The ITIS Logo The Search Results banner for the ITIS Data pages

Taxon author: Pursh

ITIS records citing taxon author "Pursh"
 
 Kingdom Plantae
  Abies fraseri (Pursh) Poir. -- accepted -- balsam fir, eastern fir, Fraser balsam fir, Fraser fir, southern balsam, southern fir
  Acer circinatum Pursh -- accepted -- vine maple
  Acer macrophyllum Pursh -- accepted -- bigleaf maple
  Acerates viridiflora (Raf.) Pursh ex Eaton -- not accepted
  Achillea tomentosa Pursh non L. -- not accepted
  Acomastylis peckii (Pursh) Bolle -- not accepted
  Actinea acaulis (Pursh) Spreng. -- not accepted
  Actinella acaulis (Pursh) Nutt. -- not accepted
  Actinospermum angustifolium (Pursh) Torr. & A. Gray -- not accepted
  Adenolinum lewisii (Pursh) Á. Löve & D. Löve -- not accepted
  Aesculus discolor Pursh -- not accepted
  Aesculus pavia var. discolor (Pursh) A. Gray -- not accepted
  Afzelia pectinata (Pursh) Kuntze -- not accepted
  Agaloma marginata (Pursh) Á. Löve & D. Löve -- not accepted
  Agastache foeniculum (Pursh) Kuntze -- accepted -- blue giant hyssop, blue giant-hyssop
  Agoseris cuspidata (Pursh) Raf. -- not accepted
  Agoseris glauca (Pursh) Raf. -- accepted -- pale agoseris, pale dandelion, prairie dandelion
  Agoseris glauca var. glauca (Pursh) Raf. -- accepted -- pale agoseris
  Agrimonia suaveolens Pursh -- not accepted
  Agropyron spicatum (Pursh) Scribn. & J.G. Sm. -- not accepted
  Agropyron spicatum var. spicatum (Pursh) Scribn. & J.G. Sm. -- not accepted
  Agrostis cinna Pursh -- not accepted
  Agrostis elata (Pursh) Trin. -- not accepted
  Agrostis hyemalis var. elata (Pursh) Fernald -- not accepted
  Agrostis laxa Schreb. ex Pursh -- not accepted
  Agrostis pauciflora Pursh -- not accepted
  Agrostis perennans var. elata (Pursh) Hitchc. -- not accepted
  Aira brevifolia Pursh -- not accepted
  Aira caespitosa var. ambigua (Michx.) Pursh -- not accepted
  Aira pumila Pursh -- not accepted
  Airopsis brevifolia (Pursh) Roem. & Schult. -- not accepted
  Alisma plantago-aquatica var. parviflorum (Pursh) Torr. -- not accepted
  Alisma triviale Pursh -- accepted -- alisma commun, northern water plantain, northern water-plantain
  Allionia hirsuta Pursh -- not accepted
  Allionia linearis Pursh -- not accepted
  Alnus crispa (Aiton) Pursh -- not accepted
  Ambrosia hispida Pursh -- accepted -- coastal ragweed
  Amelanchier sanguinea (Pursh) DC. -- accepted -- Huron serviceberry, roundleaf juneberry, roundleaf serviceberry, shore shadbush
  Amelanchier sanguinea var. sanguinea (Pursh) DC. -- not accepted -- roundleaf serviceberry
  Amellus spinulosus Pursh non Machaeranthera spinulosus Greene -- not accepted
  Amerorchis rotundifolia (Banks ex Pursh) Hultén -- not accepted -- roundleaf orchid
  Amerosedum stenopetalum (Pursh) Á. Löve & D. Löve -- not accepted
  Amorpha angustifolia (Pursh) F.E. Boynton -- not accepted
  Amorpha canescens Pursh -- accepted -- leadplant, leadplant amorpha
  Amorpha fruticosa var. angustifolia Pursh -- not accepted
  Amorpha fruticosa var. emarginata Pursh -- not accepted
  Amorpha occidentalis var. emarginata (Pursh) E.J. Palmer -- not accepted
  Amphicarpon amphicarpon (Pursh) Nash -- not accepted
  Amphicarpum amphicarpon (Pursh) Nash -- accepted
  Amsonia salicifolia Pursh -- not accepted
  Amsonia tabernaemontana var. salicifolia (Pursh) Woodson -- accepted -- eastern bluestar
  Anacharis occidentalis (Pursh) Vict. -- not accepted
  Andromeda floribunda Pursh -- not accepted
  Androsace occidentalis Pursh -- accepted -- western rock-jasmine, western rockjasmine
  Anemone lancifolia Pursh -- accepted -- mountain thimbleweed
  Anemone nemorosa var. quinquefolia (L.) Pursh -- not accepted
  Anemone quinguefolia var. lancifolia (Pursh) Fosberg -- not accepted
  Anemone quinquefolia var. lancifolia (Pursh) Fosberg -- not accepted
  Anogra albicaulis (Pursh) Britton -- not accepted
  Anticlea elegans (Pursh) Rydb. -- accepted -- mountain deathcamas
  Anticlea elegans var. elegans (Pursh) Rydb. -- accepted -- mountain deathcamas
  Antirrhinum tenellum Pursh -- not accepted
  Arbutus menziesii Pursh -- accepted -- Pacific madrone
  Arctostaphylos tomentosa (Pursh) Lindl. -- accepted -- woollyleaf manzanita
  Arctostaphylos tomentosa ssp. tomentosa (Pursh) Lindl. -- accepted -- woollyleaf manzanita
  Arenaria macrocarpa Pursh -- not accepted
  Argyrochosma dealbata (Pursh) Windham -- accepted -- powdery false cloak fern, powdery falsecloak fern
  Aristida pallens Pursh -- not accepted
  Arnica alpina var. plantaginea (Pursh) Ediger & T.M. Barkley -- not accepted
  Arnica fulgens Pursh -- accepted -- foothill arnica, orange arnica, shining leopardbane
  Arnica plantaginea Pursh -- not accepted
  Arsenococcus frondosus (Pursh) Small -- not accepted
  Artemisia cana Pursh -- accepted -- silver sagebrush
  Artemisia cana ssp. cana Pursh -- accepted -- Coaltown sagebrush, silver sagebrush
  Artemisia cana var. cana Pursh -- not accepted
  Artemisia dracunculoides Pursh -- not accepted
  Artemisia spithamea Pursh -- not accepted
  Arundo agrostoides Pursh -- not accepted
  Asclepias phytolaccoides G. Lyon ex Pursh -- not accepted
  Aster canescens Pursh -- not accepted
  Aster radula var. strictus (Pursh) A. Gray -- not accepted -- low rough aster
  Aster reticulatus Pursh -- not accepted
  Aster strictus Pursh non Poir. -- not accepted
  Astragalus longifolius (Pursh) Rydb. -- not accepted
  Astragalus multiflorus (Pursh) A. Gray -- accepted -- looseflower milkvetch
  Astragalus parviflorus (Pursh) MacMill. -- not accepted
  Astragalus racemosus Pursh -- accepted -- alkali poisonvetch, cream milk-vetch, cream milkvetch, creamy loco
  Astragalus racemosus var. racemosus Pursh -- accepted -- cream milk-vetch, cream milkvetch
  Astragalus tenellus Pursh -- not accepted -- loose-flower milk-vetch, looseflower milkvetch, pulse milkvetch
  Astragalus triphyllus Pursh -- not accepted
  Atriplex canescens (Pursh) Nutt. -- accepted -- fourwing saltbush
  Atriplex canescens ssp. canescens (Pursh) Nutt. -- not accepted -- fourwing saltbush, shad-scale saltbush
  Atriplex canescens var. canescens (Pursh) Nutt. -- accepted -- fourwing saltbush
  Azalea arborescens Pursh -- not accepted
  Azalea bicolor (Aiton) Pursh -- not accepted
  Azalea hispida Pursh -- not accepted
  Azalea nitida Pursh -- not accepted
  Azalea periclymenoides var. alba Pursh -- not accepted
  Azalea periclymenoides var. carnea Pursh -- not accepted
  Azalea periclymenoides var. coccinea (Aiton) Pursh -- not accepted
  Balduina angustifolia (Pursh) B.L. Rob. -- accepted -- coastal plain honeycombhead, coastalplain honeycombhead
