revisions)
- Calochortus argillosus (8 revisions)
- Allium canadense var. fraseri (8 revisions)
- Anacamptodon splachnoides (8 revisions)
- Potamogeton pusillus subsp. pusillus (8 revisions)
- Paulowniaceae (8 revisions)
- Carex lenticularis var. impressa (8 revisions)
- Crataegus lepida (8 revisions)
- Triphora yucatanensis (8 revisions)
- Syntrichia cainii (8 revisions)
- Imbribryum alpinum (8 revisions)
- Arnica angustifolia subsp. angustifolia (8 revisions)
- Pluchea camphorata (8 revisions)
- Sidalcea candida (8 revisions)
- Arctostaphylos manzanita subsp. manzanita (8 revisions)
- Venturiella sinensis (8 revisions)
- Lygodesmia (8 revisions)
- Melochia corchorifolia (8 revisions)
- Rosaceae tribe Amygdaleae (8 revisions)
- Penstemon aridus (8 revisions)
- Littorella (8 revisions)
- Ivesia longibracteata (8 revisions)
- Penstemon montanus var. idahoensis (8 revisions)
- Diapensia (8 revisions)
- Ribes quercetorum (8 revisions)
- Atriplex canescens var. canescens (8 revisions)
- Symphyotrichum pilosum var. pilosum (8 revisions)
- Ptilium crista-castrensis (8 revisions)
- Chenopodium murale (8 revisions)
- Rudbeckia hirta var. angustifolia (8 revisions)
- Bryophyllum delagoense (8 revisions)
- Carex sect. Physoglochin (8 revisions)
- Brachythecium salebrosum (8 revisions)
- Descurainia paradisa (8 revisions)
- Zostera marina (8 revisions)
- Chaenactis carphoclinia var. carphoclinia (8 revisions)
- Vaccinium sect. Vaccinium (8 revisions)
- Geocarpon (8 revisions)
- Polyctenium (8 revisions)
- Bistorta (8 revisions)
- Solidago sect. Solidago (8 revisions)
- Deinandra corymbosa (8 revisions)
- Gouania lupuloides (8 revisions)
- Melanthera angustifolia (8 revisions)
- Dicranum undulatum (8 revisions)
- Physaria obdeltata (8 revisions)
- Chrysobalanaceae (8 revisions)
- Howelliella ovata (8 revisions)
- Jatropha dioica var. graminea (8 revisions)
- Liatris ligulistylis (8 revisions)
- Polytrichastrum (8 revisions)
- Sphagnum atlanticum (8 revisions)
- Cistus psilosepalus (8 revisions)
- Linum australe var. australe (8 revisions)
- Gochnatia hypoleuca (8 revisions)
- Vanilla (8 revisions)
- Crocosmia ×crocosmiiflora (8 revisions)
- Ornithogalum umbellatum (8 revisions)
- Crataegus wootoniana (8 revisions)
- Cordylanthus wrightii subsp. tenuifolius (8 revisions)
- Carex atherodes (8 revisions)
- Erigeron filifolius (8 revisions)
- Calochortus concolor (8 revisions)
- Allium perdulce var. perdulce (8 revisions)
- Sorbus aucuparia (8 revisions)
- Drummondia (8 revisions)
- Ruppia cirrhosa (8 revisions)
- Carex aquatilis var. aquatilis (8 revisions)
- Crataegus attrita (8 revisions)
- Thlaspi arvense (8 revisions)
- Calopogon tuberosus var. tuberosus (8 revisions)
- Microbryum (8 revisions)
- Plagiobryoides vinosula (8 revisions)
- Arnica lanceolata subsp. lanceolata (8 revisions)
- Achillea (8 revisions)
- Sidalcea hickmanii subsp. parishii (8 revisions)
- Arctostaphylos crustacea (8 revisions)
- Scopelophila ligulata (8 revisions)
- Pinaropappus parvus (8 revisions)
- Abutilon hulseanum (8 revisions)
- Prunus virginiana var. demissa (8 revisions)
- Plantago floccosa (8 revisions)
- Ivesia argyrocoma var. argyrocoma (8 revisions)
- Penstemon baccharifolius (8 revisions)
- Penstemon cinicola (8 revisions)
- Halesia (8 revisions)
- Sedum spathulifolium var. pruinosum (8 revisions)
