1109 Records
| Citation | Family Name |
| Abies arizonica Merriam |
PINACEAE |
| Abies concolor (Gordon & Glendower) Lindley ex Hildebrand |
PINACEAE |
| Abronia elliptica A. Nelson |
NYCTAGINACEAE |
| Acer glabrum Torrey |
ACERACEAE |
| Acer grandidentatum Nuttall ex Torrey & Gray |
ACERACEAE |
| Achillea lanulosa Nuttall |
ASTERACEAE |
| Achnatherum hymenoides (Roemer & Schultes) Barkworth |
POACEAE |
| Achnatherum nelsonii (Scribner) Barkworth |
POACEAE |
| Achnatherum speciosum (Trinius & Ruprecht) Barkworth |
POACEAE |
| Acomastylis rossii (R. Brown) Greene ssp turbinata (Rydberg) W. A. Weber |
ROSACEAE |
| Aconitum columbianum Nuttall ex Torrey & Gray |
HELLEBORACEAE |
| Aconitum columbianum Nuttall ex Torrey & Gray var. columbianum |
HELLEBORACEAE |
| Acosta diffusa (Lamarck) Sojak |
ASTERACEAE |
| Acrolasia albicaulis (Douglas ex Hooker) Rydberg |
LOASACEAE |
| Acrolasia gracilis Rydberg |
LOASACEAE |
| Acrolasia humilis Osterhout |
LOASACEAE |
| Acroptilon repens (L.) De Candolle |
ASTERACEAE |
| Actaea rubra (Aiton) Willdenow ssp arguta (Nuttall in Torrey & Gray) Hultén |
HELLEBORACEAE |
| Adenolinum lewisii (Pursh) Löve & Löve |
LINACEAE |
| Adiantum capillus-veneris L. |
PTERIDACEAE |
| Adoxa moschatellina L. |
ADOXACEAE |
| Agastache urticifolia (Bentham) Kuntze |
LAMIACEAE |
| Ageratina herbacea (A. Gray) King & Robinson |
ASTERACEAE |
| Agoseris aurantiaca (Hooker) Greene |
ASTERACEAE |
| Agoseris glauca (Pursh) Rafinesque |
ASTERACEAE |
| Agoseris glauca (Pursh) Rafinesque var. agrestis |
ASTERACEAE |
| Agoseris glauca (Pursh) Rafinesque var. dasycephala (Torrey & Gray) Jepson |
ASTERACEAE |
| Agropyron desertorum Fischer ex Link |
POACEAE |
| Agropyron mongolicum Keng |
POACEAE |
| Agropyron pectiniforme Roemer & Schultes |
POACEAE |
| Agrostis exarata Trinius |
POACEAE |
| Agrostis gigantea Roth |
POACEAE |
| Agrostis scabra Willdenow |
POACEAE |
| Agrostis stolonifera L. |
POACEAE |
| Aletes macdougalii Coulter & Rose ssp breviradiatus Theobald & Tseng |
APIACEAE |
| Aliciella haydenii (A. Gray) J.M. Porter |
POLEMONIACEAE |
| Aliciella haydenii (A. Gray) J.M. Porter ssp crandallii (Rydberg) J.M. Porter |
POLEMONIACEAE |
| Aliciella triodon (Eastwood) A. Brand |
POLEMONIACEAE |
| Alisma gramineum Lejeune |
ALISMATACEAE |
| Allionia incarnata L. |
NYCTAGINACEAE |
| Allium acuminatum Hooker |
ALLIACEAE |
| Allium cernuum Roth |
ALLIACEAE |
| Allium geyeri S. Watson |
ALLIACEAE |
| Allium macropetalum Rydberg |
ALLIACEAE |
| Alnus incana (L.) Moench |
BETULACEAE |
| Alnus incana (L.) Moench ssp tenuifolia (Nuttall) Breitung |
BETULACEAE |
| Alopecurus aequalis Sobolewski |
POACEAE |
| Alsine media L. |
ALSINACEAE |
| Alyssum desertorum Stapf |
BRASSICACEAE |
| Alyssum parviflorum M. Bieberstein var. micranthum (C. A. Meyer in Fisher & Meyer) Dorn |
BRASSICACEAE |
| Amaranthus albus L. |
AMARANTHACEAE |
| Amaranthus blitoides S. Watson |
AMARANTHACEAE |
| Amaranthus hybridus L. |
AMARANTHACEAE |
| Amaranthus powellii S. Watson |
AMARANTHACEAE |
| Ambrosia acanthicarpa Hooker |
ASTERACEAE |
| Ambrosia tomentosa Nuttall |
ASTERACEAE |
| Amelanchier alnifolia Nuttall |
ROSACEAE |
| Amelanchier utahensis Koehne |
ROSACEAE |
| Amerosedum lanceolatum (Torrey) Löve & Löve |
CRASSULACEAE |
| Ammannia robusta Heer & Regel |
LYTHRACEAE |
| Amsonia jonesii Woodson |
APOCYNACEAE |
| Andropogon gerardii Vitman |
POACEAE |
| Androsace occidentalis Pursh |
PRIMULACEAE |
| Androsace septentrionalis L. |
PRIMULACEAE |
| Androstephium breviflorum S. Watson |
ALLIACEAE |
| Angelica grayi (Coulter & Rose) Coulter & Rose |
APIACEAE |
| Anisantha rubens (L.) Nevski |
POACEAE |
| Anisantha tectorum (L.) Nevski |
POACEAE |
| Anotites menziesii (Hooker) Greene |
CARYOPHYLLACEAE |
| Antennaria dimorpha (Nuttall) Torrey & Gray |
ASTERACEAE |
| Antennaria marginata Greene |
ASTERACEAE |
| Antennaria parvifolia Nuttall |
ASTERACEAE |
| Antennaria rosea Greene |
ASTERACEAE |
| Antennaria rosulata Rydberg |
ASTERACEAE |
| Anticlea elegans (Pursh) Rydberg |
MELANTHIACEAE |
| Aphyllon fasciculatum (Nuttall) Torrey & Gray |
OROBANCHACEAE |
| Aphyllon uniflorum (L.) Torrey & Gray |
OROBANCHACEAE |
| Apocynum cannabinum L. |
APOCYNACEAE |
| Aquilegia coerulea James ex Torrey |
HELLEBORACEAE |
| Aquilegia elegantula Greene |
HELLEBORACEAE |
| Aquilegia micrantha Eastwood |
HELLEBORACEAE |
| Arceuthobium divaricatum Engelmann |
VISCACEAE |
| Arctium minus (J. Hill) Bernhardi |
ASTERACEAE |
| Arctostaphylos uva-ursi (L.) Sprengel ssp adenotricha (Fernald & Macbride) Calder & Taylor |
ERICACEAE |
| Argemone polyanthemos (Fedde) G. Ownbey |
PAPAVERACEAE |
| Aristida purpurea Nuttall |
POACEAE |
| Aristida purpurea Nuttall var longiseta (Steudel) Vasey |
POACEAE |
| Arnica chamissonis Lessing ssp foliosa (Nuttall) Maguire |
ASTERACEAE |
| Arnica cordifolia Hooker |
ASTERACEAE |
| Arnica mollis Hooker |
ASTERACEAE |
| Arnica parryi A. Gray |
ASTERACEAE |
| Artemisia biennis Willdenow |
ASTERACEAE |
| Artemisia bigelovii A. Gray |
ASTERACEAE |
| Artemisia carruthii Wood {ex} Carruth |
ASTERACEAE |
| Artemisia frigida Willdenow |
ASTERACEAE |
| Artemisia ludoviciana Nuttall |
ASTERACEAE |
| Artemisia ludoviciana Nuttall ssp albula (Wooton) Keck |
ASTERACEAE |
| Artemisia ludoviciana Nuttall ssp incompta (Nuttall) Keck |
ASTERACEAE |
| Artemisia ludoviciana Nuttall ssp ludoviciana |
ASTERACEAE |
| Artemisia ludoviciana Nuttall ssp mexicana (Willdenow) Keck |
ASTERACEAE |
| Artemisia scopulorum A. Gray |
ASTERACEAE |
| Asclepias asperula (Decaisne) Woodson |
ASCLEPIADACEAE |
| Asclepias asperula (Decaisne) Woodson ssp asperula |
ASCLEPIADACEAE |
| Asclepias macrosperma Eastwood |
ASCLEPIADACEAE |
| Asclepias speciosa Torrey |
ASCLEPIADACEAE |
| Asclepias subverticillata (A. Gray) Vail |
ASCLEPIADACEAE |