  Balsamorhiza sagittata (Pursh) Nutt. -- accepted -- arrowleaf balsamroot
  Berberis aquifolium Pursh -- accepted -- hollyleaved barberry, Oregon-grape
  Berberis aquifolium var. aquifolium Pursh -- not accepted -- barberry, Oregon-grape
  Berberis nervosa Pursh -- accepted -- Cascade barberry
  Berlandiera tomentosa (Pursh) Nutt. -- not accepted
  Bidens cernua var. minima (Huds.) Pursh -- not accepted
  Bistorta bistortoides (Pursh) Small -- accepted -- American bistort
  Blephilia hirsuta (Pursh) Benth. -- accepted -- hairy pagoda-plant
  Blephilia hirsuta var. hirsuta (Pursh) Benth. -- accepted -- hairy pagoda-plant
  Bolboschoenus robustus (Pursh) Soják -- accepted -- sturdy bulrush
  Brasenia peltata Pursh -- not accepted
  Bromus altissimus Pursh -- not accepted
  Calamagrostis agrostoides (Pursh) Pursh ex Spreng. -- not accepted
  Callitriche heterophylla Pursh -- accepted -- differentleaf waterstarwort, greater waterstarwort, larger waterstarwort, twoheaded water-starwort, variedleaf waterstarwort
  Callitriche heterophylla ssp. heterophylla Pursh -- not accepted -- greater waterstarwort, twoheaded water-starwort, twoheaded waterstarwort
  Callitriche heterophylla var. heterophylla Pursh -- accepted -- twoheaded water-starwort
  Calochortus Pursh -- accepted -- mariposa lily
  Calochortus elegans Pursh -- accepted -- elegant mariposa lily
  Calochortus elegans var. elegans Pursh -- accepted -- elegant mariposa lily
  Caltha palustris var. flabellifolia (Pursh) Torr. & A. Gray -- not accepted
  Calycocarpum lyonii (Pursh) A. Gray -- accepted -- cupseed
  Calystegia catesbeiana Pursh -- accepted -- Catesby's false bindweed
  Calystegia catesbiana Pursh -- not accepted -- Catesby's false bindweed
  Calystegia catesbiana ssp. catesbiana Pursh -- not accepted -- Catesby's false bindweed
  Calystegia spithamaea (L.) Pursh -- accepted -- low false bindweed
  Calystegia spithamaea ssp. spithamaea (L.) Pursh -- accepted -- low false bindweed
  Camassia quamash (Pursh) Greene -- accepted -- common camas, small camas
  Camassia quamash ssp. quamash (Pursh) Greene -- accepted -- small camas
  Camissonia subacaulis (Pursh) P.H. Raven -- not accepted -- diffuseflower evening primrose, diffuseflower evening-primrose, longleaf suncup, northern eveningprimrose
  Campanula aparinoides Pursh -- accepted -- bedstraw bellflower, marsh bellflower
  Campanula aparinoides var. aparinoides Pursh -- not accepted -- marsh bellflower
  Cantua aggregata Pursh -- not accepted
  Cardamine pulcherrima var. tenella (Pursh) C.L. Hitchc. -- not accepted
  Carya ovalis var. obcordata (Pursh) Sarg. -- not accepted
  Castilleja acuminata auct. non (Pursh) Spreng. -- not accepted
  Castilleja sessiliflora Pursh -- accepted -- downy paintedcup, Great Plains Indian paintbrush, Indian paintbrush
  Catabrosa pumila (Pursh) Roem. & Schult. -- not accepted
  Cathartolinum rigidum (Pursh) Small -- not accepted
  Ceanothus americanus var. intermedius (Pursh) Torr. & A. Gray -- not accepted
  Ceanothus intermedius Pursh -- not accepted
  Ceanothus sanguineus Pursh -- accepted -- redstem ceanothus
  Celtis occidentalis var. pumila (Pursh) A. Gray -- not accepted -- common hackberry
  Celtis pumila Pursh -- not accepted
  Cerastium elongatum Pursh -- not accepted
  Cerastium tenuifolium Pursh -- not accepted
  Ceratoides lanata (Pursh) J.T. Howell -- not accepted
  Chamaerops hystrix (Fraser ex Thouin) Pursh -- not accepted
  Chamomilla suaveolens (Pursh) Rydb. -- not accepted
  Cheilanthes dealbata Pursh -- not accepted
  Chelone lyonii Pursh -- accepted -- pink turtlehead
  Chimaphila Pursh -- accepted -- pipsissewa, prince's pine
  Chimaphila corymbosa Pursh -- not accepted
  Chimaphila maculata (L.) Pursh -- accepted -- striped prince's pine
  Chimaphila maculata var. maculata (L.) Pursh -- not accepted -- striped prince's pine
  Chionanthus virginicus var. maritimus Pursh -- not accepted -- white fringetree
  Chloris secunda (Pursh) Eaton -- not accepted
  Chrysobotrya aurea (Pursh) Rydb. -- not accepted
  Chrysopsis falcata (Pursh) Elliot -- not accepted
  Chrysopsis scabra (Pursh) Elliot -- not accepted
  Chrysopsis villosa (Pursh) Nutt. ex DC. -- not accepted
  Chrysothamnus nauseosus (Pall. ex Pursh) Britton -- not accepted -- gray rabbitbrush
  Chrysothamnus nauseosus ssp. nauseosus (Pall. ex Pursh) Britton -- not accepted -- rubber rabbitbrush
  Chrysothamnus nauseosus var. nauseosus (Pall. ex Pursh) Britton -- not accepted
  Cimicifuga cordifolia Pursh -- not accepted
  Clarkia Pursh -- accepted -- fairyfan
  Clarkia pulchella Pursh -- accepted -- pinkfairies
  Claytonia caroliniana var. lanceolata (Pall. ex Pursh) S. Watson -- not accepted
  Claytonia lanceolata Pall. ex Pursh -- accepted -- lanceleaf springbeauty
  Claytonia lanceolata var. lanceolata Pall. ex Pursh -- not accepted -- lanceleaf springbeauty
  Clematis catesbyana Pursh -- accepted -- satincurls
  Clematis crispa var. walteri Pursh -- not accepted
  Clematis hirsutissima Pursh -- accepted -- hairy clematis, sugarbowls
  Clematis hirsutissima var. hirsutissima Pursh -- accepted -- hairy clematis
  Cleome pinnata Pursh -- not accepted
  Cleome serrulata Pursh -- not accepted -- bee spiderflower, Rocky Mountain beeplant
  Cogswellia nudicaulis (Pursh) M.E. Jones -- not accepted
  Collinsia tenella (Pursh) Piper -- not accepted
  Convolvulus spithamaea var. catesbeiana (Pursh) Tryon -- not accepted
  Convolvulus spithamaea var. catesbiana (Pursh) Tryon -- not accepted
  Coriflora hirsutissima (Pursh) W.A. Weber -- not accepted
  Cracca chrysophylla (Pursh) Kuntze -- not accepted
  Crocanthemum rosmarinifolium (Pursh) Janch. -- not accepted
  Crotonopsis argentea Pursh -- not accepted
  Crotonopsis argentea var. elliptica (Willd.) Pursh -- not accepted
  Crotonopsis argentea var. linearis (Michx.) Pursh -- not accepted
  Cynanchum palustre (Pursh) A. Heller -- not accepted
  Cynosurus secundus Pursh -- not accepted
  Cyperus flavescens var. poiformis (Pursh) Fernald -- not accepted
  Cyperus niger var. castaneus (Pursh) Kük. -- not accepted
  Dalea laxiflora Pursh -- not accepted
  Dalea pedunculata Pursh -- not accepted
  Dasiphora floribunda (Pursh) Raf. -- not accepted -- shrubby cinquefoil
  Dasiphora fruticosa ssp. floribunda (Pursh) Kartesz -- not accepted -- bush cinquefoil, golden hardhack, shrubby cinquefoil, widdy
  Dentaria tenella Pursh -- not accepted
  Desmodium strictum (Pursh) DC. -- accepted -- pine barren ticktrefoil, pinebarren ticktrefoil
  Diapedium brachiatum (Pursh) Kuntze -- not accepted
  Dichrophyllum marginatum (Pursh) Klotzsch & Garcke -- not accepted