- Sarcocornia utahensis (8 revisions)
- Symphyotrichum lanceolatum var. hirsuticaule (8 revisions)
- Acroporium (8 revisions)
- Chenopodium incanum var. incanum (8 revisions)
- Artemisia pontica (8 revisions)
- Xyris serotina (8 revisions)
- Brickellia betonicifolia (8 revisions)
- Aeonium arboreum (8 revisions)
- Carex siccata (8 revisions)
- Donrichardsia (8 revisions)
- Tropidocarpum californicum (8 revisions)
- Stuckenia vaginata (8 revisions)
- Chaenactis cusickii (8 revisions)
- Micranthes idahoensis (8 revisions)
- Cyperus hermaphroditus (8 revisions)
- Cakile (8 revisions)
- Aconogonon davisiae var. glabrum (8 revisions)
- Solidago simplex var. ontarioensis (8 revisions)
- Hemizonia congesta subsp. tracyi (8 revisions)
- Packera glabella (8 revisions)
- Cosmos (8 revisions)
- Borrichia frutescens (8 revisions)
- Dicranum groenlandicum (8 revisions)
- Physaria pruinosa (8 revisions)
- Hieracium flagellare (8 revisions)
- Aureolaria grandiflora (8 revisions)
- Ricinus (8 revisions)
- Carphephorus bellidifolius (8 revisions)
- Polytrichastrum ohioense (8 revisions)
- Bucklandiella microcarpa (8 revisions)
- Lechea maritima var. virginica (8 revisions)
- Saussurea triangulata (8 revisions)
- Goodyera pubescens (8 revisions)
- Gladiolus dalenii (8 revisions)
- Brodiaea filifolia (8 revisions)
- Geum macrophyllum var. perincisum (8 revisions)
- Orthocarpus tenuifolius (8 revisions)
- Carex exsiccata (8 revisions)
- Athysanus (8 revisions)
- Erigeron purpuratus (8 revisions)
- Harperocallis (8 revisions)
- Allium gooddingii (8 revisions)
- Aronia melanocarpa (8 revisions)
- Phoenix reclinata (8 revisions)
- Castilleja applegatei var. applegatei (8 revisions)
- Carex albonigra (8 revisions)
- Populus grandidentata (8 revisions)
- Townsendia grandiflora (8 revisions)
- Trillium cuneatum (8 revisions)
- Chenia leptophylla (8 revisions)
- Ptychostomum nitidulum (8 revisions)
- Sidalcea malviflora subsp. purpurea (8 revisions)
- Arctostaphylos glandulosa subsp. mollis (8 revisions)
- Tuerckheimia (8 revisions)
- Alcea rosea (8 revisions)
- Prunus havardii (8 revisions)
- Plantago rugelii (8 revisions)
- Horkelia tenuiloba (8 revisions)
- Penstemon crandallii var. ramaleyi (8 revisions)
- Penstemon gairdneri var. oreganus (8 revisions)
- Sarracenia oreophila (8 revisions)
- Erythranthe caespitosa (8 revisions)
- Carex shortiana (8 revisions)
- Penthorum (8 revisions)
- Suaeda sect. Limbogermen (8 revisions)
- Symphyotrichum prenanthoides (8 revisions)
- Podostemum (8 revisions)
- Brotherella recurvans (8 revisions)
- Chenopodium berlandieri var. macrocalycium (8 revisions)
- Anthemis cotula (8 revisions)
- Echinodorus cordifolius subsp. cordifolius (8 revisions)
- Brickellia eupatorioides var. floridana (8 revisions)
- Dudleya attenuata (8 revisions)
- Homalothecium fulgescens (8 revisions)
- Erysimum inconspicuum (8 revisions)
- Hechtia texensis (8 revisions)
- Psathyrotes (8 revisions)
- Micranthes rhomboidea (8 revisions)
- Remirea (8 revisions)
- Carrichtera (8 revisions)
- Limonium arborescens (8 revisions)
- Harmonia stebbinsii (8 revisions)
- Packera neomexicana var. mutabilis (8 revisions)
- Bidens frondosa (8 revisions)
- Lagascea decipiens var. decipiens (8 revisions)
- Oncophorus virens (8 revisions)
- Physaria subumbellata (8 revisions)
- Argythamnia claryana (8 revisions)