| Asparagus officinalis L. |
ASPARAGACEAE |
| Aster bracteolatus Nuttall |
ASTERACEAE |
| Aster laevis L. var geyeri A. Gray |
ASTERACEAE |
| Aster lanceolatus Willdenow ssp hesperius (A. Gray) Semple & Chmielewski |
ASTERACEAE |
| Aster orthophyllus Greene |
ASTERACEAE |
| Astragalus alpinus L. |
FABACEAE |
| Astragalus amphioxys A. Gray |
FABACEAE |
| Astragalus amphioxys A. Gray var vespertinus (Sheldon) Jones |
FABACEAE |
| Astragalus calycosus Torrey ex S. Watson |
FABACEAE |
| Astragalus calycosus Torrey ex S. Watson var scaposus Jones |
FABACEAE |
| Astragalus ceramicus Sheldon |
FABACEAE |
| Astragalus ceramicus Sheldon var ceramicus |
FABACEAE |
| Astragalus cicer L. |
FABACEAE |
| Astragalus coltonii Jones var moabensis Jones |
FABACEAE |
| Astragalus cronquistii Barneby |
FABACEAE |
| Astragalus deterior (Barneby) Barneby |
FABACEAE |
| Astragalus falcatus Lamarck |
FABACEAE |
| Astragalus flavus Nuttall |
FABACEAE |
| Astragalus flexuosus (Hooker) G. Don |
FABACEAE |
| Astragalus flexuosus (Hooker) G. Don var diehlii (Jones) Barneby |
FABACEAE |
| Astragalus flexuosus (Hooker) G. Don var flexuosus |
FABACEAE |
| Astragalus haydenianus A. Gray |
FABACEAE |
| Astragalus humillimus A. Gray |
FABACEAE |
| Astragalus lentiginosus Douglas ex Hooker var diphysus (A. Gray) Jones |
FABACEAE |
| Astragalus lonchocarpus Torrey |
FABACEAE |
| Astragalus missouriensis Nuttall |
FABACEAE |
| Astragalus missouriensis Nuttall var amphibolus Barneby |
FABACEAE |
| Astragalus missouriensis Nuttall var missouriensis |
FABACEAE |
| Astragalus mollissimus Torrey var thompsoniae (S. Watson) Barneby |
FABACEAE |
| Astragalus monumentalis Barneby var cottamii (Welsh) Isely |
FABACEAE |
| Astragalus naturitensis Payson |
FABACEAE |
| Astragalus newberryi A. Gray |
FABACEAE |
| Astragalus nuttallianus De Candolle |
FABACEAE |
| Astragalus nuttallianus De Candolle var micranthemiformis Barneby |
FABACEAE |
| Astragalus oöphorus Jones var caulescens (Jones) Jones |
FABACEAE |
| Astragalus pattersonii A. Gray |
FABACEAE |
| Astragalus praelongus Sheldon |
FABACEAE |
| Astragalus praelongus Sheldon var praelongus |
FABACEAE |
| Astragalus schmolliae C. L. Porter |
FABACEAE |
| Astragalus scopulorum T. C. Porter in Porter & Coulter |
FABACEAE |
| Astragalus tortipes Anderson & Porter |
FABACEAE |
| Astragalus wingatanus S. Watson |
FABACEAE |
| Atragene columbiana Nuttall |
RANUNCULACEAE |
| Atriplex argentea Nuttall |
CHENOPODIACEAE |
| Atriplex canescens (Pursh) Nuttall |
CHENOPODIACEAE |
| Atriplex canescens (Pursh) Nuttall ssp garrettii (Rydberg) Hall & Clements |
CHENOPODIACEAE |
| Atriplex confertifolia (Torrey & Frémont) S. Watson |
CHENOPODIACEAE |
| Atriplex corrugata S. Watson |
CHENOPODIACEAE |
| Atriplex gardneri (Moquin) Standley |
CHENOPODIACEAE |
| Atriplex grayi Collotzi ex W. A. Weber |
CHENOPODIACEAE |
| Atriplex heterosperma Bunge |
CHENOPODIACEAE |
| Atriplex hortensis L. |
CHENOPODIACEAE |
| Atriplex obovata Moquin |
CHENOPODIACEAE |
| Atriplex patula L. |
CHENOPODIACEAE |
| Atriplex powellii S. Watson |
CHENOPODIACEAE |
| Atriplex rosea L. |
CHENOPODIACEAE |
| Atriplex saccaria S. Watson |
CHENOPODIACEAE |
| Avena fatua L. |
POACEAE |
| Bahia dissecta (A. Gray) Britton |
ASTERACEAE |
| Balsamita major Desfontaines, non L. |
ASTERACEAE |
| Balsamorhiza sagittata (Pursh) Nuttall |
ASTERACEAE |
| Barbarea orthoceras Ledebour |
BRASSICACEAE |
| Bassia hyssopifolia (Pallas) Kuntze |
CHENOPODIACEAE |
| Bassia sieversiana (Pallas) W. A. Weber |
CHENOPODIACEAE |
| Batrachium trichophyllum (Chaix) van den Bosch |
RANUNCULACEAE |
| Beckmannia syzigachne (Steudel) Fernald ssp baicalensis (Kuznetzow) Koyama & Kuwano |
POACEAE |
| Berteroa incana (L.) De Candolle |
BRASSICACEAE |
| Besseya ritteriana (Eastwood) Rydberg |
SCROPHULARIACEAE |
| Betula fontinalis Sargent |
BETULACEAE |
| Bidens cernua L. |
ASTERACEAE |
| Bidens frondosa L. |
ASTERACEAE |
| Bistorta bistortoides (Pursh) Small |
POLYGONACEAE |
| Bistorta vivipara (L.) S. Gray |
POLYGONACEAE |
| Blepharoneuron tricholepis (Torrey) Nash |
POACEAE |
| Boechera divaricarpa (A. Nelson) Löve & Löve |
BRASSICACEAE |
| Boechera drummondii (A. Gray) Löve & Löve |
BRASSICACEAE |
| Boechera fendleri (S. Watson) W. A. Weber |
BRASSICACEAE |
| Boechera lignifera (A. Nelson) W. A. Weber |
BRASSICACEAE |
| Boechera perennans (S. Watson) W. A. Weber |
BRASSICACEAE |
| Boechera pulchra (Jones ex S. Watson) W. A. Weber ssp pallens (Jones) W. A. Weber |
BRASSICACEAE |
| Boechera retrofracta (R. Graham) Löve & Löve |
BRASSICACEAE |
| Boechera selbyi (Rydberg) W. A. Weber |
BRASSICACEAE |
| Bolboschoenus maritimus (L.) Palla ssp paludosus (A. Nelson) Löve & Löve |
CYPERACEAE |
| Bolboschoenus maritimus (L.) Palla subsp. fluviatilis (Torrey) Löve & Löve |
CYPERACEAE |
| Bouteloua curtipendula (Michaux) Torrey |
POACEAE |
| Brachyactis ciliata Ledebour ssp angusta (Lindley) A. Jones |
ASTERACEAE |
| Breea arvensis (L.) Lessing |
ASTERACEAE |
| Brickellia brachyphylla A. Gray |
ASTERACEAE |
| Brickellia californica (Torrey & Gray) A. Gray |
ASTERACEAE |
| Brickellia grandiflora (Hooker) Nuttall |
ASTERACEAE |
| Brickellia microphylla (Nuttall) A. Gray ssp scabra (A. Gray) W. A. Weber |
ASTERACEAE |
| Brickellia oblongifolia Nuttall |
ASTERACEAE |
| Brickellia rosmarinifolia (Ventenat) W. A. Weber |
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 |
| Bromopsis porteri (Coulter) Holub |
POACEAE |
| Bromus japonicus Thunberg |
POACEAE |
| Bromus secalinus L. |
POACEAE |
| Calamagrostis canadensis (Michaux) P. Beauvois |
POACEAE |
| Callitriche hermaphroditica L. |
CALLITRICHACEAE |
| Callitriche verna L. emend. Lönnroth |
CALLITRICHACEAE |
| Calochortus flexuosus S. Watson |
CALOCHORTACEAE |
| Calochortus gunnisonii S. Watson |