  Dicliptera brachiata (Pursh) Spreng. -- accepted -- branched foldwing
  Dieteria canescens (Pursh) Nutt. -- accepted -- hoary tansyaster, hoary-aster
  Dieteria canescens var. canescens (Pursh) Nutt. -- accepted
  Dieteria spinulosa (Pursh) Nutt. -- not accepted
  Dinebra secunda (Pursh) Roem. & Schult. -- not accepted
  Diodia hirsuta Pursh -- not accepted
  Diphasiastrum tristachyum (Pursh) Holub -- not accepted -- deeproot clubmoss
  Diphasium tristachyum (Pursh) Rothm. -- not accepted
  Doellingeria reticulata (Pursh) Greene -- not accepted
  Dondia depressa auct. non (Pursh) Britton -- not accepted
  Draba glabella Pursh -- accepted -- smooth draba
  Draba glabella var. glabella Pursh -- not accepted -- smooth draba, smooth whitlowgrass
  Drosera brevifolia Pursh -- accepted -- dwarf sundew
  Drymocallis agrimonioides (Pursh) Rydb. -- not accepted
  Drymocallis arguta (Pursh) Rydb. -- accepted -- tall cinquefoil
  Echinochloa crus-galli f. mitis (Pursh) Farw. -- not accepted
  Echinochloa crus-galli f. purpurea (Pursh) Farw. -- not accepted
  Echinochloa crus-galli var. mitis (Pursh) Peterm. -- accepted
  Echinochloa walteri (Pursh) A. Heller -- accepted -- coast cockspur, coast cockspur grass, échinochloé de Walter, Walter's barnyard grass
  Echinochloa walteri f. walteri (Pursh) A. Heller -- not accepted
  Elaeagnus argentea Pursh -- not accepted
  Elatine americana (Pursh) Arn. -- accepted -- American waterwort
  Elatine triandra var. americana (Pursh) Fassett -- not accepted
  Elodea occidentalis (Pursh) H. St. John -- not accepted
  Elymus spicatus (Pursh) Gould -- not accepted
  Elytrigia spicata (Pursh) D.R. Dewey -- not accepted
  Epilobium luteum Pursh -- accepted -- yellow willowherb
  Epilobium rosmarinifolium Pursh -- not accepted
  Eragrostis pectinacea var. spectabilis (Pursh) A. Gray -- not accepted
  Eragrostis spectabilis (Pursh) Steud. -- accepted -- petticoat-climber, purple lovegrass
  Eragrostis spectabilis var. spectabilis (Pursh) Steud. -- not accepted
  Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird -- accepted -- goldenbush, rubber rabbitbrush
  Ericameria nauseosa ssp. nauseosa (Pall. ex Pursh) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa ssp. nauseosa var. nauseosa (Pall. ex Pursh) G.L. Nesom & Baird -- not accepted -- rubber rabbitbrush
  Ericameria nauseosa var. nauseosa (Pall. ex Pursh) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Erigeron compositus Pursh -- accepted -- cutleaf daisy, dwarf mountain fleabane, fernleaf fleabane, vergerette ŕ feuilles segmentées
  Erigeron compositus var. compositus Pursh -- not accepted -- dwarf mountain fleabane
  Erigeron peregrinus (Banks ex Pursh) Greene -- accepted -- subalpine fleabane, wandering daisy, wandering fleabane
  Erigeron peregrinus ssp. peregrinus (Banks ex Pursh) Greene -- accepted -- subalpine fleabane
  Erigeron peregrinus ssp. peregrinus var. peregrinus (Banks ex Pursh) Greene -- not accepted -- subalpine fleabane
  Erigeron peregrinus var. peregrinus (Banks ex Pursh) Greene -- accepted -- subalpine fleabane, wandering fleabane
  Eriocarpum spinulosum (Pursh) Greene -- not accepted
  Eriocoma membranacea (Pursh) Beal -- not accepted
  Eriogonum pauciflorum Pursh -- accepted -- few-flower wild buckwheat, fewflower buckwheat, manybranch eriogonum
  Eriogonum pauciflorum var. pauciflorum Pursh -- not accepted -- few-flower wild buckwheat, fewflower buckwheat
  Eriogynia pectinata (Pursh) Hook. -- not accepted
  Eriophyllum lanatum (Pursh) Forbes -- accepted -- common woolly sunflower, woody eriophyllum, woolly eriophyllum, wooly daisy
  Eriophyllum lanatum var. lanatum (Pursh) Forbes -- accepted -- common eriophyllum, common woolly sunflower
  Erysimum pallasi (Pursh) Fernald -- not accepted
  Erysimum pallasii (Pursh) Fernald -- accepted -- Pallas' wallflower
  Erysimum pallasii var. pallasii (Pursh) Fernald -- not accepted -- Pallas' wallflower
  Erythrocoma ciliata (Pursh) Greene -- not accepted
  Erythrocoma triflora (Pursh) Greene -- not accepted
  Erythronium grandiflorum Pursh -- accepted -- dogtooth lily, yellow avalanche-lily
  Erythronium grandiflorum ssp. grandiflorum Pursh -- accepted -- yellow avalanche-lily
  Eupatorium purpureum var. amoenum (Pursh) A. Gray -- not accepted
  Euphorbia marginata Pursh -- accepted -- smoke-on-the-prairie, snow on the mountain, snow-on-the-mountain, variegated spurge, whitemargined spurge
  Euphorbia obtusata Pursh -- not accepted
  Euphorbia pilosa Pursh -- not accepted
  Eurotia lanata (Pursh) Moq. -- not accepted
  Euthamia tenuifolia (Pursh) Nutt. -- not accepted -- slender goldentop
  Euthamia tenuifolia var. tenuifolia (Pursh) Nutt. -- not accepted -- slender goldentop
  Evolvulus argenteus Pursh -- not accepted
  Festuca spicata Pursh -- not accepted
  Frasera fastigiata (Pursh) A. Heller -- accepted -- clustered green gentian
  Fritillaria lanceolata Pursh -- not accepted
  Fritillaria pudica (Pursh) Spreng. -- accepted -- yellow bells, yellow fritillary, yellow missionbells, yellowbells
  Gaillardia aristata Pursh -- accepted -- common gaillardia, gaillardia, great blanket-flower
  Galarhoeus obtusatus (Pursh) Small ex Rydb. -- not accepted
  Galearis rotundifolia (Banks ex Pursh) R.M. Bateman -- accepted -- roundleaf orchid
  Galium brachiatum Pursh -- not accepted
  Galium brachiatum sensu Muhl., non Pursh -- not accepted
  Galium hispidum Pursh -- not accepted
  Gaultheria shallon Pursh -- accepted -- salal, shallal
  Gaura coccinea Nutt. ex Pursh -- not accepted -- scarlet beeblossom, scarlet gaura, Scarlet guara
  Gaylussacia tomentosa (A. Gray) Pursh ex Small -- accepted -- hairytwig dangleberry, hairytwig huckleberry
  Geum agrimonioides Pursh -- not accepted
  Geum ciliatum Pursh -- not accepted
  Geum peckii Pursh -- accepted -- mountain avens
  Geum triflorum Pursh -- accepted -- old man's whiskers, prairie smoke, prairiesmoke
  Geum triflorum var. ciliatum (Pursh) Fassett -- accepted -- old man's whiskers
  Geum triflorum var. triflorum Pursh -- accepted -- old man's whiskers, old-man's-whiskers
  Gilia aggregata (Pursh) Spreng. -- not accepted
  Glycine reniformis Pursh -- not accepted
  Glycyrrhiza lepidota Pursh -- accepted -- American licorice, licorice, wild licorice
  Glycyrrhiza lepidota var. lepidota Pursh -- not accepted -- wild licorice
  Gratiola aurea Pursh -- accepted -- golden hedge-hyssop, golden hedgehyssop
  Grindelia squarrosa (Pursh) Dunal -- accepted -- curlycup gumweed, curlytop gumweed, gumweed, rosinweed, tarweed
  Grindelia squarrosa var. squarrosa (Pursh) Dunal -- not accepted -- curly-cup gumweed, curlycup gumweed, curlytop gumweed, gumweed, rosinweed, tarweed
