548 Records
| Citation | Family Name |
| Abronia elliptica A. Nelson |
NYCTAGINACEAE |
| Acer glabrum Torrey |
ACERACEAE |
| Acetosella vulgaris (K. Koch) Fourreau |
POLYGONACEAE |
| Achillea lanulosa Nuttall |
ASTERACEAE |
| Achnatherum hymenoides (Roemer & Schultes) Barkworth |
POACEAE |
| Achnatherum lettermanii (Vasey) Barkworth |
POACEAE |
| Acomastylis rossii (R. Brown) Greene ssp turbinata (Rydberg) W. A. Weber |
ROSACEAE |
| Aconitum columbianum Nuttall ex Torrey & Gray var. columbianum |
HELLEBORACEAE |
| Acrolasia albicaulis (Douglas ex Hooker) Rydberg |
LOASACEAE |
| Actaea rubra (Aiton) Willdenow ssp arguta (Nuttall in Torrey & Gray) Hultén |
HELLEBORACEAE |
| Adenolinum lewisii (Pursh) Löve & Löve |
LINACEAE |
| Adoxa moschatellina L. |
ADOXACEAE |
| Agoseris aurantiaca (Hooker) Greene |
ASTERACEAE |
| Agoseris glauca (Pursh) Rafinesque var laciniata (D. C. Eaton) Smiley |
ASTERACEAE |
| Agrostis exarata Trinius |
POACEAE |
| Agrostis gigantea Roth |
POACEAE |
| Agrostis scabra Willdenow |
POACEAE |
| Agrostis stolonifera L. |
POACEAE |
| Agrostis variabilis Rydberg |
POACEAE |
| Allium acuminatum Hooker |
ALLIACEAE |
| Allium geyeri S. Watson |
ALLIACEAE |
| Allium macropetalum Rydberg |
ALLIACEAE |
| Alyssum alyssoides (L.) L. |
BRASSICACEAE |
| Alyssum parviflorum M. Bieberstein var. micranthum (C. A. Meyer in Fisher & Meyer) Dorn |
BRASSICACEAE |
| Ambrosia acanthicarpa Hooker |
ASTERACEAE |
| Amelanchier alnifolia Nuttall |
ROSACEAE |
| Amelanchier utahensis Koehne |
ROSACEAE |
| Amerosedum lanceolatum (Torrey) Löve & Löve |
CRASSULACEAE |
| Androsace septentrionalis L. |
PRIMULACEAE |
| Angelica grayi (Coulter & Rose) Coulter & Rose |
APIACEAE |
| Anisantha tectorum (L.) Nevski |
POACEAE |
| Anotites menziesii (Hooker) Greene |
CARYOPHYLLACEAE |
| Antennaria dimorpha (Nuttall) Torrey & Gray |
ASTERACEAE |
| Antennaria parvifolia Nuttall |
ASTERACEAE |
| Antennaria rosea Greene |
ASTERACEAE |
| Antennaria rosulata Rydberg |
ASTERACEAE |
| Anticlea elegans (Pursh) Rydberg |
MELANTHIACEAE |
| Apocynum cannabinum L. |
APOCYNACEAE |
| Apocynum medium Greene |
APOCYNACEAE |
| Aquilegia coerulea James ex Torrey |
HELLEBORACEAE |
| Aquilegia elegantula Greene |
HELLEBORACEAE |
| Arctium lappa L. |
ASTERACEAE |
| Arctostaphylos uva-ursi (L.) Sprengel ssp adenotricha (Fernald & Macbride) Calder & Taylor |
ERICACEAE |
| Arnica cordifolia Hooker |
ASTERACEAE |
| Arnica latifolia Bongard |
ASTERACEAE |
| Arnica parryi A. Gray |
ASTERACEAE |
| Artemisia bigelovii A. Gray |
ASTERACEAE |
| Artemisia franserioides Greene |
ASTERACEAE |
| Artemisia frigida Willdenow |
ASTERACEAE |
| Artemisia ludoviciana Nuttall ssp albula (Wooton) Keck |
ASTERACEAE |
| Artemisia ludoviciana Nuttall ssp incompta (Nuttall) Keck |
ASTERACEAE |
| Artemisia ludoviciana Nuttall ssp ludoviciana |
ASTERACEAE |
| Asclepias asperula (Decaisne) Woodson ssp asperula |
ASCLEPIADACEAE |
| Asclepias cryptoceras S. Watson |
ASCLEPIADACEAE |
| Aster spathulatus Lindley ex De Candolle |
ASTERACEAE |
| Astragalus adsurgens Pallas var robustior Hooker |
FABACEAE |
| Astragalus agrestis Douglas ex G. Don |
FABACEAE |
| Astragalus amphioxys A. Gray |
FABACEAE |
| Astragalus amphioxys A. Gray var vespertinus (Sheldon) Jones |
FABACEAE |
| Astragalus eastwoodiae Jones |
FABACEAE |
| Astragalus flexuosus (Hooker) G. Don var diehlii (Jones) Barneby |
FABACEAE |
| Astragalus haydenianus A. Gray |
FABACEAE |
| Astragalus lentiginosus Douglas ex Hooker var palans (Jones) Jones |
FABACEAE |
| Astragalus lonchocarpus Torrey |
FABACEAE |
| Astragalus miser Douglas in Hooker var oblongifolius (Rydberg) Cronquist |
FABACEAE |
| Astragalus mollissimus Torrey var thompsoniae (S. Watson) Barneby |
FABACEAE |
| Astragalus naturitensis Payson |
FABACEAE |
| Astragalus oöphorus Jones var caulescens (Jones) Jones |
FABACEAE |