CALOCHORTACEAE |
| Calochortus nuttallii Torrey var. nuttallii |
CALOCHORTACEAE |
| Calylophus lavandulifolius (Torrey & Gray) Raven |
ONAGRACEAE |
| Calystegia sepium (L.) R. Brown ssp angulata Brummitt |
CONVOLVULACEAE |
| Camelina microcarpa Andrzejowski ex De Candolle |
BRASSICACEAE |
| Camelina rumelica Velenovsky |
BRASSICACEAE |
| Camissonia scapoidea (Torrey & Gray) Raven |
ONAGRACEAE |
| Camissonia walkeri (A. Nelson) Raven |
ONAGRACEAE |
| Campanula rotundifolia L. |
CAMPANULACEAE |
| Cannabis sativa L. |
CANNABACEAE |
| Capsella bursa-pastoris (L.) Medicus |
BRASSICACEAE |
| Cardamine cordifolia A. Gray |
BRASSICACEAE |
| Cardaria chalepensis (L.) Handel-Mazzetti |
BRASSICACEAE |
| Cardaria draba (L.) Desvaux |
BRASSICACEAE |
| Cardaria latifolia (L.) Spach |
BRASSICACEAE |
| Cardaria pubescens (C. A. Meyer) Jarmolenko |
BRASSICACEAE |
| Carduus nutans L. ssp macrolepis (Peterman) Kazmi |
ASTERACEAE |
| Carex arapahoensis Clokey |
CYPERACEAE |
| Carex bella L. H. Bailey |
CYPERACEAE |
| Carex ebenea Rydberg |
CYPERACEAE |
| Carex geyeri F. Boott |
CYPERACEAE |
| Carex lenticularis Michaux var lipocarpa (Holm) L. Standley |
CYPERACEAE |
| Carex macloviana D'Urville |
CYPERACEAE |
| Carex microglochin Wahlenberg |
CYPERACEAE |
| Carex microptera Mackenzie |
CYPERACEAE |
| Carex nebrascensis Dewey |
CYPERACEAE |
| Carex nova L. H. Bailey |
CYPERACEAE |
| Carex occidentalis L. H. Bailey |
CYPERACEAE |
| Carex petasata Dewey |
CYPERACEAE |
| Carex praegracilis F. Boott |
CYPERACEAE |
| Carex retrorsa Schweinitz |
CYPERACEAE |
| Carex rossii F. Boott in Hooker |
CYPERACEAE |
| Carex utriculata F. Boott |
CYPERACEAE |
| Carex vallicola Dewey |
CYPERACEAE |
| Castilleja chromosa A. Nelson |
SCROPHULARIACEAE |
| Castilleja linariifolia Bentham in De Candolle |
SCROPHULARIACEAE |
| Castilleja miniata Douglas ex Hooker |
SCROPHULARIACEAE |
| Castilleja occidentalis Torrey |
SCROPHULARIACEAE |
| Castilleja rhexifolia Rydberg |
SCROPHULARIACEAE |
| Catabrosa aquatica (L.) P. Beauvois |
POACEAE |
| Ceanothus fendleri A. Gray |
RHAMNACEAE |
| Centaurium exaltatum (Grisebach) W. F. Wight ex Piper |
GENTIANACEAE |
| Cerastium beeringianum Chamisso & Schlechtendal ssp earlei (Rydberg) Hultén |
ALSINACEAE |
| Cerastium fontanum Baumgartner |
ALSINACEAE |
| Cerastium strictum L. {emend.} Haenke |
ALSINACEAE |
| Ceratocephala orthoceras De Candolle |
RANUNCULACEAE |
| Ceratochloa carinata (Hooker & Arnott) Tutin |
POACEAE |
| Cercocarpus intricatus S. Watson |
ROSACEAE |
| Cercocarpus montanus Rafinesque |
ROSACEAE |
| Chaenactis douglasii (Hooker) Hooker & Arnott |
ASTERACEAE |
| Chaenactis stevioides Hooker & Arnott |
ASTERACEAE |
| Chaetopappa ericoides (A. Gray) Nesom |
ASTERACEAE |
| Chamaechaenactis scaposa (Eastwood) Rydberg |
ASTERACEAE |
| Chamaesaracha coronopus (Dunal) A. Gray |
SOLANACEAE |
| Chamaesyce fendleri (Torrey & Gray) Small |
EUPHORBIACEAE |
| Chamaesyce parryi (Engelmann) Rydberg |
EUPHORBIACEAE |
| Chamaesyce serpyllifolia (Persoon) Small |
EUPHORBIACEAE |
| Chamerion danielsii D. Löve |
ONAGRACEAE |
| Chamerion subdentatum (Rydberg) Löve & Löve |
ONAGRACEAE |
| Cheilanthes féei T. Moore |
PTERIDACEAE |
| Chenopodium album L. |
CHENOPODIACEAE |
| Chenopodium atrovirens Rydberg |
CHENOPODIACEAE |
| Chenopodium berlandieri Moquin |
CHENOPODIACEAE |
| Chenopodium foliosum (Moench) Ascherson |
CHENOPODIACEAE |
| Chenopodium fremontii S. Watson |
CHENOPODIACEAE |
| Chenopodium glaucum L. |
CHENOPODIACEAE |
| Chenopodium leptophyllum (Nuttall ex Moquin) S. Watson |
CHENOPODIACEAE |
| Chenopodium missouriense Aellen |
CHENOPODIACEAE |
| Chenopodium simplex (Torrey) Rafinesque |
CHENOPODIACEAE |
| Chionophila jamesii Bentham in De Candolle |
SCROPHULARIACEAE |
| Chlorocrepis tristis (Willdenow ex Sprengel) Löve & Löve ssp gracilis (Hooker) W. A. Weber |
ASTERACEAE |
| Chondrophylla nutans (Bunge) W. A. Weber |
GENTIANACEAE |
| Chondrosum gracile Humboldt, Bonpland, & Kunth |
POACEAE |
| Chondrosum prostratum (Lagasca) Sweet |
POACEAE |
| Chorispora tenella (Pallas) De Candolle |
BRASSICACEAE |
| Chrysothamnus depressus Nuttall |
ASTERACEAE |
| Chrysothamnus greenei (A. Gray) Greene |
ASTERACEAE |
| Chrysothamnus greenei (A. Gray) Greene ssp filifolius (Rydberg) Hall & Clements |
ASTERACEAE |
| Chrysothamnus greenei (A. Gray) Greene subsp. greenei |
ASTERACEAE |
| Chrysothamnus linifolius Greene |
ASTERACEAE |
| Chrysothamnus nauseosus (Pallas ex Pursh) Britton |
ASTERACEAE |
| Chrysothamnus nauseosus (Pallas ex Pursh) Britton ssp graveolens (Nuttall) Piper |
ASTERACEAE |
| Chrysothamnus nauseosus (Pallas ex Pursh) Britton ssp leiospermus (A. Gray) Hall & Clements |
ASTERACEAE |
| Chrysothamnus nauseosus (Pallas ex Pursh) Britton ssp nauseosus |
ASTERACEAE |
| Chrysothamnus parryi (A. Gray) Greene |
ASTERACEAE |
| Chrysothamnus parryi (A. Gray) Greene ssp attenuatus (Jones) Hall & Clements |
ASTERACEAE |
| Chrysothamnus parryi (A. Gray) Greene ssp parryi |
ASTERACEAE |
| Chrysothamnus vaseyi (A. Gray) Greene |
ASTERACEAE |
| Chrysothamnus viscidiflorus (Hooker) Nuttall ssp axillaris (Keck) L. C. Anderson |
ASTERACEAE |
| Cichorium intybus L. |
ASTERACEAE |
| Ciliaria austromontana (Wiegand) W. A. Weber |
SAXIFRAGACEAE |
| Cirsium calcareum (Jones) Wooton & Standley |
ASTERACEAE |
| Cirsium neomexicanum A. Gray |
ASTERACEAE |
| Cirsium parryi (A. Gray) Petrak |
ASTERACEAE |
| Cirsium tracyi (Rydberg) Petrak |
ASTERACEAE |
| Cladothrix lanuginosa (Nuttall ex Moquin) Bentham & Hooker |
AMARANTHACEAE |
| Claytonia lanceolata Pursh |
PORTULACACEAE |
| Claytonia megarhiza (Parry ex A. Gray) S. Watson |
PORTULACACEAE |
| Claytonia rosea Rydberg |
PORTULACACEAE |
| Clematis ligusticifolia Nuttall ex Torrey & Gray |
RANUNCULACEAE |
| Clementsia rhodantha (A. Gray) Rose |
