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- Leptochloa panicea subsp. brachiata (10 revisions)
- Microstegium vimineum (10 revisions)
- Redfieldia flexuosa (10 revisions)
- Panicum gymnocarpon (10 revisions)
- Poa keckii (10 revisions)
- Lauraceae (10 revisions)
- Eremopyrum triticeum (10 revisions)
- Festuca rubra subsp. pruinosa (10 revisions)
- Melica porteri var. porteri (10 revisions)
- Penstemon lentus (10 revisions)
- Penstemon rattanii (10 revisions)
- Echinochloa polystachya (10 revisions)
- Aira caryophyllea var. caryophyllea (10 revisions)
- Atriplex argentea (10 revisions)
- Sedum lanceolatum (10 revisions)
- Tragus racemosus (10 revisions)
- Echinacea paradoxa (10 revisions)
- Chrysopogon pauciflorus (10 revisions)
- Sporobolus junceus (10 revisions)
- Urochloa reptans (10 revisions)
- Betula nana subsp. exilis (10 revisions)
- Poa stenantha var. stenantha (10 revisions)
- Cirsium scariosum (10 revisions)
- Aegilops crassa (10 revisions)
- Festuca trachyphylla (10 revisions)
- Bambusa bambos (10 revisions)
- Eutrochium maculatum (10 revisions)
- Pyrrocoma uniflora (10 revisions)
- Echinochloa esculenta (10 revisions)
- Deschampsia (10 revisions)
- Delphinium nuttallii subsp. ochroleucum (10 revisions)
- Lyonia ligustrina (10 revisions)
- Potentilla sect. Pensylvanicae (10 revisions)
- Poaceae tribe Orcuttieae (10 revisions)
- Bothriochloa springfieldii (10 revisions)
- Calamovilfa longifolia (10 revisions)
- Festuca groenlandica (10 revisions)
- Achnatherum thurberianum (10 revisions)
- Eragrostis cylindriflora (10 revisions)
- Agrostis castellana (10 revisions)
- Potentilla anserina (10 revisions)
- Erigeron philadelphicus (10 revisions)
- Polygonella polygama (10 revisions)
- Ivesia arizonica (10 revisions)
- Cortaderia selloana (10 revisions)
- Andropogon hallii (10 revisions)
- Erioneuron nealleyi (10 revisions)
- Carex microchaeta (10 revisions)
- Andropogon sect. Leptopogon (10 revisions)
- Eriochloa acuminata var. acuminata (10 revisions)
- Leucopoa kingii (10 revisions)
- Achnatherum eminens (10 revisions)
- ×elyhordeum dakotense (10 revisions)
- Stevia plummerae (10 revisions)
- Dichanthelium sect. Lanuginosa (10 revisions)
- Agrostis pallens (10 revisions)
- Condalia globosa (10 revisions)
- Heterotheca subaxillaris (10 revisions)
- Noccaea fendleri (10 revisions)
- Eragrostis secundiflora (10 revisions)
- Muhlenbergia spiciformis (10 revisions)
- Pennisetum villosum (10 revisions)
- Vulpia microstachys var. microstachys (10 revisions)
- Ptilagrostis (10 revisions)
- Leersia lenticularis (10 revisions)
- Dichanthelium ovale subsp. praecocius (10 revisions)
- Polypogon elongatus (10 revisions)
- Erigeron glacialis (10 revisions)
- Thelypteris palustris var. pubescens (10 revisions)
- Solidago velutina (10 revisions)
- Tripogon spicatus (10 revisions)
- Cymbopogon citratus (10 revisions)
- Muhlenbergia torreyana (10 revisions)
- Liatris elegans (10 revisions)
- Cenchrus myosuroides (10 revisions)
- Eleocharis microcarpa (10 revisions)
- Puccinellia rupestris (10 revisions)
- Macrochloa tenacissima (10 revisions)
- Elymus glaucus subsp. mackenziei (10 revisions)
- Carex microglochin (10 revisions)
- Dichanthelium nudicaule (10 revisions)
- Glyceria septentrionalis (10 revisions)
- Phyllanthus caroliniensis (10 revisions)
- Ribes sanguineum (10 revisions)
- Schizachyrium sanguineum var. sanguineum (10 revisions)
- Muhlenbergia sericea (10 revisions)
- Setaria chapmanii (10 revisions)
- Carduus acanthoides (10 revisions)
- Pectis linifolia (10 revisions)
- Puccinellia distans (10 revisions)
- Piptochaetium pringlei (10 revisions)
- Elymus elymoides subsp. elymoides (10 revisions)
- Calamagrostis scopulorum (10 revisions)
- Desmazeria sicula (10 revisions)
- Coryphantha sneedii (10 revisions)
- Cylindropuntia californica (10 revisions)
- Artemisia norvegica (10 revisions)
- Elionurus barbiculmis (10 revisions)
- Muhlenbergia eludens (10 revisions)
- Setaria rariflora (10 revisions)
- Porophyllum ruderale (10 revisions)
- Lamarckia (10 revisions)
- Poaceae tribe Olyreae (10 revisions)
- Elymus lanceolatus subsp. psammophilus (10 revisions)
- Calamagrostis canadensis (10 revisions)
- Penstemon glaber (10 revisions)
- Dichanthelium strigosum subsp. strigosum (10 revisions)
- Glyceria acutiflora (10 revisions)
- Physaria gracilis (10 revisions)
- Symphyotrichum puniceum (10 revisions)
- Hackelochloa (10 revisions)
- Chloris virgata (10 revisions)
- Carphephorus odoratissimus (10 revisions)
- Setaria parviflora (10 revisions)
- Thymophylla setifolia (10 revisions)
- Poa autumnalis (10 revisions)
- Austrostipa elegantissima (10 revisions)
- Elymus semicostatus (10 revisions)
- Avena fatua (10 revisions)
- Panicum philadelphicum (10 revisions)
- Amphibromus (10 revisions)
- Quercus sect. Quercus (10 revisions)
- Horkelia daucifolia (10 revisions)
- Baccharis pilularis (10 revisions)
- Eragrostis atrovirens (10 revisions)
- Eustachys petraea (10 revisions)
- Axonopus furcatus (10 revisions)
- Poa sect. Poa (10 revisions)
- Bromus sitchensis (10 revisions)
- ×elyleymus mossii (10 revisions)
- Spiraea tomentosa (10 revisions)
- Trisetum canescens (10 revisions)
- Panicum ghiesbreghtii (10 revisions)
- Aristida purpurea var. fendleriana (10 revisions)
- Sagina decumbens (10 revisions)
- Eremogone congesta (10 revisions)
- Melochia tomentosa (10 revisions)
- Linaria genistifolia (10 revisions)
- Eleusine coracana subsp. coracana (10 revisions)
- Schedonnardus (10 revisions)
- Ageratina altissima (10 revisions)
- Paspalum blodgettii (10 revisions)
- Poa sect. Homalopoa (10 revisions)
- Euphorbia ocellata (10 revisions)
- Polypodium sibiricum (10 revisions)
- Bromus latiglumis (10 revisions)
- Leymus mollis subsp. mollis (10 revisions)
- Mibora minima (10 revisions)
- Panicum amarum subsp. amarulum (10 revisions)
- Aristida purpurascens var. purpurascens (10 revisions)
- Crataegus ×sicca nothovar. glabrifolia (10 revisions)
- Phryma leptostachya (10 revisions)
- Sporobolus virginicus (10 revisions)
- Cynodon dactylon var. dactylon (10 revisions)
- Paspalum intermedium (10 revisions)
- Crepis occidentalis (10 revisions)
- Poa arnowiae (10 revisions)
- Ranunculus acris (10 revisions)
- Bromus erectus (10 revisions)
- Leymus salina subsp. mojavensis (10 revisions)
- Phalaris aquatica (10 revisions)
- Panicum anceps subsp. rhizomatum (10 revisions)
- Dieteria bigelovii (10 revisions)
- Thysanolaena (10 revisions)
- Betula neoalaskana (10 revisions)
- Osmunda claytoniana (10 revisions)
- Arundo donax (10 revisions)
- Carex luzulina (10 revisions)
- Paspalum setaceum var. villosissimum (10 revisions)
- Poa fendleriana subsp. albescens (10 revisions)
- Crataegus mollis (10 revisions)
- Ehrharta erecta (10 revisions)
- Zizania palustris var. palustris (10 revisions)
- Limnodea arkansana (10 revisions)
- Penstemon crandallii (10 revisions)
- Digitaria filiformis var. filiformis (10 revisions)
- Vitis rotundifolia (10 revisions)
- Senecio flaccidus (10 revisions)
- Helianthus pauciflorus (10 revisions)
- Allolepis (10 revisions)
- Bouteloua chondrosoides (10 revisions)
- Spodiopogon (10 revisions)
- Poa sect. Dioicopoa (10 revisions)
- Cirsium inamoenum (10 revisions)
- Bromus caroli-henrici (10 revisions)
- Alopecurus aequalis var. aequalis (10 revisions)
- Lagotis glauca (10 revisions)
- Digitaria simpsonii (10 revisions)
- Poa arida (10 revisions)
- Rosa lucieae (10 revisions)
- Erigeron uncialis (10 revisions)
- Bouteloua barbata (10 revisions)
- Saccharum bengalense (10 revisions)
- Poa glauca (10 revisions)
- Hordeum jubatum subsp. intermedium (10 revisions)
- Festuca ligulata (10 revisions)
- Poa secunda (10 revisions)
- Anthenantia (10 revisions)
- Torreyochloa pallida var. fernaldii (10 revisions)
- Aegopogon (10 revisions)
- Trachypogon (10 revisions)
- Triplasis (10 revisions)
- Panicum sect. Monticola (10 revisions)
- Poa suksdorfii (10 revisions)
- Eremopyrum bonaepartis (10 revisions)
- Luziola (10 revisions)
- Melica montezumae (10 revisions)
- Ribes oxyacanthoides (10 revisions)
- Androsace elongata (10 revisions)
- Diplacus bigelovii (10 revisions)
- Echinochloa pyramidalis (10 revisions)
- Aira caryophyllea var. cupaniana (10 revisions)
- Osmunda cinnamomea (10 revisions)
- Zoysia (10 revisions)
- Chrysopogon fulvus (10 revisions)
- Sporobolus purpurascens (10 revisions)
- Urochloa texana (10 revisions)
- Poa stenantha var. vivipara (10 revisions)
- Festuca auriculata (10 revisions)
- Pleuropogon sabinei (10 revisions)
- Echinochloa oryzoides (10 revisions)
- Deschampsia cespitosa (10 revisions)
- Solidago ulmifolia (10 revisions)
- Orcuttia (10 revisions)
- Eragrostis erosa (10 revisions)
- Calamovilfa longifolia var. longifolia (10 revisions)
- Brickellia longifolia (10 revisions)
- Urochloa ciliatissima (10 revisions)
- Festuca minutiflora (10 revisions)
- Achnatherum coronatum (10 revisions)
- Penstemon eriantherus (10 revisions)
- Dichanthelium commutatum subsp. commutatum (10 revisions)
- Agrostis gigantea (10 revisions)
- Beta vulgaris (10 revisions)
- Moenchia erecta (10 revisions)
- Drymaria leptophylla (10 revisions)
- Eucephalus ledophyllus (10 revisions)
- Cercocarpus ledifolius (10 revisions)
- Lepidium virginicum (10 revisions)
- Solidago odora (10 revisions)
- Macrothelypteris torresiana (10 revisions)
- Leptochloa viscida (10 revisions)
- Danthonia (10 revisions)
- Andropogon gracilis (10 revisions)
- Muhlenbergia tenuiflora (10 revisions)
- Eriochloa acuminata var. minor (10 revisions)
- Saussurea amara (10 revisions)
- Schedonorus (10 revisions)
- Malus fusca (10 revisions)
- Achnatherum richardsonii (10 revisions)
- Penstemon leonardii (10 revisions)
- Agrostis hallii (10 revisions)
- Condalia warnockii (10 revisions)
- Spergularia macrotheca (10 revisions)
- Rytidosperma penicillatum (10 revisions)
- Andropogon virginicus var. decipiens (10 revisions)
- Muhlenbergia porteri (10 revisions)
- Ceanothus cuneatus (10 revisions)
- Vulpia microstachys var. pauciflora (10 revisions)
- Ptilagrostis kingii (10 revisions)
- Elymus virginicus var. intermedius (10 revisions)
- Orobanche uniflora (10 revisions)
- Carex viridula (10 revisions)
- Primula cuneifolia (10 revisions)
- Dichanthelium ovale subsp. pseudopubescens (10 revisions)
- Polypogon fugax (10 revisions)
- Stellaria longipes (10 revisions)
- Physaria argyraea (10 revisions)
- Aristida ternipes (10 revisions)
- Schizachyrium (10 revisions)
- Muhlenbergia asperifolia (10 revisions)
- Eragrostis tef (10 revisions)
- Puccinellia fasciculata (10 revisions)
- Celtica (10 revisions)
- Elymus glaucus subsp. virescens (10 revisions)
- Dichanthelium sect. Ensifolia (10 revisions)
- Phleum subulatum (10 revisions)
- Heterotheca villosa (10 revisions)
- Blepharidachne (10 revisions)
- Setaria subg. Reverchoniae (10 revisions)
- Hymenopappus scabiosaeus (10 revisions)
- Poaceae tribe Nardeae (10 revisions)
- Piptochaetium avenaceum (10 revisions)
- Leersia oryzoides (10 revisions)
- Calamagrostis muiriana (10 revisions)
- Dichanthelium portoricense subsp. patulum (10 revisions)
- Ventenata (10 revisions)
- Mirabilis jalapa (10 revisions)
- Symphyotrichum ontarionis (10 revisions)
- Elionurus tripsacoides (10 revisions)
- Muhlenbergia fragilis (10 revisions)
- Eragrostis echinochloidea (10 revisions)
- Lamarckia aurea (10 revisions)
- Nassella cernua (10 revisions)
- Elymus lanceolatus subsp. riparius (10 revisions)
- Calamagrostis canadensis var. canadensis (10 revisions)
- Dichanthelium sect. Linearifolia (10 revisions)
- Podagrostis (10 revisions)
- Arctanthemum arcticum (10 revisions)
- Tripsacum (10 revisions)
- Munroa (10 revisions)
- Polanisia dodecandra (10 revisions)
- Setaria sphacelata (10 revisions)
- Carex haydeniana (10 revisions)
- Poa wolfii (10 revisions)
- Croton alabamensis (10 revisions)
- Austrostipa ramosissima (10 revisions)
- Chaenorhinum minus (10 revisions)
- Avena hybrida (10 revisions)
- Ribes inerme (10 revisions)
- Panicum philadelphicum subsp. gattingeri (10 revisions)
- Betula cordifolia (10 revisions)
- Salsola kali (10 revisions)
- Amphipappus fremontii (10 revisions)
- Castilleja applegatei (10 revisions)
- Coix (10 revisions)
- Eustachys floridana (10 revisions)
- Eragrostis spectabilis (10 revisions)
- Asteraceae tribe Cichorieae (10 revisions)
- Poa pratensis (10 revisions)
- Cryptogramma stelleri (10 revisions)
- Bromus arizonicus (10 revisions)
- ×elyleymus ontariensis (10 revisions)
- Melica torreyana (10 revisions)
- Eragrostis lutescens (10 revisions)
- Aristida purpurea var. longiseta (10 revisions)
- Erigeron pumilus (10 revisions)
- Eleusine tristachya (10 revisions)
- Schedonnardus paniculatus (10 revisions)
- Paspalum paniculatum (10 revisions)
- Poa bolanderi (10 revisions)
- Bromus laevipes (10 revisions)
- Zizania aquatica var. brevis (10 revisions)
- Panicum amarum subsp. amarum (10 revisions)
- Sedum spathulifolium (10 revisions)
- Aristida purpurascens var. tenuispica (10 revisions)
- Oreostemma alpigenum (10 revisions)
- Aconogonon alaskanum (10 revisions)
- Potentilla effusa (10 revisions)
- Equisetum palustre (10 revisions)
- Sporobolus compositus (10 revisions)
- Packera eurycephala (10 revisions)
- Eragrostis spicata (10 revisions)
- Carex tenera (10 revisions)
- Poa cuspidata (10 revisions)
- Bromus suksdorfii (10 revisions)
- Leymus salina subsp. salina (10 revisions)
- Phalaris brachystachys (10 revisions)
- Tetraneuris linearifolia (10 revisions)
- Eragrostis pilosa var. perplexa (10 revisions)
- Thysanolaena latifolia (10 revisions)
- Luzula multiflora subsp. kobayasii (10 revisions)
- Corispermum ochotense (10 revisions)
- Lechea pulchella (10 revisions)
- Muhlenbergia glabrifloris (10 revisions)
- Spartina patens (10 revisions)
- Paspalum laxum (10 revisions)
- Eriogonum microtheca var. laxiflorum (10 revisions)
- Poa fendleriana subsp. fendleriana (10 revisions)
- Bromus rubens (10 revisions)
- Thinopyrum (10 revisions)
- Ammophila (10 revisions)
- Digitaria filiformis var. laeviglumis (10 revisions)
- Cirsium pumilum (10 revisions)
- Allolepis texana (10 revisions)
- Bouteloua rigidiseta (10 revisions)
- Spodiopogon sibiricus (10 revisions)
- Poa arachnifera (10 revisions)