- Hieracium schultzii (8 revisions)
- Coccoloba (8 revisions)
- Chromolaena bigelovii (8 revisions)
- Oligotrichum (8 revisions)
- Lagenaria siceraria subsp. siceraria (8 revisions)
- Mentzelia oreophila (8 revisions)
- Amberboa (8 revisions)
- Beloglottis (8 revisions)
- Nolina microcarpa (8 revisions)
- Dichelostemma capitatum subsp. pauciflorum (8 revisions)
- Crataegus cognata (8 revisions)
- Mazus (8 revisions)
- Carex lupulina (8 revisions)
- Draba argyrea (8 revisions)
- Erigeron asperugineus (8 revisions)
- Streptopus streptopoides (8 revisions)
- Allium howellii (8 revisions)
- Cotoneaster conspicuus (8 revisions)
- Conardia (8 revisions)
- Juncus falcatus var. falcatus (8 revisions)
- Castilleja chlorotica (8 revisions)
- Schoenoplectus sect. Malacogeton (8 revisions)
- Salix sect. Candidae (8 revisions)
- Townsendia smithii (8 revisions)
- Prosthechea cochleata (8 revisions)
- Luisierella barbula (8 revisions)
- Ptychostomum marratii (8 revisions)
- Bahia absinthifolia (8 revisions)
- Artemisia borealis subsp. borealis (8 revisions)
- Sidalcea setosa (8 revisions)
- Menziesia ferruginea (8 revisions)
- Tortella inclinata var. inclinata (8 revisions)
- Antennaria flagellaris (8 revisions)
- Anoda pentaschista (8 revisions)
- Prunus spinosa (8 revisions)
- Synthyris borealis (8 revisions)
- Horkelia sect. Parryae (8 revisions)
- Myoporum acuminatum (8 revisions)
- Penstemon humilis var. brevifolius (8 revisions)
- Cyrillaceae (8 revisions)
- Erythranthe percaulis (8 revisions)
- Carex viridula var. saxilittoralis (8 revisions)
- Sideroxylon lanuginosum subsp. lanuginosum (8 revisions)
- Halogeton (8 revisions)
- Symphyotrichum foliaceum var. parryi (8 revisions)
- Hypericum brachyphyllum (8 revisions)
- Cryphaea nervosa (8 revisions)
- Spinacia oleracea (8 revisions)
- Soliva anthemifolia (8 revisions)
- Cannaceae (8 revisions)
- Dudleya abramsii subsp. abramsii (8 revisions)
- Pseudoscleropodium (8 revisions)
- Juncus (8 revisions)
- Gaillardia parryi (8 revisions)
- Ribes aureum var. gracillimum (8 revisions)
- Dulichium (8 revisions)
- Erucastrum gallicum (8 revisions)
- Herrickia kingii var. barnebyana (8 revisions)
- Eremogone eastwoodiae var. eastwoodiae (8 revisions)
- Scirpus congdonii (8 revisions)
- Madia citriodora (8 revisions)
- Packera sanguisorboides (8 revisions)
- Leuciva (8 revisions)
- Simmondsia (8 revisions)
- Helianthus bolanderi (8 revisions)
- Bruchia vogesiaca (8 revisions)
- Sisymbrium erysimoides (8 revisions)
- Hieracium venosum (8 revisions)
- Rumex acetosella (8 revisions)
- Euphorbiaceae Illustrations (8 revisions)
- Euphorbia melanadenia (8 revisions)
- Ageratina jucunda (8 revisions)
- Eriogonum helichrysoides (8 revisions)
- Sphagnum steerei (8 revisions)
- Racomitrium (8 revisions)
- Crocanthemum dumosum (8 revisions)
- Argythamnia serrata (8 revisions)
- Carthamus lanatus (8 revisions)
- Sacoila lanceolata var. paludicola (8 revisions)
- Yucca brevifolia (8 revisions)
- Bloomeria (8 revisions)
- Crataegus (sect. Coccineae) ser. Intricatae (8 revisions)
- Erythranthe (8 revisions)
- Draba cana (8 revisions)
- Erigeron oxyphyllus (8 revisions)
- Erythronium grandiflorum (8 revisions)
- Allium fimbriatum var. purdyi (8 revisions)
- Cotoneaster villosulus (8 revisions)
- Juncus maritimus (8 revisions)
- Castilleja densiflora var. gracilis (8 revisions)