CRASSULACEAE |
| Cleome serrulata Pursh |
CAPPARACEAE |
| Cleomella palmerana Jones |
CAPPARACEAE |
| Coeloglossum viride (L.) C. J. Hartman ssp bracteatum (Mühlenberg ex Willdenow) Hultén |
ORCHIDACEAE |
| Collinsia parviflora Douglas in Lindley |
SCROPHULARIACEAE |
| Collomia grandiflora Douglas ex Lindley |
POLEMONIACEAE |
| Collomia linearis Nuttall |
POLEMONIACEAE |
| Comandra umbellata (L.) Nuttall ssp pallida (A. De Candolle) Piehl |
SANTALACEAE |
| Conioselinum scopulorum (A. Gray) Coulter & Rose |
APIACEAE |
| Conringia orientalis (L.) Dumont de Cours |
BRASSICACEAE |
| Convolvulus arvensis L. |
CONVOLVULACEAE |
| Conyza canadensis (L.) Cronquist |
ASTERACEAE |
| Corallorhiza striata Lindley |
ORCHIDACEAE |
| Cordylanthus wrightii A. Gray |
SCROPHULARIACEAE |
| Corydalis aurea Willdenow |
FUMARIACEAE |
| Corydalis curvisiliqua Engelmann |
FUMARIACEAE |
| Corydalis curvisiliqua Engelmann subsp. occidentalis (Engelmann ex A. Gray) W. A. Weber |
FUMARIACEAE |
| Coryphantha missouriensis (Sweet) Britton & Rose |
CACTACEAE |
| Coryphantha vivipara (Nuttall) Britton & Rose |
CACTACEAE |
| Coryphantha vivipara (Nuttall) Britton & Rose var radiosa (Engelmann) Backeberg |
CACTACEAE |
| Crataegus erythropoda Ashe |
ROSACEAE |
| Crataegus rivularis Nuttall |
ROSACEAE |
| Critesion glaucum (Steudel) Löve |
POACEAE |
| Critesion jubatum (L.) Nevski |
POACEAE |
| Cryptantha crassisepala (Torrey & Gray) Greene |
BORAGINACEAE |
| 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 |
| Cryptantha pterocarya (Torrey) Greene |
BORAGINACEAE |
| Cryptantha recurvata Coville |
BORAGINACEAE |
| Cryptogramma acrostichoides R. Brown in Richardson |
PTERIDACEAE |
| Cucurbita foetidissima Humboldt, Bonpland, & Kunth |
CUCURBITACEAE |
| Cyclachaena xanthifolia (Nuttall) Fresenius |
ASTERACEAE |
| Cylindropuntia whipplei (Engelmann & Bigelow) Knuth |
CACTACEAE |
| Cylindropyrum cylindricum (Host) Löve |
POACEAE |
| Cymopterus bulbosus A. Nelson |
APIACEAE |
| Cymopterus fendleri A. Gray |
APIACEAE |
| Cymopterus purpurascens (A. Gray) Jones |
APIACEAE |
| Cymopterus purpureus S. Watson |
APIACEAE |
| Cynoglossum officinale L. |
BORAGINACEAE |
| Cystopteris fragilis (L.) Bernhardi |
DRYOPTERIDACEAE |
| Cystopteris reevesiana Lellinger |
DRYOPTERIDACEAE |
| Cystopteris undetermined |
DRYOPTERIDACEAE |
| Dactylis glomerata L. |
POACEAE |
| Dalea candida Willdenow var oligophylla (Torrey) Shinners |
FABACEAE |
| Danthonia intermedia Vasey |
POACEAE |
| Danthonia parryi Scribner |
POACEAE |
| Dasyochloa pulchella (Humboldt, Bonpland, & Kunth) Willdenow ex Rydberg |
POACEAE |
| Datura wrightii Regel |
SOLANACEAE |
| Delphinium andersonii A. Gray var scaposum (Greene) Welsh |
HELLEBORACEAE |
| Delphinium barbeyi (Huth) Huth |
HELLEBORACEAE |
| Delphinium nuttallianum Pritzel ex Walpers |
HELLEBORACEAE |
| Delphinium ramosum Rydberg |
HELLEBORACEAE |
| Deschampsia cespitosa (L.) P. Beauvois |
POACEAE |
| Descurainia californica (A. Gray) O. E. Schulz |
BRASSICACEAE |
| Descurainia incana (Bernhardi ex Fischer & Meyer) Dorn |
BRASSICACEAE |
| Descurainia incisa (Engelmann ex A. Gray) Britton |
BRASSICACEAE |
| Descurainia incisa (Engelmann ex A. Gray) Britton subsp. filipes (A. Gray) Rollins |
BRASSICACEAE |
| Descurainia incisa (Engelmann ex A. Gray) Britton subsp. incisa |
BRASSICACEAE |
| Descurainia incisa (Engelmann ex A. Gray) Britton subsp. viscosa (Rydberg) Rollins |
BRASSICACEAE |
| Descurainia pinnata (Walter) Britton |
BRASSICACEAE |
| Descurainia pinnata (Walter) Britton subsp. halictorum (Cockerell) Detling |
BRASSICACEAE |
| Descurainia sophia (L.) Webb ex Prantl |
BRASSICACEAE |
| Dianthus armeria L. |
CARYOPHYLLACEAE |
| Dimorphocarpa wislizenii (Engelmann) Rollins |
BRASSICACEAE |
| Diplachne fascicularis (Lamarck) P. Beauvois |
POACEAE |
| Distegia involucrata (Banks ex Sprengel) Cockerell |
CAPRIFOLIACEAE |
| Distichlis stricta (Torrey) Rydberg |
POACEAE |
| Dodecatheon pulchellum (Rafinesque) Merrill |
PRIMULACEAE |
| Draba aurea M. Vahl ex Hornemann |
BRASSICACEAE |
| Draba cuneifolia Nuttall ex Torrey & Gray |
BRASSICACEAE |
| Draba reptans (Lamarck) Fernald |
BRASSICACEAE |
| Draba spectabilis Greene |
BRASSICACEAE |
| Dracocephalum parviflorum Nuttall |
LAMIACEAE |
| Drymocallis arguta (Pursh) Rydberg |
ROSACEAE |
| Dryopteris filix-mas (L.) Schott |
DRYOPTERIDACEAE |
| Dugaldia hoopesii (A. Gray) Rydberg |
ASTERACEAE |
| Dyssodia papposa (Ventenat) A. S. Hitchcock |
ASTERACEAE |
| Echinocereus fendleri (Engelmann) Rumpler |
CACTACEAE |
| Echinocereus triglochidiatus Engelmann |
CACTACEAE |
| Echinocereus triglochidiatus Engelmann var melanacanthus (Engelmann) L. Benson |
CACTACEAE |
| Echinochloa crus-galli (L.) P. Beauvois |
POACEAE |
| Echinocystis lobata (Michaux) Torrey & Gray |
CUCURBITACEAE |
| Elaeagnus angustifolia L. |
ELAEAGNACEAE |
| Eleocharis bolanderi A. Gray |
CYPERACEAE |
| Eleocharis elliptica Kunth var compressa (Sullivant) Drapalik & Mohlenbrock |
CYPERACEAE |
| Eleocharis palustris (L.) Roemer & Schultes |
CYPERACEAE |
| Ellisia nyctelea (L.) L. |
HYDROPHYLLACEAE |
| Elymus elymoides (Rafinesque) Swezey |
POACEAE |
| Elymus glaucus Buckley |
POACEAE |
| Elymus longifolius (J. G. Smith) Gould |
POACEAE |
| Elymus trachycaulus (Link) Gould |
POACEAE |
| Elymus trachycaulus (Link) Gould ex Shinners ssp bakeri (E. Nelson) Löve |
POACEAE |
| Elytrigia repens (L.) Nevski |
POACEAE |
| Ephedra cutleri Peebles |
EPHEDRACEAE |
| Ephedra torreyana S. Watson |
EPHEDRACEAE |
| Ephedra viridis Coville var. viridis |
EPHEDRACEAE |
| Epilobium brachycarpum K. Presl |
ONAGRACEAE |
| Epilobium ciliatum Rafinesque |
ONAGRACEAE |
| Epilobium halleanum Haussknecht |
ONAGRACEAE |
| Epilobium hornemannii Reichenbach |
ONAGRACEAE |
| Epilobium lactiflorum Haussknecht |
