491 Records
| Citation | Family Name |
| Abies concolor (Gordon & Glendower) Lindley ex Hildebrand |
PINACEAE |
| Acetosella vulgaris (K. Koch) Fourreau |
POLYGONACEAE |
| Achillea lanulosa Nuttall |
ASTERACEAE |
| Achnatherum scribneri (Vasey) Barkworth |
POACEAE |
| Acosta diffusa (Lamarck) Sojak |
ASTERACEAE |
| Actaea rubra (Aiton) Willdenow ssp arguta (Nuttall in Torrey & Gray) Hultén |
HELLEBORACEAE |
| Adenolinum lewisii (Pursh) Löve & Löve |
LINACEAE |
| Agalinis tenuifolia (M. Vahl) Rafinesque |
SCROPHULARIACEAE |
| Agastache foeniculum Kuntze |
LAMIACEAE |
| Agoseris aurantiaca (Hooker) Greene |
ASTERACEAE |
| Agoseris glauca (Pursh) Rafinesque |
ASTERACEAE |
| Agoseris glauca (Pursh) Rafinesque var. glauca |
ASTERACEAE |
| Agrimonia striata Michaux |
ROSACEAE |
| Agropyron mongolicum Keng |
POACEAE |
| Agrostis gigantea Roth |
POACEAE |
| Agrostis scabra Willdenow |
POACEAE |
| Aletes anisatus (A. Gray) Theobald & Tseng |
APIACEAE |
| Aliciella pinnatifida (Nuttall ex A. Gray) J.M. Porter |
POLEMONIACEAE |
| Alisma triviale Pursh |
ALISMATACEAE |
| Allium cernuum Roth |
ALLIACEAE |
| Allium textile Nelson & Macbride |
ALLIACEAE |
| Alnus incana (L.) Moench ssp tenuifolia (Nuttall) Breitung |
BETULACEAE |
| Alopecurus aequalis Sobolewski |
POACEAE |
| Alyssum parviflorum M. Bieberstein var. micranthum (C. A. Meyer in Fisher & Meyer) Dorn |
BRASSICACEAE |
| Ambrosia psilostachya De Candolle var coronopifolia (Torrey & Gray) Farwell |
ASTERACEAE |
| Amerosedum lanceolatum (Torrey) Löve & Löve |
CRASSULACEAE |
| Amorpha fruticosa L. |
FABACEAE |
| Androsace septentrionalis L. |
PRIMULACEAE |
| Anemone cylindrica A. Gray |
RANUNCULACEAE |
| Anemone multifida Poiret var globosa (Nuttall) Torrey & Gray |
RANUNCULACEAE |
| Anemonidium canadense (L.) Löve & Löve |
RANUNCULACEAE |
| Antennaria howellii Greene ssp neodioica (Greene) Bayer |
ASTERACEAE |
| Anticlea elegans (Pursh) Rydberg |
MELANTHIACEAE |
| Apera interrupta (L.) P. Beauvois |
POACEAE |
| Aphyllon fasciculatum (Nuttall) Torrey & Gray |
OROBANCHACEAE |
| Apocynum androsaemifolium L. |
APOCYNACEAE |
| Apocynum medium Greene |
APOCYNACEAE |
| Aquilegia coerulea James ex Torrey |
HELLEBORACEAE |
| Aralia nudicaulis L. |
ARALIACEAE |
| Arceuthobium vaginatum (Willdenow) K. Presl ssp cryptopodum (Engelmann) Hawksworth & Wiens |
VISCACEAE |
| Arctium minus (J. Hill) Bernhardi |
ASTERACEAE |
| Arctostaphylos uva-ursi (L.) Sprengel ssp adenotricha (Fernald & Macbride) Calder & Taylor |
ERICACEAE |
| Arctostaphylos uva-ursi (L.) Sprengel ssp coactilis (Fernald & Macbride) Löve et al. |
ERICACEAE |
| Argemone hispida A. Gray |
PAPAVERACEAE |
| Aristida purpurea Nuttall |
POACEAE |
| Arnica cordifolia Hooker |
ASTERACEAE |
| Arnica fulgens Pursh |
ASTERACEAE |
| Artemisia biennis Willdenow |
ASTERACEAE |
| Artemisia frigida Willdenow |
ASTERACEAE |
| Artemisia ludoviciana Nuttall ssp incompta (Nuttall) Keck |
ASTERACEAE |
| Artemisia ludoviciana Nuttall ssp ludoviciana |
ASTERACEAE |
| Asclepias pumila (A. Gray) Vail |
ASCLEPIADACEAE |
| Asclepias stenophylla A. Gray |
ASCLEPIADACEAE |
| Asplenium septentrionale (L.) Hoffman |
ASPLENIACEAE |
| Aster laevis L. var geyeri A. Gray |
ASTERACEAE |
| Aster lanceolatus Willdenow ssp hesperius (A. Gray) Semple & Chmielewski |
ASTERACEAE |
| Aster porteri A. Gray |
ASTERACEAE |
| Astragalus adsurgens Pallas var robustior Hooker |
FABACEAE |