| Astragalus pattersonii A. Gray |
FABACEAE |
| Astragalus praelongus Sheldon |
FABACEAE |
| Astragalus scopulorum T. C. Porter in Porter & Coulter |
FABACEAE |
| Astragalus wingatanus S. Watson |
FABACEAE |
| Atriplex confertifolia (Torrey & Frémont) S. Watson |
CHENOPODIACEAE |
| Atriplex rosea L. |
CHENOPODIACEAE |
| Bahia dissecta (A. Gray) Britton |
ASTERACEAE |
| Balsamorhiza sagittata (Pursh) Nuttall |
ASTERACEAE |
| Barbarea vulgaris R. Brown |
BRASSICACEAE |
| Batrachium trichophyllum (Chaix) van den Bosch |
RANUNCULACEAE |
| Berberis fendleri A. Gray |
BERBERIDACEAE |
| Berula erecta (Hudson) Coville |
APIACEAE |
| Besseya plantaginea (Bentham in De Candolle) Rydberg |
SCROPHULARIACEAE |
| Besseya ritteriana (Eastwood) Rydberg |
SCROPHULARIACEAE |
| Bistorta vivipara (L.) S. Gray |
POLYGONACEAE |
| Blepharoneuron tricholepis (Torrey) Nash |
POACEAE |
| Boechera drummondii (A. Gray) Löve & Löve |
BRASSICACEAE |
| Boechera fendleri (S. Watson) W. A. Weber |
BRASSICACEAE |
| Boechera perennans (S. Watson) W. A. Weber |
BRASSICACEAE |
| Boechera selbyi (Rydberg) W. A. Weber |
BRASSICACEAE |
| Bolboschoenus maritimus (L.) Palla ssp paludosus (A. Nelson) Löve & Löve |
CYPERACEAE |
| Brickellia californica (Torrey & Gray) A. Gray |
ASTERACEAE |
| Brickellia grandiflora (Hooker) Nuttall |
ASTERACEAE |
| Brickellia oblongifolia Nuttall |
ASTERACEAE |
| Brickellia rosmarinifolia (Ventenat) W. A. Weber ssp chlorolepis (Wooton & Standley) W. A. Weber |
ASTERACEAE |
| Bromopsis canadensis (Michaux) Holub |
POACEAE |
| Bromopsis inermis (Leysser) Holub |
POACEAE |
| Bromopsis lanatipes (Shear) Holub |
POACEAE |
| Calamagrostis canadensis (Michaux) P. Beauvois |
POACEAE |
| Calamagrostis scopulorum Jones |
POACEAE |
| Calamagrostis stricta (Timm) Koeler |
POACEAE |
| Calochortus nuttallii Torrey var. nuttallii |
CALOCHORTACEAE |
| Calylophus lavandulifolius (Torrey & Gray) Raven |
ONAGRACEAE |
| Camissonia scapoidea (Torrey & Gray) Raven |
ONAGRACEAE |
| Campanula rotundifolia L. |
CAMPANULACEAE |
| Capsella bursa-pastoris (L.) Medicus |
BRASSICACEAE |
| Cardamine cordifolia A. Gray |
BRASSICACEAE |
| Cardaria chalepensis (L.) Handel-Mazzetti |
BRASSICACEAE |
| Carduus nutans L. ssp macrolepis (Peterman) Kazmi |
ASTERACEAE |
| Carex aurea Nuttall |
CYPERACEAE |
| Carex bella L. H. Bailey |
CYPERACEAE |
| Carex capillaris L. |
CYPERACEAE |
| Carex chalciolepis Holm |
CYPERACEAE |
| Carex ebenea Rydberg |
CYPERACEAE |
| Carex egglestonii Mackenzie |
CYPERACEAE |
| Carex filifolia Nuttall |
CYPERACEAE |
| Carex foenea Willdenow |
CYPERACEAE |
| Carex illota L. H. Bailey |
CYPERACEAE |
| Carex lanuginosa Michaux |
CYPERACEAE |
| Carex limosa L. |
CYPERACEAE |
| Carex microptera Mackenzie |
CYPERACEAE |
| Carex obtusata Liljeblad |
CYPERACEAE |
| Carex occidentalis L. H. Bailey |
CYPERACEAE |
| Carex phaeocephala Piper |
CYPERACEAE |
| Carex saxatilis L. ssp laxa (Trautvetter) Kalela |
CYPERACEAE |
| Carex tahoensis Smiley |
CYPERACEAE |
| Carex utriculata F. Boott |
CYPERACEAE |
| Castilleja chromosa A. Nelson |
SCROPHULARIACEAE |
| Castilleja linariifolia Bentham in De Candolle |
SCROPHULARIACEAE |
| Castilleja miniata Douglas ex Hooker |
SCROPHULARIACEAE |
| Castilleja rhexifolia Rydberg |
SCROPHULARIACEAE |
| Castilleja scabrida Eastwood |
SCROPHULARIACEAE |
| Cerastium fontanum Baumgartner |
ALSINACEAE |
| Cerastium strictum L. {emend.} Haenke |
ALSINACEAE |
| Ceratochloa carinata (Hooker & Arnott) Tutin |
POACEAE |
| Cercocarpus intricatus S. Watson |
ROSACEAE |
| Cercocarpus montanus Rafinesque |
ROSACEAE |
| Chaenactis stevioides Hooker & Arnott |
ASTERACEAE |
| Chaetopappa ericoides (A. Gray) Nesom |
ASTERACEAE |
| Chamaechaenactis scaposa (Eastwood) Rydberg |
ASTERACEAE |
| Chamerion danielsii D. Löve |
ONAGRACEAE |
| Cheilanthes féei T. Moore |
PTERIDACEAE |