ONAGRACEAE |
| Epilobium saximontanum Haussknecht |
ONAGRACEAE |
| Epipactis gigantea Douglas ex Hooker |
ORCHIDACEAE |
| Equisetum arvense L. |
EQUISETACEAE |
| Eragrostis cilianensis (Allioni) F. T. Hubbard |
POACEAE |
| Eragrostis minor Host |
POACEAE |
| Eragrostis pectinacea (Michaux) Nees |
POACEAE |
| 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 |
| Eremopyrum triticeum (Gaertner) Nevski |
POACEAE |
| Eriastrum diffusum (A. Gray) Mason |
POLEMONIACEAE |
| Erigeron argentatus Gray |
ASTERACEAE |
| Erigeron bellidiastrum Nuttall |
ASTERACEAE |
| Erigeron colo-mexicanus A. Nelson |
ASTERACEAE |
| Erigeron concinnus (H. & A.) T. & G. |
ASTERACEAE |
| Erigeron concinnus (H. & A.) T. & G. var. aphanactis A. Gray |
ASTERACEAE |
| Erigeron concinnus (H. & A.) T. & G. var. condensatus D.C. Eaton in S. Wats |
ASTERACEAE |
| Erigeron coulteri T. C. Porter |
ASTERACEAE |
| Erigeron divergens Torrey & Gray |
ASTERACEAE |
| Erigeron eatonii A. Gray var eatonii |
ASTERACEAE |
| Erigeron elatior (A. Gray) Greene |
ASTERACEAE |
| Erigeron engelmannii A. Nelson |
ASTERACEAE |
| Erigeron eximius Greene |
ASTERACEAE |
| Erigeron flagellaris A. Gray |
ASTERACEAE |
| Erigeron leiomerus A. Gray |
ASTERACEAE |
| Erigeron melanocephalus A. Nelson |
ASTERACEAE |
| Erigeron peregrinus (Banks ex Pursh) Greene ssp callianthemus (Greene) Cronquist |
ASTERACEAE |
| Erigeron speciosus (Lindley) De Candolle |
ASTERACEAE |
| Erigeron speciosus (Lindley) De Candolle var macranthus (Nuttall) Cronquist |
ASTERACEAE |
| Erigeron utahensis A. Gray var tetrapleuris (A. Gray) Cronquist |
ASTERACEAE |
| Eriogonum cernuum Nuttall |
POLYGONACEAE |
| Eriogonum clavellatum Small |
POLYGONACEAE |
| Eriogonum divaricatum Hooker |
POLYGONACEAE |
| Eriogonum fendlerianum (Bentham in De Candolle) Small |
POLYGONACEAE |
| Eriogonum gordonii Bentham |
POLYGONACEAE |
| Eriogonum hookeri S. Watson |
POLYGONACEAE |
| Eriogonum inflatum Torrey & Frémont |
POLYGONACEAE |
| Eriogonum jamesii Bentham in A. De Candolle |
POLYGONACEAE |
| Eriogonum leptocladon Torrey & Gray var ramosissimum (Eastwood) Reveal |
POLYGONACEAE |
| Eriogonum leptophyllum (Torrey) Wooton & Standley |
POLYGONACEAE |
| Eriogonum lonchophyllum Torrey & Gray |
POLYGONACEAE |
| Eriogonum microthecum Nuttall |
POLYGONACEAE |
| Eriogonum microthecum Nuttall var simpsonii (Bentham in A. De Candolle) Reveal |
POLYGONACEAE |
| Eriogonum ovalifolium Nuttall |
POLYGONACEAE |
| Eriogonum palmerianum Reveal in Munz |
POLYGONACEAE |
| Eriogonum racemosum Nuttall |
POLYGONACEAE |
| Eriogonum scabrellum Reveal |
POLYGONACEAE |
| Eriogonum shockleyi S. Watson var longilobum (S. Stokes) Reveal |
POLYGONACEAE |
| Eriogonum umbellatum Torrey var aureum (Gandoger) Reveal |
POLYGONACEAE |
| Eriogonum umbellatum Torrey var. umbellatum |
POLYGONACEAE |
| Eriogonum wetherillii Eastwood |
POLYGONACEAE |
| Erioneuron pilosum (Buckley) Nash |
POACEAE |
| Eriophorum altaicum Meinshausen var neogaeum Raymond |
CYPERACEAE |
| Erodium cicutarium (L.) L'Heritier |
GENTIANACEAE |
| Erysimum capitatum (Douglas) Greene |
BRASSICACEAE |
| Erysimum inconspicuum (S. Watson) MacMillan |
BRASSICACEAE |
| Erysimum repandum L. |
BRASSICACEAE |
| Erythrocoma triflora (Pursh) Greene |
ROSACEAE |
| Erythronium grandiflorum Pursh |
LILIACEAE |
| Eucephalus glaucus Nuttall |
ASTERACEAE |
| Euthamia occidentalis Nuttall |
ASTERACEAE |
| Fendlera falcata Thornber in Woot. & Standl. |
HYDRANGEACEAE |
| Fendlera wrightii (Engelmann & A. Gray) Heller |
HYDRANGEACEAE |
| Festuca arizonica Vasey |
POACEAE |
| Festuca arundinacea Schreber |
POACEAE |
| Festuca brachyphylla Schultes ssp coloradensis Fredriksen |
POACEAE |
| Festuca minutiflora Rydberg |
POACEAE |
| Festuca pratensis Hudson |
POACEAE |
| Festuca rubra L. |
POACEAE |
| Forestiera pubescens Nuttall |
OLEACEAE |
| Forsellesia meionandra (Koehne) Heller |
CROSSOSOMATACEAE |
| Fragaria virginiana P. Miller ssp glauca (S. Watson) Staudt |
ROSACEAE |
| Frankenia jamesii Torrey ex A. Gray |
FRANKENIACEAE |
| Frasera albomarginata S. Watson |
GENTIANACEAE |
| Frasera speciosa Douglas ex Grisebach |
GENTIANACEAE |
| Fraxinus anomala Torrey ex S. Watson |
OLEACEAE |
| Fritillaria atropurpurea Nuttall |
LILIACEAE |
| Gaillardia pinnatifida Torrey |
ASTERACEAE |
| Galium coloradoënse W. F. Wight |
RUBIACEAE |
| Galium septentrionale Roemer & Schultes |
RUBIACEAE |
| Galium spurium L. |
RUBIACEAE |
| Galium trifidum L. ssp subbiflorum (Wiegand) Puff |
RUBIACEAE |
| Gastrolychnis drummondii (Hooker) Löve & Löve |
CARYOPHYLLACEAE |
| Gaura coccinea Nuttall ex Pursh |
ONAGRACEAE |
| Gaura mollis James |
ONAGRACEAE |
| Gayophytum diffusum Torrey & Gray ssp parviflorum Lewis & Szweykowski |
ONAGRACEAE |
| Gayophytum ramosissimum Torrey & Gray |
ONAGRACEAE |
| Gentianella heterosepala (Engelmann) Holub |
GENTIANACEAE |
| Gentianella strictiflora (Rydberg) W. A. Weber |
GENTIANACEAE |
| Gentianopsis thermalis (Kuntze) Iltis |
GENTIANACEAE |
| Geranium caespitosum James ex Torrey |
GERANIACEAE |
| Geranium richardsonii Fischer & Trautvetter |
GERANIACEAE |
| Geum aleppicum Jacquin ssp strictum (Aiton) Clausen |
ROSACEAE |
| Geum macrophyllum Willdenow |
ROSACEAE |
| Gilia ophthalmoides Brand |
POLEMONIACEAE |
| Glyceria striata (Lamarck) A. S. Hitchcock var stricta (Scribner) Fernald |
POACEAE |
| Glycyrrhiza lepidota Pursh |
FABACEAE |
| Gnaphalium uliginosum L. |
ASTERACEAE |
| Goodyera oblongifolia Rafinesque |
ORCHIDACEAE |
| Grammica campestris (Yuncker) Hadaç & Chrtek |
CUSCUTACEAE |
| Grammica denticulata (Engelmann in Parry) W. A. Weber |
CUSCUTACEAE |
| Grammica indecora (Choisy) W. A. Weber var neuropetala (Engelmann) W. A. Weber |
CUSCUTACEAE |
| Grammica occidentalis (Millspaugh) Hadaç & Chrtek |
CUSCUTACEAE |
| Grindelia aphanactis Rydberg |