  Grossularia menziesii (Pursh) Coville & Britton -- not accepted
  Grossularia speciosa (Pursh) Coville & Britton -- not accepted
  Gutierrezia sarothrae (Pursh) Britton & Rusby -- accepted -- broom snakeweed, broomweed, perennial snakeweed, stinkweed, turpentine weed, yellow top
  Habenaria dilatata (Pursh) Hook. -- not accepted
  Habenaria obtusata (Banks ex Pursh) Richardson -- not accepted
  Habenaria orbiculata (Pursh) Hook. -- not accepted
  Halerpestes cymbalaria (Pursh) Greene -- not accepted
  Hamamelis macrophylla Pursh -- not accepted
  Hamamelis virginiana var. macrophylla (Pursh) Nutt. -- not accepted
  Haplopappus spinulosus (Pursh) DC. -- not accepted -- cutleaf ironplant, ironplant, lacy tansyaster
  Hedeoma hispida Pursh -- accepted -- false pennyroyal, falsepennyroyal, rough false pennyroyal, rough falsepennyroyal, rough pennyroyal
  Hedeoma hispidum Pursh -- not accepted
  Hedysarum alpinum ssp. americanum (Michx. ex Pursh) B. Fedtsch. -- not accepted
  Hedysarum americanum (Michx. ex Pursh) Britton -- not accepted
  Helianthemum rosmarinifolium Pursh -- accepted -- rosemary frostweed
  Helianthus longifolius Pursh -- accepted -- longleaf sunflower
  Helianthus radula (Pursh) Torr. & A. Gray -- accepted -- rayless sunflower, stiff sunflower
  Helonias tenax Pursh -- not accepted
  Hepatica acuta (Pursh) Britton -- not accepted
  Hepatica nobilis var. acuta (Pursh) Steyerm. -- not accepted -- sharplobe hepatica
  Hepatica nobilis var. obtusa (Pursh) Steyerm. -- not accepted -- roundlobe hepatica
  Hepatica triloba var. acuta Pursh -- not accepted
  Heterotheca falcata (Pursh) V.L. Harms -- not accepted
  Heterotheca scabra (Pursh) DC. -- not accepted
  Heterotheca villosa (Pursh) Shinners -- accepted -- hairy false goldaster, hairy false goldenaster, hairy goldaster, hairy goldenaster
  Heterotheca villosa var. villosa (Pursh) Shinners -- accepted -- hairy false golden-aster, hairy false goldenaster
  Heuchera americana var. hispida (Pursh) E.F. Wells -- accepted -- American alumroot, hairy alumroot
  Heuchera hispida auct. non Pursh -- not accepted
  Heuchera hispida Pursh -- not accepted
  Heuchera pubescens Pursh -- accepted -- downy alumroot
  Hieracium canadense var. fasciculatum (Pursh) Fernald -- not accepted -- Canadian hawkweed
  Hieracium kalmii var. fasciculatum (Pursh) Lepage -- not accepted
  Hirculus serpyllifolius (Pursh) W.A. Weber -- not accepted
  Holodiscus discolor (Pursh) Maxim. -- accepted -- creambush, creambush oceanspray, hillside oceanspray, oceanspray
  Holodiscus discolor var. discolor (Pursh) Maxim. -- accepted -- creambush, oceanspray
  Homalobus tenellus (Pursh) Britton -- not accepted
  Hymenopappus tenuifolius Pursh -- accepted -- Chalk Hill hymenopappus, chalkhill woollywhite, Chalkhill woolywhite
  Hymenoxys acaulis (Pursh) K.F. Parker -- not accepted -- stemless hymenoxys
  Hypericum densiflorum Pursh -- accepted -- bushy St. Johnswort, dense St. Johnswort
  Hypericum tenuifolium Pursh -- accepted -- Atlantic St. Johnswort
  Ilex coriacea (Pursh) Chapm. -- accepted -- large gallberry
  Ilex laevigata (Pursh) A. Gray -- accepted -- smooth winterberry
  Ipomoea carolina (L.) Pursh -- not accepted
  Ipomoea dissecta (Jacq.) Pursh -- not accepted
  Ipomopsis aggregata (Pursh) V.E. Grant -- accepted -- scarlet gilia, skyrocket gilia
  Ipomopsis aggregata ssp. aggregata (Pursh) V.E. Grant -- accepted -- scarlet gilia, skyrocket gilia
  Iris prismatica Pursh ex Ker Gawl. -- accepted -- slender blue iris
  Iris tridentata Pursh -- accepted -- savannah iris
  Isotria medeoloides (Pursh) Raf. -- accepted -- green fiveleaf orchid, small whorled pogonia
  Iva axillaris Pursh -- accepted -- deer-root, lesser marshelder, mouseear povertyweed, poverty sumpweed, poverty weed, povertyweed, smallflowered marshelder
  Iva axillaris var. axillaris Pursh -- not accepted
  Juniperus communis ssp. depressa (Pursh) Franco -- not accepted
  Juniperus communis var. depressa Pursh -- accepted -- common juniper
  Juniperus depressa (Pursh) Raf. -- not accepted
  Jussiaea subacaulis Pursh -- not accepted
  Justicia brachiata Pursh -- not accepted
  Kalmia polifolia var. rosmarinifolia (Pursh) Rehder -- not accepted
  Krascheninnikovia lanata (Pursh) A. Meeuse & A. Smit -- accepted -- winterfat
  Lacinaria gracilis (Pursh) Kuntze -- not accepted
  Lacinaria pauciflora (Pursh) Kuntze -- not accepted
  Lactuca pulchell (Pursh) DC. -- not accepted
  Lactuca pulchella (Pursh) DC. -- not accepted -- blue lettuce
  Lactuca tatarica ssp. pulchella (Pursh) Stebbins -- not accepted
  Lactuca tatarica var. pulchella (Pursh) Breitung -- not accepted -- blue lettuce, blue wild lettuce, chicory lettuce, Russian blue lettuce
  Lathyrus decaphyllus Pursh -- not accepted
  Lathyrus stipulaceus (Pursh) Butters & H. St. John -- not accepted
  Lepachys columnaris (Pursh) Torr. & A. Gray -- not accepted
  Lepadena marginata (Pursh) Nieuwl. -- not accepted
  Lepargyrea argentea (Pursh) Greene -- not accepted
  Lepidanthus suaveolens (Pursh) Nutt. -- not accepted
  Lepidotheca suaveolens (Pursh) Nutt. -- not accepted
  Lespedeza angustifloia (Pursh) Elliott -- not accepted
  Lespedeza angustifolia (Pursh) Elliott -- accepted -- narrowleaf lespedeza
  Leutkea pectinata (Pursh) Kuntze -- not accepted
  Lewisia Pursh -- accepted -- bitterroot
  Lewisia rediviva Pursh -- accepted -- bitter root, bitterroot, Oregon bitter-root
  Lewisia rediviva var. rediviva Pursh -- accepted -- bitter root, Oregon bitterroot
  Liatris gracilis Pursh -- accepted -- slender blazing star
  Liatris patens Pursh -- accepted
  Liatris pauciflora Pursh -- accepted -- fewflower blazing star
  Liatris pauciflora var. pauciflora Pursh -- accepted
  Lilium pudicum Pursh -- not accepted
  Lilium umbellatum Pursh -- not accepted
  Limnorchis dilatata (Pursh) Rydb. -- not accepted
  Lindernia dubia var. major (Pursh) Pennell -- not accepted
  Linum lewisii Pursh -- accepted -- blue flax, Lewis' blue flax, Lewis' flax, prairie flax
  Linum lewisii auct. non Pursh -- not accepted
  Linum lewisii var. lewisii Pursh -- accepted -- Lewis' flax, prairie flax
  Linum perenne ssp. lewisii (Pursh) Hultén -- not accepted
  Linum perenne var. lewisii (Pursh) Eaton & J. Wright -- not accepted
  Linum rigidum Pursh -- accepted -- orange flax, stiff flax, stiffstem flax
  Linum rigidum var. rigidum Pursh -- accepted -- large-flower yellow flax, largeflower yellow flax, stiffstem flax
  Lomatium divaricatum (Pursh) Nutt. ex Torr. & A. Gray -- not accepted
  Lomatium nudicaule (Pursh) J.M. Coult. & Rose -- accepted -- barestem biscuitroot