| Chenopodium atrovirens Rydberg |
CHENOPODIACEAE |
| Chenopodium fremontii S. Watson |
CHENOPODIACEAE |
| Chionophila jamesii Bentham in De Candolle |
SCROPHULARIACEAE |
| Chlorocrepis tristis (Willdenow ex Sprengel) Löve & Löve ssp gracilis (Hooker) W. A. Weber |
ASTERACEAE |
| Chondrosum gracile Humboldt, Bonpland, & Kunth |
POACEAE |
| Chrysothamnus linifolius Greene |
ASTERACEAE |
| Chrysothamnus nauseosus (Pallas ex Pursh) Britton ssp graveolens (Nuttall) Piper |
ASTERACEAE |
| Ciliaria austromontana (Wiegand) W. A. Weber |
SAXIFRAGACEAE |
| Cinna latifolia (Treviranus) Grisebach in Ledebour |
POACEAE |
| Cirsium calcareum (Jones) Wooton & Standley |
ASTERACEAE |
| Cirsium centaureae (Rydberg) K. Schumann |
ASTERACEAE |
| Cirsium parryi (A. Gray) Petrak |
ASTERACEAE |
| Cirsium tracyi (Rydberg) Petrak |
ASTERACEAE |
| Claytonia megarhiza (Parry ex A. Gray) S. Watson |
PORTULACACEAE |
| Clementsia rhodantha (A. Gray) Rose |
CRASSULACEAE |
| Cleome lutea Hooker |
CAPPARACEAE |
| Collomia linearis Nuttall |
POLEMONIACEAE |
| Comandra umbellata (L.) Nuttall ssp pallida (A. De Candolle) Piehl |
SANTALACEAE |
| Comarum palustre L. |
ROSACEAE |
| Corallorhiza trifida (L.) Chatelain |
ORCHIDACEAE |
| Cordylanthus wrightii A. Gray |
SCROPHULARIACEAE |
| Corydalis curvisiliqua Engelmann subsp. occidentalis (Engelmann ex A. Gray) W. A. Weber |
FUMARIACEAE |
| Coryphantha vivipara (Nuttall) Britton & Rose |
CACTACEAE |
| Coryphantha vivipara (Nuttall) Britton & Rose var radiosa (Engelmann) Backeberg |
CACTACEAE |
| Crataegus rivularis Nuttall |
ROSACEAE |
| Critesion jubatum (L.) Nevski |
POACEAE |
| Cryptantha crassisepala (Torrey & Gray) Greene var elachantha I. M. Johnston |
BORAGINACEAE |
| Cryptantha fendleri (A. Gray) Greene |
BORAGINACEAE |
| Cryptantha gracilis Osterhout |
BORAGINACEAE |
| Cryptantha minima Rydberg |
BORAGINACEAE |
| Cryptogramma acrostichoides R. Brown in Richardson |
PTERIDACEAE |
| Cryptogramma stelleri (S. G. Gmelin) Prantl |
PTERIDACEAE |
| Cymopterus bulbosus A. Nelson |
APIACEAE |
| Cymopterus fendleri A. Gray |
APIACEAE |
| Cymopterus purpurascens (A. Gray) Jones |
APIACEAE |
| Cymopterus purpureus S. Watson |
APIACEAE |
| Cystopteris fragilis (L.) Bernhardi |
DRYOPTERIDACEAE |
| Delphinium andersonii A. Gray var scaposum (Greene) Welsh |
HELLEBORACEAE |
| Delphinium barbeyi (Huth) Huth |
HELLEBORACEAE |
| Delphinium nuttallianum Pritzel ex Walpers |
HELLEBORACEAE |
| Deschampsia brevifolia R. Brown |
POACEAE |
| Deschampsia cespitosa (L.) P. Beauvois |
POACEAE |
| Descurainia californica (A. Gray) O. E. Schulz |
BRASSICACEAE |
| Descurainia pinnata (Walter) Britton |
BRASSICACEAE |
| Descurainia pinnata (Walter) Britton subsp. halictorum (Cockerell) Detling |
BRASSICACEAE |
| Descurainia sophia (L.) Webb ex Prantl |
BRASSICACEAE |
| Distegia involucrata (Banks ex Sprengel) Cockerell |
CAPRIFOLIACEAE |
| Distichlis stricta (Torrey) Rydberg |
POACEAE |
| Draba albertina Greene |
BRASSICACEAE |
| Draba aurea M. Vahl ex Hornemann |
BRASSICACEAE |
| Draba breweri S. Wats. var. cana (Rydb.) Rollins |
BRASSICACEAE |
| Draba crassifolia R. Graham |
BRASSICACEAE |
| Draba cuneifolia Nuttall ex Torrey & Gray |
BRASSICACEAE |
| Draba fladnizensis Wulfen var. pattersonii (O. E. Schulz) Rollins |
BRASSICACEAE |
| Draba reptans (Lamarck) Fernald |
BRASSICACEAE |
| Draba spectabilis Greene |
BRASSICACEAE |
| Draba streptobrachia Price |
BRASSICACEAE |
| Dracocephalum parviflorum Nuttall |
LAMIACEAE |
| Dugaldia hoopesii (A. Gray) Rydberg |
ASTERACEAE |
| Echinocereus triglochidiatus Engelmann |
CACTACEAE |
| Eleocharis palustris (L.) Roemer & Schultes |
CYPERACEAE |
| Elymus glaucus Buckley |
POACEAE |
| Elymus longifolius (J. G. Smith) Gould |
POACEAE |
| Elymus trachycaulus (Link) Gould |
POACEAE |
| Elymus trachycaulus (Link) Gould ex Shinners ssp andinus (Scribner & Smith) Löve & Löve |