ASTERACEAE |
| Grindelia arizonica A. Gray var stenophylla Steyermark |
ASTERACEAE |
| Grindelia squarrosa (Pursh) Dunal |
ASTERACEAE |
| Grindelia squarrosa (Pursh) Dunal var serrulata (Rydberg) Steyermark |
ASTERACEAE |
| Gutierrezia microcephala (De Candolle) A. Gray |
ASTERACEAE |
| Gutierrezia sarothrae (Pursh) Britton & Rusby |
ASTERACEAE |
| Hackelia gracilenta (Eastwood) I. M. Johnston |
BORAGINACEAE |
| Halerpestes cymbalaria (Pursh) Greene ssp saximontana (Fernald) Moldenke |
RANUNCULACEAE |
| Halogeton glomeratus (Bieberstein) C. A. Meyer |
CHENOPODIACEAE |
| Hedeoma drummondii Bentham |
LAMIACEAE |
| Hedysarum boreale Nuttall |
FABACEAE |
| Helianthella quinquenervis (Hooker) A. Gray |
ASTERACEAE |
| Helianthus annuus L. |
ASTERACEAE |
| Helianthus ciliaris De Candolle |
ASTERACEAE |
| Helianthus nuttallii Torrey & Gray |
ASTERACEAE |
| Helianthus petiolaris Nuttall |
ASTERACEAE |
| Helianthus rigidus (Cassini) Desfontaines ssp subrhomboideus (Rydberg) Heiser |
ASTERACEAE |
| Heliomeris multiflora Nuttall |
ASTERACEAE |
| Heliomeris multiflora Nuttall var multiflora |
ASTERACEAE |
| Heliomeris multiflora Nuttall var nevadensis (A. Nelson) W.F. Yates |
ASTERACEAE |
| Hesperostipa comata (Trinius & Ruprecht) Barkworth |
POACEAE |
| Hesperostipa neomexicana (Thurber) Barkworth |
POACEAE |
| Heterotheca villosa (Pursh) Shinners |
ASTERACEAE |
| Heterotheca villosa (Pursh) Shinners var. villosa |
ASTERACEAE |
| Heuchera parvifolia Nuttall ex Torrey & Gray |
SAXIFRAGACEAE |
| Hibiscus trionum L. |
MALVACEAE |
| Hilaria jamesii (Torrey) Bentham |
POACEAE |
| Hippochaete hyemalis (L.) Bruhin |
EQUISETACEAE |
| Hippochaete laevigata (A. Braun) Farwell |
EQUISETACEAE |
| Hirculus platysepalus (Trautvetter) W. A. Weber ssp crandallii (Gandoger) W. A. Weber |
SAXIFRAGACEAE |
| Holodiscus dumosus (Nuttall ex Hooker) Heller |
ROSACEAE |
| Humulus lupulus L. ssp americanus (Nuttall) Löve & Löve |
CANNABACEAE |
| Hydrophyllum fendleri (A. Gray) Heller |
HYDROPHYLLACEAE |
| Hymenopappus filifolius Hooker var cinereus (Rydberg) I. M. Johnston |
ASTERACEAE |
| Hymenopappus filifolius Hooker var megacephalus B. Turner |
ASTERACEAE |
| Hymenopappus filifolius Hooker var parvulus (Greene) B. Turner |
ASTERACEAE |
| Hymenopappus filifolius Hooker var pauciflorus (I. M. Johnston) B. Turner |
ASTERACEAE |
| Hymenopappus newberryi (A. Gray) I. M. Johnston |
ASTERACEAE |
| Iliamna grandiflora (Rydberg) Wiggins |
MALVACEAE |
| 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 gunnisonii (Torrey & Gray) V. Grant |
POLEMONIACEAE |
| Ipomopsis longiflora (Torrey) V. Grant |
POLEMONIACEAE |
| Ipomopsis polycladon Torrey |
POLEMONIACEAE |
| Ipomopsis pumila (Nuttall) V. Grant |
POLEMONIACEAE |
| Iris missouriensis Nuttall |
IRIDACEAE |
| Isocoma drummondii (Torrey & Gray) Greene |
ASTERACEAE |
| Iva axillaris Pursh |
ASTERACEAE |
| Juncus arcticus Willdenow ssp ater (Rydberg) Hultén |
JUNCACEAE |
| Juncus articulatus L. |
JUNCACEAE |
| Juncus bufonius L. |
JUNCACEAE |
| Juncus compressus Jacquin |
JUNCACEAE |
| Juncus confusus Coville |
JUNCACEAE |
| Juncus drummondii E. Meyer |
JUNCACEAE |
| Juncus longistylis Torrey |
JUNCACEAE |
| Juncus mertensianus Bongard |
JUNCACEAE |
| Juncus saximontanus A. Nelson |
JUNCACEAE |
| Juncus torreyi Coville |
JUNCACEAE |
| Juniperus communis L. ssp alpina (J. E. Smith) Celakovsky |
CUPRESSACEAE |
| Kochia americana S. Watson |
CHENOPODIACEAE |
| Koeleria macrantha (Ledebour) Schultes |
POACEAE |
| Krascheninnikovia lanata (Pursh) Meeuse & Smit |
CHENOPODIACEAE |
| Lactuca serriola L. |
ASTERACEAE |
| Lactuca tatarica (L.) C. A. Meyer ssp pulchella (Pursh) Stebbins |
ASTERACEAE |
| Lappula marginata (Bieberstein) Guerke |
BORAGINACEAE |
| Lappula redowskii (Hornemann) Greene |
BORAGINACEAE |
| Lappula squarrosa (Retzius) Dumont de Cours |
BORAGINACEAE |
| Lathyrus brachycalyx Rydberg var zionis (C. L. Hitchcock) Welsh |
FABACEAE |
| Lathyrus eucosmus Butters & St. John |
FABACEAE |
| Lathyrus leucanthus Rydberg |
FABACEAE |
| Lathyrus pauciflorus Fernald |
FABACEAE |
| Lepidium crenatum (Greene) Rydb. |
BRASSICACEAE |
| Lepidium densiflorum Schrader |
BRASSICACEAE |
| Lepidium lasiocarpum Nuttall |
BRASSICACEAE |
| Lepidium montanum Nuttall |
BRASSICACEAE |
| Lepidium montanum Nuttall ssp montanum |
BRASSICACEAE |
| Lepidium montanum Nuttall var jonesii (Rydberg) C. L. Hitchcock |
BRASSICACEAE |
| Lepidium perfoliatum L. |
BRASSICACEAE |
| Lepidium virginicum L. var. virginicum |
BRASSICACEAE |
| Leptodactylon pungens (Torrey) Rydberg |
POLEMONIACEAE |
| Lesquerella fendleri (A. Gray) S. Watson |
BRASSICACEAE |
| Lesquerella montana (A. Gray) S. Watson |
BRASSICACEAE |
| Lesquerella rectipes Wooton & Standley |
BRASSICACEAE |
| Leucanthemum vulgare Lamarck |
ASTERACEAE |
| Leymus cinereus (Scribner & Merrill) Löve |
POACEAE |
| Leymus salina (Jones) Löve |
POACEAE |
| Leymus triticoides (Buckley) Pilger |
POACEAE |
| Lidia obtusiloba (Rydberg) Löve & Löve |
ALSINACEAE |
| Ligularia amplectens (A. Gray) W. A. Weber |
ASTERACEAE |
| Ligularia bigelovii (A. Gray) W. A. Weber var hallii (A. Gray) W. A. Weber |
ASTERACEAE |
| Ligularia holmii (Greene) W. A. Weber |
ASTERACEAE |
| Ligularia soldanella (A. Gray) W. A. Weber |
ASTERACEAE |
| Ligusticum porteri Coulter & Rose |
APIACEAE |
| Limosella aquatica L. |
SCROPHULARIACEAE |
| Linaria genistifolia (L.) P. Miller ssp dalmatica (L.) Maire et al. |
SCROPHULARIACEAE |
| Lithophragma glabrum Nuttall |
SAXIFRAGACEAE |
| Lithophragma parviflorum (Hooker) Nuttall ex Torrey & Gray |
SAXIFRAGACEAE |
| Lithophragma tenellum Nuttall |
SAXIFRAGACEAE |
| Lithospermum incisum Lehmann |
BORAGINACEAE |
| Lithospermum multiflorum Torrey ex A. Gray |
BORAGINACEAE |
| Lithospermum ruderale Douglas ex Lehmann |