  Lomatium triternatum (Pursh) J.M. Coult. & Rose -- accepted -- nineleaf biscuitroot
  Lomatium triternatum var. triternatum (Pursh) J.M. Coult. & Rose -- accepted -- nineleaf biscuitroot
  Lonicera ciliosa (Pursh) Poir. ex DC. -- accepted -- orange honeysuckle
  Lophiola americana (Pursh) Alph. Wood -- not accepted
  Lotus sericeus Pursh -- not accepted
  Luetkea pectinata (Pursh) Kuntze -- accepted -- partridgefoot
  Lupinaster macrocephalus Pursh -- not accepted
  Lupinus argenteus Pursh -- accepted -- silvery lupine
  Lupinus argenteus ssp. argenteus Pursh -- accepted -- silver-stem lupine, silvery lupine
  Lupinus argenteus ssp. argenteus var. argenteus Pursh -- not accepted -- silver-stem lupine, silvery lupine
  Lupinus argenteus var. argenteus Pursh -- accepted -- silver-stem lupine, silvery lupine
  Lupinus argentus Pursh -- not accepted
  Lupinus argentus var. argentus Pursh -- not accepted
  Lupinus pusillus Pursh -- accepted -- low lupine, rusty lupine, small lupine
  Lupinus pusillus ssp. pusillus Pursh -- accepted -- rusty lupine
  Lupinus sericeus Pursh -- accepted -- Pursh's silky lupine, silky lupine
  Lupinus sericeus ssp. sericeus Pursh -- accepted -- silky lupine
  Lupinus sericeus ssp. sericeus var. sericeus Pursh -- not accepted -- silky lupine
  Lupinus sericeus var. sericeus Pursh -- accepted -- silky lupine
  Lycopodium clavatum var. tristachyum (Pursh) Hook. -- not accepted
  Lycopodium tristachyum Pursh -- accepted -- deeproot clubmoss
  Lygodesma juncea (Pursh) D. Don ex Hook. -- not accepted
  Lygodesmia juncea (Pursh) D. Don ex Hook. -- accepted -- rush skeleton-plant, rush skeletonplant, rush skeletonweed, skeletonplant, skeletonweed
  Lyonia palustris (Pursh) Small -- not accepted
  Lysias orbiculata (Pursh) Rydb. -- not accepted
  Lysiella obtusata (Banks ex Pursh) Rydb. -- not accepted
  Lysimachia longifolia Pursh -- not accepted
  Lythrum alatum Pursh -- accepted -- wing-angle loosestrife, winged lythrum
  Lythrum alatum var. alatum Pursh -- accepted -- wing-angle loosestrife, winged lythrum
  Machaeranthera canescens (Pursh) A. Gray -- not accepted -- hoary aster, hoary goldenweed, hoary machaeranthera, hoary tansy-aster, hoary tansyaster, purple aster
  Machaeranthera canescens ssp. canescens (Pursh) A. Gray -- not accepted -- hoary tansy-aster, hoary tansyaster, ironplant goldenweed
  Machaeranthera canescens ssp. canescens var. canescens (Pursh) A. Gray -- not accepted -- cutleaf goldenweed, hoary tansy-aster, hoary tansyaster, ironplant goldenweed, spiny goldenweed
  Machaeranthera canescens var. canescens (Pursh) A. Gray -- not accepted -- hoary tansyaster
  Machaeranthera spinulosa (Greene) Cory non Amellus spinulosa Pursh -- not accepted
  Mahonia aquifolium (Pursh) Nutt. -- not accepted -- hollyleaved barberry
  Mahonia nervosa (Pursh) Nutt. -- not accepted -- Cascade barberry
  Mahonia nervosa var. nervosa (Pursh) Nutt. -- not accepted -- Cascade Oregon grape
  Malvastrum hispidum (Pursh) Hochr. -- accepted -- hispid false mallow
  Matricaria suaveolens (Pursh) Buchenau non L. -- not accepted
  Megastachya spectabilis (Pursh) Roem. & Schult. -- not accepted
  Meibomia stricta (Pursh) Kuntze -- not accepted
  Melica diffusa Pursh -- not accepted
  Melica mutica f. diffusa (Pursh) Fernald -- not accepted
  Melica mutica var. diffusa (Pursh) A. Gray -- not accepted
  Mentzelia decapetala (Pursh ex Sims) Urb. & Gilg -- accepted -- evening starflower, gumbo-lily, tenpetal blazingstar, tenpetal mentzelia, tenpetal stickleaf
  Mentzelia nuda (Pursh) Torr. & A. Gray -- accepted -- bractless blazingstar, goodmother, stickleaf mentzelia
  Mentzelia nuda var. nuda (Pursh) Torr. & A. Gray -- accepted -- bractless blazingstar
  Mertensia lanceolata (Pursh) DC. -- accepted -- lanceleaf bluebells, prairie bluebells
  Mertensia lanceolata var. lanceolata (Pursh) DC. -- accepted -- prairie bluebells
  Mesynium rigidum (Pursh) Á. Löve & D. Löve -- not accepted
  Microphacos parviflorus (Pursh) Rydb. -- not accepted
  Microseris cuspidata (Pursh) Sch. Bip. -- not accepted
  Milium amphicarpon Pursh -- not accepted
  Mimulus lewisii Pursh -- accepted -- Lewis' monkeyflower, purple monkeyflower
  Minuartia macrocarpa (Pursh) Ostenf. -- accepted -- longpod stitchwort
  Mirabilis hirsuta (Pursh) MacMill. -- not accepted -- hairy four o'clock, hairy four-o'clock
  Mirabilis hirsuta var. linearis (Pursh) B. Boivin -- not accepted
  Mirabilis linearis (Pursh) Heimerl -- accepted -- four o'clock, linearleaf four-o'clock, narrowleaf four o'clock, narrowleaf four-o'clock
  Mirabilis linearis var. linearis (Pursh) Heimerl -- accepted -- narrowleaf four o'clock
  Mulgedium pulchellum (Pursh) G. Don -- not accepted
  Musineon divaricatum (Pursh) Raf. -- accepted -- leafy musineon, leafy wild parsley, leafy wildparsley, wildparsley
  Musineon divaricatum var. divaricatum (Pursh) Raf. -- accepted -- leafy wildparsley
  Musineum divaricatum (Pursh) Nutt. ex Torr. & A. Gray -- not accepted
  Nabalus serpentarius (Pursh) Hook. -- not accepted
  Nicotiana bigelovii var. quadrivalvis (Pursh) Eastw. -- not accepted
  Nicotiana quadrivalvis Pursh -- accepted -- Indian tobacco
  Nicotiana quadrivalvis var. quadrivalvis Pursh -- accepted -- Indian tobacco
  Nothocalais cuspidata (Pursh) Greene -- accepted -- microseris, sharppoint microseris, sharppoint prairie-dandelion, wavy-leaf prairie-dandelion
  Notholaena dealbata (Pursh) Kunze -- not accepted
  Nuphar sagittifolia (Walter) Pursh -- accepted -- yellow pond-lily
  Nuttallia decapetala (Pursh ex Sims) Greene -- not accepted
  Nuttallia nuda (Pursh) Greene -- not accepted
  Nymphaea odorata var. rosea Pursh -- not accepted
  Ochrocodon pudicus (Pursh) Rydb. -- not accepted
  Oclemena reticulata (Pursh) G.L. Nesom -- accepted -- pine barren whitetop aster, pinebarren whitetop aster
  Odostemon aquifolium (Pursh) Rydb. -- not accepted
  Odostemon nervosus (Pursh) Rydb. -- not accepted
  Oenothera albicaulis Pursh -- accepted -- halfshrub sundrop, white-stem evening-primrose, whitest evening primrose, whitest evening-primrose, whitest eveningprimrose
  Oenothera subacaulis (Pursh) Garrett -- not accepted
  Oenothera tetragona var. fraseri (Pursh) Munz -- not accepted
  Orchis rotundifolia Banks ex Pursh -- not accepted
  Oreocarya glomerata (Pursh) Greene -- not accepted
  Orophaca triphylla (Pursh) Isely -- not accepted
  Orthocarpus tenuifolius (Pursh) Benth. -- accepted -- thinleaved owl's-clover
  Oryzopsis membranacea (Pursh) Vasey -- not accepted
  Oxalis corniculata var. lyonii (Pursh) Zucc. -- not accepted
  Oxalis lyonii Pursh -- not accepted