- Carex microchaeta subsp. microchaeta (8 revisions)
- Amelanchier alnifolia var. pumila (8 revisions)
- Salix viminalis (8 revisions)
- Chaetopappa effusa (8 revisions)
- Dendrophylax lindenii (8 revisions)
- Ephemerum crassinervium var. crassinervium (8 revisions)
- Rosulabryum bornholmense (8 revisions)
- Palafoxia reverchonii (8 revisions)
- Rhododendron maximum (8 revisions)
- Aschisma kansanum (8 revisions)
- Antennaria howellii subsp. canadensis (8 revisions)
- Callirhoë involucrata var. involucrata (8 revisions)
- Prunus murrayana (8 revisions)
- Synthyris platycarpa (8 revisions)
- Horkelia howellii (8 revisions)
- Penstemon buckleyi (8 revisions)
- Pyrola minor (8 revisions)
- Mimetanthe pilosa (8 revisions)
- Chrysophyllum (8 revisions)
- Amaranthus sect. Acnida (8 revisions)
- Ericameria nauseosa var. turbinata (8 revisions)
- Hypericum crux-andreae (8 revisions)
- Nogopterium gracile (8 revisions)
- Bassia hyssopifolia (8 revisions)
- Mauranthemum (8 revisions)
- Tradescantia subaspera (8 revisions)
- Dudleya farinosa (8 revisions)
- Sciuro-hypnum curtum (8 revisions)
- Strigosella (8 revisions)
- Juncus brachyphyllus (8 revisions)
- Helenium pinnatifidum (8 revisions)
- Heuchera glabra (8 revisions)
- Rhynchospora glomerata (8 revisions)
- Bunias (8 revisions)
- Eurybia mirabilis (8 revisions)
- Eremogone macradenia var. arcuifolia (8 revisions)
- Eleocharis (sect. Eleocharis) ser. Albidae (8 revisions)
- Baccharis salicina (8 revisions)
- Hymenopappus filifolius var. luteus (8 revisions)
- Erechtites hieraciifolius var. megalocarpus (8 revisions)
- Pectis linearifolia (8 revisions)
- Euphorbia sect. Alectoroctonum (8 revisions)
- Helianthus petiolaris subsp. fallax (8 revisions)
- Trematodon brevicollis (8 revisions)
- Caulanthus (8 revisions)
- Hypochaeris chillensis (8 revisions)
- Rumex fascicularis (8 revisions)
- Thesiaceae Illustrations (8 revisions)
- Euphorbia arizonica (8 revisions)
- Heliopsis (8 revisions)
- Eriogonum thornei (8 revisions)
- Diphysciaceae (8 revisions)
- Campylostelium (8 revisions)
- Frankenia palmeri (8 revisions)
- Colubrina asiatica var. asiatica (8 revisions)
- Centaurea stoebe subsp. micranthos (8 revisions)
- Spiranthes torta (8 revisions)
- Yucca rupicola (8 revisions)
- Triteleia ixioides (8 revisions)
- Elatine rubella (8 revisions)
- Whipplea (8 revisions)
- Erythranthe diffusa (8 revisions)
- Populus trichocarpa (8 revisions)
- Erigeron biolettii (8 revisions)
- Erythronium californicum (8 revisions)
- Allium bolanderi var. mirabile (8 revisions)
- Pyracantha atalantioides (8 revisions)
- Rhytidiadelphus japonicus (8 revisions)
- Juncus falcatus var. sitchensis (8 revisions)
- Castilleja foliolosa (8 revisions)
- Carex pendula (8 revisions)
- Amelanchier arborea (8 revisions)
- Salix sericea (8 revisions)
- Chrysopsis floridana (8 revisions)
- Malaxis spicata (8 revisions)
- Calymperes palisotii (8 revisions)
- Roellobryon roellii (8 revisions)
- Chamaechaenactis (8 revisions)
- Sphaeralcea gierischii (8 revisions)
- Carex glareosa subsp. glareosa (8 revisions)
- Micranthes nelsoniana var. carlottae (8 revisions)
- Barbula orizabensis (8 revisions)
- Antennaria rosea subsp. arida (8 revisions)
- Eremalche parryi subsp. kernensis (8 revisions)
- Coleogyne (8 revisions)
- Veronica copelandii (8 revisions)
