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- Schoenoplectus erectus (10 revisions)
- Euphorbia chaetocalyx (10 revisions)
- Potentilla anserina (10 revisions)
- Eragrostis amabilis (10 revisions)
- Rottboellia (10 revisions)
- Chloris elata (10 revisions)
- Isocoma acradenia (10 revisions)
- Glyceria pulchella (10 revisions)
- Setaria italica (10 revisions)
- Euphorbia ocellata (10 revisions)
- Pseudotaxiphyllum elegans (10 revisions)
- Carex deflexa (10 revisions)
- Festuca viridula (10 revisions)
- Achnatherum occidentale subsp. occidentale (10 revisions)
- Pseudoroegneria (10 revisions)
- Arceuthobium vaginatum (10 revisions)
- Echinochloa crus-pavonis var. crus-pavonis (10 revisions)
- Zea mays subsp. mays (10 revisions)
- Chloris radiata (10 revisions)
- Populus deltoides (10 revisions)
- Sphenopholis pensylvanica (10 revisions)
- Axonopus fissifolius (10 revisions)
- Eriogonum microtheca var. laxiflorum (10 revisions)
- Crepis occidentalis (10 revisions)
- Pectis filipes (10 revisions)
- Ageratina altissima (10 revisions)
- Vulpia octoflora var. hirtella (10 revisions)
- Achnatherum hymenoides (10 revisions)
- Elymus (10 revisions)
- Carex divulsa (10 revisions)
- Penstemon cardinalis (10 revisions)
- Salix brachycarpa (10 revisions)
- Dichanthelium pedicellatum (10 revisions)
- Eleusine indica (10 revisions)
- Trichloris pluriflora (10 revisions)
- Arundinaria (10 revisions)
- Paspalum notatum (10 revisions)
- Momordica charantia (10 revisions)
- Lolium persicum (10 revisions)
- Piptatherum miliaceum (10 revisions)
- Elymus wiegandii (10 revisions)
- Ribes oxyacanthoides (10 revisions)
- Androsace elongata (10 revisions)
- Dichanthelium sect. Oligosantha (10 revisions)
- Sporobolus vaginiflorus var. vaginiflorus (10 revisions)
- Cynodon dactylon (10 revisions)
- Paspalum racemosum (10 revisions)
- Puccinellia lemmonii (10 revisions)
- Hesperostipa neomexicana (10 revisions)
- Elymus multisetus (10 revisions)
- Calamagrostis sesquiflora (10 revisions)
- Verbascum sinuatum (10 revisions)
- Arundo (10 revisions)
- Leptochloa fusca (10 revisions)
- Agrostis microphylla (10 revisions)
- Paspalum setaceum var. supinum (10 revisions)
- Corylus cornuta (10 revisions)
- Sphaeralcea ambigua (10 revisions)
- Spergularia canadensis (10 revisions)
- Boltonia diffusa (10 revisions)
- Erigeron aphanactis (10 revisions)
- Sclerochloa (10 revisions)
- Nassella leucotricha (10 revisions)
- Hygroryza (10 revisions)
- Calamagrostis nutkaensis (10 revisions)
- Dichanthelium dichotomum subsp. microcarpon (10 revisions)
- Bouteloua aristidoides var. aristidoides (10 revisions)
- Lagurus (10 revisions)
- Poaceae tribe Andropogoneae (10 revisions)
- Pedicularis contorta (10 revisions)
- Poa alsodes (10 revisions)
- Amelichloa brachychaeta (10 revisions)
- Elymus repens (10 revisions)
- Scolochloa festucacea (10 revisions)
- Psilotaceae (10 revisions)
- Dichanthelium chamaelonche subsp. chamaelonche (10 revisions)
- Aristida floridana (10 revisions)
- Leptochloa fusca subsp. uninervia (10 revisions)
- Sesleria autumnalis (10 revisions)
- Saccharum officinarum (10 revisions)
- Helenium amarum (10 revisions)
- Poa annua (10 revisions)