- Galinsoga parviflora (10 revisions)
- Bromus lanceolatus (10 revisions)
- Festuca paradoxa (10 revisions)
- Alopecurus aequalis var. sonomensis (10 revisions)
- Xylorhiza tortifolia (10 revisions)
- Digitaria texana (10 revisions)
- Poa ×limosa (10 revisions)
- Eremogone hookeri (10 revisions)
- Alchemilla filicaulis (10 revisions)
- Bouteloua barbata var. barbata (10 revisions)
- Miscanthus (10 revisions)
- Oryza (10 revisions)
- Festuca thurberi (10 revisions)
- Poa unilateralis (10 revisions)
- Anthenantia rufa (10 revisions)
- Torreyochloa pallida var. pallida (10 revisions)
- Croton michauxii (10 revisions)
- Rubus idaeus (10 revisions)
- Castilleja minor (10 revisions)
- Aegopogon tenellus (10 revisions)
- Trachypogon secundus (10 revisions)
- Triplasis americana (10 revisions)
- Panicum trichoides (10 revisions)
- Poa sect. Secundae (10 revisions)
- Crataegus pruinosa (10 revisions)
- Eremopyrum orientale (10 revisions)
- Festuca rubra subsp. rubra (10 revisions)
- Melica mutica (10 revisions)
- Veronica wormskjoldii (10 revisions)
- Rudbeckia grandiflora (10 revisions)
- Pyrrocoma lanceolata (10 revisions)
- Echinochloa paludigena (10 revisions)
- Populus deltoides (10 revisions)
- Aira praecox (10 revisions)
- Rosa woodsii (10 revisions)
- Citrullus lanatus (10 revisions)
- Viola canadensis (10 revisions)
- Zoysia pacifica (10 revisions)
- Chrysopogon aciculatus (10 revisions)
- Sporobolus interruptus (10 revisions)
- Urochloa arizonica (10 revisions)
- Poa napensis (10 revisions)
- Equisetum scirpoides (10 revisions)
- Oryza punctata (10 revisions)
- Festuca lenensis (10 revisions)
- Poaceae tribe Stipeae (10 revisions)
- Dodecatheon conjugens (10 revisions)
- Salix brachycarpa (10 revisions)
- Echinochloa oryzicola (10 revisions)
- Juncus stygius (10 revisions)
- Rosa acicularis (10 revisions)
- Cerastium nutans (10 revisions)
- Chrysopsis gossypina (10 revisions)
- Dryas ajanensis (10 revisions)
- Orcuttia californica (10 revisions)
- Bothriochloa hybrida (10 revisions)
- Calamovilfa longifolia var. magna (10 revisions)
- Ranunculus repens (10 revisions)
- Festuca frederikseniae (10 revisions)
- Achnatherum parishii (10 revisions)
- Lepidium lasiocarpum (10 revisions)
- Dichanthelium commutatum subsp. equilaterale (10 revisions)
- Tiarella trifoliata (10 revisions)
- Pedicularis semibarbata (10 revisions)
- Pityopsis graminifolia (10 revisions)
- Danthonia decumbens (10 revisions)
- Andropogon ternarius (10 revisions)
- Muhlenbergia sylvatica (10 revisions)
- Eragrostis barrelieri (10 revisions)
- Euphorbia chaetocalyx (10 revisions)
- Schedonorus pratensis (10 revisions)
- Achnatherum curvifolium (10 revisions)
- Linum berlandieri (10 revisions)
- Eleocharis mamillata (10 revisions)
- Dichanthelium acuminatum subsp. acuminatum (10 revisions)
- Agrostis hooveri (10 revisions)
- Potentilla supina (10 revisions)
- Streptanthus cordatus (10 revisions)
- Ivesia lycopodioides (10 revisions)
- Artemisia tridentata (10 revisions)
- Rytidosperma biannulare (10 revisions)
- Andropogon virginicus var. glaucus (10 revisions)
- Muhlenbergia cuspidata (10 revisions)
- Liatris squarrosa (10 revisions)
- Pennisetum setigerum (10 revisions)
- Brachyelytrum (10 revisions)
- Ptilagrostis porteri (10 revisions)
- Elymus virginicus var. jejunus (10 revisions)
- Penstemon barbatus (10 revisions)
- Dichanthelium ovale subsp. villosissimum (10 revisions)
- Polypogon australis (10 revisions)
- Atriplex gardneri (10 revisions)
- Urtica urens (10 revisions)
- Crataegus chrysocarpa (10 revisions)
- Ivesia kingii (10 revisions)
- Viola purpurea (10 revisions)
- Aristida ternipes var. gentilis (10 revisions)
- Petasites frigidus (10 revisions)
- Schizachyrium spadiceum (10 revisions)
- Muhlenbergia arenacea (10 revisions)
- Cenchrus biflorus (10 revisions)
- Leontodon saxatilis (10 revisions)
- Elymus hirsutus (10 revisions)
- Penstemon floridus (10 revisions)
- Dichanthelium ensifolium (10 revisions)
- Phleum arenarium (10 revisions)
- Juncus triglumis (10 revisions)
- Saxifraga flagellaris (10 revisions)
- Artemisia laciniata (10 revisions)
- Arthraxon (10 revisions)
- Muhlenbergia reverchonii (10 revisions)
- Setaria reverchonii (10 revisions)
- Puccinellia howellii (10 revisions)
- Crataegus okanaganensis (10 revisions)
- Piptochaetium avenacioides (10 revisions)
- Elymus elymoides subsp. hordeoides (10 revisions)
- Calamagrostis breweri (10 revisions)
- Dichanthelium portoricense subsp. portoricense (10 revisions)
- Ventenata dubia (10 revisions)
- Carex communis (10 revisions)
- Eragrostis sessilispica (10 revisions)
- Muhlenbergia ramulosa (10 revisions)
- Setaria grisebachii (10 revisions)
- Beckmannia (10 revisions)
- Nassella tenuissima (10 revisions)
- Elymus stebbinsii (10 revisions)
- Euphrasia stricta (10 revisions)
- Calamagrostis canadensis var. langsdorffii (10 revisions)
- Dichanthelium wilcoxianum (10 revisions)
- Castilleja (10 revisions)
- Tripsacum sect. Fasciculata (10 revisions)
- Chloris gayana (10 revisions)
- Setaria pumila (10 revisions)
- Poa sect. Arenariae (10 revisions)
- Poaceae tribe Brachypodieae (10 revisions)
- Elymus ×cayouetteorum (10 revisions)
- Avena occidentalis (10 revisions)
- Panicum philadelphicum subsp. lithophilum (10 revisions)
- Juncus validus (10 revisions)
- Honckenya peploides (10 revisions)
- Erigeron poliospermus (10 revisions)
- Coix lacryma-jobi (10 revisions)
- Eustachys neglecta (10 revisions)
- Axonopus scoparius (10 revisions)
- Thymophylla aurea (10 revisions)
- Betula minor (10 revisions)
- Bromus aleutensis (10 revisions)
- ×elyleymus uclueletensis (10 revisions)
- Trisetum cernuum (10 revisions)
- Mecardonia acuminata (10 revisions)
- Hymenoxys ambigens (10 revisions)
- Panicum hallii (10 revisions)
- Sedum laxum (10 revisions)
- Aristida purpurea var. nealleyi (10 revisions)
- Ranunculus abortivus (10 revisions)
- Boltonia asteroides (10 revisions)
- Cassiope tetragona (10 revisions)
- Fragaria vesca (10 revisions)
- Hakonechloa (10 revisions)
- Gymnopogon (10 revisions)
- Paspalum fimbriatum (10 revisions)
- Poaceae tribe Meliceae (10 revisions)
- Bromus kalmii (10 revisions)
- Leymus mollis subsp. villosissimus (10 revisions)
- Anthoxanthum aristatum (10 revisions)
- Panicum virgatum (10 revisions)
- Aristida purpurascens var. virgata (10 revisions)
- Cakile maritima (10 revisions)
- Physaria ovalifolia (10 revisions)
- Sporobolus compositus var. compositus (10 revisions)
- Cynodon aethiopicus (10 revisions)
- Paspalum coryphaeum (10 revisions)
- Poa nervosa (10 revisions)
- Bromus mucroglumis (10 revisions)
- Leymus salina subsp. salmonis (10 revisions)
- Melica bulbosa (10 revisions)
- Panicum sect. Tenera (10 revisions)
- Poaceae subfam. Panicoideae (10 revisions)
- Lagenaria siceraria (10 revisions)
- Cupressaceae (10 revisions)
- Poaceae subfam. Chloridoideae (10 revisions)
- Paspalum caespitosum (10 revisions)
- Eriogonum microtheca var. simpsonii (10 revisions)
- Poa fendleriana subsp. longiligula (10 revisions)
- Thinopyrum intermedium (10 revisions)
- Ammophila breviligulata (10 revisions)
- Sideroxylon lanuginosum (10 revisions)
- Digitaria filiformis var. villosa (10 revisions)
- Eleocharis compressa (10 revisions)
- Monanthochloë (10 revisions)
- Bouteloua repens (10 revisions)
- Schoenoplectus erectus (10 revisions)
- Poaceae tribe Arundineae (10 revisions)
- Poa sect. Pandemos (10 revisions)
- Bromus scoparius (10 revisions)
- Festuca subg. Subulatae (10 revisions)
- Sorbus (10 revisions)
- Alopecurus rendlei (10 revisions)
- Digitaria didactyla (10 revisions)
- Poa ×gaspensis (10 revisions)
- Callirhoë involucrata (10 revisions)
- Bouteloua barbata var. rothrockii (10 revisions)
- Miscanthus floridulus (10 revisions)
- Centromadia pungens (10 revisions)
- Poa glauca var. pekulnejensis (10 revisions)
- Cirsium arizonicum (10 revisions)
- Hordeum jubatum subsp. jubatum (10 revisions)
- Festuca californica (10 revisions)
- Arctagrostis latifolia (10 revisions)
- Torreyochloa pallida var. pauciflora (10 revisions)
- Echinodorus cordifolius (10 revisions)
- Senecio serra (10 revisions)
- Solidago patula (10 revisions)
- Hilaria (10 revisions)
- Sorghum (10 revisions)
- Triplasis purpurea (10 revisions)
- Carex divulsa (10 revisions)
- Panicum bisulcatum (10 revisions)
- Poa subsect. Secundae (10 revisions)
- Eremopyrum (10 revisions)
- Festuca rubra subsp. secunda (10 revisions)
- Melica nitens (10 revisions)
- Penstemon rydbergii (10 revisions)
- Eragrostis hypnoides (10 revisions)
- Coleanthus (10 revisions)
- Castilleja pallescens (10 revisions)
- Zoysia japonica (10 revisions)
- Chrysopogon zizanioides (10 revisions)
- Sporobolus heterolepis (10 revisions)
- Carex norvegica (10 revisions)
- Urochloa fusca (10 revisions)
- Glyceria obtusa (10 revisions)
- Aegilops triuncialis (10 revisions)
- Festuca brevissima (10 revisions)
- Ampelodesmos (10 revisions)
- Sacciolepis (10 revisions)
- Deschampsia cespitosa subsp. cespitosa (10 revisions)
- Pedicularis palustris (10 revisions)
- Orcuttia inaequalis (10 revisions)
- Bothriochloa edwardsiana (10 revisions)
- Calamovilfa curtissii (10 revisions)
- Eriochloa (10 revisions)
- Sassafras albidum (10 revisions)
- Luziola peruviana (10 revisions)
- Achnatherum parishii subsp. depauperatum (10 revisions)
- Penstemon glandulosus (10 revisions)
- Dichanthelium commutatum subsp. joorii (10 revisions)
- Agrostis canina (10 revisions)
- Corylus cornuta (10 revisions)
- Ivesia baileyi (10 revisions)
- Symphyotrichum patens (10 revisions)
- Cheiroglossa palmata (9 revisions)
- Acrostichum danaeifolium (9 revisions)
- Nectandra (9 revisions)
- Roellobryaceae Illustrations (9 revisions)
- Ancistrocactus brevihamatus (9 revisions)
- Cannabaceae (9 revisions)
- Mesembryanthemum crystallinum (9 revisions)
- Nymphaea mexicana (9 revisions)
- Phlegmariurus (9 revisions)
- Woodwardia (9 revisions)
- Solidago lepida var. lepida (9 revisions)
- Juniperus virginiana var. silicicola (9 revisions)
- Carex heleonastes (9 revisions)
- Clematis glaucophylla (9 revisions)
- Listera auriculata (9 revisions)
- Delphinium gypsophilum (9 revisions)
- Seligeriaceae Illustrations (9 revisions)
- Carex viridula var. viridula (9 revisions)
- Asimina triloba (9 revisions)
- Thelocactus (9 revisions)
- Gisekia (9 revisions)
- Isopterygiopsis pulchella (9 revisions)
- Ranunculus parviflorus (9 revisions)
- Azolla caroliniana (9 revisions)
- Dryopteris cristata (9 revisions)
- Dryopteris ludoviciana (9 revisions)
- Ranunculus ranunculinus (9 revisions)
- Schisandra (9 revisions)
- Theaceae Illustrations (9 revisions)
- Chelone lyonii (9 revisions)
- Anemone acutiloba (9 revisions)
- Boerhavia coulteri var. coulteri (9 revisions)
- Cylindropuntia ×kelvinensis (9 revisions)
- Deeringothamnus rugelii (9 revisions)
- Asplenium monanthes (9 revisions)
- Cupressus arizonica (9 revisions)
- Pityrogramma calomelanos var. calomelanos (9 revisions)
- Quercus inopina (9 revisions)
- Piperaceae (9 revisions)
- Zannichelliaceae Illustrations (9 revisions)
- Annonaceae Illustrations (9 revisions)
- Collinsia antonina (9 revisions)
- Caltha leptosepala (9 revisions)
- Neolloydia conoidea var. conoidea (9 revisions)
- Cylindropuntia abyssi (9 revisions)
- Ceratophyllaceae (9 revisions)
- Vittariaceae (9 revisions)
- Laënnecia filaginoides (9 revisions)
- Pinus (9 revisions)
- Asimina (9 revisions)
- Hexastylis speciosa (9 revisions)
- Berberidaceae Illustrations (9 revisions)
- Collinsia corymbosa (9 revisions)
- Thalictrum arkansanum (9 revisions)
- Berberis darwinii (9 revisions)
- Grusonia emoryi (9 revisions)
- Delphinium subsect. Wislizenana (9 revisions)
- Selaginella asprella (9 revisions)
- Asplenium ruta-muraria (9 revisions)
- Lorandersonia spathulata (9 revisions)
- Pteris cretica var. albolineata (9 revisions)
- Delphinium cardinale (9 revisions)
- Aristolochia tomentosa (9 revisions)
- Calycanthaceae Illustrations (9 revisions)
- Carya tomentosa (9 revisions)
- Carex scirpoidea subsp. scirpoidea (9 revisions)
- Adonis aestivalis (9 revisions)
- Opuntia tortispina (9 revisions)
- Humulus lupulus var. pubescens (9 revisions)
- Polypodium saximontanum (9 revisions)
- Juniperus flaccida var. flaccida (9 revisions)
- Carex conoidea (9 revisions)
- Clematis pitcheri var. dictyota (9 revisions)
- Selaginella utahensis (9 revisions)
- Cinnamomum camphora (9 revisions)
- Clusiaceae Illustrations (9 revisions)
- Carya laciniosa (9 revisions)
- Opuntia macrocentra (9 revisions)
- Persea palustris (9 revisions)
- Crataegus ×disperma (9 revisions)
- Salvinia minima (9 revisions)
- Argyrochosma limitanea subsp. mexicana (9 revisions)
- Polycarpon tetraphyllum (9 revisions)
- Papaver macounii subsp. discolor (9 revisions)
- Pteris multifida (9 revisions)
- Delphinium parishii subsp. subglobosum (9 revisions)
- Dioscoreaceae Illustrations (9 revisions)
- Juglans microcarpa (9 revisions)
- Opuntia basilaris var. treleasei (9 revisions)
- Dendromecon harfordii (9 revisions)
- Botrychium biternatum (9 revisions)
- Scorpidium cossonii (9 revisions)
- Micranthes oregana (9 revisions)
- Selaginella underwoodii (9 revisions)
- Cheilanthes newberryi (9 revisions)
- Anemone multifida var. stylosa (9 revisions)
- Asplenium rhizophyllum (9 revisions)
- Akebia quinata (9 revisions)
- Fagaceae Illustrations (9 revisions)
- Pilea pumila (9 revisions)
- Delphinium multiplex (9 revisions)
- Nopalea cochenillifera (9 revisions)
- Ulmus alata (9 revisions)
- Pinus jeffreyi (9 revisions)
- Stegonia (9 revisions)
- Nephrolepis exaltata (9 revisions)
- Gleicheniaceae (9 revisions)
- Betula murrayana (9 revisions)
- Huperzia occidentalis (9 revisions)
- Quercus myrtifolia (9 revisions)
- Helodiaceae Illustrations (9 revisions)
- Arida blepharophylla (9 revisions)
- Dicentra formosa subsp. formosa (9 revisions)
- Peniocereus striatus (9 revisions)
- Portulaca umbraticola subsp. lanceolata (9 revisions)
- Nymphaea lotus (9 revisions)
- Trichomanes holopterum (9 revisions)
- Astrolepis cochisensis subsp. arizonica (9 revisions)
- Ranunculus eschscholtzii var. eximius (9 revisions)
- Pellaea ternifolia subsp. arizonica (9 revisions)
- Papaver sect. Papaver (9 revisions)
- Lardizabalaceae Illustrations (9 revisions)