- Tragopogon (8 revisions)
- Penstemon nitidus var. nitidus (8 revisions)
- Penstemon rydbergii var. aggregatus (8 revisions)
- Allotropa (8 revisions)
- Diplacus bicolor (8 revisions)
- Jacquinia keyensis (8 revisions)
- Amaranthus wrightii (8 revisions)
- Senecio soldanella (8 revisions)
- Hypericum majus (8 revisions)
- Orthotrichum rupestre (8 revisions)
- Corispermum welshii (8 revisions)
- Asteraceae tribe Astereae (8 revisions)
- Juncus diffusissimus (8 revisions)
- Sedella (8 revisions)
- Stereophyllum (8 revisions)
- Pennellia longifolia (8 revisions)
- Juncus canadensis (8 revisions)
- Heuchera maxima (8 revisions)
- Rhynchospora oligantha (8 revisions)
- Arabidopsis thaliana (8 revisions)
- Eurybia spinulosa (8 revisions)
- Cerastium alpinum subsp. lanatum (8 revisions)
- Eleocharis obtusa (8 revisions)
- Solidago sphacelata (8 revisions)
- Rumex nematopodus (8 revisions)
- Ericameria parryi var. monocephala (8 revisions)
- Pectis linifolia var. linifolia (8 revisions)
- Helianthus glaucophyllus (8 revisions)
- Distichium hagenii (8 revisions)
- Caulanthus major (8 revisions)
- Rumex sibiricus (8 revisions)
- Tragia laciniata (8 revisions)
- Ambrosia artemisiifolia (8 revisions)
- Bryobrittonia (8 revisions)
- Archidium alternifolium (8 revisions)
- Dionaea (8 revisions)
- Kallstroemia hirsutissima (8 revisions)
- Arctotheca (8 revisions)
- Spiranthes lucida (8 revisions)
- Yucca harrimaniae (8 revisions)
- Schoenocaulon ghiesbreghtii (8 revisions)
- Phyllanthopsis arida (8 revisions)
- Condalia hookeri (8 revisions)
- Erythranthe cardinalis (8 revisions)
- Draba incana (8 revisions)
- Erigeron breweri var. covillei (8 revisions)
- Fritillaria (8 revisions)
- Allium dichlamydeum (8 revisions)
- Sieversia (8 revisions)
- Claopodium pellucinerve (8 revisions)
- Sabal palmetto (8 revisions)
- Castilleja kaibabensis (8 revisions)
- Carex laxa (8 revisions)
- Rosa lucieae (8 revisions)
- Tropaeolum (8 revisions)
- Chrysopsis gossypina subsp. cruiseana (8 revisions)
- Corallorhiza striata (8 revisions)
- Orthotrichum stellatum (8 revisions)
- Pohlia robertsonii (8 revisions)
- Juncaginaceae (8 revisions)
- Sphaeralcea psoraloides (8 revisions)
- Carex arcta (8 revisions)
- Phyllodoce glanduliflora (8 revisions)
- Didymodon rigidulus (8 revisions)
- Antennaria alpina (8 revisions)
- Hibiscus martianus (8 revisions)
- Veronica hederifolia (8 revisions)
- Anisocoma (8 revisions)
- Fragaria chiloensis subsp. lucida (8 revisions)
- Penstemon barnebyi (8 revisions)
- Penstemon wilcoxii (8 revisions)
- Arbutus arizonica (8 revisions)
- Sairocarpus coulterianus (8 revisions)
- Androsace occidentalis (8 revisions)
- Senecio aronicoides (8 revisions)
- Cyclanthera (8 revisions)
- Porotrichum bigelovii (8 revisions)
- Allenrolfea occidentalis (8 revisions)
- Isocoma menziesii var. decumbens (8 revisions)
- Xyris tennesseensis (8 revisions)
- Meteoriaceae (8 revisions)
- Idahoa scapigera (8 revisions)
- Rudbeckia fulgida var. deamii (8 revisions)
- Heuchera brevistaminea (8 revisions)
- Rhynchospora odorata (8 revisions)
- Xanthisma gypsophilum (8 revisions)
- Cerastium fischerianum (8 revisions)
- Eleocharis bernardina (8 revisions)
- Solidago spectabilis (8 revisions)
- Arenaria ludens (8 revisions)
- Asteraceae (tribe Heliantheae) subtribe Milleriinae (8 revisions)
- Tephroseris frigida (8 revisions)