POACEAE |
| Elytrigia repens (L.) Nevski |
POACEAE |
| Ephedra torreyana S. Watson |
EPHEDRACEAE |
| Ephedra viridis Coville var. viridis |
EPHEDRACEAE |
| Epilobium anagallidifolium Lamarck |
ONAGRACEAE |
| Epilobium lactiflorum Haussknecht |
ONAGRACEAE |
| Equisetum arvense L. |
EQUISETACEAE |
| Eremogone congesta (Nuttall ex Torrey & Gray) Ikonnikov |
ALSINACEAE |
| Eremogone fendleri (A. Gray) Ikonnikov |
ALSINACEAE |
| Eremogone kingii (S. Watson) Ikonnikov ssp uintahensis (A. Nelson) W. A. Weber |
ALSINACEAE |
| Erigeron compositus Pursh |
ASTERACEAE |
| Erigeron concinnus (H. & A.) T. & G. |
ASTERACEAE |
| Erigeron concinnus (H. & A.) T. & G. var. condensatus D.C. Eaton in S. Wats |
ASTERACEAE |
| Erigeron coulteri T. C. Porter |
ASTERACEAE |
| Erigeron elatior (A. Gray) Greene |
ASTERACEAE |
| Erigeron flagellaris A. Gray |
ASTERACEAE |
| Erigeron formosissimus Greene |
ASTERACEAE |
| Erigeron simplex Greene |
ASTERACEAE |
| Erigeron speciosus (Lindley) De Candolle var macranthus (Nuttall) Cronquist |
ASTERACEAE |
| Eriogonum gordonii Bentham |
POLYGONACEAE |
| Eriogonum lonchophyllum Torrey & Gray |
POLYGONACEAE |
| Eriogonum microthecum Nuttall |
POLYGONACEAE |
| Eriogonum shockleyi S. Watson |
POLYGONACEAE |
| Eriogonum umbellatum Torrey var aureum (Gandoger) Reveal |
POLYGONACEAE |
| Eriogonum umbellatum Torrey var. umbellatum |
POLYGONACEAE |
| Eriophorum altaicum Meinshausen var neogaeum Raymond |
CYPERACEAE |
| Eriophorum angustifolium Honckeny |
CYPERACEAE |
| Eriophorum gracile W.D.J. Koch in Roth |
CYPERACEAE |
| Erysimum capitatum (Douglas) Greene |
BRASSICACEAE |
| Erythrocoma triflora (Pursh) Greene |
ROSACEAE |
| Fendlera falcata Thornber in Woot. & Standl. |
HYDRANGEACEAE |
| Festuca brachyphylla Schultes ssp coloradensis Fredriksen |
POACEAE |
| Festuca saximontana Rydberg |
POACEAE |
| Festuca thurberi Vasey in Rothrock |
POACEAE |
| Forestiera pubescens Nuttall |
OLEACEAE |
| Fragaria vesca L. ssp bracteata (Heller) Staudt |
ROSACEAE |
| Fragaria virginiana P. Miller ssp glauca (S. Watson) Staudt |
ROSACEAE |
| Fraxinus anomala Torrey ex S. Watson |
OLEACEAE |
| Gaillardia pinnatifida Torrey |
ASTERACEAE |
| Galium septentrionale Roemer & Schultes |
RUBIACEAE |
| Galium spurium L. |
RUBIACEAE |
| Galium triflorum Michaux |
RUBIACEAE |
| Gastrolychnis drummondii (Hooker) Löve & Löve |
CARYOPHYLLACEAE |
| Gentianella heterosepala (Engelmann) Holub |
GENTIANACEAE |
| Gentianodes algida (Pallas) Löve & Löve |
GENTIANACEAE |
| Gentianopsis barbellata (Engelmann) Iltis |
GENTIANACEAE |
| Gentianopsis thermalis (Kuntze) Iltis |
GENTIANACEAE |
| Geranium caespitosum James ex Torrey |
GERANIACEAE |
| Geranium richardsonii Fischer & Trautvetter |
GERANIACEAE |
| Geum macrophyllum Willdenow |
ROSACEAE |
| Geum macrophyllum Willdenow var perincisum Raup |
ROSACEAE |
| Gilia ophthalmoides Brand |
POLEMONIACEAE |
| Gilia sinuata Douglas ex Bentham |
POLEMONIACEAE |
| Glyceria elata (Nash ex Rydberg) Jones |
POACEAE |
| Grindelia decumbens Greene var. decumbens |
ASTERACEAE |
| Hedeoma drummondii Bentham |
LAMIACEAE |
| Hedysarum boreale Nuttall |
FABACEAE |
| Helianthella quinquenervis (Hooker) A. Gray |
ASTERACEAE |
| Heliomeris multiflora Nuttall |
ASTERACEAE |
| Heracleum sphondylium L. ssp montanum (Schleicher ex Gaudin) Briquet in Schinz & Thellung |
APIACEAE |
| Hesperostipa comata (Trinius & Ruprecht) Barkworth |
POACEAE |
| Heterotheca villosa (Pursh) Shinners |
ASTERACEAE |
| Heterotheca villosa (Pursh) Shinners var hispida (Hooker) V. Harms |
ASTERACEAE |
| Heuchera parvifolia Nuttall ex Torrey & Gray |
SAXIFRAGACEAE |
| Hippochaete laevigata (A. Braun) Farwell |
EQUISETACEAE |
| Hydrophyllum fendleri (A. Gray) Heller |
HYDROPHYLLACEAE |
| Hymenopappus filifolius Hooker var cinereus (Rydberg) I. M. Johnston |
ASTERACEAE |