- Ranunculus alismifolius var. montanus (9 revisions)
- Betula (9 revisions)
- Echinocereus nicholii (9 revisions)
- Glinus radiatus (9 revisions)
- Ranunculus californicus (9 revisions)
- Taxus brevifolia (9 revisions)
- Arachniodes (9 revisions)
- Pinus flexilis (9 revisions)
- Berberis nervosa (9 revisions)
- Ophioglossum engelmannii (9 revisions)
- Peperomia obtusifolia (9 revisions)
- Malvaceae Illustrations (9 revisions)
- Phemeranthus teretifolius (9 revisions)
- Ranunculus recurvatus var. recurvatus (9 revisions)
- Echinocereus poselgeri (9 revisions)
- Allionia choisyi (9 revisions)
- Ranunculus kamtschaticus (9 revisions)
- Pecluma ptilodon var. caespitosa (9 revisions)
- Potentilla sect. Niveae (9 revisions)
- Carex aquatilis var. minor (9 revisions)
- Ranunculus alismifolius var. lemmonii (9 revisions)
- Polypodium californicum (9 revisions)
- Thalictrum clavatum (9 revisions)
- Myrsinaceae Illustrations (9 revisions)
- Quercus buckleyi (9 revisions)
- Pachycereus schottii (9 revisions)
- Atriplex argentea var. longitrichoma (9 revisions)
- Pinus radiata (9 revisions)
- Microgramma heterophylla (9 revisions)
- Solidago uliginosa (9 revisions)
- Carex media (9 revisions)
- Nuphar orbiculata (9 revisions)
- Thelypteris noveboracensis (9 revisions)
- Illicium (9 revisions)
- Penthoraceae Illustrations (9 revisions)
- Echinomastus johnsonii (9 revisions)
- Juncus hemiendytus var. hemiendytus (9 revisions)
- Tripterocalyx micranthus (9 revisions)
- Juncus triformis (9 revisions)
- Quercus boyntonii (9 revisions)
- Macleaya cordata (9 revisions)
- Odontosoria clavata (9 revisions)
- Pinus serotina (9 revisions)
- Ranunculus macauleyi (9 revisions)
- Chrysolepis sempervirens (9 revisions)
- Portulacaceae Illustrations (9 revisions)
- Papaver sect. Rhoeadium (9 revisions)
- Ranunculus acriformis var. aestivalis (9 revisions)
- Galenia (9 revisions)
- Hexastylis lewisii (9 revisions)
- Tsuga (9 revisions)
- Nothocalaïs cuspidata (9 revisions)
- Selaginella standleyi (9 revisions)
- Aspidotis densa (9 revisions)
- Broussonetia papyrifera (9 revisions)
- Rosaceae Illustrations (9 revisions)
- Calycanthus floridus var. floridus (9 revisions)
- Ancistrocactus scheeri (9 revisions)
- Ranunculus glaberrimus var. ellipticus (9 revisions)
- Mesembryanthemum nodiflorum (9 revisions)
- Nymphaea capensis (9 revisions)
- Juniperus sect. Juniperus (9 revisions)
- Solidago lepida var. salebrosa (9 revisions)
- Draba lactea (9 revisions)
- Eriogonum ochrocephalum (9 revisions)
- Podophyllum peltatum (9 revisions)
- Magnolia fraseri (9 revisions)
- Sematophyllaceae Illustrations (9 revisions)
- Betula nigra (9 revisions)
- Thelocactus bicolor (9 revisions)
- Ranunculus sect. Ranunculus (9 revisions)
- Pereskia (9 revisions)
- Dicentra chrysantha (9 revisions)
- Macrothelypteris (9 revisions)
- Polygonum fowleri subsp. fowleri (9 revisions)
- Deeringothamnus (9 revisions)
- Broussonetia (9 revisions)
- Theliaceae Illustrations (9 revisions)
- Chelone glabra (9 revisions)
- Ranunculus fasciculatus (9 revisions)
- Coryphantha robertii (9 revisions)
- Urtica dioica subsp. dioica (9 revisions)
- Cylindropuntia prolifera (9 revisions)
- Anemone virginiana var. virginiana (9 revisions)
- Pleopeltis polypodioides var. michauxiana (9 revisions)
- Ephedra viridis (9 revisions)
- Quercus havardii (9 revisions)
- Caulophyllum thalictroides (9 revisions)
- Zingiberaceae Illustrations (9 revisions)
- Anomodontaceae Illustrations (9 revisions)
- Collinsia parryi (9 revisions)
- Meconella californica (9 revisions)
- Epithelantha (9 revisions)
- Ranunculus hispidus var. hispidus (9 revisions)
- Cylindropuntia munzii (9 revisions)
- Aquilegia hinckleyana (9 revisions)
- Adiantum jordanii (9 revisions)
- Juniperus (9 revisions)
- Carex cumberlandensis (9 revisions)
- Nymphaeaceae (9 revisions)
- Betulaceae Illustrations (9 revisions)
- Dicranum fuscescens (9 revisions)
- Collinsia bartsiifolia (9 revisions)
- Argemone munita subsp. robusta (9 revisions)
- Grusonia schottii (9 revisions)
- Juncus supiniformis (9 revisions)
- Delphinium hesperium subsp. hesperium (9 revisions)
- Tsuga canadensis (9 revisions)
- Huperzia porophila (9 revisions)
- Selaginella kraussiana (9 revisions)
- Eriogonum atrorubens (9 revisions)
- Platystemon californicus (9 revisions)
- Calymperaceae Illustrations (9 revisions)
- Keckiella antirrhinoides var. antirrhinoides (9 revisions)
- Trautvetteria (9 revisions)
- Dicentra formosa subsp. oregana (9 revisions)
- Opuntia stricta (9 revisions)
- Selaginella willdenowii (9 revisions)
- Ephedra antisyphilitica (9 revisions)
- Juniperus occidentalis var. occidentalis (9 revisions)
- Parietaria floridana (9 revisions)
- Campyloneurum latum (9 revisions)
- Delphinium subsect. Grumosa (9 revisions)
- Cochlospermaceae Illustrations (9 revisions)
- Lindera (9 revisions)
- Delphinium patens (9 revisions)
- Opuntia phaeacantha (9 revisions)
- Glaucium flavum (9 revisions)
- Crataegus ×dispessa (9 revisions)
- Aspidotis (9 revisions)
- Asplenium palmeri (9 revisions)
- Hamamelis (9 revisions)
- Thelypteris sclerophylla (9 revisions)
- Diphysciaceae Illustrations (9 revisions)
- Corydalis aurea subsp. occidentalis (9 revisions)
- Menispermaceae (9 revisions)
- Opuntia basilaris var. longiareolata (9 revisions)
- Casuarina glauca (9 revisions)
- Pinus banksiana (9 revisions)
- Notholaena grayi subsp. sonorensis (9 revisions)
- Cheilanthes bonariensis (9 revisions)
- Carex capillaris (9 revisions)
- Argemone pleiacantha subsp. ambigua (9 revisions)
- Hypolepis (9 revisions)
- Eschscholzia lobbii (9 revisions)
- Fissidentaceae Illustrations (9 revisions)
- Quercus incana (9 revisions)
- Ranunculus hispidus var. nitidus (9 revisions)
- Consolea (9 revisions)
- Pseudolycopodiella (9 revisions)
- Acrostichum (9 revisions)
- Woodwardia fimbriata (9 revisions)
- Quercus muehlenbergii (9 revisions)
- Ranunculus macranthus (9 revisions)
- Hookeriaceae Illustrations (9 revisions)
- Quercus velutina (9 revisions)
- Sanguinaria (9 revisions)
- Talinopsis (9 revisions)
- Quercus texana (9 revisions)
- Calocedrus (9 revisions)
- Pecluma dispersa (9 revisions)
- Pellaea glabella subsp. missouriensis (9 revisions)
- Ranunculus sect. Flammula (9 revisions)
- Astrolepis integerrima (9 revisions)
- Thalictrum sect. Thalictrum (9 revisions)
- Lauraceae Illustrations (9 revisions)
- Krameria (9 revisions)
- Aquilegia jonesii (9 revisions)
- Boerhavia erecta (9 revisions)
- Tradescantia reverchonii (9 revisions)
- Glinus lotoides (9 revisions)
- Ficus citrifolia (9 revisions)
- Asplenium exiguum (9 revisions)
- Aloina rigida (9 revisions)
- Polypodium appalachianum (9 revisions)
- Trichomanes boschianum (9 revisions)
- Liquidambar (9 revisions)
- Polystichum munitum (9 revisions)
- Piper (9 revisions)
- Marantaceae Illustrations (9 revisions)
- Agave americana (9 revisions)
- Phemeranthus thompsonii (9 revisions)
- Ranunculus glaberrimus var. glaberrimus (9 revisions)
- Hylocereus (9 revisions)
- Abronia (9 revisions)
- Anemone drummondii var. lithophila (9 revisions)
- Thelypteris hispidula var. versicolor (9 revisions)
- Osmunda (9 revisions)
- Eschscholzia rhombipetala (9 revisions)
- Thalictrum sparsiflorum (9 revisions)
- Najadaceae Illustrations (9 revisions)
- Delphinium newtonianum (9 revisions)
- Carnegiea (9 revisions)
- Abronia villosa var. villosa (9 revisions)
- Trichostomum tenuirostre var. tenuirostre (9 revisions)
- Pellaea atropurpurea (9 revisions)
- Prenanthes serpentaria (9 revisions)
- Adiantum capillus-veneris (9 revisions)
- Ficus microcarpa (9 revisions)
- Phytolaccaceae Illustrations (9 revisions)
- Aquilegia coerulea var. ochroleuca (9 revisions)
- Echinomastus erectocentrus (9 revisions)
- Anemone oregana var. oregana (9 revisions)
- Tripterocalyx carneus (9 revisions)
- Ranunculus orthorhynchus var. orthorhynchus (9 revisions)
- Baccharis douglasii (9 revisions)
- Phlebodium (9 revisions)
- Asplenium septentrionale (9 revisions)
- Oxytheca dendroidea (9 revisions)
- Ranunculus subg. Crymodes (9 revisions)
- Potamogetonaceae Illustrations (9 revisions)
- Argemone albiflora subsp. texana (9 revisions)
- Hexastylis contracta (9 revisions)
- Galenia pubescens (9 revisions)
- Magnolia grandiflora (9 revisions)
- Cabombaceae (9 revisions)
- Campyloneurum phyllitidis (9 revisions)
- Nothocalaïs nigrescens (9 revisions)
- Huperzia haleakalae (9 revisions)
- Woodsia neomexicana (9 revisions)
- Nemacaulis denudata (9 revisions)
- Eriogonum jamesii (9 revisions)
- Eriogonum rosense (9 revisions)
- Lindera melissifolia (9 revisions)
- Thalictrum dasycarpum (9 revisions)
- Ruppiaceae Illustrations (9 revisions)
- Umbellularia (9 revisions)
- Pediocactus (9 revisions)
- Chelidonium (9 revisions)
- Carpobrotus (9 revisions)
- Erigeron uniflorus var. eriocephalus (9 revisions)
- Zamiaceae (9 revisions)
- Notholaena grayi subsp. grayi (9 revisions)
- Solidago lepida subsp. fallax (9 revisions)
- Palhinhaea (9 revisions)
- Aquilegia chrysantha (9 revisions)
- Ficus religiosa (9 revisions)
- Smilacaceae Illustrations (9 revisions)
- Canella winterana (9 revisions)
- Thelocactus bicolor var. bicolor (9 revisions)
- Pereskia aculeata (9 revisions)
- Arisaema triphyllum (9 revisions)
- Ranunculus flabellaris (9 revisions)
- Blechnaceae (9 revisions)
- Polygonum fowleri subsp. hudsonianum (9 revisions)
- Phanerophlebia auriculata (9 revisions)
- Woodsia oregana subsp. oregana (9 revisions)
- Limnanthes sect. Inflexae (9 revisions)
- Eriogonum wrightii (9 revisions)
- Leitneriaceae (9 revisions)
- Quercus pagoda (9 revisions)
- Thelypteridaceae Illustrations (9 revisions)
- Iris (sect. Limniris) ser. Spuriae (9 revisions)
- Quercus depressipes (9 revisions)
- Coryphantha chaffeyi (9 revisions)
- Asarum (9 revisions)
- Cylindropuntia versicolor (9 revisions)
- Juncus xiphioides (9 revisions)
- Quercus sinuata var. breviloba (9 revisions)
- Polypodiaceae (9 revisions)
- Woodsia scopulina subsp. scopulina (9 revisions)
- Rhynchospora colorata (9 revisions)
- Aquilegia pubescens (9 revisions)
- Juglans hindsii (9 revisions)
- Zosteraceae Illustrations (9 revisions)
- Apodanthaceae Illustrations (9 revisions)
- Collinsia callosa (9 revisions)
- Quercus pungens (9 revisions)
- Clematis subg. Clematis (9 revisions)
- Phaulothamnus (9 revisions)
- Notholaena standleyi (9 revisions)
- Taxodium distichum var. imbricarium (9 revisions)
- Blechnaceae Illustrations (9 revisions)
- Peperomia humilis (9 revisions)
- Grusonia kunzei (9 revisions)
- Taxodium distichum var. distichum (9 revisions)
- Botrychium spathulatum (9 revisions)
- Osmunda regalis var. spectabilis (9 revisions)
- Nelumbo nucifera (9 revisions)
- Canellaceae Illustrations (9 revisions)
- Keckiella antirrhinoides var. microphylla (9 revisions)
- Sansevieria hyacinthoides (9 revisions)
- Aristolochia pentandra (9 revisions)
- Delphinium californicum subsp. californicum (9 revisions)
- Opuntia chlorotica (9 revisions)
- Equisetum hyemale subsp. affine (9 revisions)
- Myurella sibirica (9 revisions)
- Thelypteris subg. Cyclosorus (9 revisions)
- Laënnecia schiedeana (9 revisions)
- Cheilanthes microphylla (9 revisions)
- Saururus cernuus (9 revisions)
- Ophioglossum vulgatum (9 revisions)
- Ranunculus sceleratus var. sceleratus (9 revisions)
- Commelinaceae Illustrations (9 revisions)
- Asarum wagneri (9 revisions)
- Opuntia ×curvispina (9 revisions)
- Juncus bolanderi (9 revisions)
- Cimicifuga arizonica (9 revisions)
- Spergularia canadensis var. canadensis (9 revisions)
- Crataegus ×fretalis (9 revisions)
- Gymnocarpium (9 revisions)
- Pellaea intermedia (9 revisions)
- Marsilea vestita (9 revisions)
- Eriogonum strictum (9 revisions)
- Asplenium ×biscayneanum (9 revisions)
- Nigella damascena (9 revisions)
- Disceliaceae Illustrations (9 revisions)
- Opuntia basilaris var. brachyclada (9 revisions)
- Adiantum viridimontanum (9 revisions)
- Eichhornia crassipes (9 revisions)
- Clematis occidentalis var. dissecta (9 revisions)
- Lycopodiella appressa (9 revisions)
- Fontinalaceae Illustrations (9 revisions)
- Quercus oglethorpensis (9 revisions)
- Aquilegia micrantha (9 revisions)
- Consolea corallicola (9 revisions)
- Magnolia (9 revisions)
- Botrychium sect. Hiemobotrychium (9 revisions)
- Asplenium pinnatifidum (9 revisions)
- Polypodium scouleri (9 revisions)
- Eriogonum longifolium (9 revisions)
- Berberis fremontii (9 revisions)
- Ranunculus subg. Oxygraphis (9 revisions)
- Hydrocharitaceae Illustrations (9 revisions)
- Ranunculus hydrocharoides (9 revisions)
- Delphinium hesperium subsp. pallescens (9 revisions)
- Echinocereus enneacanthus (9 revisions)
- Talinopsis frutescens (9 revisions)
- Myrica inodora (9 revisions)
- Astrolepis sinuata subsp. sinuata (9 revisions)
- Woodsia phillipsii (9 revisions)
- Azolla (9 revisions)
- Azolla filiculoides (9 revisions)
- Asarum lemmonii (9 revisions)
- Leitneriaceae Illustrations (9 revisions)
- Fothergilla (9 revisions)
- Ranunculus arvensis (9 revisions)
- Echinocereus ledingii (9 revisions)
- Atriplex sect. Spongiocarpus (9 revisions)
- Mirabilis rotundifolia (9 revisions)
- Nymphaea ampla (9 revisions)
- Pinus elliottii var. elliottii (9 revisions)
- Vittaria lineata (9 revisions)
- Potentilla sect. Aureae (9 revisions)
- Nephrolepis (9 revisions)
- Stipulicida setacea (9 revisions)
- Mycelis (9 revisions)
- Stylomecon heterophylla (9 revisions)
- Ephedra trifurca (9 revisions)
- Quercus vaseyana (9 revisions)
- Marsileaceae Illustrations (9 revisions)
- Phemeranthus validulus (9 revisions)
- Aristolochiaceae (9 revisions)
- Hylocereus undatus (9 revisions)
- Abronia fragrans (9 revisions)
- Fagus grandifolia (9 revisions)
- Ophioglossum nudicaule (9 revisions)
- Psilotum (9 revisions)
- Draba alpina (9 revisions)
- Hexastylis rhombiformis (9 revisions)
- Ranunculus sect. Halodes (9 revisions)
- Neckeraceae Illustrations (9 revisions)
- Agave parryi var. parryi (9 revisions)
- Ranunculus sect. Arcteranthis (9 revisions)
- Boerhavia megaptera (9 revisions)
- Abronia villosa var. aurita (9 revisions)
- Phegopteris hexagonoptera (9 revisions)
- Trichostomum tenuirostre var. gemmiparum (9 revisions)
- Asplenium trichomanes subsp. quadrivalens (9 revisions)