| Astragalus agrestis Douglas ex G. Don |
FABACEAE |
| Astragalus crassicarpus Nuttall |
FABACEAE |
| Astragalus drummondii Douglas ex Hooker |
FABACEAE |
| Astragalus flexuosus (Hooker) G. Don |
FABACEAE |
| Astragalus gracilis Nuttall |
FABACEAE |
| Astragalus missouriensis Nuttall |
FABACEAE |
| Astragalus parryi A. Gray |
FABACEAE |
| Astragalus shortianus Nuttall in Torrey & Gray |
FABACEAE |
| Athyrium filix-femina (L.) Roth ex Mertens |
DRYOPTERIDACEAE |
| Athyrium filix-femina (L.) Roth ex Mertens ssp angustum (Willdenow) Hultén |
DRYOPTERIDACEAE |
| Atragene columbiana Nuttall |
RANUNCULACEAE |
| Axyris amaranthoides L. |
CHENOPODIACEAE |
| Bahia dissecta (A. Gray) Britton |
ASTERACEAE |
| Barbarea vulgaris R. Brown |
BRASSICACEAE |
| Beckmannia syzigachne (Steudel) Fernald ssp baicalensis (Kuznetzow) Koyama & Kuwano |
POACEAE |
| Berteroa incana (L.) De Candolle |
BRASSICACEAE |
| Besseya plantaginea (Bentham in De Candolle) Rydberg |
SCROPHULARIACEAE |
| Bidens cernua L. |
ASTERACEAE |
| Blepharoneuron tricholepis (Torrey) Nash |
POACEAE |
| Boechera drummondii (A. Gray) Löve & Löve |
BRASSICACEAE |
| Boechera fendleri (S. Watson) W. A. Weber |
BRASSICACEAE |
| Bouteloua curtipendula (Michaux) Torrey |
POACEAE |
| Bouteloua curtipendula (Michaux) Torrey var curtipendula |
POACEAE |
| Bromopsis inermis (Leysser) Holub |
POACEAE |
| Bromopsis lanatipes (Shear) Holub |
POACEAE |
| Bromus japonicus Thunberg |
POACEAE |
| Calamovilfa longifolia (Hooker) Scribner in Hackel |
POACEAE |
| Callitriche verna L. emend. Lönnroth |
CALLITRICHACEAE |
| Calochortus gunnisonii S. Watson |
CALOCHORTACEAE |
| Calylophus serrulatus (Nuttall) Raven |
ONAGRACEAE |
| Camelina microcarpa Andrzejowski ex De Candolle |
BRASSICACEAE |
| Campanula parryi A. Gray |
CAMPANULACEAE |
| Campanula rotundifolia L. |
CAMPANULACEAE |
| Carduus acanthoides L. |
ASTERACEAE |
| Carex backii F. Boott in Hooker |
CYPERACEAE |
| Carex bebbii (L. H. Bailey) Fernald |
CYPERACEAE |
| Carex brevior (Dewey) Mackenzie |
CYPERACEAE |
| Carex canescens L. |
CYPERACEAE |
| Carex deweyana Schweinitz |
CYPERACEAE |
| Carex disperma Dewey |
CYPERACEAE |
| Carex emoryi Dewey in Torrey |
CYPERACEAE |
| Carex geyeri F. Boott |
CYPERACEAE |
| Carex interior L. H. Bailey |
CYPERACEAE |
| Carex lanuginosa Michaux |
CYPERACEAE |
| Carex microptera Mackenzie |
CYPERACEAE |
| Carex nebrascensis Dewey |
CYPERACEAE |
| Carex norvegica Retzius ssp stevenii (Holm) D. Murray |
CYPERACEAE |
| Carex occidentalis L. H. Bailey |
CYPERACEAE |
| Carex peckii E. C. Howe |
CYPERACEAE |
| Carex pensylvanica Lamarck ssp heliophila (Mackenzie) W. A. Weber |
CYPERACEAE |
| Carex praegracilis F. Boott |
CYPERACEAE |
| Carex sprengelii Dewey ex Sprengel |
CYPERACEAE |
| Carex stenophylla Wahlenberg ssp eleocharis (L. H. Bailey) Hultén |
CYPERACEAE |
| Carex stipata Mühlenberg ex Willdenow |
CYPERACEAE |
| Castilleja integra A. Gray in Torrey |
SCROPHULARIACEAE |
| Castilleja miniata Douglas ex Hooker |
SCROPHULARIACEAE |
| Castilleja sulphurea Rydberg |
SCROPHULARIACEAE |
| Ceanothus fendleri A. Gray |
RHAMNACEAE |
| Ceanothus herbaceus Rafinesque |
RHAMNACEAE |
| Cerastium fontanum Baumgartner |
ALSINACEAE |
| Cerastium strictum L. {emend.} Haenke |
ALSINACEAE |
| Cerasus pensylvanica (L. f.) Loiseleur |
ROSACEAE |
| Cerasus pumila (L.) Michaux ssp besseyi (L. H. Bailey) W. A. Weber |
ROSACEAE |