- Bromus sect. Ceratochloa (10 revisions)
- Zizania aquatica (10 revisions)
- Trisetum (10 revisions)
- Crataegus crus-galli (10 revisions)
- Dichanthelium consanguineum (10 revisions)
- Cathestecum brevifolium (10 revisions)
- Triphysaria versicolor (10 revisions)
- Parapholis strigosa (10 revisions)
- Microstegium vimineum (10 revisions)
- Redfieldia (10 revisions)
- Panicum gymnocarpon (10 revisions)
- Hibiscus moscheutos (10 revisions)
- Poa arctica subsp. arctica (10 revisions)
- Bromus pumpellianus (10 revisions)
- Melica imperfecta (10 revisions)
- Penstemon attenuatus (10 revisions)
- Crataegus ×sicca nothovar. glabrifolia (10 revisions)
- Tragus australianus (10 revisions)
- Holodiscus discolor (10 revisions)
- Avenula hookeri (10 revisions)
- Chrysopogon pauciflorus (10 revisions)
- Sporobolus giganteus (10 revisions)
- Urochloa reptans (10 revisions)
- Eremogone eastwoodiae (10 revisions)
- Saussurea amara (10 revisions)
- Poa sect. Madropoa (10 revisions)
- Bromus nottowayanus (10 revisions)
- Zizania palustris (10 revisions)
- Phalaris (10 revisions)
- Panicum hirticaule subsp. stramineum (10 revisions)
- Cottea pappophoroides (10 revisions)
- Salix glauca (10 revisions)
- Aristida longespica (10 revisions)
- Bothriochloa springfieldii (10 revisions)
- Calamovilfa (10 revisions)
- Castilleja flava (10 revisions)
- Alternanthera ficoidea (10 revisions)
- Poterium sanguisorba (10 revisions)
- Atriplex saccaria (10 revisions)
- Tetradymia axillaris (10 revisions)
- Poa diaboli (10 revisions)
- Bromus diandrus (10 revisions)
- ×leydeum dutillyanum (10 revisions)
- Cinna bolanderi (10 revisions)
- Aspidotis californica (10 revisions)
- Rhynchospora globularis (10 revisions)
- Geum macrophyllum (10 revisions)
- Penstemon linarioides (10 revisions)
- Sullivantia hapemanii (10 revisions)
- Panicum dichotomiflorum subsp. dichotomiflorum (10 revisions)
- Cortaderia (10 revisions)
- Aristida stricta (10 revisions)
- Andropogon hallii (10 revisions)
- Muhlenbergia frondosa (10 revisions)
- Artemisia norvegica (10 revisions)
- Eriochloa acuminata (10 revisions)
- Xyris difformis (10 revisions)
- Tetraneuris scaposa (10 revisions)
- Dieteria canescens (10 revisions)
- Poa leibergii (10 revisions)
- Viola lobata (10 revisions)
- Bromus hordeaceus subsp. pseudothominei (10 revisions)
- Festuca sect. Texanae (10 revisions)
- Botrychium lanceolatum subsp. lanceolatum (10 revisions)
- Alopecurus arundinaceus (10 revisions)
- Dryopteris campyloptera (10 revisions)
- Panicum rigidulum subsp. abscissum (10 revisions)
- Schismus barbatus (10 revisions)
- Symphyotrichum puniceum (10 revisions)
- Chasmanthium latifolium (10 revisions)
- Andropogon virginicus (10 revisions)
- Muhlenbergia polycaulis (10 revisions)
- Cakile maritima (10 revisions)
- Pennisetum pedicellatum (10 revisions)
- Ranunculus abortivus (10 revisions)
- Cucumis melo (10 revisions)
- Poa sect. Stenopoa (10 revisions)
- Viola pedata (10 revisions)
- Hordeum brachyantherum (10 revisions)
- Festuca sect. Breviaristatae (10 revisions)
- Carex debilis (10 revisions)
- Petalonyx thurberi (10 revisions)
- Panicum sect. Antidotalia (10 revisions)
- Aristida californica var. californica (10 revisions)