- Delphinium lineapetalum (9 revisions)
- Phlebodium aureum (9 revisions)
- Picramniaceae Illustrations (9 revisions)
- Eutrochium purpureum var. purpureum (9 revisions)
- Maclura pomifera (9 revisions)
- Echinomastus erectocentrus var. erectocentrus (9 revisions)
- Tripterocalyx wootonii (9 revisions)
- Ulmus crassifolia (9 revisions)
- Berberis wilcoxii (9 revisions)
- Cochlospermaceae (9 revisions)
- Azollaceae (9 revisions)
- Tsuga mertensiana (9 revisions)
- Trema micrantha (9 revisions)
- Ficus benghalensis (9 revisions)
- Pottiaceae Illustrations (9 revisions)
- Quercus gambelii (9 revisions)
- Sclerocactus mesae-verdae (9 revisions)
- Galenia secunda (9 revisions)
- Sesuvium (9 revisions)
- Berberis pinnata subsp. insularis (9 revisions)
- Cupressus sargentii (9 revisions)
- Weissia phascopsis (9 revisions)
- Pellaea breweri (9 revisions)
- Carex incurviformis (9 revisions)
- Argemone squarrosa subsp. glabrata (9 revisions)
- Ranunculus cooleyae (9 revisions)
- Rutenbergiaceae Illustrations (9 revisions)
- Delphinium menziesii subsp. pallidum (9 revisions)
- Pediocactus sileri (9 revisions)
- Nymphaea elegans (9 revisions)
- Carpobrotus chilensis (9 revisions)
- Cystopteris tenuis (9 revisions)
- Isoëtes occidentalis (9 revisions)
- Cheilanthes aemula (9 revisions)
- Anemone oregana var. felix (9 revisions)
- Delphinium geraniifolium (9 revisions)
- Sparganiaceae Illustrations (9 revisions)
- Iris (sect. Limniris) ser. Longipetalae (9 revisions)
- Ranunculus glacialis var. camissonis (9 revisions)
- Thelocactus bicolor var. flavidispinus (9 revisions)
- Eschscholzia ramosa (9 revisions)
- Delphinium parishii subsp. parishii (9 revisions)
- Botrychium oneidense (9 revisions)
- Asplenium trichomanes subsp. trichomanes (9 revisions)
- Nymphaea leibergii (9 revisions)
- Delphinium exaltatum (9 revisions)
- Theophrastaceae Illustrations (9 revisions)
- Chelone obliqua var. obliqua (9 revisions)
- Argemone polyanthemos (9 revisions)
- Coryphantha dasyacantha (9 revisions)
- Hamamelidaceae (9 revisions)
- Brachythecium erythrorrhizon (9 revisions)
- Brasenia (9 revisions)
- Lycopodiella alopecuroides (9 revisions)
- Dryopteris intermedia (9 revisions)
- Hymenophyllum (9 revisions)
- Peperomia magnoliifolia (9 revisions)
- Aponogetonaceae Illustrations (9 revisions)
- Grimmia ramondii (9 revisions)
- Ranunculus ficaria (9 revisions)
- Epithelantha micromeris var. micromeris (9 revisions)
- Cylindropuntia ganderi (9 revisions)
- Corydalis (9 revisions)
- Thelypteris dentata (9 revisions)
- Cannabis (9 revisions)
- Brachytheciaceae Illustrations (9 revisions)
- Anemone piperi (9 revisions)
- Pterostegia (9 revisions)
- Grusonia clavata (9 revisions)
- Romneya coulteri (9 revisions)
- Pteris bahamensis (9 revisions)
- Quercus toumeyi (9 revisions)
- Cannabaceae Illustrations (9 revisions)
- Keckiella cordifolia (9 revisions)
- Quercus montana (9 revisions)
- Carpinus caroliniana subsp. virginiana (9 revisions)
- Boerhavia (9 revisions)
- Quercus arizonica (9 revisions)
- Campyloneurum costatum (9 revisions)
- Thelypteris simulata (9 revisions)
- Osmunda ruggii (9 revisions)
- Ficus carica (9 revisions)
- Picea breweriana (9 revisions)
- Helleborus (9 revisions)
- Crassulaceae Illustrations (9 revisions)
- Cocculus diversifolius (9 revisions)
- Stylophorum diphyllum (9 revisions)
- Opuntia ×spinosibacca (9 revisions)
- Ranunculus alismifolius var. alismifolius (9 revisions)
- Crataegus ×incaedua (9 revisions)
- Selaginella leucobryoides (9 revisions)
- Tortula cuneifolia (9 revisions)
- Botrychium lunarioides (9 revisions)
- Ranunculaceae (9 revisions)
- Lygodiaceae (9 revisions)
- Argemone ochroleuca (9 revisions)
- Ditrichaceae Illustrations (9 revisions)
- Trematodon (9 revisions)
- Opuntia aurea (9 revisions)
- Ulmus (9 revisions)
- Rhododendron columbianum (9 revisions)
- Botrychium pinnatum (9 revisions)
- Asteraceae tribe Astereae (9 revisions)
- Asplenium abscissum (9 revisions)
- Nephrolepis biserrata (9 revisions)
- Aquilegia brevistyla (9 revisions)
- Frankeniaceae Illustrations (9 revisions)
- Aristolochia macrophylla (9 revisions)
- Deeringothamnus pulchellus (9 revisions)
- Cactaceae subfam. Cactoideae (9 revisions)
- Illiciaceae (9 revisions)
- Juniperus communis var. montana (9 revisions)
- Asplenium platyneuron (9 revisions)
- Quercus falcata (9 revisions)
- Asplenium trichomanes-ramosum (9 revisions)
- Fagus (9 revisions)
- Hylocomiaceae Illustrations (9 revisions)
- Thalictrum occidentale (9 revisions)
- Echinocereus enneacanthus var. enneacanthus (9 revisions)
- Talinum (9 revisions)
- Berberis aquifolium (9 revisions)
- Thelypteridaceae (9 revisions)
- Pseudolycopodiella caroliniana (9 revisions)
- Equisetum ×ferrissii (9 revisions)
- Clematis (9 revisions)
- Marsilea quadrifolia (9 revisions)
- Clematis addisonii (9 revisions)
- Lembophyllaceae Illustrations (9 revisions)
- Delphinium alpestre (9 revisions)
- Saururus (9 revisions)
- Echinocereus triglochidiatus (9 revisions)
- Mirabilis gigantea (9 revisions)
- Aconitum columbianum subsp. columbianum (9 revisions)
- Pinus pungens (9 revisions)
- Pellaea glabella subsp. occidentalis (9 revisions)
- Delphinium stachydeum (9 revisions)
- Equisetum pratense (9 revisions)
- Quercus cornelius-mulleri (9 revisions)
- Mayacaceae Illustrations (9 revisions)
- Mirabilis linearis var. linearis (9 revisions)
- Mirabilis sect. Oxybaphoides (9 revisions)
- Lardizabalaceae (9 revisions)
- Selenicereus (9 revisions)
- Xyris fimbriata (9 revisions)
- Phytolacca heterotepala (9 revisions)
- Clematis catesbyana (9 revisions)
- Pellaea andromedifolia (9 revisions)
- Selaginella arenicola subsp. arenicola (9 revisions)
- Hydrastis (9 revisions)
- Cyrtomium fortunei var. fortunei (9 revisions)
- Meconella oregana (9 revisions)
- Nelumbonaceae Illustrations (9 revisions)
- Agave parryi var. huachucensis (9 revisions)
- Quercus oblongifolia (9 revisions)
- Carnegiea gigantea (9 revisions)
- Abronia ammophila (9 revisions)
- Stylomecon (9 revisions)
- Asplenium cristatum (9 revisions)
- Adiantum tenerum (9 revisions)
- Casuarina equisetifolia subsp. equisetifolia (9 revisions)
- Selaginella eatonii (9 revisions)
- Clematis texensis (9 revisions)
- Pilotrichaceae Illustrations (9 revisions)
- Fissidens closteri (9 revisions)
- Nuphar microphylla (9 revisions)
- Echinomastus erectocentrus var. acunensis (9 revisions)
- Argemone (9 revisions)
- Tripterocalyx crux-maltae (9 revisions)
- Persea (9 revisions)
- Botrychium jenmanii (9 revisions)
- Picea abies (9 revisions)
- Berberis dictyota (9 revisions)
- Aristolochia maxima (9 revisions)
- Primulaceae Illustrations (9 revisions)
- Myrica pensylvanica (9 revisions)
- Boerhavia purpurascens (9 revisions)
- Sclerocactus pubispinus (9 revisions)
- Clematis orientalis (9 revisions)
- Sesuvium maritimum (9 revisions)
- Quercus garryana var. breweri (9 revisions)
- Selaginella ×neomexicana (9 revisions)
- Nothocalaïs troximoides (9 revisions)
- Weissia ludoviciana (9 revisions)
- Pellaea ternifolia subsp. ternifolia (9 revisions)
- Polystichum kwakiutlii (9 revisions)
- Eriophorum brachyantherum (9 revisions)
- Myosurus cupulatus (9 revisions)
- Corylus (9 revisions)
- Salicaceae Illustrations (9 revisions)
- Grimmia (9 revisions)
- Iris (sect. Limniris) ser. Sibirica (9 revisions)
- Enemion biternatum (9 revisions)
- Pediocactus peeblesianus (9 revisions)
- Xanthorhiza simplicissima (9 revisions)
- Carpobrotus edulis (9 revisions)
- Quercus margarettae (9 revisions)
- Erigeron humilis (9 revisions)
- Pleopeltis riograndensis (9 revisions)
- Consolida pubescens (9 revisions)
- Ranunculus pusillus (9 revisions)
- Sphagnaceae Illustrations (9 revisions)
- Clematis tangutica var. tangutica (9 revisions)
- Hamatocactus (9 revisions)
- Hesperomecon linearis (9 revisions)
- Pereskia grandifolia var. grandifolia (9 revisions)
- Juncus oxymeris (9 revisions)
- Isopterygium tenerum (9 revisions)
- Dicentra uniflora (9 revisions)
- Schizaeaceae (9 revisions)
- Ceratopteris pteridoides (9 revisions)
- Argyrochosma fendleri (9 revisions)
- Clematis viticaulis (9 revisions)
- Myrica hartwegii (9 revisions)
- Thuidiaceae Illustrations (9 revisions)
- Dicranella subulata (9 revisions)
- Chelone obliqua var. speciosa (9 revisions)
- Iris (sect. Limniris) ser. Prisimaticae (9 revisions)
- Aconitum delphiniifolium (9 revisions)
- Coryphantha duncanii (9 revisions)
- Calycanthus floridus var. glaucus (9 revisions)
- Cylindropuntia bigelovii var. bigelovii (9 revisions)
- Argemone hispida (9 revisions)
- Argyrochosma limitanea subsp. limitanea (9 revisions)
- Pteridaceae (9 revisions)
- Pinus glabra (9 revisions)
- Ranunculus occidentalis var. brevistylis (9 revisions)
- Alnus serrulata (9 revisions)
- Araceae Illustrations (9 revisions)
- Collinsia greenei (9 revisions)
- Dicentra ochroleuca (9 revisions)
- Epithelantha bokei (9 revisions)
- Ranunculus cardiophyllus (9 revisions)
- Cylindropuntia echinocarpa (9 revisions)
- Pilea fontana (9 revisions)
- Gymnocarpium appalachianum (9 revisions)
- Adiantum hispidulum (9 revisions)
- Brassicaceae Illustrations (9 revisions)
- Rudbeckia texana (9 revisions)
- Quercus emoryi (9 revisions)
- Grusonia parishii (9 revisions)
- Lysichiton americanus (9 revisions)
- Hesperocnide tenella (9 revisions)
- Ophioglossum californicum (9 revisions)
- Oncosiphon (9 revisions)
- Argyrochosma dealbata (9 revisions)
- Corydalis scouleri (9 revisions)
- Anemone okennonii (9 revisions)
- Cannaceae Illustrations (9 revisions)
- Quercus robusta (9 revisions)
- Clematis albicoma (9 revisions)
- Opuntia strigil (9 revisions)
- Cassytha (9 revisions)
- Ceratopteris thalictroides (9 revisions)
- Ceratopteris (9 revisions)
- Cuniculotinus (9 revisions)
- Quercus sadleriana (9 revisions)
- Ceratopteris richardii (9 revisions)
- Corylus avellana (9 revisions)
- Crossosomataceae Illustrations (9 revisions)
- Niphotrichum pygmaeum (9 revisions)
- Anemone drummondii var. drummondii (9 revisions)
- Betula kenaica (9 revisions)
- Opuntia oricola (9 revisions)
- Pouzolzia zeylanica (9 revisions)
- Crataegus ×kelloggii (9 revisions)
- Polystichum scopulinum (9 revisions)
- Pellaea mucronata subsp. mucronata (9 revisions)
- Larix occidentalis (9 revisions)
- Ranunculus eschscholtzii var. suksdorfii (9 revisions)
- Spiraea ×vanhouttei (9 revisions)
- Droseraceae Illustrations (9 revisions)
- Parietaria pensylvanica (9 revisions)
- Boerhavia gracillima (9 revisions)
- Oxalis frutescens subsp. angustifolia (9 revisions)
- Argemone pleiacantha subsp. pleiacantha (9 revisions)
- Pellaea glabella subsp. glabella (9 revisions)
- Polystichum aleuticum (9 revisions)
- Botrychium rugulosum (9 revisions)
- Schoenoplectus acutus var. acutus (9 revisions)
- Aquilegia eximia (9 revisions)
- Astrolepis cochisensis subsp. chihuahuensis (9 revisions)
- Clematis crispa (9 revisions)
- Fumariaceae Illustrations (9 revisions)
- Anemone multiceps (9 revisions)
- Harrisia (9 revisions)
- Urtica gracilenta (9 revisions)
- Argyrochosma incana (9 revisions)
- Lechea san-sabeana (9 revisions)
- Laënnecia coulteri (9 revisions)
- Tectaria (9 revisions)
- Polystichum andersonii (9 revisions)
- Carex subspathacea (9 revisions)
- Thelypteris nevadensis (9 revisions)
- Delphinium hansenii subsp. hansenii (9 revisions)
- Hymenophyllaceae Illustrations (9 revisions)
- Ranunculus alismifolius var. alismellus (9 revisions)
- Ranunculus orthorhynchus var. bloomeri (9 revisions)
- Echinocereus enneacanthus var. brevispinus (9 revisions)
- Talinum fruticosum (9 revisions)
- Corylus cornuta subsp. californica (9 revisions)
- Selaginella viridissima (9 revisions)
- Helianthus mollis (9 revisions)
- Sorbus subg. Sorbus (9 revisions)
- Lemnaceae Illustrations (9 revisions)
- Adolphia infesta (9 revisions)
- Hamamelis vernalis (9 revisions)
- Echinocereus arizonicus (9 revisions)
- Mirabilis nyctaginea (9 revisions)
- Papaver orientale (9 revisions)
- Selaginella subg. Stachygynandrum (9 revisions)
- Pinus contorta var. latifolia (9 revisions)
- Delphinium hesperium (9 revisions)
- Equisetum subg. Equisetum (9 revisions)
- Coptis aspleniifolia (9 revisions)
- Meesiaceae Illustrations (9 revisions)
- Phyllanthus abnormis var. riograndensis (9 revisions)
- Agave americana subsp. americana (9 revisions)
- Portulaca (9 revisions)
- Diphylleia (9 revisions)
- Selenicereus grandiflorus (9 revisions)
- Abronia ameliae (9 revisions)
- Fumariaceae (9 revisions)
- Botrychium subg. Sceptridium (9 revisions)
- Phegopteris (9 revisions)
- Asplenium serratum (9 revisions)
- Engelmannia (9 revisions)
- Carex saxatilis (9 revisions)
- Papaver sect. Californicum (9 revisions)
- Nyctaginaceae Illustrations (9 revisions)
- Agave parryi var. couesii (9 revisions)
- Berberis amplectens (9 revisions)
- Stenocereus (9 revisions)
- Delphinium nuttallii (9 revisions)
- Blechnum (9 revisions)
- Anemia adiantifolia (9 revisions)
- Ephedra californica (9 revisions)
- Enemion occidentale (9 revisions)
- Pinaceae Illustrations (9 revisions)
- Delphinium subsect. Echinata (9 revisions)
- Echinomastus mariposensis (9 revisions)
- Quercus chihuahuensis (9 revisions)
- Rivina (9 revisions)
- Nymphaea jamesoniana (9 revisions)
- Equisetum ×nelsonii (9 revisions)
- Pinus resinosa (9 revisions)
- Maclura (9 revisions)
- Platystemon (9 revisions)
- Pseudoditrichaceae Illustrations (9 revisions)
- Berberidaceae (9 revisions)
- Sclerocactus spinosior (9 revisions)
- Aquilegia coerulea var. alpina (9 revisions)
- Sesuvium trianthemoides (9 revisions)
- Thalictrum confine (9 revisions)
- Microseris (9 revisions)
- Hymenophyllum tayloriae (9 revisions)
- Polystichum braunii (9 revisions)
- Clematis vitalba (9 revisions)
- Aquilegia formosa var. hypolasia (9 revisions)
- Salviniaceae Illustrations (9 revisions)
- Annonaceae (9 revisions)
- Pediocactus peeblesianus subsp. peeblesianus (9 revisions)
- Castanea dentata (9 revisions)
- Trichostigma octandrum (9 revisions)
- Vitaceae (9 revisions)
- Isoëtes melanospora (9 revisions)
- Pellaea wrightiana (9 revisions)
- Diplazium esculentum (9 revisions)
- Persea humilis (9 revisions)
- Splachnaceae Illustrations (9 revisions)
- Cannabis sativa (9 revisions)