- Porophyllum ruderale var. macrocephalum (8 revisions)
- Helianthus resinosus (8 revisions)
- Hesperidanthus jaegeri (8 revisions)
- Croton californicus (8 revisions)
- Silphium compositum (8 revisions)
- Encalypta spathulata (8 revisions)
- Seligeria oelandica (8 revisions)
- Malpighia (8 revisions)
- Cyanthillium (8 revisions)
- Fagonia (8 revisions)
- Euphorbia serpillifolia subsp. hirtula (8 revisions)
- Euphorbia curtisii (8 revisions)
- Mentzelia reverchonii (8 revisions)
- Erythranthe inflatula (8 revisions)
- Draba micropetala (8 revisions)
- Erigeron lonchophyllus (8 revisions)
- Fritillaria micrantha (8 revisions)
- Allium tribracteatum (8 revisions)
- Leskea obscura (8 revisions)
- Sagittaria lancifolia subsp. lancifolia (8 revisions)
- Buddleja madagascariensis (8 revisions)
- Carex laxiflora (8 revisions)
- Rosa sect. Pimpinellifoliae (8 revisions)
- Limnanthes bakeri (8 revisions)
- Pityopsis graminifolia var. latifolia (8 revisions)
- Govenia (8 revisions)
- Ulota hutchinsiae (8 revisions)
- Meesia longiseta (8 revisions)
- Musaceae (8 revisions)
- Wissadula parvifolia (8 revisions)
- Carex sterilis (8 revisions)
- Kalmia buxifolia (8 revisions)
- Sphagnum sect. Polyclada (8 revisions)
- Pseudognaphalium viscosum (8 revisions)
- Ibervillea lindheimeri (8 revisions)
- Veronica teucrium (8 revisions)
- Malacothrix indecora (8 revisions)
- Penstemon eriantherus var. whitedii (8 revisions)
- Penstemon glandulosus var. chelanensis (8 revisions)
- Potentilla ovina var. ovina (8 revisions)
- Arctostaphylos uva-ursi (8 revisions)
- Diplacus grandiflorus (8 revisions)
- Dodecatheon conjugens var. conjugens (8 revisions)
- Senecio spartioides (8 revisions)
- Triadenum tubulosum (8 revisions)
- Leptodontaceae (8 revisions)
- Atriplex prostrata (8 revisions)
- Hazardia whitneyi var. whitneyi (8 revisions)
- Carex brainerdii (8 revisions)
- Brachelyma (8 revisions)
- Halophila johnsonii (8 revisions)
- Plateilema (8 revisions)
- Heuchera parvifolia (8 revisions)
- Rhynchospora perplexa (8 revisions)
- Cardamine blaisdellii (8 revisions)
- Baccharis angustifolia (8 revisions)
- Spergula pentandra (8 revisions)
- Fimbristylis thermalis (8 revisions)
- Solidago rugosa var. sphagnophila (8 revisions)
- Polygonella robusta (8 revisions)
- Perityle sect. Laphamia (8 revisions)
- Arnoglossum floridanum (8 revisions)
- Thymophylla setifolia var. greggii (8 revisions)
- Helianthus nuttallii subsp. rydbergii (8 revisions)
- Stanleya pinnata var. integrifolia (8 revisions)
- Elatine chilensis (8 revisions)
- Silphium asteriscus var. trifoliatum (8 revisions)
- Fissidentaceae (8 revisions)
- Ecballium elaterium (8 revisions)
- Ceanothus jepsonii var. jepsonii (8 revisions)
- Vernonia lettermannii (8 revisions)
- Rhamnus alnifolia (8 revisions)
- Amianthium (8 revisions)
- Entosthodon bolanderi (8 revisions)
- Nyssa ursina (8 revisions)
- Ceanothus roderickii (8 revisions)
- Ceanothus sanguineus (8 revisions)
- Draba palanderiana (8 revisions)
- Xerophyllum asphodeloides (8 revisions)
- Crataegus (sect. Crataegus) ser. Microcarpae (8 revisions)
- Pseudoleskea patens (8 revisions)
- Xyris montana (8 revisions)
- Castilleja minor var. minor (8 revisions)
- Rosa blanda (8 revisions)
- Limnanthes alba subsp. gracilis (8 revisions)
- Heterotheca oregona var. oregona (8 revisions)