| Hymenopappus filifolius Hooker var luteus (Nuttall) B. Turner |
ASTERACEAE |
| Hymenopappus filifolius Hooker var megacephalus B. Turner |
ASTERACEAE |
| Hypericum formosum Humboldt, Bonpland, & Kunth |
HYPERICACEAE |
| Ipomopsis aggregata (Pursh) V. Grant |
POLEMONIACEAE |
| Ipomopsis aggregata (Pursh) V. Grant ssp aggregata |
POLEMONIACEAE |
| Ipomopsis congesta (Hooker) V. Grant |
POLEMONIACEAE |
| Ipomopsis congesta (Hooker) V. Grant ssp congesta |
POLEMONIACEAE |
| Ipomopsis pumila (Nuttall) V. Grant |
POLEMONIACEAE |
| Iris missouriensis Nuttall |
IRIDACEAE |
| Juncus arcticus Willdenow ssp ater (Rydberg) Hultén |
JUNCACEAE |
| Juncus mertensianus Bongard |
JUNCACEAE |
| Juncus saximontanus A. Nelson |
JUNCACEAE |
| Juncus tracyi Rydberg |
JUNCACEAE |
| Juniperus communis L. ssp alpina (J. E. Smith) Celakovsky |
CUPRESSACEAE |
| Koeleria macrantha (Ledebour) Schultes |
POACEAE |
| Lappula redowskii (Hornemann) Greene |
BORAGINACEAE |
| Lathyrus eucosmus Butters & St. John |
FABACEAE |
| Lathyrus leucanthus Rydberg |
FABACEAE |
| Lepidium densiflorum Schrader |
BRASSICACEAE |
| Lepidium strictum (S. Watson) Rattan |
BRASSICACEAE |
| Lepidotheca suaveolens (Pursh) Nuttall |
ASTERACEAE |
| Lesquerella parvula Greene |
BRASSICACEAE |
| Lesquerella rectipes Wooton & Standley |
BRASSICACEAE |
| Leucanthemum vulgare Lamarck |
ASTERACEAE |
| Leymus salina (Jones) Löve |
POACEAE |
| Ligularia bigelovii (A. Gray) W. A. Weber var hallii (A. Gray) W. A. Weber |
ASTERACEAE |
| Ligularia holmii (Greene) W. A. Weber |
ASTERACEAE |
| Ligusticum porteri Coulter & Rose |
APIACEAE |
| Limnorchis ensifolia Rydberg |
ORCHIDACEAE |
| Linaria genistifolia (L.) P. Miller ssp dalmatica (L.) Maire et al. |
SCROPHULARIACEAE |
| Linaria vulgaris P. Miller |
SCROPHULARIACEAE |
| Linnaea borealis L. ssp americana (Forbes) Hultén ex Clausen |
CAPRIFOLIACEAE |
| Listera cordata (L.) R. Brown ssp nephrophylla (Rydberg) Löve & Löve |
ORCHIDACEAE |
| Lithophragma glabrum Nuttall |
SAXIFRAGACEAE |
| Lithophragma tenellum Nuttall |
SAXIFRAGACEAE |
| Lithospermum incisum Lehmann |
BORAGINACEAE |
| Lomatium grayi Coulter & Rose |
APIACEAE |
| Lomatium triternatum (Pursh) Coulter & Rose ssp platycarpum (Torrey) Cronquist |
APIACEAE |
| Lupinus ammophilus Greene |
FABACEAE |
| Lupinus argenteus Pursh |
FABACEAE |
| Lupinus prunophilus Jones |
FABACEAE |
| Luzula parviflora (Ehrhart) Desvaux |
JUNCACEAE |
| Luzula spicata (L.) De Candolle |
JUNCACEAE |
| Lygodesmia grandiflora (Nuttall) Torrey & Gray |
ASTERACEAE |
| Machaeranthera canescens (Pursh) A. Gray |
ASTERACEAE |
| Machaeranthera grindelioides (Nuttall) Shinners |
ASTERACEAE |
| Machaeranthera pinnatifida (Hooker) Shinners |
ASTERACEAE |
| Mahonia repens (Lindley) G. Don |
BERBERIDACEAE |
| Maianthemum amplexicaule (Nuttall) W. A. Weber |
CONVALLARIACEAE |
| Maianthemum stellatum (L.) Link |
CONVALLARIACEAE |
| Malacothrix sonchoides (Nuttall) Torrey & Gray |
ASTERACEAE |
| Marrubium vulgare L. |
LAMIACEAE |
| Melilotus albus Medicus |
FABACEAE |
| Melilotus officinale (L.) Pallas |
FABACEAE |
| Menyanthes trifoliata L. |
MENYANTHACEAE |
| Mertensia brevistyla S. Watson |
BORAGINACEAE |
| Mertensia ciliata (James ex Torrey) G. Don |
BORAGINACEAE |
| Mertensia franciscana Heller |
BORAGINACEAE |
| Mesynium puberulum (Engelmann in A. Gray) W. A. Weber |
LINACEAE |
| Micranthes odontoloma (Piper) Heller |
SAXIFRAGACEAE |
| Micranthes rhomboidea (Greene) Small |
SAXIFRAGACEAE |
| Mimulus guttatus De Candolle |
SCROPHULARIACEAE |
| Mitella pentandra Hooker |
SAXIFRAGACEAE |
| Mitella stauropetala Piper var stenopetala (Piper) Rosendahl |
SAXIFRAGACEAE |
| Moehringia lateriflora (L.) Fenzl |
ALSINACEAE |
| Moneses uniflora (L.) A. Gray |
PYROLACEAE |
| Muhlenbergia asperifolia (Nees & Meyen ex Trinius) Parodi |
POACEAE |
| Myriophyllum sibiricum Komarov |
HALORAGACEAE |