| Cercocarpus montanus Rafinesque |
ROSACEAE |
| Chaenactis douglasii (Hooker) Hooker & Arnott |
ASTERACEAE |
| Chamaepericlymenum canadense (L.) Ascherson & Graebner |
CORNACEAE |
| Chamaesyce missurica (Rafinesque) Shinners |
EUPHORBIACEAE |
| Chamerion danielsii D. Löve |
ONAGRACEAE |
| Chenopodium berlandieri Moquin |
CHENOPODIACEAE |
| Chenopodium foliosum (Moench) Ascherson |
CHENOPODIACEAE |
| Chenopodium fremontii S. Watson |
CHENOPODIACEAE |
| Chimaphila umbellata (L.) W. Barton ssp occidentalis (Rydberg) Hultén |
PYROLACEAE |
| Chlorocrepis fendleri (Schultz-Bipontinus) W. A. Weber |
ASTERACEAE |
| Chondrosum gracile Humboldt, Bonpland, & Kunth |
POACEAE |
| Ciliaria austromontana (Wiegand) W. A. Weber |
SAXIFRAGACEAE |
| Cirsium canescens Nuttall |
ASTERACEAE |
| Claytonia rosea Rydberg |
PORTULACACEAE |
| Clematis ligusticifolia Nuttall ex Torrey & Gray |
RANUNCULACEAE |
| Cleome serrulata Pursh |
CAPPARACEAE |
| Collinsia parviflora Douglas in Lindley |
SCROPHULARIACEAE |
| Collomia linearis Nuttall |
POLEMONIACEAE |
| Comandra umbellata (L.) Nuttall ssp pallida (A. De Candolle) Piehl |
SANTALACEAE |
| Conium maculatum L. |
APIACEAE |
| Convolvulus arvensis L. |
CONVOLVULACEAE |
| Corallorhiza trifida (L.) Chatelain |
ORCHIDACEAE |
| Corallorhiza wisteriana Conrad |
ORCHIDACEAE |
| Corydalis curvisiliqua Engelmann subsp. occidentalis (Engelmann ex A. Gray) W. A. Weber |
FUMARIACEAE |
| Corylus cornuta H. Marshall |
BETULACEAE |
| Coryphantha vivipara (Nuttall) Britton & Rose var vivipara |
CACTACEAE |
| Critesion jubatum (L.) Nevski |
POACEAE |
| Crocanthemum bicknellii (Fernald) Janchen |
CISTACEAE |
| Crunocallis chamissoi (Ledebour ex Sprengel) Rydberg |
PORTULACACEAE |
| Cylactis pubescens (Rafinesque) W. A. Weber |
ROSACEAE |
| Cynoglossum officinale L. |
BORAGINACEAE |
| Cyperus aristatus Rottboel |
CYPERACEAE |
| Cyperus rivularis Kunth |
CYPERACEAE |
| Cystopteris fragilis (L.) Bernhardi |
DRYOPTERIDACEAE |
| Cystopteris reevesiana Lellinger |
DRYOPTERIDACEAE |
| Dalea purpurea Ventenat |
FABACEAE |
| Danthonia spicata (L.) P. Beauvois ex Roemer & Schultes var pinetorum Piper |
POACEAE |
| Daucus carota L. |
APIACEAE |
| Delphinium carolinianum Walter ssp virescens (Nuttall) R. Brooks |
HELLEBORACEAE |
| Delphinium nuttallianum Pritzel ex Walpers |
HELLEBORACEAE |
| Deschampsia cespitosa (L.) P. Beauvois |
POACEAE |
| Descurainia sophia (L.) Webb ex Prantl |
BRASSICACEAE |
| Dichanthelium oligosanthes (Schultes) Gould var scribnerianum (Nash) Gould |
POACEAE |
| Dichanthelium wilcoxianum (Vasey) Freckmann |
POACEAE |
| Distichlis stricta (Torrey) Rydberg |
POACEAE |
| Dodecatheon pulchellum (Rafinesque) Merrill |
PRIMULACEAE |
| Draba nemorosa L. |
BRASSICACEAE |
| Drymocallis arguta (Pursh) Rydberg |
ROSACEAE |
| Drymocallis fissa (Nuttall) Rydberg |
ROSACEAE |
| Dryopteris filix-mas (L.) Schott |
DRYOPTERIDACEAE |
| Dyssodia papposa (Ventenat) A. S. Hitchcock |
ASTERACEAE |
| Echinocereus viridiflorus Engelmann |
CACTACEAE |
| Elatine triandra Schkuhr |
ELATINACEAE |
| Eleocharis palustris (L.) Roemer & Schultes |
CYPERACEAE |
| Elymus canadensis L. |
POACEAE |
| Elymus elymoides (Rafinesque) Swezey |
POACEAE |
| Elymus lanceolatus (Scribner & Smith) Gould |
POACEAE |
| Elymus longifolius (J. G. Smith) Gould |
POACEAE |
| Elymus trachycaulus (Link) Gould |
POACEAE |
| Epilobium ciliatum Rafinesque ssp glandulosum (Lehmann) Hoch & Raven |