- Maxillaria crassifolia (8 revisions)
- Lilium catesbaei (8 revisions)
- Zygodon viridissimus var. rupestris (8 revisions)
- Mniaceae (8 revisions)
- Tradescantia crassula (8 revisions)
- Coccinia (8 revisions)
- Carex integra (8 revisions)
- Erica lusitanica (8 revisions)
- Trillium pusillum var. virginianum (8 revisions)
- Didymodon maximus (8 revisions)
- Xerochrysum bracteatum (8 revisions)
- Iliamna longisepala (8 revisions)
- Conopholis americana (8 revisions)
- Malacothrix torreyi (8 revisions)
- Rubus flagellaris (8 revisions)
- Penstemon monoensis (8 revisions)
- Penstemon neotericus (8 revisions)
- Potentilla angelliae (8 revisions)
- Arctostaphylos densiflora (8 revisions)
- Sairocarpus vexillocalyculatus subsp. vexillocalyculatus (8 revisions)
- Dodecatheon utahense (8 revisions)
- Tidestromia lanuginosa (8 revisions)
- Viola beckwithii (8 revisions)
- Anomodon thraustus (8 revisions)
- Atriplex semibaccata (8 revisions)
- Lessingia (8 revisions)
- Carex novae-angliae (8 revisions)
- Fontinalis sphagnifolia (8 revisions)
- Xyris isoetifolia (8 revisions)
- Tetraneuris ivesiana (8 revisions)
- Mitella ovalis (8 revisions)
- Trichophorum clintonii (8 revisions)
- Cardamine holmgrenii (8 revisions)
- Dieteria canescens var. sessiliflora (8 revisions)
- Lepidium sativum (8 revisions)
- Stellaria alaskana (8 revisions)
- Fimbristylis puberula var. puberula (8 revisions)
- Solidago canadensis var. hargeri (8 revisions)
- Fallopia sachalinensis (8 revisions)
- Perityle tenella (8 revisions)
- Rainiera stricta (8 revisions)
- Thymophylla tenuiloba var. wrightii (8 revisions)
- Streptanthus campestris (8 revisions)
- Euphorbia platyphyllos (8 revisions)
- Berlandiera texana (8 revisions)
- Fissidens appalachensis (8 revisions)
- Paysonia densipila (8 revisions)
- Ceanothus purpureus (8 revisions)
- Crepis acuminata (8 revisions)
- Tragia nigricans (8 revisions)
- Agave neglecta (8 revisions)
- Funaria americana (8 revisions)
- Lepuropetalon spathulatum (8 revisions)
- Condalia warnockii var. warnockii (8 revisions)
- Santalaceae (8 revisions)
- Sisyrinchium dichotomum (8 revisions)
- Draba rectifructa (8 revisions)
- Ericameria (8 revisions)
- Crinum bulbispermum (8 revisions)
- Crataegus cupressocollina (8 revisions)
- Iwatsukiella leucotricha (8 revisions)
- Carex platyphylla (8 revisions)
- Rosa nutkana subsp. melina (8 revisions)
- Batis (8 revisions)
- Heterotheca fulcrata var. amplifolia (8 revisions)
- Orchidaceae subfam. Epidendroideae (8 revisions)
- Lilium parvum (8 revisions)
- Aulacomnium acuminatum (8 revisions)
- Mnium lycopodioides (8 revisions)
- Potamogeton illinoensis (8 revisions)
- Cistanthe maritima (8 revisions)
- Bolboschoenus glaucus (8 revisions)
- Lyonia ligustrina var. ligustrina (8 revisions)
- Amerorchis (8 revisions)
- Pseudocrossidium crinitum (8 revisions)
- Gamochaeta antillana (8 revisions)
- Malachra (8 revisions)
- Orobanche bulbosa (8 revisions)
- Agoseris grandiflora var. leptophylla (8 revisions)
- Alchemilla xanthochlora (8 revisions)
- Penstemon barbatus var. trichander (8 revisions)
- Verbascum lychnitis subsp. lychnitis (8 revisions)
- Potentilla rhyolitica var. chiricahuensis (8 revisions)
- Arctostaphylos glauca (8 revisions)
- Buddleja saligna (8 revisions)
- Ribes menziesii (8 revisions)
- Alternanthera ficoidea var. bettzickiana (8 revisions)