- Digitaria pubiflora (10 revisions)
- Cymbopogon nardus (10 revisions)
- Muhlenbergia richardsonis (10 revisions)
- Cenchrus tribuloides (10 revisions)
- Stenotus armerioides (10 revisions)
- Hemizonia congesta (10 revisions)
- Croptilon hookerianum (10 revisions)
- Pedaliaceae Illustrations (10 revisions)
- Poa abbreviata subsp. marshii (10 revisions)
- Oryza longistaminata (10 revisions)
- Festuca rubra subsp. commutata (10 revisions)
- Melica stricta var. stricta (10 revisions)
- Digitaria longiflora (10 revisions)
- Schizachyrium sanguineum var. hirtiflorum (10 revisions)
- Muhlenbergia expansa (10 revisions)
- Setaria subg. Paurochaetium (10 revisions)
- Croton alabamensis (10 revisions)
- Pyrrocoma clementis (10 revisions)
- Poa ammophila (10 revisions)
- Aegilops (10 revisions)
- Luziola fluitans (10 revisions)
- Pleuropogon hooverianus (10 revisions)
- Digitaria horizontalis (10 revisions)
- Elionurus (10 revisions)
- Muhlenbergia minutissima (10 revisions)
- ×arctodupontia scleroclada (10 revisions)
- Setaria setosa (10 revisions)
- Asteraceae tribe Cichorieae (10 revisions)
- Erigeron glabellus (10 revisions)
- Oryza sativa (10 revisions)
- Achnatherum latiglume (10 revisions)
- Malus prunifolia (10 revisions)
- Lasiacis (10 revisions)
- Rottboellia cochinchinensis (10 revisions)
- Chloris barbata (10 revisions)
- Briza media (10 revisions)
- Setaria faberi (10 revisions)
- Claytonia parviflora (10 revisions)
- Sidalcea asprella (10 revisions)
- Atriplex canescens (10 revisions)
- Polygonum aviculare (10 revisions)
- Phyllanthus niruri (10 revisions)
- Eutrochium purpureum (10 revisions)
- Festuca washingtonica (10 revisions)
- Achnatherum occidentale subsp. californicum (10 revisions)
- Pseudoroegneria spicata (10 revisions)
- Senecio flaccidus (10 revisions)
- Echinochloa crus-pavonis var. macera (10 revisions)
- Eustachys (10 revisions)
- Sphenopholis nitida (10 revisions)
- Axonopus compressus (10 revisions)
- Eriogonum microtheca var. simpsonii (10 revisions)
- Chenopodium incanum (10 revisions)
- Carex albicans (10 revisions)
- Hymenopappus artemisiifolius (10 revisions)
- Vulpia octoflora var. octoflora (10 revisions)
- Achnatherum arnowiae (10 revisions)
- Elymus macgregorii (10 revisions)
- Physaria gracilis (10 revisions)
- Crataegus monogyna (10 revisions)
- Dichanthelium nodatum (10 revisions)
- Eleusine coracana (10 revisions)
- Willkommia (10 revisions)
- Glyceria canadensis (10 revisions)
- Paspalum minus (10 revisions)
- Lewisia cotyledon (10 revisions)
- Triantha (10 revisions)
- Brachyelytrum erectum (10 revisions)
- Clematis reticulata (10 revisions)
- Piptatherum miliaceum subsp. miliaceum (10 revisions)
- Elymus interruptus (10 revisions)
- Eragrostis trichophora (10 revisions)
- Sporobolus neglectus (10 revisions)
- Cynodon dactylon var. aridus (10 revisions)
- Agrostis perennans (10 revisions)
- Paspalum intermedium (10 revisions)
- Celtis laevigata (10 revisions)
- Sagittaria guayanensis (10 revisions)
- Polanisia dodecandra (10 revisions)
- Solidago caesia (10 revisions)
- Puccinellia pumila (10 revisions)
- Hesperostipa curtiseta (10 revisions)
- Elymus elymoides (10 revisions)