ONAGRACEAE |
| Equisetum arvense L. |
EQUISETACEAE |
| Eragrostis pilosa (L.) P. Beauvois |
POACEAE |
| Eremogone fendleri (A. Gray) Ikonnikov |
ALSINACEAE |
| Erigeron canus A. Gray |
ASTERACEAE |
| Erigeron colo-mexicanus A. Nelson |
ASTERACEAE |
| Erigeron divergens Torrey & Gray |
ASTERACEAE |
| Erigeron eximius Greene |
ASTERACEAE |
| Erigeron formosissimus Greene |
ASTERACEAE |
| Erigeron speciosus (Lindley) De Candolle var macranthus (Nuttall) Cronquist |
ASTERACEAE |
| Erigeron subtrinervis Rydberg |
ASTERACEAE |
| Erigeron vetensis Rydberg |
ASTERACEAE |
| Eriogonum annuum Nuttall |
POLYGONACEAE |
| Eriogonum subalpinum Greene |
POLYGONACEAE |
| Eriogonum umbellatum Torrey var. umbellatum |
POLYGONACEAE |
| Eriophorum angustifolium Honckeny |
CYPERACEAE |
| Erysimum capitatum (Douglas) Greene |
BRASSICACEAE |
| Erythrocoma triflora (Pursh) Greene |
ROSACEAE |
| Eupatorium maculatum L. subsp. bruneri (A. Gray) G. W. Douglas |
ASTERACEAE |
| Fragaria vesca L. ssp bracteata (Heller) Staudt |
ROSACEAE |
| Fragaria virginiana P. Miller ssp glauca (S. Watson) Staudt |
ROSACEAE |
| Froelichia gracilis (Hooker) Moquin |
AMARANTHACEAE |
| Galium aparine L. |
RUBIACEAE |
| Galium septentrionale Roemer & Schultes |
RUBIACEAE |
| Galium spurium L. |
RUBIACEAE |
| Galium triflorum Michaux |
RUBIACEAE |
| Gastrolychnis drummondii (Hooker) Löve & Löve |
CARYOPHYLLACEAE |
| Gaura coccinea Nuttall ex Pursh |
ONAGRACEAE |
| Gentianella acuta (Michaux) Hiitonen |
GENTIANACEAE |
| Gentianodes algida (Pallas) Löve & Löve |
GENTIANACEAE |
| Geranium caespitosum James ex Torrey |
GERANIACEAE |
| Geum macrophyllum Willdenow |
ROSACEAE |
| Geum rivale L. |
ROSACEAE |
| Gilia ophthalmoides Brand |
POLEMONIACEAE |
| Glyceria grandis S. Watson in A. Gray |
POACEAE |
| Goodyera oblongifolia Rafinesque |
ORCHIDACEAE |
| Grammica umbrosa (Hooker) W. A. Weber |
CUSCUTACEAE |
| Gratiola neglecta Torrey |
SCROPHULARIACEAE |
| Grindelia subalpina Greene |
ASTERACEAE |
| Hecatonia scelerata (L.) Fourreau |
RANUNCULACEAE |
| Helianthella parryi A. Gray |
ASTERACEAE |
| Helianthella quinquenervis (Hooker) A. Gray |
ASTERACEAE |
| Helianthus nuttallii Torrey & Gray |
ASTERACEAE |
| Helianthus pumilus Nuttall |
ASTERACEAE |
| Hesperostipa comata (Trinius & Ruprecht) Barkworth |
POACEAE |
| Hesperostipa spartea (Trinius) Barkworth |
POACEAE |
| Heterotheca pumila (Greene) Semple |
ASTERACEAE |
| Heterotheca villosa (Pursh) Shinners |
ASTERACEAE |
| Heterotheca villosa (Pursh) Shinners var. villosa |
ASTERACEAE |
| Heuchera hallii A. Gray |
SAXIFRAGACEAE |
| Heuchera parvifolia Nuttall ex Torrey & Gray |
SAXIFRAGACEAE |
| Heuchera richardsonii R. Brown |
SAXIFRAGACEAE |
| Hippochaete hyemalis (L.) Bruhin |
EQUISETACEAE |
| Hippochaete laevigata (A. Braun) Farwell |
EQUISETACEAE |
| Humulus lupulus L. ssp americanus (Nuttall) Löve & Löve |
CANNABACEAE |
| Hymenopappus filifolius Hooker var cinereus (Rydberg) I. M. Johnston |
ASTERACEAE |
| Hypopitys monotropa Crantz |
MONOTROPACEAE |
| Impatiens capensis Meerburgh |
BALSAMINACEAE |
| Ipomopsis aggregata (Pursh) V. Grant |
POLEMONIACEAE |
| Ipomopsis aggregata (Pursh) V. Grant ssp candida (Rydberg) V. & A. Grant |
POLEMONIACEAE |
| Ipomopsis aggregata (Pursh) V. Grant ssp collina (Greene) Wilken & Allard |
POLEMONIACEAE |
| Jamesia americana Torrey & Gray |
HYDRANGEACEAE |
| Juncus alpino-articulatus Chaix in Villars |