| Noccaea montana (L.) F. K. Meyer |
BRASSICACEAE |
| Nuttallia cronquistii (Thompson & Prigge) W. A. Weber |
LOASACEAE |
| Nuttallia pterosperma (Eastwood) Greene |
LOASACEAE |
| Oenothera albicaulis Pursh |
ONAGRACEAE |
| Oenothera caespitosa Nuttall ex Fraser ssp macroglottis (Rydberg) W. L. Wagner et al. |
ONAGRACEAE |
| Oenothera caespitosa Nuttall ex Fraser ssp marginata (Nuttall) W. L. Wagner et al. |
ONAGRACEAE |
| Oenothera pallida Lindley ssp trichocalyx (Nuttall ex Torrey & Gray) Munz & Klein |
ONAGRACEAE |
| Oligosporus dracunculus (L.) Poljakov ssp glaucus (Pallas) Löve & Löve |
ASTERACEAE |
| Opuntia fragilis (Nuttall) Haworth |
CACTACEAE |
| Opuntia polyacantha Haworth |
CACTACEAE |
| Opuntia polyacantha Haworth var. polyacantha |
CACTACEAE |
| Oreocarya flavoculata A. Nelson |
BORAGINACEAE |
| Oreocarya gypsophila comb. nov. ined. |
BORAGINACEAE |
| Oreocarya nitida Greene |
BORAGINACEAE |
| Oreochrysum parryi (A. Gray) Rydberg |
ASTERACEAE |
| Orthilia secunda (L.) House |
PYROLACEAE |
| Orthocarpus purpureoalbus A. Gray |
SCROPHULARIACEAE |
| Osmorhiza depauperata Philippi |
APIACEAE |
| Osmorhiza occidentalis (Nuttall) Torrey |
APIACEAE |
| Oxypolis fendleri (A. Gray) Heller |
APIACEAE |
| Oxyria digyna (L.) J. Hill |
POLYGONACEAE |
| Packera multilobata (Torrey & Gray ex A. Gray) Weber & Löve |
ASTERACEAE |
| Packera neomexicana (A. Gray) Weber & Löve |
ASTERACEAE |
| Packera streptanthifolia (Greene) Weber & Löve |
ASTERACEAE |
| Packera werneriifolia (A. Gray) Weber & Löve |
ASTERACEAE |
| Panicum virgatum L. |
POACEAE |
| Paronychia sessiliflora Nuttall |
ALSINACEAE |
| Paxistima myrsinites (Pursh) Rafinesque |
CELASTRACEAE |
| Pedicularis bracteosa Bentham in Hooker ssp paysoniana (Pennell) W. A. Weber |
SCROPHULARIACEAE |
| Pedicularis groenlandica Retzius |
SCROPHULARIACEAE |
| Pedicularis procera A. Gray |
SCROPHULARIACEAE |
| Pedicularis racemosa Douglas ex Hooker ssp alba Pennell |
SCROPHULARIACEAE |
| Pediocactus simpsonii (Engelmann) Britton & Rose var minor (Engelmann) Cockerell |
CACTACEAE |
| Pediomelum megalanthum (Wooton & Standley) Rydberg |
FABACEAE |
| Pellaea atropurpurea (L.) Link |
PTERIDACEAE |
| Penstemon barbatus (Cavanilles) Roth ssp trichander (A. Gray) Keck |
SCROPHULARIACEAE |
| Penstemon breviculus (Keck) Nisbet & Jackson |
SCROPHULARIACEAE |
| Penstemon caespitosus Nuttall |
SCROPHULARIACEAE |
| Penstemon comarrhenus A. Gray |
SCROPHULARIACEAE |
| Penstemon cyanocaulis Payson |
SCROPHULARIACEAE |
| Penstemon harbourii A. Gray |
SCROPHULARIACEAE |
| Penstemon lentus Pennell |
SCROPHULARIACEAE |
| Penstemon linarioides A. Gray |
SCROPHULARIACEAE |
| Penstemon ophianthus Pennell |
SCROPHULARIACEAE |
| Penstemon strictus Bentham in De Candolle |
SCROPHULARIACEAE |
| Penstemon whippleanus A. Gray |
SCROPHULARIACEAE |
| Pentaphylloides floribunda (Pursh) Löve |
ROSACEAE |
| Peraphyllum ramosissimum Nuttall ex Torrey & Gray |
ROSACEAE |
| Phacelia constancei Atwood |
HYDROPHYLLACEAE |
| Phacelia crenulata Torrey |
HYDROPHYLLACEAE |
| Phacelia heterophylla Pursh |
HYDROPHYLLACEAE |
| Phacelia sericea (R. Graham) A. Gray ssp sericea |
HYDROPHYLLACEAE |
| Phleum pratense L. |
POACEAE |
| Phlox longifolia Nuttall |
POLEMONIACEAE |
| Phoradendron juniperinum Engelmann |
VISCACEAE |
| Phragmites australis (Cavanilles) Trinius ex Steudel |
POACEAE |
| Physaria acutifolia Rydberg |
BRASSICACEAE |
| Physaria pulvinata O'Kane & Reveal |
BRASSICACEAE |
| Picea pungens Engelmann |
PINACEAE |
| Pinus edulis Engelmann |
PINACEAE |
| Plantago patagonica Jacquin |
PLANTAGINACEAE |
| Platanthera aquilonis Sheviak |
ORCHIDACEAE |
| Platanthera obtusata (Banks ex Pursh) Lindley |
ORCHIDACEAE |
| Platanthera purpurascens (Rydberg) Sheviak & W.F. Jennings |
ORCHIDACEAE |
| Pneumonanthe affinis (Grisebach) Greene |
GENTIANACEAE |
| Pneumonanthe parryi (Engelmann) Greene |