- Calamagrostis tacomensis (10 revisions)
- Dudleya saxosa (10 revisions)
- Dodecatheon conjugens (10 revisions)
- Dichanthelium acuminatum subsp. sericeum (10 revisions)
- Calamovilfa gigantea (10 revisions)
- Glyceria sect. Glyceria (10 revisions)
- Paspalum setaceum var. villosissimum (10 revisions)
- Cirsium arizonicum (10 revisions)
- Brickellia eupatorioides (10 revisions)
- Cymbalaria muralis (10 revisions)
- Sclerochloa dura (10 revisions)
- Nassella manicata (10 revisions)
- Calamagrostis pickeringii (10 revisions)
- Penstemon leiophyllus (10 revisions)
- Eragrostis setifolia (10 revisions)
- Cynodon plectostachyus (10 revisions)
- Bouteloua aristidoides var. arizonica (10 revisions)
- Artemisia borealis (10 revisions)
- Cordylanthus wrightii (10 revisions)
- Lagurus ovatus (10 revisions)
- Spodiopogon (10 revisions)
- Drymocallis lactea (10 revisions)
- Juncus subg. Alpini (10 revisions)
- Poa sylvestris (10 revisions)
- Amelichloa caudata (10 revisions)
- Elymus hoffmannii (10 revisions)
- Glyceria notata (10 revisions)
- Crataegus viridis (10 revisions)
- Lechea pulchella (10 revisions)
- Dichanthelium sect. Sphaerocarpa (10 revisions)
- Bouteloua trifida var. trifida (10 revisions)
- Glyceria septentrionalis var. arkansana (10 revisions)
- Saccharum bengalense (10 revisions)
- Mirabilis multiflora (10 revisions)
- Poa infirma (10 revisions)
- Bromus catharticus (10 revisions)
- ×elyleymus aristatus (10 revisions)
- Trisetum melicoides (10 revisions)
- Penstemon davidsonii (10 revisions)
- Primula cuneifolia (10 revisions)
- Eragrostis mexicana subsp. virescens (10 revisions)
- Cathestecum erectum (10 revisions)
- Scribneria (10 revisions)
- Trachypogon (10 revisions)
- Redfieldia flexuosa (10 revisions)
- Panicum sect. Monticola (10 revisions)
- Caltha natans (10 revisions)
- Poa arctica subsp. caespitans (10 revisions)
- Leymus racemosus (10 revisions)
- Rostraria (10 revisions)
- Carex atlantica (10 revisions)
- Panicum miliaceum subsp. miliaceum (10 revisions)
- Tragus heptaneuron (10 revisions)
- Glyceria leptostachya (10 revisions)
- Chrysopogon fulvus (10 revisions)
- Sporobolus junceus (10 revisions)
- Urochloa texana (10 revisions)
- Bromus texensis (10 revisions)
- Leymus ×multiflorus (10 revisions)
- Phalaris paradoxa (10 revisions)
- Panicum mohavense (10 revisions)
- Leptochloa scabra (10 revisions)
- Aristida longespica var. geniculata (10 revisions)
- Eragrostis erosa (10 revisions)
- Calamovilfa longifolia (10 revisions)
- Urochloa ciliatissima (10 revisions)
- Poa piperi (10 revisions)
- ×leydeum littorale (10 revisions)
- Arundinaria tecta (10 revisions)
- Frangula californica (10 revisions)
- Panicum dichotomiflorum subsp. puritanorum (10 revisions)
- Cortaderia jubata (10 revisions)
- Descurainia pinnata (10 revisions)
- Symphyotrichum ontarionis (10 revisions)
- Aristida rhizomophora (10 revisions)
- Andropogon sect. Leptopogon (10 revisions)
- Erioneuron nealleyi (10 revisions)
- Eriochloa acuminata var. acuminata (10 revisions)
- Leontodon saxatilis (10 revisions)
- Croton pottsii (10 revisions)
- Mammillaria heyderi (10 revisions)
- Linum lewisii (10 revisions)
- Callicladium haldaneanum (10 revisions)