JUNCACEAE |
| Juncus arcticus Willdenow ssp ater (Rydberg) Hultén |
JUNCACEAE |
| Juncus articulatus L. |
JUNCACEAE |
| Juncus bufonius L. var bufonius |
JUNCACEAE |
| Juncus dudleyi Wiegand |
JUNCACEAE |
| Juncus interior Wiegand |
JUNCACEAE |
| Juncus longistylis Torrey |
JUNCACEAE |
| Juncus nodosus L. |
JUNCACEAE |
| Juncus saximontanus A. Nelson |
JUNCACEAE |
| Juncus torreyi Coville |
JUNCACEAE |
| Juniperus communis L. ssp alpina (J. E. Smith) Celakovsky |
CUPRESSACEAE |
| Koeleria macrantha (Ledebour) Schultes |
POACEAE |
| Lactuca canadensis L. |
ASTERACEAE |
| Lappula redowskii (Hornemann) Greene |
BORAGINACEAE |
| Lathyrus leucanthus Rydberg |
FABACEAE |
| Lathyrus polymorphus Nuttall ssp incanus (Small & Rydberg) C. L. Hitchcock |
FABACEAE |
| Leersia oryzoides (L.) Swartz |
POACEAE |
| Leonurus cardiaca L. |
LAMIACEAE |
| Lepidotheca suaveolens (Pursh) Nuttall |
ASTERACEAE |
| Leucocrinum montanum Nuttall ex A. Gray |
LILIACEAE |
| Liatris ligulistylis (A. Nelson) K. Schumann |
ASTERACEAE |
| Liatris punctata Hooker |
ASTERACEAE |
| Ligusticum porteri Coulter & Rose |
APIACEAE |
| Lilium philadelphicum L. |
LILIACEAE |
| Limosella aquatica L. |
SCROPHULARIACEAE |
| Linaria vulgaris P. Miller |
SCROPHULARIACEAE |
| Linnaea borealis L. ssp americana (Forbes) Hultén ex Clausen |
CAPRIFOLIACEAE |
| Lithospermum incisum Lehmann |
BORAGINACEAE |
| Lithospermum multiflorum Torrey ex A. Gray |
BORAGINACEAE |
| Lobelia siphilitica L. var ludoviciana A. De Candolle |
CAMPANULACEAE |
| Lotus wrightii (A. Gray) Greene |
FABACEAE |
| Lupinus argenteus Pursh |
FABACEAE |
| Luzula parviflora (Ehrhart) Desvaux |
JUNCACEAE |
| Lycopus americanus Mühlenberg ex W. Barton |
LAMIACEAE |
| Lygodesmia juncea (Pursh) D. Don |
ASTERACEAE |
| Lysimachia ciliata L. |
PRIMULACEAE |
| Machaeranthera canescens (Pursh) A. Gray |
ASTERACEAE |
| Mahonia repens (Lindley) G. Don |
BERBERIDACEAE |
| Maianthemum amplexicaule (Nuttall) W. A. Weber |
CONVALLARIACEAE |
| Maianthemum stellatum (L.) Link |
CONVALLARIACEAE |
| Mariscus schweinitzii (Torrey) Koyama |
CYPERACEAE |
| Marsilea vestita Hooker & Greville |
MARSILEACEAE |
| Matricaria perforata Merat |
ASTERACEAE |
| Melica porteri Scribner |
POACEAE |
| Mentha arvensis L. |
LAMIACEAE |
| Mertensia ciliata (James ex Torrey) G. Don |
BORAGINACEAE |
| Mertensia lanceolata (Pursh) A. De Candolle |
BORAGINACEAE |
| Micranthes rhomboidea (Greene) Small |
SAXIFRAGACEAE |
| Microsteris gracilis (Douglas ex Hooker) Greene ssp humilis (Greene) V. Grant |
POLEMONIACEAE |
| Mimulus floribundus Douglas in Lindley |
SCROPHULARIACEAE |
| Moehringia lateriflora (L.) Fenzl |
ALSINACEAE |
| Moneses uniflora (L.) A. Gray |
PYROLACEAE |
| Muhlenbergia andina (Nuttall) A. S. Hitchcock |
POACEAE |
| Muhlenbergia asperifolia (Nees & Meyen ex Trinius) Parodi |
POACEAE |
| Muhlenbergia minutissima (Steudel) Swallen |
POACEAE |
| Muhlenbergia montana (Nuttall) A. S. Hitchcock |
POACEAE |
| Muhlenbergia racemosa (Michaux) Britton, Sterns, & Poggenberg |
POACEAE |
| Nassella viridula (Trinius) Barkworth |
POACEAE |
| Nasturtium officinale R. Brown |
BRASSICACEAE |
| Negundo aceroides (L.) Moench ssp interius (Britton & Shafer) Löve & Löve |
ACERACEAE |
| Noccaea montana (L.) F. K. Meyer |
BRASSICACEAE |
| Nuttallia multiflora (Nuttall) Greene |
LOASACEAE |
| Nuttallia speciosa (Osterhout) Greene |
LOASACEAE |
| Oenothera albicaulis Pursh |