  Oxybaphus hirsutus (Pursh) Sweet -- not accepted
  Oxybaphus linearis (Pursh) B.L. Rob. -- not accepted
  Oxycoccus erectus Pursh -- not accepted
  Oxycoccus macrocarpus (Aiton) Pursh -- not accepted
  Oxypolis longifolia (Pursh) Small -- not accepted
  Oxypolis rigidior var. longifolia (Pursh) Britton -- not accepted
  Oxytropis lambertii Pursh -- accepted -- Lambert's crazyweed, Lambert's locoweed, purple loco, purple locoweed, stemless loco, white woollyloco, whitepoint locoweed
  Oxytropis lambertii var. lambertii Pursh -- accepted -- purple locoweed
  Pachystima myrsinites (Pursh) Raf. -- not accepted
  Packera cymbalaria (Pursh) W.A. Weber & Á. Löve -- accepted -- dwarf arctic ragwort
  Packera pauciflora (Pursh) Á. Löve & D. Löve -- accepted -- alpine groundsel
  Panicum crus-galli var. aristatum Pursh -- not accepted
  Panicum crus-galli var. purpureum Pursh -- not accepted
  Panicum crus-galli var. walteri (Pursh) Farw. -- not accepted
  Panicum crusgalli var. mite Pursh -- not accepted
  Panicum elongatum Pursh -- not accepted
  Panicum elongatum var. elongatum Pursh -- not accepted
  Panicum latifolium var. clandestinum (L.) Pursh -- not accepted
  Panicum nitidum var. majus Pursh -- not accepted
  Panicum strictum Pursh -- not accepted
  Panicum walteri Pursh -- not accepted
  Parthenocissus hirsuta (Pursh) Graebn. -- not accepted
  Parthenocissus quinquefolia var. hirsuta (Pursh) Planch. -- not accepted
  Paxistima myrsinites (Pursh) Raf. -- accepted -- boxleaf, boxleaf myrtle, mountain lover, Oregon boxleaf
  Pedicularis elata sensu Pursh -- not accepted
  Pediomelum argophyllum (Pursh) J.W. Grimes -- accepted -- silverleaf Indian breadroot, silverleaf scurfpea
  Pediomelum cuspidatum (Pursh) Rydb. -- accepted -- largebract Indian breadroot, tallbread scurfpea
  Pediomelum esculentum (Pursh) Rydb. -- accepted -- breadroot scurfpea, Indian breadroot, large Indian breadroot
  Pellaea dealbata (Pursh) Prantl -- not accepted
  Penstemon angustifolius Nutt. ex Pursh -- accepted -- broad-beard beardtongue, broadbeard beardtongue, narrowleaf penstemon
  Penstemon angustifolius var. angustifolius Nutt. ex Pursh -- accepted -- broad-beard beardtongue, broadbeard beardtongue
  Penstemon bradburii Pursh -- not accepted
  Penstemon eriantherus Pursh -- accepted -- fuzzytongue penstemon
  Penstemon eriantherus var. eriantherus Pursh -- accepted -- fuzzy-tongue beardtongue, fuzzytongue penstemon
  Penstemon fruticosus (Pursh) Greene -- accepted -- bush penstemon
  Penstemon fruticosus var. fruticosus (Pursh) Greene -- accepted -- bush penstemon
  Penstemon glaber Pursh -- accepted -- sawsepal penstemon, western smooth beardtongue
  Penstemon glaber var. glaber Pursh -- accepted -- sawsepal penstemon, western smooth beardtongue
  Pentaphylloides floribunda (Pursh) Á. Löve -- not accepted -- shrubby cinquefoil
  Penthorum chinense Pursh -- accepted
  Peritoma serrulata (Pursh) DC. -- accepted -- Rocky Mountain beeplant
  Persea borbonia var. pubescens (Pursh) Little -- not accepted -- swampbay
  Persea pubescens (Pursh) Sarg. -- not accepted
  Persicaria bistortoides (Pursh) H. Hinds -- not accepted
  Petasites frigidus var. sagittatus (Banks ex Pursh) Chern. -- accepted -- arrowleaf sweet coltsfoot
  Petasites sagittatus (Banks ex Pursh) A. Gray -- not accepted -- arrow butterbur, arrow-leaf sweet-colt's-foot, arrowleaf sweet coltsfoot
  Phaca longifolia (Pursh) Nutt. -- not accepted
  Phacelia heterophylla Pursh -- accepted -- variable-leaf scorpion-weed, varileaf phacelia, virgate phacelia, wand phacelia
  Phacelia heterophylla ssp. heterophylla Pursh -- accepted -- variable-leaf scorpion-weed, varileaf phacelia
  Phacelia heterophyllum Pursh -- not accepted
  Phacelia heterophyllum var. heterophyllum Pursh -- not accepted
  Phacelia linearis (Pursh) Holz. -- accepted -- linearleaf phacelia, threadleaf phacelia
  Phalangium quamash Pursh -- not accepted
  Phemeranthus teretifolius (Pursh) Raf. -- accepted -- quill fameflower
  Philadelphus lewisii Pursh -- accepted -- Lewis' mock orange
  Philadelphus lewisii var. lewisii Pursh -- not accepted -- Lewis' mockorange
  Philotria occidentalis (Pursh) House -- not accepted
  Phlox acuminata Pursh -- accepted
  Phlox speciosa Pursh -- accepted -- showy phlox
  Phlox speciosa ssp. speciosa Pursh -- accepted -- showy phlox
  Phoradendron flavescens (Pursh) Nutt. ex A. Gray. -- not accepted
  Physocarpus capitatus (Pursh) Kuntze -- accepted -- Pacific ninebark
  Pieris floribunda (Pursh) Benth. & Hook. f. -- accepted -- mountain fetterbush
  Pinus fraseri Pursh -- not accepted
  Pityopsis falcata (Pursh) Nutt. -- accepted -- sickleleaf silkgrass
  Plantago elongata Pursh -- accepted -- longleaf plantain, prairie plantain, slender plantain
  Plantago elongata ssp. elongata Pursh -- accepted -- prairie plantain
  Platanthera dilatata (Pursh) Lindl. ex L.C. Beck -- accepted -- boreal bog orchid, scentbottle, white bog orchid
  Platanthera dilatata var. dilatata (Pursh) Lindl. ex L.C. Beck -- accepted -- scentbottle
  Platanthera obtusata (Banks ex Pursh) Lindl. -- accepted -- bluntleaved orchid, northern small bog orchid
  Platanthera obtusata ssp. obtusata (Banks ex Pursh) Lindl. -- accepted -- bluntleaved orchid
  Platanthera orbiculata (Pursh) Lindl. -- accepted -- lesser roundleaved orchid
  Platanthera orbiculata var. orbiculata (Pursh) Lindl. -- not accepted -- large roundleaved orchid
  Poa hirsuta var. spectabilis (Pursh) Torr. -- not accepted
  Poa parviflora Pursh -- not accepted
  Poa quinquefida Pursh -- not accepted
  Poa spectabilis Pursh -- not accepted
  Poa tenella Willd. (L. misappl. by) Pursh -- not accepted
  Poa viridis Schreb. ex Pursh -- not accepted
  Polygonatum canaliculatum auct. non (Muhl. ex Willd.) Pursh -- not accepted
  Polygonatum hirsutum (Bosc ex Poir.) Pursh -- not accepted
  Polygonatum hirtum (Bosc ex Poir.) Pursh -- not accepted -- broadleaf Solomon's seal
  Polygonatum pubescens (Willd.) Pursh -- accepted -- hairy Solomon's seal
  Polygonum bistortoides Pursh -- not accepted -- American bistort
  Pontederia cordata var. angustifolia (Pursh) Torr. -- not accepted
  Potentilla arguta Pursh -- not accepted -- tall cinquefoil
  Potentilla arguta ssp. arguta Pursh -- not accepted -- tall cinquefoil
  Potentilla emarginata Pursh -- not accepted
  Potentilla flabellifolia var. emarginata (Pursh) B. Boivin -- not accepted
  Potentilla floribunda Pursh -- not accepted
  Potentilla fruticosa ssp. floribunda (Pursh) Elkington -- not accepted
  Potentilla nivea var. villosa (Pall. ex Pursh) Regel & Tiling -- not accepted
  Potentilla pensylvanica var. strigosa Pursh -- not accepted -- Pennsylvania cinquefoil