GENTIANACEAE |
| Poa agassizensis Boivin & D. Löve |
POACEAE |
| Poa alpina L. |
POACEAE |
| Poa arctica R. Brown |
POACEAE |
| Poa fendleriana (Steudel) Vasey |
POACEAE |
| Poa juncifolia Scribner |
POACEAE |
| Poa leptocoma Trinius |
POACEAE |
| Poa nervosa (Hooker) Vasey |
POACEAE |
| Poa palustris L. |
POACEAE |
| Poa pratensis L. |
POACEAE |
| Poa reflexa Vasey & Scribner |
POACEAE |
| Polemonium foliosissimum (A. Gray) A. Gray |
POLEMONIACEAE |
| Polemonium pulcherrimum Hooker ssp delicatum (Rydberg) Brand |
POLEMONIACEAE |
| Polemonium viscosum Nuttall |
POLEMONIACEAE |
| Polygonum arenastrum Boreau |
POLYGONACEAE |
| Polygonum douglasii Greene |
POLYGONACEAE |
| Potentilla concinna Richardson var. concinna |
ROSACEAE |
| Potentilla hippiana Lehmann |
ROSACEAE |
| Potentilla pulcherrima Lehmann |
ROSACEAE |
| Potentilla subjuga Rydberg |
ROSACEAE |
| Psathyrostachys juncea (Fischer) Nevski |
POACEAE |
| Pseudocymopterus montanus (A. Gray) Coulter & Rose |
APIACEAE |
| Psilochenia intermedia (A. Gray) W. A. Weber |
ASTERACEAE |
| Psilochenia occidentalis (Nutt.) Weber |
ASTERACEAE |
| Psilochenia runcinata (James ex Torrey) Löve & Löve |
ASTERACEAE |
| Pterogonum alatum (Torrey) Gross |
POLYGONACEAE |
| Pulsatilla patens (L.) P. Miller ssp multifida (Pritzel) Zamels |
RANUNCULACEAE |
| Purshia stansburiana (Torrey) Henrickson |
ROSACEAE |
| Purshia stansburiana X tridentata |
ROSACEAE |
| Purshia tridentata (Pursh) De Candolle |
ROSACEAE |
| Pyrola chlorantha Swartz |
PYROLACEAE |
| Pyrola rotundifolia L. ssp asarifolia (Michaux) Löve |
PYROLACEAE |
| Pyrrocoma crocea (A. Gray) Greene |
ASTERACEAE |
| Quercus gambelii Nuttall |
FAGACEAE |
| Ranunculus eschscholtzii Schlechtendal |
RANUNCULACEAE |
| Ranunculus gmelinii De Candolle var hookeri (D. Don) L. Benson |
RANUNCULACEAE |
| Ranunculus inamoenus Greene |
RANUNCULACEAE |
| Ranunculus macauleyi A. Gray |
RANUNCULACEAE |
| Ranunculus macounii Britton |
RANUNCULACEAE |
| Ranunculus uncinatus D. Don |
RANUNCULACEAE |
| Rhamnus smithii Greene |
RHAMNACEAE |
| Rhodiola integrifolia Rafinesque |
CRASSULACEAE |
| Rhus aromatica Aiton ssp trilobata (Nuttall ex Torrey & Gray) W. A. Weber |
ANACARDIACEAE |
| Ribes inerme Rydberg |
GROSSULARIACEAE |
| Ribes montigenum McClatchie |
GROSSULARIACEAE |
| Rorippa teres (Michaux) Stuckey |
BRASSICACEAE |
| Rosa woodsii Lindley |
ROSACEAE |
| Rubus idaeus L. ssp melanolasius (Dieck) Focke |
ROSACEAE |
| Rudbeckia ampla A. Nelson |
ASTERACEAE |
| Rumex aquaticus L. ssp occidentalis (S. Watson) Hultén |
POLYGONACEAE |
| Rumex hymenosepalus Torrey |
POLYGONACEAE |
| Rumex triangulivalvis (Danser) Rechinger f. |
POLYGONACEAE |
| Sabina osteosperma (Torrey) Antoine |
CUPRESSACEAE |
| Sagina saginoides (L.) Karsten |
ALSINACEAE |
| Salix amygdaloides Andersson |
SALICACEAE |
| Salix brachycarpa Nuttall |
SALICACEAE |
| Salix exigua Nuttall |
SALICACEAE |
| Salix lasiandra Bentham var caudata (Nuttall) Sudworth |
SALICACEAE |
| Salix lasiandra Bentham var lasiandra |
SALICACEAE |
| Salix ligulifolia (Ball ex C. K. Schneider) Ball ex E. C. Smith |
SALICACEAE |
| Salix monticola Bebb in Coulter |
SALICACEAE |
| Salvia reflexa Hornemann |
LAMIACEAE |
| Sarcobatus vermiculatus (Hooker) Torrey |
CHENOPODIACEAE |
| Saxifraga cernua L. |
SAXIFRAGACEAE |
| Saxifraga hyperborea R. Brown ssp debilis (Engelmann ex A. Gray) Löve et al. |
SAXIFRAGACEAE |
| Saxifraga rivularis L. |
SAXIFRAGACEAE |
| Schizachyrium scoparium (Michaux) Nash |
POACEAE |
| Schoenocrambe linifolia (Nuttall) Greene |
BRASSICACEAE |
| Sclerocactus parviflorus Clover & Jotter |
CACTACEAE |
| Senecio atratus Greene |
ASTERACEAE |
| Senecio crassulus A. Gray |
ASTERACEAE |
| Senecio eremophilus Richardson ssp kingii (Rydberg) Douglas & R.-Douglas |
ASTERACEAE |
| Senecio fremontii Torrey & Gray ssp blitoides (Greene) W. A. Weber |