BORAGINACEAE |
| Lloydia serotina (L.) Salisbury ex Reichenbach |
LILIACEAE |
| Lolium perenne L. ssp italicum (A. Braun) Syme |
POACEAE |
| Lomatium dissectum (Nuttall) Mathias & Constance var multifidum (Nuttall) Mathias & Constance |
APIACEAE |
| Lomatium grayi Coulter & Rose |
APIACEAE |
| Lomatium triternatum (Pursh) Coulter & Rose ssp platycarpum (Torrey) Cronquist |
APIACEAE |
| Lotus tenuis Waldstein & Kitaibel |
FABACEAE |
| Lotus wrightii (A. Gray) Greene |
FABACEAE |
| Lupinus ammophilus Greene |
FABACEAE |
| Lupinus argenteus Pursh |
FABACEAE |
| Lupinus bakeri Greene ssp amplus (Greene) Fleak & Dunn |
FABACEAE |
| Lupinus brevicaulis S. Watson |
FABACEAE |
| Lupinus caudatus Kellogg |
FABACEAE |
| Lupinus kingii S. Watson |
FABACEAE |
| Lupinus prunophilus Jones |
FABACEAE |
| Lupinus pusillus Pursh |
FABACEAE |
| Lupinus pusillus Pursh ssp pusillus |
FABACEAE |
| Lupinus x alpestris A. Nelson |
FABACEAE |
| Luzula parviflora (Ehrhart) Desvaux |
JUNCACEAE |
| Luzula spicata (L.) De Candolle |
JUNCACEAE |
| Lycium barbarum L. |
SOLANACEAE |
| Lycium pallidum Miers |
SOLANACEAE |
| Lygodesmia arizonica Tomb |
ASTERACEAE |
| Lygodesmia grandiflora (Nuttall) Torrey & Gray |
ASTERACEAE |
| Machaeranthera canescens (Pursh) A. Gray |
ASTERACEAE |
| Machaeranthera canescens (Pursh) A. Gray var aristata (Eastwood) B. Turner |
ASTERACEAE |
| Machaeranthera gracilis (Nuttall) Shinners |
ASTERACEAE |
| Machaeranthera grindelioides (Nuttall) Shinners |
ASTERACEAE |
| Machaeranthera pinnatifida (Hooker) Shinners |
ASTERACEAE |
| Machaeranthera tanacetifolia (Humboldt, Bonpland, & Kunth) Nees |
ASTERACEAE |
| Madia glomerata Hooker |
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 |
| Malcolmia africana (L.) R. Brown |
BRASSICACEAE |
| Malva neglecta Wallroth |
MALVACEAE |
| Marrubium vulgare L. |
LAMIACEAE |
| Marsilea vestita Hooker & Greville |
MARSILEACEAE |
| Medicago lupulina L. |
FABACEAE |
| Medicago sativa L. |
FABACEAE |
| Melilotus albus Medicus |
FABACEAE |
| Melilotus officinale (L.) Pallas |
FABACEAE |
| Mentha arvensis L. |
LAMIACEAE |
| Menyanthes trifoliata L. |
MENYANTHACEAE |
| Mertensia brevistyla S. Watson |
BORAGINACEAE |
| Mertensia ciliata (James ex Torrey) G. Don |
BORAGINACEAE |
| Mertensia franciscana Heller |
BORAGINACEAE |
| Mertensia lanceolata (Pursh) A. De Candolle |
BORAGINACEAE |
| Mesynium aristatum (Engelmann in Wislizenus) W. A. Weber |
LINACEAE |
| Mesynium puberulum (Engelmann in A. Gray) W. A. Weber |
LINACEAE |
| Micranthes odontoloma (Piper) Heller |
SAXIFRAGACEAE |
| Micranthes rhomboidea (Greene) Small |
SAXIFRAGACEAE |
| Microseris nutans (Geyer ex Hooker) Schultz-Bipontinus |
ASTERACEAE |
| Microsteris gracilis (Douglas ex Hooker) Greene ssp humilis (Greene) V. Grant |
POLEMONIACEAE |
| Mimulus guttatus De Candolle |
SCROPHULARIACEAE |
| Mimulus rubellus A. Gray |
SCROPHULARIACEAE |
| Mirabilis glandulosa (Standley) W. A. Weber |
NYCTAGINACEAE |
| Mirabilis multiflora (Torrey) A. Gray |
NYCTAGINACEAE |
| Mirabilis oxybaphoides (A. Gray) A. Gray |
NYCTAGINACEAE |
| Mitella pentandra Hooker |
SAXIFRAGACEAE |
| Mitella stauropetala Piper var stenopetala (Piper) Rosendahl |
SAXIFRAGACEAE |
| Moehringia lateriflora (L.) Fenzl |
ALSINACEAE |
| Monarda fistulosa L. var menthifolia (R. Graham) Fernald |
LAMIACEAE |
| Moneses uniflora (L.) A. Gray |
PYROLACEAE |
| Monolepis nuttalliana (Schultes) Greene |
CHENOPODIACEAE |
| Monroa squarrosa (Nuttall) Torrey |
POACEAE |
| Muhlenbergia asperifolia (Nees & Meyen ex Trinius) Parodi |
POACEAE |
| Muhlenbergia depauperata Scribner |
POACEAE |
| Muhlenbergia minutissima (Steudel) Swallen |
POACEAE |
| Muhlenbergia montana (Nuttall) A. S. Hitchcock |
POACEAE |
| Muhlenbergia wrightii Vasey ex Coulter |
POACEAE |
| Myosurus apetalus Gay |
RANUNCULACEAE |
| Myosurus minimus L. ssp minimus |
RANUNCULACEAE |
| Nama retrorsum J.T. Howell |
HYDROPHYLLACEAE |
| Navarretia breweri (A. Gray) Greene |
POLEMONIACEAE |
| Negundo aceroides (L.) Moench |
ACERACEAE |
| Negundo aceroides (L.) Moench ssp interius (Britton & Shafer) Löve & Löve |
ACERACEAE |
| Neolepia campestris (L.) W. A. Weber |
BRASSICACEAE |
| Nepeta cataria L. |
LAMIACEAE |
| Nicotiana attenuata Torrey ex S. Watson |
SOLANACEAE |
| Noccaea montana (L.) F. K. Meyer |
BRASSICACEAE |
| Nuttallia cronquistii (Thompson & Prigge) W. A. Weber |
LOASACEAE |
| Nuttallia humilis (Gray) Rydberg |
LOASACEAE |
| Nuttallia laciniata (Rydberg) Wooton & Standley |
LOASACEAE |
| Nuttallia multiflora (Nuttall) Greene |
LOASACEAE |
| Nuttallia rusbyi (Wooton) Rydberg |
LOASACEAE |
| Nuttallia sanjuanensis Thompson & Zavortink |
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 caespitosa Nuttall ex Fraser ssp navajoensis W. L. Wagner et al. |
ONAGRACEAE |
| Oenothera coronopifolia Torrey & Gray |
ONAGRACEAE |
| Oenothera elata Humboldt, Bonpland, & Kunth ssp hirsutissima (A. Gray ex S. Watson) Dietrich & Wagner |
ONAGRACEAE |
| Oenothera flava (A. Nelson) Garrett |
ONAGRACEAE |
| Oenothera longissima Rydberg |
ONAGRACEAE |
| Oenothera pallida Lindley |
ONAGRACEAE |
| Oenothera pallida Lindley ssp runcinata (Engelmann) Munz & Klein |
ONAGRACEAE |
| Oenothera pallida Lindley ssp trichocalyx (Nuttall ex Torrey & Gray) Munz & Klein |
ONAGRACEAE |
| Oenothera villosa Thunberg ssp strigosa (Rydberg) Dietrich & Raven |
ONAGRACEAE |
| Oligosporus dracunculus (L.) Poljakov ssp dracunculinus (S. Watson) W. A. Weber |
ASTERACEAE |
| Oligosporus dracunculus (L.) Poljakov ssp glaucus (Pallas) Löve & Löve |
ASTERACEAE |
| Oligosporus filifolius (Torrey) Poljakov |
ASTERACEAE |
| Onobrychis viciifolia Scopoli |
FABACEAE |
| Opuntia fragilis (Nuttall) Haworth var brachyarthra (Engelmann & Bigelow) Coulter |
CACTACEAE |
| Opuntia phaeacantha Engelmann |