- Ranunculus hederaceus (10 revisions)
- Liatris squarrosa (10 revisions)
- Poa stebbinsii (10 revisions)
- Bromus hordeaceus subsp. thominei (10 revisions)
- Festuca versuta (10 revisions)
- Alopecurus magellanicus (10 revisions)
- Penstemon acuminatus (10 revisions)
- Ribes inerme (10 revisions)
- Panicum rigidulum subsp. combsii (10 revisions)
- Karroochloa (10 revisions)
- Sorbus sitchensis (10 revisions)
- Chasmanthium nitidum (10 revisions)
- Eragrostis secundiflora (10 revisions)
- Muhlenbergia arsenei (10 revisions)
- Thalictrum fendleri (10 revisions)
- Arctanthemum arcticum (10 revisions)
- Pennisetum villosum (10 revisions)
- Agoseris grandiflora (10 revisions)
- Xyris laxifolia (10 revisions)
- Poa palustris (10 revisions)
- Hordeum brachyantherum subsp. brachyantherum (10 revisions)
- Festuca altaica (10 revisions)
- Diphasiastrum sitchense (10 revisions)
- Pascopyrum smithii (10 revisions)
- Panicum antidotale (10 revisions)
- Aristida californica var. glabrata (10 revisions)
- Digitaria tomentosa (10 revisions)
- Cymbopogon citratus (10 revisions)
- Muhlenbergia filiformis (10 revisions)
- Cenchrus myosuroides (10 revisions)
- Alnus glutinosa (10 revisions)
- Nothocalaïs alpestris (10 revisions)
- Ivesia rhypara (10 revisions)
- Eriophyllum ambiguum (10 revisions)
- Phrymaceae Illustrations (10 revisions)
- Poa abbreviata subsp. pattersonii (10 revisions)
- Viola pubescens (10 revisions)
- Hordeum bulbosum (10 revisions)
- Festuca rubra subsp. fallax (10 revisions)
- Melica porteri (10 revisions)
- Rosa woodsii (10 revisions)
- Braya humilis (10 revisions)
- Sedum spathulifolium (10 revisions)
- Eragrostis ciliaris var. ciliaris (10 revisions)
- Schizachyrium sanguineum var. sanguineum (10 revisions)
- Muhlenbergia capillaris (10 revisions)
- Setaria chapmanii (10 revisions)
- Cucumis anguria (10 revisions)
- Poa subsect. Halophytae (10 revisions)
- Viola sagittata (10 revisions)
- Aegilops tauschii (10 revisions)
- Festuca glauca (10 revisions)
- Pleuropogon oregonus (10 revisions)
- Penstemon cobaea (10 revisions)
- Rosa acicularis (10 revisions)
- Physaria argyraea (10 revisions)
- Digitaria nuda (10 revisions)
- Elionurus barbiculmis (10 revisions)
- Muhlenbergia texana (10 revisions)
- Arctophila (10 revisions)
- Setaria rariflora (10 revisions)
- Betula nana subsp. nana (10 revisions)
- Polygonum ramosissimum (10 revisions)
- Eupatorium rotundifolium (10 revisions)
- Arnica angustifolia (10 revisions)
- Viola tripartita (10 revisions)
- Festuca edlundiae (10 revisions)
- Delphinium nuttallii subsp. ochroleucum (10 revisions)
- Achnatherum lemmonii (10 revisions)
- Euphorbia serpillifolia (10 revisions)
- Lasiacis divaricata (10 revisions)
- Hackelochloa (10 revisions)
- Chloris pilosa (10 revisions)
- Briza maxima (10 revisions)
- Setaria parviflora (10 revisions)
- Prunus fasciculata (10 revisions)
- Asteraceae Illustrations (10 revisions)
- Poaceae subfam. Pooideae (10 revisions)
- Achnatherum diegoense (10 revisions)
- ×pseudelymus (10 revisions)
- Rhodiola integrifolia (10 revisions)
- Echinochloa oplismenoides (10 revisions)
- Eustachys glauca (10 revisions)
- Sphenopholis filiformis (10 revisions)
- Axonopus furcatus (10 revisions)