ASTERACEAE |
| Senecio integerrimus Nuttall |
ASTERACEAE |
| Senecio serra Hooker |
ASTERACEAE |
| Senecio triangularis Hooker |
ASTERACEAE |
| Seriphidium canum (Pursh) W. A. Weber |
ASTERACEAE |
| Shepherdia argentea (Pursh) Nuttall |
ELAEAGNACEAE |
| Sibbaldia procumbens L. |
ROSACEAE |
| Silene acaulis (L.) L. ssp subacaulescens (F. N. Williams) Hitchcock & Maguire |
CARYOPHYLLACEAE |
| Sisymbrium altissimum L. |
BRASSICACEAE |
| Sisymbrium loeselii L. |
BRASSICACEAE |
| Solidago canadensis L. |
ASTERACEAE |
| Solidago gigantea Aiton |
ASTERACEAE |
| Solidago multiradiata Aiton |
ASTERACEAE |
| Solidago multiradiata Aiton var. scopulorum Gray |
ASTERACEAE |
| Solidago velutina De Candolle |
ASTERACEAE |
| Sorghastrum avenaceum (Michaux) Nash |
POACEAE |
| Spergulastrum lanuginosum Michaux ssp saxosum (A. Gray) W. A. Weber |
ALSINACEAE |
| Sphaeralcea coccinea (Pursh) Rydberg |
MALVACEAE |
| Sphaeralcea coccinea (Pursh) Rydberg ssp dissecta (Nuttall) Kearney |
MALVACEAE |
| Sphaeralcea parvifolia A. Nelson |
MALVACEAE |
| Spiranthes romanzoffiana Chamisso |
ORCHIDACEAE |
| Sporobolus cryptandrus (Torrey) A. Gray |
POACEAE |
| Stanleya pinnata (Pursh) Britton |
BRASSICACEAE |
| Stellaria irrigua Bunge |
ALSINACEAE |
| Stellaria longifolia Mühlenberg ex Willdenow |
ALSINACEAE |
| Stellaria longipes Goldie |
ALSINACEAE |
| Stellaria umbellata Turczaninov ex Karilin & Kirilow |
ALSINACEAE |
| Stenotus armerioides Nuttall |
ASTERACEAE |
| Swertia perennis L. |
GENTIANACEAE |
| Swida sericea (L.) Holub |
CORNACEAE |
| Symphoricarpos rotundifolius A. Gray |
CAPRIFOLIACEAE |
| Taraxacum officinale G. H. Weber ex Wiggers |
ASTERACEAE |
| Tetradymia spinosa Hooker & Arnott |
ASTERACEAE |
| Tetraneuris ivesiana Greene |
ASTERACEAE |
| Thalictrum fendleri Engelmann ex A. Gray |
THALICTRACEAE |
| Thelesperma subnudum A. Gray |
ASTERACEAE |
| Thelypodiopsis elegans (Jones) Rydberg |
BRASSICACEAE |
| Thelypodium integrifolium (Nuttall) Endlicher |
BRASSICACEAE |
| Tonestus pygmaeus (Torrey & Gray) A. Nelson |
ASTERACEAE |
| Torreyochloa pauciflora (J. Presl in K. Presl) Church |
POACEAE |
| Townsendia annua Beaman |
ASTERACEAE |
| Townsendia exscapa (Richardson) T. C. Porter |
ASTERACEAE |
| Townsendia incana Nuttall |
ASTERACEAE |
| Toxicoscordion paniculatum (Nuttall) Rydberg |
MELANTHIACEAE |
| Toxicoscordion venenosum (S. Watson) Rydberg |
MELANTHIACEAE |
| Tragopogon dubius Scopoli ssp major (Jacquin) Vollmann |
ASTERACEAE |
| Trifolium attenuatum Greene |
FABACEAE |
| Trifolium kingii S. Watson |
FABACEAE |
| Trifolium longipes Nuttall |
FABACEAE |
| Trifolium salictorum Greene ex Rydberg |
FABACEAE |
| Trisetum spicatum (L.) Richter ssp. alaskanum (Nash) Hultén |
POACEAE |
| Trollius albiflorus (A. Gray) Rydberg |
HELLEBORACEAE |
| Urtica gracilis Aiton ssp gracilis |
URTICACEAE |
| Vaccinium myrtillus L. ssp oreophilum (Rydberg) Löve et al. |
ERICACEAE |
| Valeriana edulis Nuttall |
VALERIANACEAE |
| Veratrum tenuipetalum Heller |
MELANTHIACEAE |
| Veronica americana Schweinitz ex Bentham |
SCROPHULARIACEAE |
| Veronica catenata Pennell |
SCROPHULARIACEAE |
| Veronica nutans Bongard |
SCROPHULARIACEAE |
| Veronicastrum serpyllifolium L. ssp humifusum (Dickson) W. A. Weber |
SCROPHULARIACEAE |
| Vexibia nuttalliana (B. Turner) W. A. Weber |
FABACEAE |
| Vicia americana Mühlenberg |
FABACEAE |
| Vicia villosa Roth |
FABACEAE |
| Viola adunca J. E. Smith |
VIOLACEAE |
| Viola rydbergii Greene |
VIOLACEAE |
| Viola scopulorum (A. Gray) Greene |
VIOLACEAE |
| Virgulaster ascendens (Lindley ex Hooker) Semple |
ASTERACEAE |
| Virgulus falcatus (Lindley) Reveal & Keener |
ASTERACEAE |
| Vulpia octoflora (Walter) Rydberg |
POACEAE |
| Wyethia magna A. Nelson ex W. A. Weber |
ASTERACEAE |
| Yucca baccata Torrey |
AGAVACEAE |
| Yucca harrimaniae Trelease |
AGAVACEAE |