ONAGRACEAE |
| Oenothera coronopifolia Torrey & Gray |
ONAGRACEAE |
| Oenothera nuttallii Sweet |
ONAGRACEAE |
| Oenothera villosa Thunberg ssp strigosa (Rydberg) Dietrich & Raven |
ONAGRACEAE |
| Oligoneuron rigidum (L.) Small |
ASTERACEAE |
| Oligosporus caudatus (Michaux) Poljakov |
ASTERACEAE |
| Oligosporus pacificus (Nuttall) Poljakov |
ASTERACEAE |
| Onoclea sensibilis L. |
DRYOPTERIDACEAE |
| Onopordum acanthium L. |
ASTERACEAE |
| Opuntia macrorhiza Engelmann |
CACTACEAE |
| Oreobatus deliciosus (James ex Torrey) Rydberg |
ROSACEAE |
| Oreocarya suffruticosa (Torrey) Greene |
BORAGINACEAE |
| Orthocarpus luteus Nuttall |
SCROPHULARIACEAE |
| Oryzopsis asperifolia Michaux |
POACEAE |
| Oryzopsis pungens (Torrey ex Sprengel) A. S. Hitchcock |
POACEAE |
| Osmorhiza chilensis Hooker & Arnott |
APIACEAE |
| Oxybaphus hirsutus (Pursh) Sweet in De Candolle |
NYCTAGINACEAE |
| Oxytropis lambertii Pursh |
FABACEAE |
| Oxytropis multiceps Nuttall |
FABACEAE |
| Packera fendleri (A. Gray) Weber & Löve |
ASTERACEAE |
| Packera neomexicana (A. Gray) Weber & Löve |
ASTERACEAE |
| Packera tridenticulata (Rydberg) Weber & Löve |
ASTERACEAE |
| Padus virginiana (L.) P. Miller ssp melanocarpa (A. Nelson) W. A. Weber |
ROSACEAE |
| Parietaria pensylvanica Mühlenberg ex Willdenow |
URTICACEAE |
| Parnassia parviflora De Candolle |
PARNASSIACEAE |
| Parthenocissus vitacea (Knerr) A. S. Hitchcock |
VITACEAE |
| Pascopyrum smithii (Rydberg) Löve |
POACEAE |
| Pedicularis canadensis L. ssp fluviatilis (Heller) W. A. Weber |
SCROPHULARIACEAE |
| Pedicularis groenlandica Retzius |
SCROPHULARIACEAE |
| Pediocactus simpsonii (Engelmann) Britton & Rose var minor (Engelmann) Cockerell |
CACTACEAE |
| Penstemon glaber Pursh |
SCROPHULARIACEAE |
| Penstemon gracilis Nuttall |
SCROPHULARIACEAE |
| Penstemon secundiflorus Bentham in De Candolle |
SCROPHULARIACEAE |
| Penstemon virens Pennell ex Rydberg |
SCROPHULARIACEAE |
| Penstemon virgatus A. Gray ssp asa-grayi Crosswhite |
SCROPHULARIACEAE |
| Pentaphylloides floribunda (Pursh) Löve |
ROSACEAE |
| Pericome caudata A. Gray |
ASTERACEAE |
| Persicaria lapathifolia (L.) S. Gray |
POLYGONACEAE |
| Persicaria maculata (L.) S. Gray |
POLYGONACEAE |
| Phacelia bakeri (Brand) Macbride |
HYDROPHYLLACEAE |
| Phacelia denticulata Osterhout |
HYDROPHYLLACEAE |
| Phacelia heterophylla Pursh |
HYDROPHYLLACEAE |
| Phalaroides arundinacea (L.) Rauschert |
POACEAE |
| Physalis virginiana P. Miller |
SOLANACEAE |
| Physaria vitulifera Rydberg |
BRASSICACEAE |
| Physocarpus monogynus (Torrey) Coulter |
ROSACEAE |
| Picea engelmannii Parry ex Engelmann |
PINACEAE |
| Pinus contorta Douglas ex Loudon var latifolia Engelmann |
PINACEAE |
| Pinus flexilis James |
PINACEAE |
| Pinus ponderosa Douglas ex P. & C. Lawson ssp scopulorum (S. Watson) W. A. Weber |
PINACEAE |
| Piptatherum micranthum (Trinius & Ruprecht) Barkworth |
POACEAE |
| Plantago patagonica Jacquin |
PLANTAGINACEAE |
| Platanthera aquilonis Sheviak |
ORCHIDACEAE |
| Platanthera purpurascens (Rydberg) Sheviak & W.F. Jennings |
ORCHIDACEAE |
| Poa compressa L. |
POACEAE |
| Poa fendleriana (Steudel) Vasey |
POACEAE |
| Poa palustris L. |
POACEAE |
| Poa pratensis L. |
POACEAE |
| Pocilla biloba (L.) W. A. Weber |
SCROPHULARIACEAE |
| Podospermum laciniatum (L.) De Candolle |
ASTERACEAE |
| Polemonium foliosissimum (A. Gray) A. Gray |
POLEMONIACEAE |