- Cactaceae subfam. Opuntioideae (9 revisions)
- Juncus vaseyi (9 revisions)
- Ranunculus occidentalis var. dissectus (9 revisions)
- Torreya (9 revisions)
- Pityrogramma trifoliata (9 revisions)
- Allium schoenoprasum (9 revisions)
- Carpinus caroliniana subsp. caroliniana (9 revisions)
- Papaver sect. Macrantha (9 revisions)
- Thymelaeaceae Illustrations (9 revisions)
- Achatocarpaceae Illustrations (9 revisions)
- Chelone obliqua var. erwiniae (9 revisions)
- Delphinium sutherlandii (9 revisions)
- Coryphantha robbinsorum (9 revisions)
- Brosimum alicastrum (9 revisions)
- Cylindropuntia tunicata (9 revisions)
- Arctomecon merriamii (9 revisions)
- Minuartia biflora (9 revisions)
- Ginkgo (9 revisions)
- Cheilanthes wrightii (9 revisions)
- Laënnecia eriophylla (9 revisions)
- Pentagramma triangularis subsp. semipallida (9 revisions)
- Nuphar ulvacea (9 revisions)
- Archidiaceae Illustrations (9 revisions)
- Collinsia linearis (9 revisions)
- Papaver mcconnellii (9 revisions)
- Ariocarpus (9 revisions)
- Ranunculus laxicaulis (9 revisions)
- Consolida tenuissima (9 revisions)
- Thelypteris subg. Meniscium (9 revisions)
- Lycopodium obscurum (9 revisions)
- Cheilanthes horridula (9 revisions)
- Amphiachyris amoena (9 revisions)
- Prosartes maculata (9 revisions)
- Eleocharis radicans (9 revisions)
- Planera aquatica (9 revisions)
- Bromeliaceae Illustrations (9 revisions)
- Quercus viminea (9 revisions)
- Nandina (9 revisions)
- Grusonia pulchella (9 revisions)
- Delphinium xantholeucum (9 revisions)
- Pentagramma triangularis subsp. maxonii (9 revisions)
- Athyrium (9 revisions)
- Lomariopsis kunzeana (9 revisions)
- Eriogonum hemipterum (9 revisions)
- Quercus macrocarpa (9 revisions)
- Papaver californicum (9 revisions)
- Capparaceae Illustrations (9 revisions)
- Thalictrum macrostylum (9 revisions)
- Hexastylis shuttleworthii var. shuttleworthii (9 revisions)
- Opuntia aciculata (9 revisions)
- Ulmus serotina (9 revisions)
- Campyloneurum angustifolium (9 revisions)
- Tectaria heracleifolia (9 revisions)
- Hamamelis virginiana (9 revisions)
- Juniperus osteosperma (9 revisions)
- Cryphaeaceae Illustrations (9 revisions)
- Anemone grayi (9 revisions)
- Delphinium decorum subsp. decorum (9 revisions)
- Opuntia littoralis (9 revisions)
- Cimicifuga americana (9 revisions)
- Cryptogramma sitchensis (9 revisions)
- Botrychium dissectum (9 revisions)
- Trichomanes (9 revisions)
- Cimicifuga racemosa (9 revisions)
- Dryopteridaceae Illustrations (9 revisions)
- Casuarinaceae (9 revisions)
- Ulmus procera (9 revisions)
- Opuntia pinkavae (9 revisions)
- Ranunculus adoneus (9 revisions)
- Abies lasiocarpa (9 revisions)
- Callitris glaucophylla (9 revisions)
- Erythranthe suksdorfii (9 revisions)
- Cheilanthes cooperae (9 revisions)
- Funariaceae Illustrations (9 revisions)
- Quercus minima (9 revisions)
- Delphinium sapellonis (9 revisions)
- Harrisia aboriginum (9 revisions)
- Achlys californica (9 revisions)
- Asplenium heterochroum (9 revisions)
- Zamia (9 revisions)
- Paronychia fastigiata (9 revisions)
- Ceratophyllum echinatum (9 revisions)
- Ranunculus flammula var. flammula (9 revisions)
- Hypericaceae Illustrations (9 revisions)
- Xylorhiza (9 revisions)
- Argemone albiflora subsp. albiflora (9 revisions)
- Delphinium polycladon (9 revisions)
- Talinum paniculatum (9 revisions)
- Selaginella subg. Selaginella (9 revisions)
- Crossidium crassinervium (9 revisions)
- Cryptogramma (9 revisions)
- Aquilegia coerulea var. coerulea (9 revisions)
- Botrychium subg. Botrychium (9 revisions)
- Achlys (9 revisions)
- Leptodontaceae Illustrations (9 revisions)
- Oönopsis engelmannii (9 revisions)
- Delphinium trolliifolium (9 revisions)
- Celtis (9 revisions)
- Echinocereus coccineus (9 revisions)
- Mirabilis latifolia (9 revisions)
- Equisetum telmateia subsp. braunii (9 revisions)
- Pteris cretica var. cretica (9 revisions)
- Pellaea bridgesii (9 revisions)
- Urtica chamaedryoides (9 revisions)
- Boehmeria cylindrica (9 revisions)
- Menispermaceae Illustrations (9 revisions)
- Agave americana var. americana (9 revisions)
- Portulaca amilis (9 revisions)
- Menispermum (9 revisions)
- Selenicereus spinulosus (9 revisions)
- Abronia macrocarpa (9 revisions)
- Delphinium hansenii subsp. kernense (9 revisions)
- Sequoiadendron (9 revisions)
- Lomariopsis (9 revisions)
- Asplenium auritum (9 revisions)
- Thalictrum (9 revisions)
- Parkeriaceae (9 revisions)
- Nymphaeaceae Illustrations (9 revisions)
- Quercus shumardii (9 revisions)
- Stenocereus thurberi (9 revisions)
- Abronia umbellata var. umbellata (9 revisions)
- Quercus stellata (9 revisions)
- Matteuccia (9 revisions)
- Juniperus monosperma (9 revisions)
- Cabomba caroliniana (9 revisions)
- Dendromecon (9 revisions)
- Piperaceae Illustrations (9 revisions)
- Peperomia amplexicaulis (9 revisions)
- Echinomastus warnockii (9 revisions)
- Lithocarpus densiflorus var. densiflorus (9 revisions)
- Pisonia (9 revisions)
- Delphinium recurvatum (9 revisions)
- Notholaena lemmonii (9 revisions)
- Eriogonum douglasii (9 revisions)
- Soleirolia (9 revisions)
- Psilotaceae Illustrations (9 revisions)
- Vancouveria planipetala (9 revisions)
- Sclerocactus blainei (9 revisions)
- Dorstenia contrajerva (9 revisions)
- Sesuvium portulacastrum (9 revisions)
- Macleaya (9 revisions)
- Lygodium microphyllum (9 revisions)
- Cheilanthes gracillima (9 revisions)
- Viola orbiculata (9 revisions)
- Eriogonum arcuatum (9 revisions)
- Nelumbo lutea (9 revisions)
- Delphinium patens subsp. hepaticoideum (9 revisions)
- Sapotaceae Illustrations (9 revisions)
- Grimmia plagiopodia (9 revisions)
- Iris (sect. Limniris) ser. Californicae (9 revisions)
- Pediocactus peeblesianus subsp. fickeiseniae (9 revisions)
- Juncus dubius (9 revisions)
- Aquilegia canadensis (9 revisions)
- Conicosia (9 revisions)
- Nectandra coriacea (9 revisions)
- Pteris tripartita (9 revisions)
- Botrychium echo (9 revisions)
- Astrolepis (9 revisions)
- Eriogonum pyrolifolium (9 revisions)
- Leitneria floridana (9 revisions)
- Splachnobryaceae Illustrations (9 revisions)
- Andreaea rupestris (9 revisions)
- Iris (sect. Limniris) ser. Laevigatae (9 revisions)
- Dicentra pauciflora (9 revisions)
- Hamatocactus bicolor (9 revisions)
- Tradescantia wrightii (9 revisions)
- Nymphaea (9 revisions)
- Cylindropuntia (9 revisions)
- Berberis trifoliolata (9 revisions)
- Polystichum acrostichoides (9 revisions)
- Sequoia sempervirens (9 revisions)
- Comptonia peregrina (9 revisions)
- Quercus chapmanii (9 revisions)
- Timmiaceae Illustrations (9 revisions)
- Acoraceae Illustrations (9 revisions)
- Chionophila (9 revisions)
- Celtis lindheimeri (9 revisions)
- Coryphantha missouriensis (9 revisions)
- Delphinium nuttallianum (9 revisions)
- Cylindropuntia davisii (9 revisions)
- Quercus ajoensis (9 revisions)
- Selaginella hansenii (9 revisions)
- Pteridium aquilinum var. caudatum (9 revisions)
- Corrigiola litoralis (9 revisions)
- Eriogonum zionis (9 revisions)
- Ranunculus canus var. canus (9 revisions)
- Arecaceae Illustrations (9 revisions)
- Arceuthobium campylopodum subsp. siskiyouense (9 revisions)
- Collinsia rattanii (9 revisions)
- Adonis (9 revisions)
- Anulocaulis (9 revisions)
- Cylindropuntia acanthocarpa var. acanthocarpa (9 revisions)
- Eriocaulon compressum (9 revisions)
- Ranunculus eschscholtzii var. trisectus (9 revisions)
- Ginkgo biloba (9 revisions)
- Cheilanthes wootonii (9 revisions)
- Woodsia obtusa subsp. occidentalis (9 revisions)
- Arctomecon humilis (9 revisions)
- Bruchiaceae Illustrations (9 revisions)
- Persea borbonia (9 revisions)
- Delphinium carolinianum subsp. carolinianum (9 revisions)
- Opuntia (9 revisions)
- Delphinium variegatum subsp. kinkiense (9 revisions)
- Erigeron strigosus var. septentrionalis (9 revisions)
- Cheilanthes covillei (9 revisions)
- Thelypteris resinifera (9 revisions)
- Picea rubens (9 revisions)
- Corydalis aurea subsp. aurea (9 revisions)
- Caricaceae Illustrations (9 revisions)
- Chrysolepis chrysophylla var. chrysophylla (9 revisions)
- Enemion savilei (9 revisions)
- Polypodium triseriale (9 revisions)
- Isoëtes maritima (9 revisions)
- Pentagramma pallida (9 revisions)
- Ranunculus subg. Ceratocephala (9 revisions)
- Brosimum (9 revisions)
- Cucurbitaceae Illustrations (9 revisions)
- Delphinium hansenii (9 revisions)
- Carya aquatica (9 revisions)
- Delphinium parryi subsp. parryi (9 revisions)
- Grammitidaceae (9 revisions)
- Eriogonum deflexum (9 revisions)
- Isoëtes tegetiformans (9 revisions)
- Papaver rhoeas (9 revisions)
- Ebenaceae Illustrations (9 revisions)
- Euphorbia (9 revisions)
- Delphinium andesicola (9 revisions)
- Thalictrum debile (9 revisions)
- Opuntia fragilis (9 revisions)
- Litsea aestivalis (9 revisions)
- Ephedraceae (9 revisions)
- Pinus albicaulis (9 revisions)
- Azolla mexicana (9 revisions)
- Eriogonum tenellum (9 revisions)
- Papaver sect. Meconella (9 revisions)
- Aspleniaceae (9 revisions)
- Anemone multifida var. multifida (9 revisions)
- Gigaspermaceae Illustrations (9 revisions)
- Aristolochia watsonii (9 revisions)
- Quercus michauxii (9 revisions)
- Harrisia simpsonii (9 revisions)
- Papaver sect. Argemonidium (9 revisions)
- Pinus longaeva (9 revisions)
- Pinus attenuata (9 revisions)
- Pecluma plumula (9 revisions)
- Pouzolzia (9 revisions)
- Hypnaceae Illustrations (9 revisions)
- Akebia (9 revisions)
- Eschscholzia parishii (9 revisions)
- Boerhavia linearifolia (9 revisions)
- Basellaceae (9 revisions)
- Juncus acutus subsp. leopoldii (9 revisions)
- Pellaea truncata (9 revisions)
- Juniperus occidentalis var. australis (9 revisions)
- Selaginella rupestris (9 revisions)
- Carya ovata var. ovata (9 revisions)
- Deparia petersenii (9 revisions)
- Ranunculus oresterus (9 revisions)
- Leskeaceae Illustrations (9 revisions)
- Phytolaccaceae (9 revisions)
- Aristolochia erecta (9 revisions)
- Echinocereus viridiflorus (9 revisions)
- Mirabilis glabra (9 revisions)
- Quercus gravesii (9 revisions)
- Polystichum imbricans subsp. imbricans (9 revisions)
- Botrychium simplex (9 revisions)
- Eriogonum corymbosum var. glutinosum (9 revisions)
- Betula pendula (9 revisions)
- Pellaea cordifolia (9 revisions)
- Podophyllum (9 revisions)
- Meteoriaceae Illustrations (9 revisions)
- Agave americana var. expansa (9 revisions)
- Portulaca biloba (9 revisions)
- Anemone americana (9 revisions)
- Selenicereus pteranthus (9 revisions)
- Abronia elliptica (9 revisions)
- Ranunculus micranthus (9 revisions)
- Polystichum microchlamys (9 revisions)
- Isoëtes lithophila (9 revisions)
- Pleopeltis astrolepis (9 revisions)
- Polystichum californicum (9 revisions)
- Corydalis caseana subsp. cusickii (9 revisions)
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- Ostrya chisosensis (9 revisions)
- Echinocactus (9 revisions)
- Abronia umbellata var. acutalata (9 revisions)
- Juncus hemiendytus (9 revisions)
- Illicium floridanum (9 revisions)
- Juniperus ashei (9 revisions)
- Taxus floridana (9 revisions)
- Carex chordorrhiza (9 revisions)
- Anemiaceae (9 revisions)
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- Pisonia aculeata (9 revisions)
- Chrysolepis chrysophylla var. minor (9 revisions)
- Thelypteris (9 revisions)
- Polystichum (9 revisions)
- Ranunculus muricatus (9 revisions)
- Quercus robur (9 revisions)
- Pteridaceae Illustrations (9 revisions)
- Delphinium nuttallii subsp. nuttallii (9 revisions)
- Sclerocactus sileri (9 revisions)
- Sagittaria montevidensis subsp. calycina (9 revisions)
- Soleirolia soleirolii (9 revisions)
- Sesuvium verrucosum (9 revisions)
- Myosurus minimus (9 revisions)
- Selaginella douglasii (9 revisions)
- Asplenium resiliens (9 revisions)
- Polystichum kruckebergii (9 revisions)
- Quercus engelmannii (9 revisions)
- Papaver somniferum (9 revisions)
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- Grimmia anodon (9 revisions)
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- Pediocactus bradyi (9 revisions)
- Helleborus viridis (9 revisions)
- Conicosia pugioniformis (9 revisions)
- Hypnum recurvatum (9 revisions)
- Campyloneurum (9 revisions)
- Sphagnum platyphyllum (9 revisions)
- Isoëtes melanopoda (9 revisions)
- Microgramma (9 revisions)
- Ranunculus platensis (9 revisions)
- Delphinium madrense (9 revisions)
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- Quercus dumosa (9 revisions)
- Coryphantha (9 revisions)
- Corydalis caseana subsp. caseana (9 revisions)
- Cylindropuntia leptocaulis (9 revisions)
- Glaucium corniculatum (9 revisions)
- Pinus echinata (9 revisions)
- Psilotum nudum (9 revisions)
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- Anemone canadensis (9 revisions)
- Calopogon barbatus (9 revisions)
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- Clematis columbiana var. columbiana (9 revisions)
- Coryphantha minima (9 revisions)
- Quercus pacifica (9 revisions)
- Achatocarpaceae (9 revisions)
- Sparganium hyperboreum (9 revisions)
- Alnus oblongifolia (9 revisions)
- Asplenium vespertinum (9 revisions)
- Isoëtes engelmannii (9 revisions)
- Tectaria incisa (9 revisions)
- Ranunculus uncinatus (9 revisions)
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- Berberis harrisoniana (9 revisions)
- Ariocarpus fissuratus (9 revisions)
- Chrysolepis (9 revisions)
- Cylindropuntia acanthocarpa var. thornberi (9 revisions)
- Dicentra canadensis (9 revisions)
- Juniperus deppeana var. deppeana (9 revisions)
- Ephedra funerea (9 revisions)
- Isoëtes bolanderi (9 revisions)
- Chorizanthe brevicornu (9 revisions)
- Ranunculus hystriculus (9 revisions)
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- Collinsia heterophylla (9 revisions)
- Berberis pinnata (9 revisions)
- Myrica californica (9 revisions)
- Opuntia pusilla (9 revisions)
- Erigeron strigosus var. strigosus (9 revisions)
- Arachniodes simplicior (9 revisions)
- Pleopeltis (9 revisions)
- Laënnecia turnerorum (9 revisions)
- Pinus palustris (9 revisions)
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- Opuntia engelmannii var. engelmannii (9 revisions)
- Coptis laciniata (9 revisions)
- Crataegus (sect. Unassigned) ser. Montaninsulae (9 revisions)
- Adiantum pedatum (9 revisions)