- Senecio sheldonensis (8 revisions)
- Viola clauseniana (8 revisions)
- Mammillaria (8 revisions)
- Atriplex saccaria var. saccaria (8 revisions)
- Lessingia nana (8 revisions)
- Entodon concinnus (8 revisions)
- Arecaceae (tribe Areceae) subtribe Roystoneinae (8 revisions)
- Psilostrophe tagetina (8 revisions)
- Jepsonia malvifolia (8 revisions)
- Scleria (8 revisions)
- Cardamine penduliflora (8 revisions)
- Xylorhiza cognata (8 revisions)
- Microthlaspi (8 revisions)
- Stellaria graminea (8 revisions)
- Abildgaardia (8 revisions)
- Solidago leavenworthii (8 revisions)
- Perityle staurophylla (8 revisions)
- Lepidospartum latisquamum (8 revisions)
- Flaveria linearis (8 revisions)
- Streptanthus glandulosus subsp. albidus (8 revisions)
- Mentzelia tiehmii (8 revisions)
- Balsamorhiza (8 revisions)
- Sphagnum majus subsp. majus (8 revisions)
- Cornus sericea (8 revisions)
- Echinops (8 revisions)
- Pedicularis bracteosa var. pachyrhiza (8 revisions)
- Linum sect. Linum (8 revisions)
- Brickellia hinckleyi (8 revisions)
- Trillium subg. Trillium (8 revisions)
- Discelium (8 revisions)
- Vitis cinerea var. floridana (8 revisions)
- Karwinskia humboldtiana (8 revisions)
- Sisyrinchium biforme (8 revisions)
- Draba sphaerocarpa (8 revisions)
- Erigeron formosissimus var. viscidus (8 revisions)
- Veratrum fimbriatum (8 revisions)
- Crataegus wattiana (8 revisions)
- Orthotrichum anodon (8 revisions)
- Castilleja peirsonii (8 revisions)
- Carex flaccosperma (8 revisions)
- Potentilla anserina subsp. anserina (8 revisions)
- Quadrella (8 revisions)
- Heterotheca villosa var. depressa (8 revisions)
- Orchidaceae (tribe Cymbidieae) subtribe Corallorhizinae (8 revisions)
- Lilium grayi (8 revisions)
- Tetraplodon mnioides (8 revisions)
- Plagiomnium medium (8 revisions)
- Sparganium emersum (8 revisions)
- Claytonia cordifolia (8 revisions)
- Carex specifica (8 revisions)
- Leucothoë (8 revisions)
- Platanthera convallariifolia (8 revisions)
- Triquetrella (8 revisions)
- Lasthenia sect. Burrielia (8 revisions)
- Logfia arvensis (8 revisions)
- Malva (8 revisions)
- Angelonia gardneri (8 revisions)
- Turnera diffusa var. diffusa (8 revisions)
- Rosaceae tribe Agrimonieae (8 revisions)
- Penstemon parryi (8 revisions)
- Potentilla hyparctica subsp. hyparctica (8 revisions)
- Ribes curvatum (8 revisions)
- Primula cuneifolia subsp. saxifragifolia (8 revisions)
- Iresine (8 revisions)
- Viola japonica (8 revisions)
- Atriplex subsect. Truncatae (8 revisions)
- Psilactis tenuis (8 revisions)
- Carex scirpoidea subsp. pseudoscirpoidea (8 revisions)
- Livistona rotundifolia (8 revisions)
- Eupatorium album var. subvenosum (8 revisions)
- Boykinia (8 revisions)
- Scleria pauciflora var. pauciflora (8 revisions)
- Leavenworthia stylosa (8 revisions)
- Oönopsis wardii (8 revisions)
- Dimorphocarpa pinnatifida (8 revisions)
- Stellaria palustris (8 revisions)
- Cyperus onerosus (8 revisions)
- Boechera horizontalis (8 revisions)
- Solidago rigida subsp. rigida (8 revisions)
- Polygonum aviculare subsp. aviculare (8 revisions)
- Blennosperma bakeri (8 revisions)
- Asteraceae (tribe Heliantheae) subtribe Madiinae (8 revisions)
- Streptanthus longisiliquus (8 revisions)
- Acalypha radians (8 revisions)
- Balsamorhiza hookeri (8 revisions)
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