| Polypodium saximontanum Windham |
POLYPODIACEAE |
| Potentilla hippiana Lehmann |
ROSACEAE |
| Potentilla norvegica L. |
ROSACEAE |
| Potentilla pensylvanica L. |
ROSACEAE |
| Prunella vulgaris L. |
LAMIACEAE |
| Prunus americana H. Marshall |
ROSACEAE |
| Pseudocymopterus montanus (A. Gray) Coulter & Rose |
APIACEAE |
| Pseudognaphalium stramineum (Humboldt, Bonpland & Kunth) W. A. Weber |
ASTERACEAE |
| Pseudotsuga menziesii (Mirbel) Franco |
PINACEAE |
| Psilochenia runcinata (James ex Torrey) Löve & Löve |
ASTERACEAE |
| Psoralidium argophyllum (Pursh) Rydberg |
FABACEAE |
| Pteridium aquilinum (L.) Kuhn |
DENNSTAEDTIACEAE |
| Pterogonum alatum (Torrey) Gross |
POLYGONACEAE |
| Pulsatilla patens (L.) P. Miller ssp multifida (Pritzel) Zamels |
RANUNCULACEAE |
| Pyrola chlorantha Swartz |
PYROLACEAE |
| Pyrola picta J. E. Smith |
PYROLACEAE |
| Quercus gambelii Nuttall |
FAGACEAE |
| Quercus undulata Torrey |
FAGACEAE |
| Ranunculus abortivus L. ssp acrolasius (Fernald) Kapoor & Löve |
RANUNCULACEAE |
| Ranunculus inamoenus Greene |
RANUNCULACEAE |
| Ranunculus macounii Britton |
RANUNCULACEAE |
| Ratibida columnifera (Nuttall) Wooton & Standley |
ASTERACEAE |
| Rhus aromatica Aiton ssp trilobata (Nuttall ex Torrey & Gray) W. A. Weber |
ANACARDIACEAE |
| Ribes americanum P. Miller |
GROSSULARIACEAE |
| Ribes aureum Pursh |
GROSSULARIACEAE |
| Ribes cereum Douglas |
GROSSULARIACEAE |
| Ribes leptanthum A. Gray |
GROSSULARIACEAE |
| Robinia neomexicana A. Gray |
FABACEAE |
| Rorippa palustris (L.) Besser ssp hispida (Desvaux) Jonsell |
BRASSICACEAE |
| Rorippa teres (Michaux) Stuckey |
BRASSICACEAE |
| Rosa arkansana T. C. Porter |
ROSACEAE |
| Rosa woodsii Lindley |
ROSACEAE |
| Rubacer parviflorum (Nuttall) Rydberg |
ROSACEAE |
| Rudbeckia ampla A. Nelson |
ASTERACEAE |
| Rudbeckia hirta L. |
ASTERACEAE |
| Rumex densiflorus Osterhout |
POLYGONACEAE |
| Rumex triangulivalvis (Danser) Rechinger f. |
POLYGONACEAE |
| Sabina scopulorum (Sargent) Rydberg |
CUPRESSACEAE |
| Sagittaria cuneata Sheldon |
ALISMATACEAE |
| Salix amygdaloides Andersson |
SALICACEAE |
| Salix bebbiana Sargent |
SALICACEAE |
| Salix drummondiana Barratt |
SALICACEAE |
| Salix exigua Nuttall |
SALICACEAE |
| Salix exigua Nuttall ssp exigua |
SALICACEAE |
| Salix irrorata Andersson |
SALICACEAE |
| Salix lasiandra Bentham var caudata (Nuttall) Sudworth |
SALICACEAE |
| Salix ligulifolia (Ball ex C. K. Schneider) Ball ex E. C. Smith |
SALICACEAE |
| Salix monticola Bebb in Coulter |
SALICACEAE |
| Salix scouleriana Barratt ex Hooker |
SALICACEAE |
| Salvia reflexa Hornemann |
LAMIACEAE |
| Sanicula marilandica L. |
APIACEAE |
| Saponaria officinalis L. |
CARYOPHYLLACEAE |
| Schizachne purpurascens (Torrey) Swallen |
POACEAE |
| Schizachyrium scoparium (Michaux) Nash |
POACEAE |
| Scirpus microcarpus J. & K. Presl |
CYPERACEAE |
| Scirpus pallidus (Britton) Fernald |
CYPERACEAE |
| Scrophularia lanceolata Pursh |
SCROPHULARIACEAE |
| Scutellaria brittonii T. C. Porter |
LAMIACEAE |
| Scutellaria galericulata L. var epilobiifolia (Hamilton) Jordal |
LAMIACEAE |
| Selaginella densa Rydberg |
SELAGINELLACEAE |
| Selaginella mutica D. C. Eaton |
SELAGINELLACEAE |
| Selaginella underwoodii Hieronymus |
SELAGINELLACEAE |
| Senecio integerrimus Nuttall |
ASTERACEAE |
| Senecio wootonii Greene |
ASTERACEAE |
| Seriphidium tridentatum (Nuttall) W. A. Weber |
ASTERACEAE |