- Eriogonum microtheca var. panamintense (10 revisions)
- Vulpia bromoides (10 revisions)
- Achnatherum contractum (10 revisions)
- Elymus glabriflorus (10 revisions)
- Orobanche corymbosa (10 revisions)
- Fuirena simplex (10 revisions)
- Carex scopulorum (10 revisions)
- Ribes aureum (10 revisions)
- Dichanthelium sect. Macrocarpa (10 revisions)
- Eleusine coracana subsp. africana (10 revisions)
- Leptochloa dubia (10 revisions)
- Deschampsia elongata (10 revisions)
- Paspalum blodgettii (10 revisions)
- Sidalcea malviflora (10 revisions)
- Helianthus petiolaris (10 revisions)
- Porophyllum ruderale (10 revisions)
- Elymus glaucus (10 revisions)
- Orobanche cooperi (10 revisions)
- Geum triflorum (10 revisions)
- Senecio serra (10 revisions)
- Dichanthelium oligosanthes (10 revisions)
- Sporobolus virginicus (10 revisions)
- Cynodon dactylon var. dactylon (10 revisions)
- Agrostis idahoensis (10 revisions)
- Eragrostis spicata (10 revisions)
- Thymophylla setifolia (10 revisions)
- Puccinellia arctica (10 revisions)
- Hesperostipa spartea (10 revisions)
- Elymus elymoides subsp. brevifolius (10 revisions)
- Glyceria fluitans (10 revisions)
- Dichanthelium acuminatum subsp. spretum (10 revisions)
- Arundo donax (10 revisions)
- Agrostis elliottiana (10 revisions)
- Paspalum laxum (10 revisions)
- Linum medium (10 revisions)
- Solidago arguta var. arguta (10 revisions)
- Erechtites hieraciifolius (10 revisions)
- Silphium terebinthinaceum (10 revisions)
- Dactylis (10 revisions)
- Nassella lepida (10 revisions)
- Elymus lanceolatus (10 revisions)
- Calamagrostis montanensis (10 revisions)
- Physaria ovalifolia (10 revisions)
- Collinsia tinctoria (10 revisions)
- Dichanthelium dichotomum subsp. nitidum (10 revisions)
- Allolepis (10 revisions)
- Bouteloua eludens (10 revisions)
- Salix ovalifolia (10 revisions)
- Phleum (10 revisions)
- Spodiopogon sibiricus (10 revisions)
- Botrychium minganense (10 revisions)
- Poa marcida (10 revisions)
- Amelichloa clandestina (10 revisions)
- Elymus tsukushiensis (10 revisions)
- Lagenaria siceraria (10 revisions)
- Dichanthelium erectifolium (10 revisions)
- Bouteloua kayi (10 revisions)
- Symphyotrichum patens (10 revisions)
- Sesleria heufleriana (10 revisions)
- Miscanthus (10 revisions)
- Antennaria howellii (10 revisions)
- Najas guadalupensis (10 revisions)
- Urtica dioica subsp. gracilis (10 revisions)
- Pedicularis langsdorffii (10 revisions)
- Diarrhena americana (10 revisions)
- Bromus catharticus var. catharticus (10 revisions)
- ×elyleymus colvillensis (10 revisions)
- Trisetum wolfii (10 revisions)
- Dichanthelium sect. Strigosa (10 revisions)
- Leptochloa panicea subsp. brachiata (10 revisions)
- Cassiope tetragona (10 revisions)
- Scribneria bolanderi (10 revisions)
- Trachypogon secundus (10 revisions)
- Triplasis (10 revisions)
- Antennaria rosea (10 revisions)
- Artemisia tridentata (10 revisions)
- Linaria genistifolia (10 revisions)
- Panicum trichoides (10 revisions)
- Oxalis frutescens (10 revisions)
- Atriplex glabriuscula (10 revisions)
- Helenium elegans (10 revisions)
- Bromus pumpellianus subsp. pumpellianus (10 revisions)
- Leymus arenarius (10 revisions)