  Potentilla strigosa (Pursh) Pall. ex Tratt. -- not accepted
  Potentilla villosa Pall. ex Pursh -- accepted -- villous cinquefoil
  Prenanthes serpentaria Pursh -- accepted -- cankerweed
  Prunus depressa Pursh -- not accepted
  Prunus pumila var. depressa (Pursh) Gleason -- not accepted -- eastern sandcherry
  Prunus pumila var. depressa (Pursh) Bean -- accepted -- eastern sandcherry
  Pseudoroegneria spicata (Pursh) Á. Löve -- accepted -- bluebunch wheatgrass, bluebunch-wheat grass
  Pseudoroegneria spicata f. spicata (Pursh) Á. Löve -- accepted
  Pseudoroegneria spicata ssp. spicata (Pursh) Á. Löve -- accepted -- bluebunch wheatgrass, bluebunch-wheat grass
  Psoralea argophylla Pursh -- not accepted
  Psoralea cuspidata Pursh -- not accepted
  Psoralea esculenta Pursh -- not accepted
  Psoralea lanceolata Pursh -- not accepted
  Psoralea tenuiflora Pursh -- not accepted
  Psoralidium argophyllum (Pursh) Rydb. -- not accepted
  Psoralidium lanceolatum (Pursh) Rydb. -- accepted -- dune scurfpea, lemon scurfpea, wild lemonweed
  Psoralidium tenuiflorum (Pursh) Rydb. -- accepted -- scurfpea, slimflower scurfpea
  Pulsatilla hirsutissima (Pursh) Britton -- not accepted
  Pulsatilla patens ssp. hirsutissima (Pursh) Zämelis -- not accepted
  Purshia tridentata (Pursh) DC. -- accepted -- antelope bitterbrush
  Purshia tridentata var. tridentata (Pursh) DC. -- accepted -- antelope bush
  Pyrus microcarpa (Pursh) Spreng. -- not accepted
  Pyrus sanguinea Pursh -- not accepted
  Pythius obtusata (Pursh) Raf. -- not accepted
  Ranunculus cymbalaria Pursh -- accepted -- alkali buttercup, shore buttercup
  Ranunculus cymbalaria var. cymbalaria Pursh -- not accepted -- alkali buttercup
  Ratibida columnaris (Pursh) D. Don -- not accepted
  Rhamnus lanceolata Pursh -- accepted -- lanceleaf buckthorn
  Rhamnus lanceolata ssp. lanceolata Pursh -- accepted -- lanceleaf buckthorn
  Rhamnus lanceolata var. lanceolata Pursh -- not accepted -- lanceleaf buckthorn
  Rhexia stricta Pursh -- not accepted
  Rhexia virginica var. septemnervia (Walter) Pursh -- not accepted
  Rhododendron arborescens (Pursh) Torr. -- accepted -- smooth azalea, sweet azalea
  Rhododendron hispidum (Pursh) Torr. -- not accepted
  Rhododendron nitidum (Pursh) Torr. -- not accepted
  Rhododendron viscosum var. nitidum (Pursh) A. Gray -- not accepted
  Ribes aureum Pursh -- accepted -- golden currant
  Ribes aureum var. aureum Pursh -- accepted -- golden currant
  Ribes laxiflorum Pursh -- accepted -- trailing black currant
  Ribes menziesii Pursh -- accepted -- canyon gooseberry
  Ribes menziesii var. menziesii Pursh -- not accepted -- canyon gooseberry
  Ribes resinosum Pursh -- not accepted
  Ribes sanguineum Pursh -- accepted -- redflower currant
  Ribes sanguineum var. sanguineum Pursh -- accepted -- redflower currant
  Ribes speciosum Pursh -- accepted -- fuchsiaflower gooseberry
  Ribes viscosissimum Pursh -- accepted -- sticky currant
  Ribes viscosissimum var. viscosissimum Pursh -- not accepted -- sticky currant
  Robinia hispida var. rosea Pursh -- accepted -- bristly locust
  Roegneria spicata (Pursh) Beetle -- not accepted
  Rosa carolina var. lyonii (Pursh) E.J. Palmer & Steyerm. -- not accepted
  Rosa lutescens Pursh -- not accepted
  Rosa lyonii Pursh -- not accepted
  Rosa suaveolens Pursh -- not accepted
  Rubus cuneifolius Pursh -- accepted -- sand blackberry
  Rubus spectabilis Pursh -- accepted -- salmonberry
  Rubus spectabilis var. spectabilis Pursh -- not accepted -- salmonberry
  Rudbeckia columnaris Pursh non Sims -- not accepted
  Rudbeckia subtomentosa Pursh -- accepted -- sweet coneflower
  Ruellia caroliniensis ssp. ciliosa (Pursh) R.W. Long -- not accepted -- Carolina wild petunia
  Ruellia ciliosa Pursh -- accepted -- Sandhills wild petunia
  Ruellia hybrida Pursh -- not accepted
  Ruellia hybrida sensu Small, non Pursh -- not accepted
  Rumex venosus Pursh -- accepted -- veiny dock
  Sabatia angularis (L.) Pursh -- accepted -- rosepink, squarestem rosegentian
  Sabatia chloroides (Michx.) Pursh -- not accepted
  Sabatia paniculata (Michx.) Pursh -- not accepted
  Sabatia paniculata auct. non (Michx.) Pursh -- not accepted
  Sabatia stellaris Pursh -- accepted -- rose of Plymouth
  Sagittaria chinensis Pursh -- not accepted
  Sagittaria falcata Pursh -- not accepted
  Sagittaria rigida Pursh -- accepted -- Sagittaire dressee, sagittaire dressée, sessile-fruited arrowhead, sessilefruit arrowhead
  Salicornia europaea var. simplex (Pursh) Fernald -- not accepted
  Salix ambigua Pursh -- not accepted
  Salix angustata Pursh -- not accepted
  Salix cordata var. angustata (Pursh) Andersson -- not accepted
  Salix cordifolia Pursh -- not accepted
  Salix discolor var. prinoides (Pursh) Andersson -- not accepted
  Salix falcata Pursh -- not accepted
  Salix fuscata Pursh -- not accepted
  Salix glauca var. callicarpaea (Pursh) Dorn -- accepted -- grayleaf willow
  Salix myricoides var. angustata (Pursh) Dippel -- not accepted
  Salix myrtilloides var. pedicellaris (Pursh) Andersson -- not accepted
  Salix nigra var. falcata (Pursh) Torr. -- not accepted
  Salix obovata Pursh -- not accepted
  Salix pedicellaris Pursh -- accepted -- bog willow
  Salix phylicifolia ssp. planifolia (Pursh) Hiitonen -- not accepted
  Salix planifolia Pursh -- accepted -- diamondleaf willow, plainleaf willow, tea-leaf willow
  Salix planifolia ssp. planifolia Pursh -- not accepted -- diamondleaf willow, tealeaf willow
  Salix prinoides Pursh -- not accepted
  Salix recurvata Pursh -- not accepted
  Salix reticulata var. vestita (Pursh) Andersson -- not accepted
  Salix rigida var. angustata (Pursh) Fernald -- not accepted
  Salix uva-ursi Pursh -- accepted -- bearberry willow
  Salix vestita Pursh -- accepted -- rock willow
  Santolina suaveolens Pursh -- not accepted
  Saxifraga flagellaris ssp. setigera (Pursh) Tolm. -- accepted -- whiplash saxifrage
  Saxifraga pectinata Pursh -- not accepted
  Saxifraga serpyllifolia Pursh -- accepted -- thymeleaf saxifrage
  Saxifraga setigera Pursh -- not accepted
  Schedonorus spicatus (Pursh) Roem. & Schult. -- not accepted
  Schizaea pusilla Pursh -- accepted -- little curlygrass fern
  Schoenoplectus robustus (Pursh) M.T. Strong -- not accepted -- sturdy bulrush
  Scirpus debilis Pursh, non Lam. -- not accepted
  Scirpus robustus Pursh -- not accepted
  Scrophularia lanceolata Pursh -- accepted -- lanceleaf figwort
  Scutellaria angustifolia Pursh -- accepted -- narrowleaf skullcap
  Scutellaria angustifolia ssp. angustifolia Pursh -- accepted -- narrowleaf skullcap