- Pteris vittata (9 revisions)
- Asplenium adiantum-nigrum (9 revisions)
- Lithocarpus densiflorus var. echinoides (9 revisions)
- Parietaria hespera var. hespera (9 revisions)
- Cupressaceae Illustrations (9 revisions)
- Caulophyllum giganteum (9 revisions)
- Quercus intricata (9 revisions)
- Opuntia ×occidentalis (9 revisions)
- Delphinium subsect. Subscaposa (9 revisions)
- Crataegus ×latebrosa (9 revisions)
- Selaginella wallacei (9 revisions)
- Notholaena californica subsp. californica (9 revisions)
- Pinus edulis (9 revisions)
- Carya cordiformis (9 revisions)
- Thelypteris augescens (9 revisions)
- Aquilegia flavescens (9 revisions)
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- Aquilegia barnebyi (9 revisions)
- Opuntia ×columbiana (9 revisions)
- Carya glabra (9 revisions)
- Cystopteris protrusa (9 revisions)
- Polystichum setigerum (9 revisions)
- Pinus torreyana subsp. insularis (9 revisions)
- Carex fuliginosa (9 revisions)
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- Diplazium lonchophyllum (9 revisions)
- Cheiroglossa (9 revisions)
- Alnus rhombifolia (9 revisions)
- Abies amabilis (9 revisions)
- Delphinium californicum subsp. interius (9 revisions)
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- Echinocereus stramineus var. stramineus (9 revisions)
- Anredera (9 revisions)
- Ficus benjamina (9 revisions)
- Osmundaceae (9 revisions)
- Juniperus communis var. megistocarpa (9 revisions)
- Thelypteris tetragona (9 revisions)
- Ranunculus (9 revisions)
- Botrychium subg. Osmundopteris (9 revisions)
- Eschscholzia lemmonii subsp. lemmonii (9 revisions)
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- Oönopsis foliosa (9 revisions)
- Phytolacca americana var. rigida (9 revisions)
- Clematis viorna (9 revisions)
- Echinocereus davisii (9 revisions)
- Mirabilis austrotexana (9 revisions)
- Parietaria praetermissa (9 revisions)
- Thelypteris interrupta (9 revisions)
- Botrychium mormo (9 revisions)
- Herniaria hirsuta (9 revisions)
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- Portulaca grandiflora (9 revisions)
- Boerhavia triquetra (9 revisions)
- Tradescantia subacaulis (9 revisions)
- Abronia bolackii (9 revisions)
- Luzula subg. Anthelaea (9 revisions)
- Clematis subg. Viorna (9 revisions)
- Callitris (9 revisions)
- Pityrogramma (9 revisions)
- Pellaea mucronata subsp. californica (9 revisions)
- Eriogonum brevicaule (9 revisions)
- Ranunculus marginatus (9 revisions)
- Selaginella uncinata (9 revisions)
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- Ranunculus hebecarpus (9 revisions)
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- Anemone quinquefolia var. minima (9 revisions)
- Abronia umbellata var. breviflora (9 revisions)
- Ranunculus acriformis var. montanensis (9 revisions)
- Ulmus parvifolia (9 revisions)
- Isoëtes howellii (9 revisions)
- Pilularia (9 revisions)
- Mirabilis laevis var. villosa (9 revisions)
- Tephroseris lindstroemii (9 revisions)
- Clematis occidentalis var. grosseserrata (9 revisions)
- Selaginella braunii (9 revisions)
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- Echinomastus intertextus var. intertextus (9 revisions)
- Quercus virginiana (9 revisions)
- Pisonia capitata (9 revisions)
- Jeffersonia diphylla (9 revisions)
- Woodsia oregana subsp. cathcartiana (9 revisions)
- Polypodium calirhiza (9 revisions)
- Delphinium gypsophilum subsp. parviflorum (9 revisions)
- Saussurea angustifolia (9 revisions)
- Stylophorum (9 revisions)
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- Magnolia ashei (9 revisions)
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- Dysphania subsect. Botrys (9 revisions)
- Cabomba (9 revisions)
- Elodium elodioides (9 revisions)
- Pinus muricata (9 revisions)
- Pinus elliottii var. densa (9 revisions)
- Ranunculus sect. Hecatonia (9 revisions)
- Delphinium glareosum (9 revisions)
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- Grimmia americana (9 revisions)
- Iris douglasiana (9 revisions)
- Ostrya virginiana (9 revisions)
- Pediocactus paradinei (9 revisions)
- Hexastylis arifolia var. ruthii (9 revisions)
- Malephora (9 revisions)
- Celtis tenuifolia (9 revisions)
- Botrychium ascendens (9 revisions)
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- Maxonia (9 revisions)
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- Coryphantha macromeris (9 revisions)
- Roemeria (9 revisions)
- Cylindropuntia arbuscula (9 revisions)
- Pilea (9 revisions)
- Abies bracteata (9 revisions)
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- Coryphantha hesteri (9 revisions)
- Carya floridana (9 revisions)
- Cylindropuntia whipplei (9 revisions)
- Ranunculus turneri (9 revisions)
- Pinus sylvestris var. sylvestris (9 revisions)
- Ephedra aspera (9 revisions)
- Argyrochosma jonesii (9 revisions)
- Spergularia platensis (9 revisions)
- Argemone aurantiaca (9 revisions)
- Quercus mohriana (9 revisions)
- Aspleniaceae Illustrations (9 revisions)
- Collinsia sparsiflora var. sparsiflora (9 revisions)
- Quercus laevis (9 revisions)
- Ariocarpus fissuratus var. fissuratus (9 revisions)
- Glaucium (9 revisions)
- Cylindropuntia acanthocarpa var. coloradensis (9 revisions)
- Juncus dichotomus (9 revisions)
- Phyllanthus abnormis var. abnormis (9 revisions)
- Donrichardsia macroneuron (9 revisions)
- Canbya candida (9 revisions)
- Grammitis nimbata (9 revisions)
- Notholaena greggii (9 revisions)
- Lorandersonia (9 revisions)
- Isoëtes georgiana (9 revisions)
- Quercus bicolor (9 revisions)
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- Quercus carmenensis (9 revisions)
- Ranunculus occidentalis var. hexasepalus (9 revisions)
- Nyctaginaceae (9 revisions)
- Quercus durata var. gabrielensis (9 revisions)
- Asplenium trichomanes-dentatum (9 revisions)
- Ephedra pedunculata (9 revisions)
- Ophioglossum pusillum (9 revisions)
- Carex paeninsulae (9 revisions)
- Schoenoplectus (9 revisions)
- Fatoua villosa (9 revisions)
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- Bucklandiella macounii subsp. alpina (9 revisions)
- Carya texana (9 revisions)
- Rumex (9 revisions)
- Quercus garryana var. semota (9 revisions)
- Opuntia engelmannii var. linguiformis (9 revisions)
- Betula populifolia (9 revisions)
- Anemia (9 revisions)
- Chrysothamnus scopulorum (9 revisions)
- Ephedra nevadensis (9 revisions)
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- Licaria (9 revisions)
- Spiraea ×hitchcockii (9 revisions)
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- Ranunculus triternatus (9 revisions)
- Corydalis curvisiliqua subsp. curvisiliqua (9 revisions)
- Opuntia microdasys (9 revisions)
- Quercus similis (9 revisions)
- Polystichum dudleyi (9 revisions)
- Solidago multiradiata (9 revisions)
- Ranunculus lobbii (9 revisions)
- Nephrolepis ×averyi (9 revisions)
- Myrica heterophylla (9 revisions)
- Entodontaceae Illustrations (9 revisions)
- Ranunculus alismifolius var. hartwegii (9 revisions)
- Delphinium brachycentrum (9 revisions)
- Delphinium parryi subsp. blochmaniae (9 revisions)
- Spergularia media (9 revisions)
- Selaginella weatherbiana (9 revisions)
- Zamia integrifolia (9 revisions)
- Thelypteris subg. Stegnogramma (9 revisions)
- Anemone caroliniana (9 revisions)
- Berberis pinnata subsp. pinnata (9 revisions)
- Gleicheniaceae Illustrations (9 revisions)
- Clematis drummondii (9 revisions)
- Vancouveria hexandra (9 revisions)
- Asimina incana (9 revisions)
- Thelypteris pilosa var. alabamensis (9 revisions)
- Ephedra torreyana (9 revisions)
- Eriogonum subg. Oligogonum (9 revisions)
- Delphinium basalticum (9 revisions)
- Phanerophlebia umbonata (9 revisions)
- Juglandaceae (9 revisions)
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- Nuphar sagittifolia (9 revisions)
- Echinocereus papillosus (9 revisions)
- Tillandsia bartramii (9 revisions)
- Mirabilis linearis var. subhispida (9 revisions)
- Quercus chrysolepis (9 revisions)
- Silene greenei subsp. angustifolia (9 revisions)
- Botrychium crenulatum (9 revisions)
- Abies fraseri (9 revisions)
- Juniperus sect. Sabina (9 revisions)
- Ranunculus austro-oreganus (9 revisions)
- Woodsia (9 revisions)
- Eschscholzia glyptosperma (9 revisions)
- Leucodontaceae Illustrations (9 revisions)
- Anemone occidentalis (9 revisions)
- Echinocereus berlandieri (9 revisions)
- Phytolacca bogotensis (9 revisions)
- Cheilanthes villosa (9 revisions)
- Pinus torreyana subsp. torreyana (9 revisions)
- Acrostichum aureum (9 revisions)
- Eriogonum luteolum (9 revisions)
- Juniperus californica (9 revisions)
- Delphinium sect. Elatopsis (9 revisions)
- Mniaceae Illustrations (9 revisions)
- Portulaca halimoides (9 revisions)
- Ranunculus subg. Ranunculus (9 revisions)
- Epiphyllum (9 revisions)
- Abronia argillosa (9 revisions)
- Juncus hallii (9 revisions)
- Cheilanthes fendleri (9 revisions)
- Asplenium verecundum (9 revisions)
- Pteridium aquilinum var. pseudocaudatum (9 revisions)
- Eriogonum baileyi (9 revisions)
- Eriogonum heracleoides (9 revisions)
- Trollius riederianus (9 revisions)
- Equisetum laevigatum (9 revisions)
- Dicentra (9 revisions)
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- Quercus geminata (9 revisions)
- Berberis (9 revisions)
- Abronia latifolia (9 revisions)
- Clematis baldwinii (9 revisions)
- Nigella (9 revisions)
- Hygroamblystegium varium var. varium (9 revisions)
- Palhinhaea cernua (9 revisions)
- Aspidotis carlotta-halliae (9 revisions)
- Argemone pleiacantha subsp. pinnatisecta (9 revisions)
- Selaginella acanthonota (9 revisions)
- Delphinium patens subsp. montanum (9 revisions)
- Pleuroziopsaceae Illustrations (9 revisions)
- Ranunculus allegheniensis (9 revisions)
- Boerhavia wrightii (9 revisions)
- Atriplex cordulata var. erecticaulis (9 revisions)
- Myosurus nitidus (9 revisions)
- Pisonia rotundata (9 revisions)
- Cucurbita melopepo var. melopepo (9 revisions)
- Nymphaea tetragona (9 revisions)
- Papaver pygmaeum (9 revisions)
- Malus (9 revisions)
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- Morus (9 revisions)
- Sclerocactus nyensis (9 revisions)
- Juncus subg. Septati (9 revisions)
- Delphinium geyeri (9 revisions)
- Cypselea humifusa (9 revisions)
- Stuckenia striata (9 revisions)
- Anemone narcissiflora var. villosissima (9 revisions)
- Salviniaceae (9 revisions)
- Juniperus scopulorum (9 revisions)
- Selaginella eremophila (9 revisions)
- Berberis haematocarpa (9 revisions)
- Betula pubescens subsp. pubescens (9 revisions)
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- Grimmia crinitoleucophaea (9 revisions)
- Casuarina (9 revisions)
- Petiveria (9 revisions)
- Asimina longifolia var. spatulata (9 revisions)
- Malephora crocea (9 revisions)
- Notholaena californica subsp. leucophylla (9 revisions)
- Thelypteris subg. Lastrea (9 revisions)
- Hesperomecon (9 revisions)
- Delphinium robustum (9 revisions)
- Stereophyllaceae Illustrations (9 revisions)
- Hippuris montana (9 revisions)
- Coryphantha nickelsiae (9 revisions)
- Cylindropuntia ×tetracantha (9 revisions)
- Aquilegia chaplinei (9 revisions)
- Woodwardia virginica (9 revisions)
- Abies concolor (9 revisions)
- Cheilanthes eatonii (9 revisions)
- Calycocarpum (9 revisions)
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- Chionophila tweedyi (9 revisions)
- Coryphantha chlorantha (9 revisions)
- Carpinus (9 revisions)
- Cylindropuntia spinosior (9 revisions)
- Anemone multifida var. saxicola (9 revisions)
- Pinus contorta var. contorta (9 revisions)
- Isoëtes louisianensis (9 revisions)
- Botrychium campestre (9 revisions)
- Cocculus (9 revisions)
- Polytrichastrum (9 revisions)
- Collinsia sparsiflora var. collina (9 revisions)
- Quercus ilicifolia (9 revisions)
- Lophophora (9 revisions)
- Castanea (9 revisions)
- Cylindropuntia acanthocarpa var. major (9 revisions)
- Delphinium decorum (9 revisions)
- Thelypteris ovata var. ovata (9 revisions)
- Lorandersonia baileyi (9 revisions)
- Alnus incana subsp. tenuifolia (9 revisions)
- Burmanniaceae Illustrations (9 revisions)
- Pilea herniarioides (9 revisions)
- Delphinium glaucescens (9 revisions)
- Opuntia triacantha (9 revisions)
- Ranunculus gelidus (9 revisions)
- Isoëtes prototypus (9 revisions)
- Ophioglossum petiolatum (9 revisions)
- Eriogonum alatum (9 revisions)
- Eriogonum nudum (9 revisions)
- Delphinium umbraculorum (9 revisions)
- Catoscopiaceae Illustrations (9 revisions)
- Bucklandiella occidentalis (9 revisions)
- Corydalis caseana subsp. brachycarpa (9 revisions)
- Papaver nudicaule subsp. americanum (9 revisions)
- Opuntia engelmannii var. lindheimeri (9 revisions)
- Guzmania (9 revisions)
- Aristolochia serpentaria (9 revisions)
- Thelypteris patens var. patens (9 revisions)
- Cheilanthes lanosa (9 revisions)
- Chrysothamnus stylosus (9 revisions)
- Cheilanthes tomentosa (9 revisions)
- Drymaria glandulosa (9 revisions)
- Delphinium nudicaule (9 revisions)
- Diplazium (9 revisions)
- Clematis morefieldii (9 revisions)
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- Clematis socialis (9 revisions)
- Crataegus ×lucorum (9 revisions)
- Isoëtes caroliniana (9 revisions)
- Diphasiastrum tristachyum (9 revisions)
- Ephedra coryi (9 revisions)
- Eriogonum ovalifolium (9 revisions)
- Argemone squarrosa subsp. squarrosa (9 revisions)
- Isoëtes riparia (9 revisions)
- Trollius (9 revisions)
- Ephedraceae Illustrations (9 revisions)
- Licaria triandra (9 revisions)
- Eschscholzia californica subsp. mexicana (9 revisions)
- Opuntia polyacantha var. polyacantha (9 revisions)
- Argemone chisosensis (9 revisions)
- Notholaena (9 revisions)
- Thuja plicata (9 revisions)
- Botrychium pallidum (9 revisions)
- Polygonaceae (9 revisions)
- Delphinium uliginosum (9 revisions)
- Dennstaedtia globulifera (9 revisions)
- Annona (9 revisions)
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- Braya (9 revisions)
- Fumaria vaillantii (9 revisions)
- Aquilegia scopulorum (9 revisions)
- Acanthocereus tetragonus (9 revisions)
- Portulaca pilosa (9 revisions)
- Berberis piperiana (9 revisions)
- Lycopodiella prostrata (9 revisions)
- Ranunculus orthorhynchus var. platyphyllus (9 revisions)
- Polypodium hesperium (9 revisions)
- Papaveraceae (9 revisions)