| Sisyrinchium montanum Greene |
IRIDACEAE |
| Smilax lasioneuron Hooker |
SMILACACEAE |
| Solanum physalifolium Rusby var nitidibaccatum (Bitter) Edmonds |
SOLANACEAE |
| Solidago canadensis L. |
ASTERACEAE |
| Solidago gigantea Aiton |
ASTERACEAE |
| Solidago missouriensis Nuttall |
ASTERACEAE |
| Solidago simplex Humboldt, Bonpland & Kunth var. simplex |
ASTERACEAE |
| Solidago wrightii A. Gray var adenophora S. F. Blake |
ASTERACEAE |
| Sparganium eurycarpum Engelmann ex A. Gray |
SPARGANIACEAE |
| Sphaeralcea coccinea (Pursh) Rydberg |
MALVACEAE |
| Sphenopholis obtusata (Michaux) Scribner |
POACEAE |
| Sporobolus cryptandrus (Torrey) A. Gray |
POACEAE |
| Sporobolus heterolepis (A. Gray) A. Gray |
POACEAE |
| Stachys palustris L. ssp pilosa (Nuttall) Epling |
LAMIACEAE |
| Stellaria longifolia Mühlenberg ex Willdenow |
ALSINACEAE |
| Stellaria longipes Goldie |
ALSINACEAE |
| Streptopus fassettii Löve & Löve |
UVULARIACEAE |
| Swertia perennis L. |
GENTIANACEAE |
| Swida sericea (L.) Holub |
CORNACEAE |
| Symphoricarpos occidentalis Hooker |
CAPRIFOLIACEAE |
| Talinum parviflorum Nuttall ex Torrey & Gray |
PORTULACACEAE |
| Thalictrum dasycarpum Fischer & Ave-Lallemant |
THALICTRACEAE |
| Thelesperma filifolium (Hooker) A. Gray var intermedium (Rydberg) Shinners |
ASTERACEAE |
| Thelesperma megapotamicum (Sprengel) Kuntze |
ASTERACEAE |
| Thermopsis divaricarpa A. Nelson |
FABACEAE |
| Thermopsis rhombifolia (Nuttall ex Pursh) Richardson |
FABACEAE |
| Thinopyrum intermedium (Host) Barkworth & Dewey |
POACEAE |
| Thinopyrum intermedium (Host) Barkworth & Dewey subsp. barbulatum (Schur) Barkworth & Dewey |
POACEAE |
| Thlaspi arvense L. |
BRASSICACEAE |
| Tithymalus brachyceras (Engelmann) Small |
EUPHORBIACEAE |
| Tithymalus spathulatus (Lamarck) W. A. Weber |
EUPHORBIACEAE |
| Townsendia grandiflora Nuttall |
ASTERACEAE |
| Tradescantia occidentalis (Britton) Smyth var scopulorum (Rose) Anderson & Woodson |
COMMELINACEAE |
| Tragopogon dubius Scopoli ssp major (Jacquin) Vollmann |
ASTERACEAE |
| Tribulus terrestris L. |
ZYGOPHYLLACEAE |
| Trifolium hybridum L. |
FABACEAE |
| Trifolium pratense L. |
FABACEAE |
| Trifolium repens L. |
FABACEAE |
| Triglochin maritima L. |
JUNCAGINACEAE |
| Truellum sagittatum (L.) Sojak |
POLYGONACEAE |
| Urtica gracilis Aiton ssp gracilis |
URTICACEAE |
| Valeriana capitata Pallas ex Link ssp acutiloba (Rydberg) F. G. Meyer |
VALERIANACEAE |
| Verbena hastata L. |
VERBENACEAE |
| Veronica americana Schweinitz ex Bentham |
SCROPHULARIACEAE |
| Veronica anagallis-aquatica L. |
SCROPHULARIACEAE |
| Veronica peregrina L. ssp xalapensis (Humboldt,_Bonpland, & Kunth) Pennell |
SCROPHULARIACEAE |
| Veronicastrum serpyllifolium L. ssp humifusum (Dickson) W. A. Weber |
SCROPHULARIACEAE |
| Viburnum edule (Michaux) Rafinesque |
CAPRIFOLIACEAE |
| Vicia americana Mühlenberg |
FABACEAE |
| Vicia villosa Roth |
FABACEAE |
| Viola adunca J. E. Smith |
VIOLACEAE |
| Viola biflora L. |
VIOLACEAE |
| Viola pedatifida G. Don |
VIOLACEAE |
| Viola renifolia A. Gray var brainerdii (Greene) Fernald |
VIOLACEAE |
| Viola rydbergii Greene |
VIOLACEAE |
| Viola selkirkii Pursh ex Goldie |
VIOLACEAE |
| Viola sororia Willdenow var affinis (Le_Conte) McKinney |
VIOLACEAE |
| Virgulus ericoides (L.) Reveal & Keener |
ASTERACEAE |
| Virgulus falcatus (Lindley) Reveal & Keener |
ASTERACEAE |
| Vulpia octoflora (Walter) Rydberg |
POACEAE |