  Scutellaria nervosa Pursh -- accepted -- veiny skullcap
  Sedum stenopetalum Pursh -- accepted -- wormleaf stonecrop, yellow stonecrop
  Sedum stenopetalum ssp. stenopetalum Pursh -- not accepted -- wormleaf stonecrop
  Sedum stenopetalum var. stenopetalum Pursh -- accepted -- wormleaf stonecrop
  Senecio aureus var. gracilis (Pursh) Hook. -- not accepted
  Senecio cymbalaria Pursh -- not accepted -- dwarf arctic groundsel, dwarf arctic ragwort, séneçon fausse-cymbalaire
  Senecio gracilis Pursh -- not accepted
  Senecio pauciflorus Pursh -- not accepted -- alpine groundsel
  Sericotheca discolor (Pursh) Rydb. -- not accepted
  Seriphidium canum (Pursh) W.A. Weber -- not accepted
  Seymeria Pursh -- accepted -- black senna, blacksenna
  Seymeria pectinata Pursh -- accepted -- piedmont blacksenna
  Seymeria pectinata ssp. pectinata Pursh -- accepted -- piedmont blacksenna
  Shepherdia argentea (Pursh) Nutt. -- accepted -- silver buffaloberry
  Sida hispida Pursh -- not accepted
  Sideranthus spinulosus (Pursh) Sweet ex Rydb. -- not accepted
  Sidopsis hispida (Pursh) Rydb. -- not accepted
  Sieversia ciliata (Pursh) G. Don -- not accepted
  Sieversia peckii (Pursh) Rydb. -- not accepted
  Sieversia triflora (Pursh) R. Br. -- not accepted
  Silene ovata Pursh -- accepted -- Blue Ridge catchfly
  Silphium laevigatum Pursh -- not accepted
  Silphium laevigatum Elliot non Pursh -- not accepted
  Smilax walteri Pursh -- accepted -- coral greenbrier
  Solidago axillaris Pursh -- not accepted
  Solidago caesia var. axillaris (Pursh) A. Gray -- not accepted
  Solidago erecta Pursh -- accepted -- showy goldenrod
  Solidago macrophylla Banks ex Pursh -- accepted -- largeleaf goldenrod
  Solidago rugosa ssp. rugosa var. villosa (Pursh) Fernald -- not accepted -- wrinkleleaf goldenrod
  Solidago rugosa var. villosa (Pursh) Fern. -- not accepted -- wrinkleleaf goldenrod
  Solidago sarothrae Pursh -- not accepted
  Solidago speciosa var. erecta (Pursh) MacMill. -- not accepted -- showy goldenrod
  Solidago tenuifolia Pursh -- not accepted
  Sophia multifida (Pursh) O.E. Schulz -- not accepted
  Sorbus microcarpa Pursh -- not accepted
  Spiraea capitata Pursh -- not accepted
  Spiraea discolor Pursh -- not accepted
  Spiraea pectinata (Pursh) Torr. & A. Gray -- not accepted
  Stachys hispida Pursh -- accepted -- hispid hedgenettle
  Stachys palustris var. hispida (Pursh) B. Boivin -- not accepted
  Stachys tenuifolia var. hispida (Pursh) Fernald -- not accepted
  Stanleya pinnata (Pursh) Britton -- accepted -- desert prince's-plume, golden prince's-plume
  Stanleya pinnata var. pinnata (Pursh) Britton -- accepted -- desert princesplume, golden prince's-plume, pinnate princesplume
  Stipa membranacea Pursh -- not accepted
  Suaeda depressa auct. non (Pursh) S. Watson -- not accepted
  Swertia fastigiata Pursh -- not accepted
  Talinum teretifolium Pursh -- not accepted -- quill fameflower
  Tamala pubescens (Pursh) Small -- not accepted
  Tanacetum suaveolens (Pursh) Hook. -- not accepted
  Taraxia subacaulis (Pursh) Rydb. -- accepted -- diffuseflower evening primrose
  Tellima grandiflora (Pursh) Douglas ex Lindl. -- accepted -- bigflower tellima
  Tephrosia chrysophylla Pursh -- accepted -- scurf hoarypea
  Tetraneuris acaulis (Pursh) Greene -- accepted -- stemless actinea, stemless four-nerve daisy, stemless four-nerve-daisy, stemless hymenoxys
  Tetraneuris acaulis var. acaulis (Pursh) Greene -- accepted -- stemless bitterweed, stemless four-nerve daisy, stemless four-nerve-daisy
  Thalictrum pubescens Pursh -- accepted -- king of the meadow
  Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson -- accepted -- goldenpea, prairie thermopsis
  Thermopsis rhombifolia var. rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson -- not accepted -- prairie goldenbanner
  Tiarella menziesii Pursh -- not accepted
  Tigarea tridentata Pursh -- not accepted
  Tipularia discolor (Pursh) Nutt. -- accepted -- crippled cranefly
  Tithymalus obtusatus (Pursh) Klotzsch & Garcke -- not accepted
  Tolmiea menziesii (Pursh) Torr. & A. Gray -- accepted -- youth on age
  Trichodium elatum Pursh -- not accepted
  Trichostema dichotomum var. lineare (Walter) Pursh -- not accepted
  Tridens quinquefidus (Pursh) Roem. & Schult. -- not accepted
  Trientalis americana Pursh -- not accepted
  Trifolium macrocephalum (Pursh) Poir. -- accepted -- bighead clover, largehead clover
  Trifolium microcephalum Pursh -- accepted -- littlehead clover, small-head clover, smallhead clover
  Trillium erectum var. album Pursh -- not accepted
  Trillium ovatum Pursh -- accepted -- Pacific trillium
  Trillium ovatum ssp. ovatum Pursh -- not accepted -- Pacific trillium
  Trillium ovatum var. ovatum Pursh -- accepted -- Pacific trillium
  Trillium petiolatum Pursh -- accepted -- Idaho trillium
  Troximon glaucum Pursh -- not accepted
  Uniola virgata Bartram ex Pursh -- not accepted
  Urtica chamaedryoides Pursh -- accepted -- heartleaf nettle, slim stingingnettle
  Vaccinium ovatum Pursh -- accepted -- California huckleberry, evergreen blueberry, evergreen huckleberry
  Vaccinium ovatum var. ovatum Pursh -- not accepted -- evergreen huckleberry
  Valerianella chenopodiifolia (Pursh) DC. -- accepted -- goosefoot cornsalad
  Viburnum pubescens (Aiton) Pursh -- not accepted
  Viola bicolor Pursh -- accepted -- field pansy
  Viola nuttallii Pursh -- accepted -- Nuttall's violet, yellow prairie violet
  Viola papilionacea Pursh -- not accepted -- common blue violet, hooded blue violet, meadow violet
  Viola rostrata Pursh -- accepted -- long-spur violet, longspur violet, violette ŕ long éperon
  Viola selkirki Pursh ex Goldie -- not accepted
  Viola selkirkii Pursh ex Goldie -- accepted -- Selkirk's violet
  Viorna crispa var. walteri (Pursh) Small -- not accepted
  Viorna ovata (Pursh) Small -- not accepted
  Viscum flavescens sensu Pursh, non Viscum flavens Sw. -- not accepted
  Xanthisma spinulosum (Pursh) D.R. Morgan & R.L. Hartm. -- accepted -- cut-leaf ironplant, lacy tansyaster, spiny goldenweed
  Xanthisma spinulosum var. spinulosum (Pursh) D.R. Morgan & R.L. Hartm. -- accepted
  Xanthocephalum sarothrae (Pursh) Shinners -- not accepted
  Xanthoxalis lyonii (Pursh) Holub -- not accepted
  Xerophyllium tenax (Pursh) Nutt. -- not accepted
  Xerophyllum tenax (Pursh) Nutt. -- accepted -- common beargrass
  Xylosteon ciliatum Pursh -- not accepted
  Yucca angustifolia Pursh -- not accepted
  Zeia spicata (Pursh) Lunell -- not accepted
  Zigadenus elegans Pursh -- not accepted -- mountain deathcamas
  Zigadenus elegans ssp. elegans Pursh -- not accepted -- mountain deathcamas
   

A gray bar