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- Agave (9 revisions)
- Ranunculus glacialis var. glacialis (9 revisions)
- Echinocereus pectinatus (9 revisions)
- Anredera cordifolia (9 revisions)
- Pecluma (9 revisions)
- Marsilea macropoda (9 revisions)
- Cystopteris laurentiana (9 revisions)
- Anemone edwardsiana var. petraea (9 revisions)
- Leucophanaceae Illustrations (9 revisions)
- Phemeranthus longipes (9 revisions)
- Echinocereus pentalophus (9 revisions)
- Mirabilis texensis (9 revisions)
- Astrolepis windhamii (9 revisions)
- Tsuga heterophylla (9 revisions)
- Aconitum reclinatum (9 revisions)
- Pinus strobiformis (9 revisions)
- Parietaria (9 revisions)
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- Portulaca oleracea (9 revisions)
- Meconella (9 revisions)
- Atriplex saccaria var. asterocarpa (9 revisions)
- Abronia carletonii (9 revisions)
- Juncus cooperi (9 revisions)
- Delphinium bicolor subsp. bicolor (9 revisions)
- Athyrium filix-femina var. cyclosorum (9 revisions)
- Larix lyallii (9 revisions)
- Eranthis hyemalis (9 revisions)
- Hymenophyllum tunbrigense (9 revisions)
- Ranunculus californicus var. californicus (9 revisions)
- Orthodontiaceae Illustrations (9 revisions)
- Berberis higginsiae (9 revisions)
- Echinocactus polycephalus var. polycephalus (9 revisions)
- Argemone munita subsp. rotundata (9 revisions)
- Phytolacca octandra (9 revisions)
- Ranunculus subg. Batrachium (9 revisions)
- Myricaceae (9 revisions)
- Woodsia scopulina subsp. appalachiana (9 revisions)
- Cistanthe umbellata (9 revisions)
- Ranunculus alismifolius var. davisii (9 revisions)
- Odontosoria (9 revisions)
- Laportea canadensis (9 revisions)
- Plumbaginaceae Illustrations (9 revisions)
- Echinomastus intertextus var. dasyacanthus (9 revisions)
- Juncus parryi (9 revisions)
- Schisandra glabra (9 revisions)
- Guapira (9 revisions)
- Juncus debilis (9 revisions)
- Delphinium bakeri (9 revisions)
- Cucurbita melopepo subsp. texana (9 revisions)
- Selaginella lepidophylla (9 revisions)
- Eriogonum prociduum (9 revisions)
- Eriophorum callitrix (9 revisions)
- Delphinium (9 revisions)
- Quercus imbricaria (9 revisions)
- Betulaceae subfam. Coryloideae (9 revisions)
- Racopilaceae Illustrations (9 revisions)
- Sclerocactus papyracanthus (9 revisions)
- Quercus lyrata (9 revisions)
- Trichostigma (9 revisions)
- Dysphania subsect. Incisa (9 revisions)
- Papaver macounii subsp. macounii (9 revisions)
- Polystichum lemmonii (9 revisions)
- Pellaea (9 revisions)
- Isoëtes nuttallii (9 revisions)
- Sanguinaria canadensis (9 revisions)
- Scheuchzeriaceae Illustrations (9 revisions)
- Callitriche brutia var. hamulata (9 revisions)
- Cinnamomum (9 revisions)
- Boerhavia torreyana (9 revisions)
- Clematis fremontii (9 revisions)
- Delosperma (9 revisions)
- Sagittaria platyphylla (9 revisions)
- Celtis reticulata (9 revisions)
- Selaginella bigelovii (9 revisions)
- Selaginella arizonica (9 revisions)
- Lygodium palmatum (9 revisions)
- Eriogonum lachnogynum (9 revisions)
- Enemion (9 revisions)
- Dicentra eximia (9 revisions)
- Styracaceae Illustrations (9 revisions)
- Ficus (9 revisions)
- Coryphantha ramillosa (9 revisions)
- Cylindropuntia kleiniae (9 revisions)
- Juncaceae (9 revisions)
- Clematis lasiantha (9 revisions)
- Lygodium (9 revisions)
- Thelypteris subg. Goniopteris (9 revisions)
- Dicranopteris (9 revisions)
- Eriogonum kennedyi (9 revisions)
- Ranunculus populago (9 revisions)
- Ulmaceae Illustrations (9 revisions)
- Aloaceae Illustrations (9 revisions)
- Collinsia (9 revisions)
- Thalictrum sect. Omalophysa (9 revisions)
- Coryphantha alversonii (9 revisions)
- Clematis subg. Atragene (9 revisions)
- Hexastylis shuttleworthii var. harperi (9 revisions)
- Abies grandis (9 revisions)
- Rhynchospora megaplumosa (9 revisions)
- Celtis occidentalis (9 revisions)
- Thalictrum polycarpum (9 revisions)
- Aulacomniaceae Illustrations (9 revisions)
- Krameria lanceolata (9 revisions)
- Quercus marilandica (9 revisions)
- Lophophora williamsii (9 revisions)
- Papaver argemone (9 revisions)
- Cylindropuntia wolfii (9 revisions)
- Ficus americana (9 revisions)
- Selaginella mutica var. mutica (9 revisions)
- Pleopeltis polylepis var. erythrolepis (9 revisions)
- Lorandersonia linifolia (9 revisions)
- Bommeria hispida (9 revisions)
- Platanus racemosa (9 revisions)
- Butomaceae Illustrations (9 revisions)
- Clematis ligusticifolia (9 revisions)
- Corydalis curvisiliqua subsp. grandibracteata (9 revisions)
- Opuntia cubensis (9 revisions)
- Chenopodium subsect. Chenopodium (9 revisions)
- Thalictrum texanum (9 revisions)
- Selaginella scopulorum (9 revisions)
- Berberis fendleri (9 revisions)
- Castanea ozarkensis (9 revisions)
- Ceratophyllaceae Illustrations (9 revisions)
- Asarum marmoratum (9 revisions)
- Delphinium treleasei (9 revisions)
- Opuntia engelmannii var. flavispina (9 revisions)
- Litsea (9 revisions)
- Dennstaedtia (9 revisions)
- Dennstaedtia bipinnata (9 revisions)
- Equisetum ramosissimum subsp. ramosissimum (9 revisions)
- Mikania batatifolia (9 revisions)
- Adlumia fungosa (9 revisions)
- Isoëtes (9 revisions)
- Lindera benzoin (9 revisions)
- Cyrillaceae Illustrations (9 revisions)
- Humulus lupulus var. neomexicanus (9 revisions)
- Ulmus rubra (9 revisions)
- Opuntia rufida (9 revisions)
- Myrica cerifera (9 revisions)
- Scleranthus annuus (9 revisions)
- Woodwardia areolata (9 revisions)
- Polystichum imbricans subsp. curtum (9 revisions)
- Fumaria capreolata (9 revisions)
- Selaginella subg. Tetragonostachys (9 revisions)
- Carya illinoinensis (9 revisions)
- Petrophytum caespitosum subsp. acuminatum (9 revisions)
- Ephemeraceae Illustrations (9 revisions)
- Cakile edentula var. edentula (9 revisions)
- Nuphar (9 revisions)
- Platanus occidentalis (9 revisions)
- Opuntia polyacantha var. arenaria (9 revisions)
- Quercus grisea (9 revisions)
- Selaginella rupincola (9 revisions)
- Cystopteris reevesiana (9 revisions)
- Umbellularia californica var. californica (9 revisions)
- Argyrochosma microphylla (9 revisions)
- Thalictrum thalictroides (9 revisions)
- Grimmiaceae Illustrations (9 revisions)
- Quercus (9 revisions)
- Delphinium wootonii (9 revisions)
- Agdestis clematidea (9 revisions)
- Atriplex sect. Atriplex (9 revisions)
- Portulaca rubricaulis (9 revisions)
- Delphinium variegatum subsp. variegatum (9 revisions)
- Pinus engelmannii (9 revisions)
- Thelypteris ovata var. lindheimeri (9 revisions)
- Nephrolepis cordifolia (9 revisions)
- Boehmeria (9 revisions)
- Pinaceae (9 revisions)
- Adlumia (9 revisions)
- Isoëtaceae Illustrations (9 revisions)
- Sinapis alba (9 revisions)
- Delphinium scaposum (9 revisions)
- Carya ovata var. australis (9 revisions)
- Echinocereus pectinatus var. wenigeri (9 revisions)
- Anredera vesicaria (9 revisions)
- Delphinium parishii subsp. pallidum (9 revisions)
- Pinus virginiana (9 revisions)
- Hygrohypnum montanum (9 revisions)
- Botrychium pseudopinnatum (9 revisions)
- Callirhoë (9 revisions)
- Salix ×smithiana (9 revisions)
- Corydalis flavula (9 revisions)
- Selaginella mutica var. limitanea (9 revisions)
- Quercus ellipsoidalis (9 revisions)
- Liliaceae Illustrations (9 revisions)
- Phemeranthus marginatus (9 revisions)
- Canbya aurea (9 revisions)
- Echinocereus chisosensis (9 revisions)
- Nyctaginia (9 revisions)
- Ranunculus canus var. ludovicianus (9 revisions)
- Trichomanes punctatum subsp. floridanum (9 revisions)
- Botrychium lanceolatum subsp. angustisegmentum (9 revisions)
- Asplenium adulterinum (9 revisions)
- Ulmus thomasii (9 revisions)
- Torreya californica (9 revisions)
- Jeffersonia (9 revisions)
- Moraceae Illustrations (9 revisions)
- Delphinium andersonii (9 revisions)
- Epiphyllum phyllanthus var. hookeri (9 revisions)
- Abronia maritima (9 revisions)
- Nelumbo (9 revisions)
- Pinus balfouriana (9 revisions)
- Juniperus virginiana var. virginiana (9 revisions)
- Achlys triphylla (9 revisions)
- Hymenophyllum wrightii (9 revisions)
- Dicentra nevadensis (9 revisions)
- Orthotrichaceae Illustrations (9 revisions)
- Berberis thunbergii (9 revisions)
- Echinocactus polycephalus var. xeranthemoides (9 revisions)
- Corylus cornuta subsp. cornuta (9 revisions)
- Ranunculus macounii (9 revisions)
- Platanus wrightii (9 revisions)
- Cheilanthes (9 revisions)
- Notholaena nealleyi (9 revisions)
- Trollius albiflorus (9 revisions)
- Ostrya (9 revisions)
- Poaceae Illustrations (9 revisions)
- Malpighiaceae (9 revisions)
- Delphinium purpusii (9 revisions)
- Ranunculus occidentalis var. howellii (9 revisions)
- Guapira discolor (9 revisions)
- Ranunculus subg. Pallasiantha (9 revisions)
- Adiantum (9 revisions)
- Hypolepis repens (9 revisions)
- Delphinium alabamicum (9 revisions)
- Eschscholzia lemmonii subsp. kernensis (9 revisions)
- Ranunculaceae Illustrations (9 revisions)
- Iris (sect. Limniris) ser. Vernae (9 revisions)
- Anemopsis (9 revisions)
- Glandulicactus (9 revisions)
- Juncus secundus (9 revisions)
- Calycocarpum lyonii (9 revisions)
- Trianthema (9 revisions)
- Pilea trianthemoides (9 revisions)
- Stellaria borealis subsp. borealis (9 revisions)
- Selaginella densa (9 revisions)
- Cryptogramma cascadensis (9 revisions)
- Isoëtes virginica (9 revisions)
- Annona glabra (9 revisions)
- Urtica (9 revisions)
- Schisandraceae Illustrations (9 revisions)
- Trema lamarckiana (9 revisions)
- Pediocactus nigrispinus (9 revisions)
- Delosperma litorale (9 revisions)
- Aristolochia (9 revisions)
- Cheilanthes arizonica (9 revisions)
- Pinus lambertiana (9 revisions)
- Pellaea ternifolia subsp. villosa (9 revisions)
- Anemone narcissiflora var. monantha (9 revisions)
- Elatine (9 revisions)
- Eschscholzia hypecoides (9 revisions)
- Symplocaceae Illustrations (9 revisions)
- Coryphantha recurvata (9 revisions)
- Delphinium decorum subsp. tracyi (9 revisions)
- Agdestis (9 revisions)
- Delphinium patens subsp. patens (9 revisions)
- Athyrium filix-femina var. asplenioides (9 revisions)
- Anemone quinquefolia var. quinquefolia (9 revisions)
- Urticaceae Illustrations (9 revisions)
- Amaranthaceae Illustrations (9 revisions)
- Collinsia verna (9 revisions)
- Canellaceae (9 revisions)
- Boerhavia coulteri var. palmeri (9 revisions)
- Cylindropuntia imbricata var. imbricata (9 revisions)
- Juglans (9 revisions)
- Abies (9 revisions)
- Adiantum aleuticum (9 revisions)
- Alnus maritima (9 revisions)
- Liriodendron tulipifera (9 revisions)
- Azollaceae Illustrations (9 revisions)
- Collinsia wrightii (9 revisions)
- Asimina longifolia var. longifolia (9 revisions)
- Ferocactus (9 revisions)
- Cimicifuga (9 revisions)
- Cylindropuntia ramosissima (9 revisions)
- Ranunculus sect. Echinella (9 revisions)
- Equisetum ×mackaii (9 revisions)
- Laënnecia sophiifolia (9 revisions)
- Chamaecyparis (9 revisions)
- Eriogonum heermannii (9 revisions)
- Quercus nigra (9 revisions)
- Buxbaumiaceae Illustrations (9 revisions)
- Collinsia concolor (9 revisions)
- Berberis swaseyi (9 revisions)
- Betulaceae subfam. Betuloideae (9 revisions)
- Ulmus pumila (9 revisions)
- Torreya taxifolia (9 revisions)
- Matteuccia struthiopteris var. pensylvanica (9 revisions)
- Asplenium bradleyi (9 revisions)
- Carex argyrantha (9 revisions)
- Fothergilla gardenii (9 revisions)
- Chenopodiaceae Illustrations (9 revisions)
- Keckiella lemmonii (9 revisions)
- Ficus aurea (9 revisions)
- Thalictrum sect. Heterogamia (9 revisions)
- Opuntia engelmannii var. flexispina (9 revisions)
- Pellaea lyngholmii (9 revisions)
- Bellis (9 revisions)
- Neurodium (9 revisions)
- Corydalis caseana subsp. hastata (9 revisions)
- Anemia mexicana (9 revisions)
- Daltoniaceae Illustrations (9 revisions)
- Anemone berlandieri (9 revisions)
- Carex timida (9 revisions)
- Asarum hartwegii (9 revisions)
- Opuntia ficus-indica (9 revisions)
- Aquilegia elegantula (9 revisions)
- Crataegus ×sicca (9 revisions)
- Cheilanthes intertexta (9 revisions)
- Diphasiastrum digitatum (9 revisions)
- Selaginella arenicola subsp. riddellii (9 revisions)
- Moraceae (9 revisions)
- Parietaria hespera var. californica (9 revisions)
- Equisetaceae Illustrations (9 revisions)
- Cakile edentula var. lacustris (9 revisions)
- Laportea (9 revisions)
- Betula uber (9 revisions)
- Opuntia polyacantha var. nicholii (9 revisions)
- Nymphaea odorata subsp. tuberosa (9 revisions)
- Cheilanthes yavapensis (9 revisions)
- Marsilea mollis (9 revisions)
- Hexastylis arifolia var. callifolia (9 revisions)
- Picea pungens (9 revisions)
- Grossulariaceae Illustrations (9 revisions)
- Delphinium subsect. Bicoloria (9 revisions)
- Ranunculus eschscholtzii var. oxynotus (9 revisions)
- Boerhavia ciliata (9 revisions)
- Juncus chlorocephalus (9 revisions)
- Portulaca smallii (9 revisions)
- Ficus pumila (9 revisions)
- Trichomanes krausii (9 revisions)
- Eriogonum pharnaceoides (9 revisions)
- Carex recta (9 revisions)
- Fumaria officinalis (9 revisions)
- Pinus monticola (9 revisions)
- Aquilegia vulgaris (9 revisions)
- Iteaceae Illustrations (9 revisions)
- Calycanthus (9 revisions)
- Annona squamosa (9 revisions)
- Echinocereus dasyacanthus (9 revisions)
- Molluginaceae (9 revisions)
- Ranunculus trilobus (9 revisions)
- Pteridium (9 revisions)
- Dryopteris filix-mas (9 revisions)
- Callirhoë digitata (9 revisions)
- Phlegmariurus dichotomus (9 revisions)
- Salix humboldtiana (9 revisions)
- Cyperus laevigatus (9 revisions)
- Peperomia alata (9 revisions)
- Blechnum spicant (9 revisions)
- Limnanthaceae Illustrations (9 revisions)
- Phemeranthus mengesii (9 revisions)
- Dendromecon rigida (9 revisions)
- Echinocereus reichenbachii (9 revisions)
- Nyctaginia capitata (9 revisions)
- Clematis virginiana (9 revisions)
- Cheilanthes viscida (9 revisions)
- Isoëtes acadiensis (9 revisions)
- Dennstaedtiaceae (9 revisions)
- Ranunculus occidentalis var. ultramontanus (9 revisions)
- Polypodium (9 revisions)
- Quercus pumila (9 revisions)
- Moringaceae Illustrations (9 revisions)
- Comptonia (9 revisions)
- Pilosocereus (9 revisions)
- Mammillaria wrightii var. wilcoxii (9 revisions)
- Atriplex subsect. Argenteae (9 revisions)
- Abronia mellifera (9 revisions)
- Berberis pumila (9 revisions)
- Argyrochosma (9 revisions)
- Eriogonum compositum (9 revisions)
- Aristolochia californica (9 revisions)
- Cheilanthes leucopoda (9 revisions)
- Peperomia (9 revisions)
- Osmundaceae Illustrations (9 revisions)
- Eutrochium dubium (9 revisions)
- Ranunculus eschscholtzii var. eschscholtzii (9 revisions)
- Echinocactus texensis (9 revisions)
- Alnus rubra (9 revisions)
- Abronia nana var. nana (9 revisions)
- Asimina pygmaea (9 revisions)
- Planera (9 revisions)
- Woodsia plummerae (9 revisions)
- Solidago subsect. Venosae (9 revisions)
- Astrolepis cochisensis subsp. cochisensis (9 revisions)
- Pontederia cordata (9 revisions)
- Quercus douglasii (9 revisions)
- Podostemaceae Illustrations (9 revisions)
- Cimicifuga laciniata (9 revisions)
- Sclerocactus whipplei (9 revisions)
- Aquilegia desertorum (9 revisions)
- Guapira obtusata (9 revisions)
- Corydalis micrantha subsp. micrantha (9 revisions)
- Weissia (9 revisions)
- Cheilanthes feei (9 revisions)
- Sequoia (9 revisions)
- Aristolochia wrightii (9 revisions)
- Corydalis micrantha subsp. australis (9 revisions)
- Resedaceae Illustrations (9 revisions)
- Warnstorfia fluitans (9 revisions)
- Trichomanes lineolatum (9 revisions)
- Papaver (9 revisions)
- Schistostegaceae Illustrations (9 revisions)
- Ranunculus rhomboideus (9 revisions)
- Pediocactus simpsonii (9 revisions)
- Clematis recta (9 revisions)
- Drosanthemum (9 revisions)
- Argemone sanguinea (9 revisions)
- Isoëtes tuckermanii (9 revisions)
- Notholaena neglecta (9 revisions)
- Polypodium glycyrrhiza (9 revisions)
- Delphinium elatum (9 revisions)
- Takakiaceae Illustrations (9 revisions)
- Iris (sect. Limniris) ser. Hexagonae (9 revisions)
- Anemone deltoidea (9 revisions)
- Coryphantha robustispina (9 revisions)
- Romneya trichocalyx (9 revisions)
- Gisekia pharnacioides (9 revisions)
- Argemone corymbosa subsp. corymbosa (9 revisions)
- Polypodium amorphum (9 revisions)
- Cystopteris utahensis (9 revisions)
- Thalictrum cooleyi (9 revisions)
- Violaceae Illustrations (9 revisions)
- Amblystegiaceae Illustrations (9 revisions)
- Collinsia violacea (9 revisions)
- Carya pallida (9 revisions)
- Coryphantha vivipara (9 revisions)
- Nuphar polysepala (9 revisions)
- Cylindropuntia imbricata var. argentea (9 revisions)
- Rudbeckia klamathensis (9 revisions)
- Morus microphylla (9 revisions)
- Dryopteridaceae (9 revisions)
- Fagaceae (9 revisions)
- Clematis hirsutissima var. scottii (9 revisions)
- Bartramiaceae Illustrations (9 revisions)
- Collinsia torreyi (9 revisions)
- Quercus laurifolia (9 revisions)
- Ferocactus wislizeni (9 revisions)
- Ranunculus ambigens (9 revisions)
- Grusonia (9 revisions)
- Illicium parviflorum (9 revisions)
- Thelypteris subg. Parathelypteris (9 revisions)
- Lorandersonia microcephala (9 revisions)
- Pseudotsuga menziesii var. glauca (9 revisions)
- Cypripedium parviflorum var. pubescens (9 revisions)
- Kickxia spuria (9 revisions)
- Betula pubescens subsp. tortuosa (9 revisions)
- Cabombaceae Illustrations (9 revisions)
- Bucklandiella affinis (9 revisions)
- Keckiella (9 revisions)
- Aloe (9 revisions)
- Canbya (9 revisions)
- Opuntia humifusa var. humifusa (9 revisions)
- Chenopodium opulifolium (9 revisions)
- Humulus lupulus var. lupulus (9 revisions)
- Heterocladium procurrens (9 revisions)
- Chamaecyparis lawsoniana (9 revisions)
- Quercus hemisphaerica (9 revisions)
- Thelypteris reptans (9 revisions)
- Magnolia macrophylla (9 revisions)
- Rhinanthus minor subsp. minor (9 revisions)
- Cistaceae Illustrations (9 revisions)
- Delphinium ramosum (9 revisions)
- Platanus (9 revisions)
- Opuntia chisosensis (9 revisions)
- Aquilegia formosa var. truncata (9 revisions)
- Crataegus ×atrorubens (9 revisions)
- Pinus leiophylla var. chihuahuana (9 revisions)
- Asplenium ebenoides (9 revisions)
- Clematis versicolor (9 revisions)
- Arctomecon californica (9 revisions)
- Datiscaceae Illustrations (9 revisions)
- Quercus phellos (9 revisions)
- Roemeria refracta (9 revisions)
- Opuntia ellisiana (9 revisions)
- Peperomia glabella (9 revisions)
- Scleranthus perennis (9 revisions)
- Abies bifolia (9 revisions)
- Pinus strobus (9 revisions)
- Quercus georgiana (9 revisions)
- Vittaria appalachiana (9 revisions)
- Ranunculus subg. Cyrtorhyncha (9 revisions)
- Ericaceae Illustrations (9 revisions)
- Aconitum uncinatum (9 revisions)
- Delphinium glaucum (9 revisions)
- Opuntia polyacantha var. hystricina (9 revisions)
- Clematis occidentalis var. occidentalis (9 revisions)
- Cheilanthes lindheimeri (9 revisions)
- Selaginella apoda (9 revisions)
- Woodsia cochisensis (9 revisions)
- Eriogonum multiflorum (9 revisions)
- Eriogonum subg. Eucycla (9 revisions)
- Ranunculus sceleratus var. multifidus (9 revisions)
- Selaginella wrightii (9 revisions)
- Aquilegia laramiensis (9 revisions)
- Haemodoraceae Illustrations (9 revisions)
- Papaver dubium (9 revisions)
- Nuphar rubrodisca (9 revisions)
- Peniocereus (9 revisions)
- Atriplex sect. Teutliopsis (9 revisions)
- Portulaca suffrutescens (9 revisions)
- Adonis annua (9 revisions)
- Grammitis (9 revisions)
- Marsilea oligospora (9 revisions)
- Cheilanthes alabamensis (9 revisions)
- Betula alleghaniensis (9 revisions)
- Trichomanes intricatum (9 revisions)
- Juglandaceae Illustrations (9 revisions)
- Ranunculus occidentalis var. occidentalis (9 revisions)
- Asarum canadense (9 revisions)
- Mollugo (9 revisions)
- Delphinium variegatum (9 revisions)
- Botrychium montanum (9 revisions)
- Pinus aristata (9 revisions)
- Taxodium (9 revisions)
- Anemone lancifolia (9 revisions)
- Limnocharitaceae Illustrations (9 revisions)
- Phemeranthus parviflorus (9 revisions)
- Delphinium sect. Diedropetala (9 revisions)
- Boerhavia intermedia (9 revisions)
- Atriplex subg. Obione (9 revisions)
- Allionia (9 revisions)
- Myrica (9 revisions)
- Cyrtomium falcatum (9 revisions)
- Rumex sect. Rumex (9 revisions)
- Selaginella (9 revisions)
- Selaginella oregana (9 revisions)
- Ranunculus jovis (9 revisions)
- Vittaria (9 revisions)
- Muntingiaceae Illustrations (9 revisions)
- Pilosocereus robinii (9 revisions)
- Abronia angustifolia (9 revisions)
- Delphinium hutchinsoniae (9 revisions)
- Pteris (9 revisions)
- Cupressus (9 revisions)
- Selaginella tortipila (9 revisions)
- Cotoneaster ×suecicus (9 revisions)
- Paeoniaceae Illustrations (9 revisions)
- Astrophytum (9 revisions)
- Ranunculus inamoenus var. inamoenus (9 revisions)
- Abronia nana var. covillei (9 revisions)
- Ranunculus bonariensis var. trisepalus (9 revisions)
- Ptychostomum pseudotriquetrum (9 revisions)
- Thelypteris subg. Thelypteris (9 revisions)
- Argemone corymbosa subsp. arenicola (9 revisions)
- Astrolepis sinuata subsp. mexicana (9 revisions)
- Clematis subg. Viticella (9 revisions)
- Polygonaceae Illustrations (9 revisions)
- Sclerocactus wrightiae (9 revisions)
- Quercus sinuata var. sinuata (9 revisions)
- Aizoaceae (9 revisions)
- Ptychosperma (9 revisions)
- Argemone arizonica (9 revisions)
- Cucurbita melopepo var. ozarkana (9 revisions)
- Tiarella (9 revisions)
- Huperzia miyoshiana (9 revisions)
- Eriogonum marifolium (9 revisions)
- Rhachitheciaceae Illustrations (9 revisions)
- Delphinium subsect. Virescens (9 revisions)
- Glandulicactus uncinatus var. wrightii (9 revisions)
- Ranunculus gormanii (9 revisions)
- Aptenia (9 revisions)
- Aponogeton distachyos (9 revisions)
- Quercus garryana var. garryana (9 revisions)
- Ginkgoaceae (9 revisions)
- Ivesia sect. Ivesia (9 revisions)
- Deparia acrostichoides (9 revisions)
- Pinus contorta var. murrayana (9 revisions)
- Delphinium novomexicanum (9 revisions)
- Aquilegia (9 revisions)
- Schizaeaceae Illustrations (9 revisions)
- Nelumbonaceae (9 revisions)
- Pediocactus knowltonii (9 revisions)
- Delphinium bicolor subsp. calcicola (9 revisions)
- Drosanthemum floribundum (9 revisions)
- Clematis columbiana var. tenuiloba (9 revisions)
- Pinus coulteri (9 revisions)
- Marsilea ancylopoda (9 revisions)
- Delphinium carolinianum subsp. vimineum (9 revisions)
- Betula lenta (9 revisions)
- Tamaricaceae Illustrations (9 revisions)
- Delphinium carolinianum subsp. virescens (9 revisions)
- Coryphantha echinus (9 revisions)
- Atriplex polycarpa (9 revisions)
- Quercus austrina (9 revisions)
- Chenopodium simplex (9 revisions)
- Quercus turbinella (9 revisions)
- Botrychium hesperium (9 revisions)
- Diphasiastrum (9 revisions)
- Quercus palustris (9 revisions)
- Quercus polymorpha (9 revisions)
- Vittariaceae Illustrations (9 revisions)
- Andreaeaceae Illustrations (9 revisions)
- Collinsia grandiflora (9 revisions)
- Aconitum (9 revisions)
- Celtis pallida (9 revisions)
- Ophioglossum (9 revisions)
- Abies magnifica (9 revisions)
- Carex microdonta (9 revisions)
- Piper aduncum (9 revisions)
- Ranunculus inamoenus var. subaffinis (9 revisions)
- Basellaceae Illustrations (9 revisions)
- Collinsia latifolia (9 revisions)
- Aristolochia coryi (9 revisions)
- Ferocactus viridescens (9 revisions)
- Quercus tardifolia (9 revisions)
- Phaulothamnus spinescens (9 revisions)
- Thalictrum dioicum (9 revisions)
- Tectaria coriandrifolia (9 revisions)
- Lorandersonia peirsonii (9 revisions)
- Asplenium ×curtissii (9 revisions)
- Thalictrum sect. Physocarpum (9 revisions)
- Cactaceae Illustrations (9 revisions)
- Polytrichum commune (9 revisions)
- Quercus john-tuckeri (9 revisions)
- Opuntia humifusa var. ammophila (9 revisions)
- Umbellularia californica var. fresnensis (9 revisions)
- Asplenium scolopendrium var. americanum (9 revisions)
- Rosaceae tribe Exochordeae (9 revisions)
- Tanacetum balsamita (9 revisions)
- Pinus ponderosa var. scopulorum (9 revisions)
- Huperzia lucidula (9 revisions)
- Marsileaceae (9 revisions)
- Delphinium distichum (9 revisions)
- Cleomaceae Illustrations (9 revisions)
- Nothochelone (9 revisions)
- Aquilegia coerulea var. pinetorum (9 revisions)
- Fatoua (9 revisions)
- Opuntia atrispina (9 revisions)
- Humulus (9 revisions)
- Crataegus ×bicknellii (9 revisions)
- Pilularia americana (9 revisions)
- Coleogyne ramosissima (9 revisions)
- Cupressus bakeri (9 revisions)
- Thuja occidentalis (9 revisions)
- Ranunculus arizonicus var. arizonicus (9 revisions)
- Quercus fusiformis (9 revisions)
- Spiraea ×pyramidata (9 revisions)
- Dennstaedtiaceae Illustrations (9 revisions)
- Thalictrum heliophilum (9 revisions)
- Nandina domestica (9 revisions)
- Opuntia aureispina (9 revisions)
- Anemone cylindrica (9 revisions)
- Botrychium boreale (9 revisions)
- Trichomanes petersii (9 revisions)
- Ranunculus auricomus (9 revisions)
- Eriocaulaceae Illustrations (9 revisions)
- Eschscholzia caespitosa (9 revisions)
- Opuntia polyacantha var. erinacea (9 revisions)
- Argemone aenea (9 revisions)
- Abies lowiana (9 revisions)
- Pteridium aquilinum var. latiusculum (9 revisions)
- Eriogonum nutans (9 revisions)
- Quercus durata var. durata (9 revisions)
- Abies procera (9 revisions)
- Delphinium menziesii subsp. menziesii (9 revisions)
- Hamamelidaceae Illustrations (9 revisions)
- Humulus japonicus (9 revisions)
- Mirabilis linearis var. decipiens (9 revisions)
- Cissampelos pareira (9 revisions)
- Selaginella cinerascens (9 revisions)
- Ctenitis sloanei (9 revisions)
- Notholaena aschenborniana (9 revisions)
- Eriogonum effusum (9 revisions)
- Clematis ochroleuca (9 revisions)
- Pseudotsuga menziesii var. menziesii (9 revisions)
- Delphinium gypsophilum subsp. gypsophilum (9 revisions)
- Juncaceae Illustrations (9 revisions)
- Delphinium subsect. Multiplex (9 revisions)
- Echinocereus bonkerae (9 revisions)
- Juncus kelloggii (9 revisions)
- Mollugo verticillata (9 revisions)
- Eschscholzia minutiflora (9 revisions)
- Anemia wrightii (9 revisions)
- Eriogonum ericifolium (9 revisions)
- Actaea pachypoda (9 revisions)
- Botrychium acuminatum (9 revisions)
- Romneya (9 revisions)
- Lycopodiaceae Illustrations (9 revisions)
- Agave utahensis var. eborispina (9 revisions)
- Phemeranthus rugospermus (9 revisions)
- Eschscholzia lemmonii (9 revisions)
- Echinocereus pseudopectinatus (9 revisions)
- Atriplex sect. Pleianthae (9 revisions)
- Ceratophyllum (9 revisions)
- Rumex hymenosepalus (9 revisions)
- Dicranopteris flexuosa (9 revisions)
- Argemone munita subsp. munita (9 revisions)
- Asimina tetramera (9 revisions)
- Musaceae Illustrations (9 revisions)
- Caltha (9 revisions)
- Bergerocactus (9 revisions)
- Abronia turbinata (9 revisions)
- Anemone tuberosa (9 revisions)
- Notholaena aliena (9 revisions)
- Clematis pitcheri var. pitcheri (9 revisions)
- Pinus clausa (9 revisions)
- Pilea microphylla (9 revisions)
- Papaveraceae Illustrations (9 revisions)
- Fissidens pellucidus (9 revisions)
- Ranunculus andersonii (9 revisions)
- Boerhavia pterocarpa (9 revisions)
- Berberis repens (9 revisions)
- Abronia bigelovii (9 revisions)
- Corydalis aqua-gelidae (9 revisions)
- Pedicularis oederi (9 revisions)
- Larix (9 revisions)
- Cystopteris tennesseensis (9 revisions)
- Vancouveria (9 revisions)
- Blechnum occidentale var. minor (9 revisions)
- Cocculus carolinus (9 revisions)
- Polypodiaceae Illustrations (9 revisions)
- Eranthis (9 revisions)
- Sclerocactus glaucus (9 revisions)
- Delphinium inopinum (9 revisions)
- Tetragonia (9 revisions)
- Aquilegia longissima (9 revisions)
- Pteridium aquilinum var. pubescens (9 revisions)
- Draba fladnizensis (9 revisions)
- Chamaecyparis thyoides (9 revisions)
- Draba glabella (9 revisions)
- Ranunculus canus (9 revisions)
- Rhizogoniaceae Illustrations (9 revisions)
- Ranunculus sect. Cyrtorhyncha (9 revisions)
- Boerhavia spicata (9 revisions)
- Trollius laxus (9 revisions)
- Aptenia cordifolia (9 revisions)
- Anemone lyallii (9 revisions)
- Schizaea (9 revisions)
- Cheilanthes parryi (9 revisions)
- Notholaena copelandii (9 revisions)
- Eriogonum flavum (9 revisions)
- Ranunculus subg. Ficaria (9 revisions)
- Asimina parviflora (9 revisions)
- Scouleriaceae Illustrations (9 revisions)
- Quercus durata (9 revisions)
- Pediocactus winkleri (9 revisions)
- Menispermum canadense (9 revisions)
- Alisma (9 revisions)
- Ranunculus pacificus (9 revisions)
- Athyrium filix-femina var. californicum (9 revisions)
- Ivesia sect. Unguiculatae (9 revisions)
- Tectaria fimbriata (9 revisions)
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