CACTACEAE |
| Opuntia polyacantha Haworth |
CACTACEAE |
| Opuntia polyacantha Haworth var. polyacantha |
CACTACEAE |
| Oreobroma nevadensis (A. Gray) T. J. Howell |
PORTULACACEAE |
| Oreobroma pygmaea (A. Gray) T. J. Howell |
PORTULACACEAE |
| Oreocarya bakeri Greene |
BORAGINACEAE |
| Oreocarya flava A. Nelson |
BORAGINACEAE |
| Oreocarya flavoculata A. Nelson |
BORAGINACEAE |
| Oreocarya humilis Greene ssp nana (Eastwood) W. A. Weber |
BORAGINACEAE |
| Oreocarya longiflora A. Nelson |
BORAGINACEAE |
| Oreocarya nitida Greene |
BORAGINACEAE |
| Oreocarya paradoxa A. Nelson |
BORAGINACEAE |
| Orobanche multiflora Nuttall |
OROBANCHACEAE |
| Orogenia linearifolia S. Watson |
APIACEAE |
| Orthilia secunda (L.) House |
PYROLACEAE |
| Orthocarpus luteus Nuttall |
SCROPHULARIACEAE |
| Orthocarpus purpureoalbus A. Gray |
SCROPHULARIACEAE |
| Osmorhiza depauperata Philippi |
APIACEAE |
| Osmorhiza occidentalis (Nuttall) Torrey |
APIACEAE |
| Oxybaphus linearis (Pursh) B. L. Robinson |
NYCTAGINACEAE |
| Oxypolis fendleri (A. Gray) Heller |
APIACEAE |
| Oxyria digyna (L.) J. Hill |
POLYGONACEAE |
| Oxytenia acerosa Nuttall |
ASTERACEAE |
| Packera multilobata (Torrey & Gray ex A. Gray) Weber & Löve |
ASTERACEAE |
| Packera neomexicana (A. Gray) Weber & Löve |
ASTERACEAE |
| Packera werneriifolia (A. Gray) Weber & Löve |
ASTERACEAE |
| Padus virginiana (L.) P. Miller ssp melanocarpa (A. Nelson) W. A. Weber |
ROSACEAE |
| Panicum capillare L. |
POACEAE |
| Parnassia fimbriata Konig |
PARNASSIACEAE |
| Parryella filifolia Torrey & Gray |
FABACEAE |
| Parthenocissus vitacea (Knerr) A. S. Hitchcock |
VITACEAE |
| Pascopyrum smithii (Rydberg) Löve |
POACEAE |
| Paxistima myrsinites (Pursh) Rafinesque |
CELASTRACEAE |
| Pedicularis bracteosa Bentham in Hooker ssp paysoniana (Pennell) W. A. Weber |
SCROPHULARIACEAE |
| Pedicularis centranthera A. Gray |
SCROPHULARIACEAE |
| Pedicularis groenlandica Retzius |
SCROPHULARIACEAE |
| Pedicularis procera A. Gray |
SCROPHULARIACEAE |
| Pedicularis racemosa Douglas ex Hooker ssp alba Pennell |
SCROPHULARIACEAE |
| Pediomelum megalanthum (Wooton & Standley) Rydberg |
FABACEAE |
| Pellaea glabella Mettenius ex Kuhn subsp. simplex Löve & Löve |
PTERIDACEAE |
| Penstemon angustifolius Nuttall ex Pursh |
SCROPHULARIACEAE |
| Penstemon angustifolius Nuttall ex Pursh ssp caudatus (Heller) Keck |
SCROPHULARIACEAE |
| Penstemon barbatus (Cavanilles) Roth |
SCROPHULARIACEAE |
| 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 eatonii A. Gray |
SCROPHULARIACEAE |
| Penstemon eatonii A. Gray ssp undosus (Jones) Keck |
SCROPHULARIACEAE |
| Penstemon lentus Pennell |
SCROPHULARIACEAE |
| Penstemon linarioides A. Gray |
SCROPHULARIACEAE |
| Penstemon ophianthus Pennell |
SCROPHULARIACEAE |
| Penstemon palmeri A. Gray |
SCROPHULARIACEAE |
| Penstemon retrorsus Payson ex Pennell |
SCROPHULARIACEAE |
| Penstemon rostriflorus Kellogg |
SCROPHULARIACEAE |
| Penstemon rydbergii A. Nelson |
SCROPHULARIACEAE |
| Penstemon strictus Bentham in De Candolle |
SCROPHULARIACEAE |
| Penstemon utahensis Eastwood |
SCROPHULARIACEAE |
| Penstemon whippleanus A. Gray |
SCROPHULARIACEAE |
| Pentaphylloides floribunda (Pursh) Löve |
ROSACEAE |
| Peraphyllum ramosissimum Nuttall ex Torrey & Gray |
ROSACEAE |
| Persicaria coccinea (Mühlenberg ex Willdenow) Greene |
POLYGONACEAE |
| Persicaria lapathifolia (L.) S. Gray |
POLYGONACEAE |
| Persicaria maculata (L.) S. Gray |
POLYGONACEAE |
| Persicaria pensylvanica (L.) Gomez |
POLYGONACEAE |
| Petradoria pumila (Nuttall) Greene |
ASTERACEAE |
| Phacelia crenulata Torrey |
HYDROPHYLLACEAE |
| Phacelia demissa A. Gray |
HYDROPHYLLACEAE |
| Phacelia hastata Douglas ex Lehmann |
HYDROPHYLLACEAE |
| Phacelia heterophylla Pursh |
HYDROPHYLLACEAE |
| Phacelia integrifolia Torrey |
HYDROPHYLLACEAE |
| Phacelia ivesiana Torrey |
HYDROPHYLLACEAE |
| Phacelia sericea (R. Graham) A. Gray ssp ciliosa (Rydberg) G. W. Gillett |
HYDROPHYLLACEAE |
| Phacelia splendens Eastwood |
HYDROPHYLLACEAE |
| Phalaroides arundinacea (L.) Rauschert |
POACEAE |
| Philadelphus microphyllus A. Gray |
HYDRANGEACEAE |
| Phleum commutatum Gaudin |
POACEAE |
| Phleum pratense L. |
POACEAE |
| Phlox austromontana Coville |
POLEMONIACEAE |
| Phlox hoodii Richardson |
POLEMONIACEAE |
| Phlox longifolia Nuttall |
POLEMONIACEAE |
| Phoradendron juniperinum Engelmann |
VISCACEAE |
| Phragmites australis (Cavanilles) Trinius ex Steudel |
POACEAE |
| Physalis hederifolia A. Gray |
SOLANACEAE |
| Physalis hederifolia A. Gray var cordifolia (A. Gray) Waterfall |
SOLANACEAE |
| Physalis hederifolia A. Gray var. comata (Rydberg) Waterfall |
SOLANACEAE |
| Physalis virginiana P. Miller |
SOLANACEAE |
| Physaria acutifolia Rydberg |
BRASSICACEAE |
| Picradenia richardsonii Hooker var. floribunda (Gray) Weber |
ASTERACEAE |
| Picrothamnus desertorum Nuttall |
ASTERACEAE |
| Pinus edulis Engelmann |
PINACEAE |
| Pinus flexilis James |
PINACEAE |
| Pinus ponderosa Douglas ex P. & C. Lawson ssp scopulorum (S. Watson) W. A. Weber |
PINACEAE |
| Pinus strobiformis Engelmann |
PINACEAE |
| Piptatherum micranthum (Trinius & Ruprecht) Barkworth |
POACEAE |
| Plagiobothrys scouleri (Hooker & Arnott) I. M. Johnston ssp penicillata (Greene) Löve |
BORAGINACEAE |
| Plantago elongata Pursh |
PLANTAGINACEAE |
| Plantago lanceolata L. |
PLANTAGINACEAE |
| Plantago major L. |
PLANTAGINACEAE |
| Plantago patagonica Jacquin |
PLANTAGINACEAE |
| Platanthera aquilonis Sheviak |
ORCHIDACEAE |
| Platyschkuhria integrifolia (A. Gray) Rydberg var oblongifolia (A. Gray) Ellison |
ASTERACEAE |
| Pneumonanthe parryi (Engelmann) Greene |
GENTIANACEAE |
| Poa agassizensis Boivin & D. Löve |
POACEAE |
| Poa alpina L. |
POACEAE |
| Poa annua L. |
POACEAE |
| Poa bulbosa L. |
POACEAE |
| Poa compressa L. |
POACEAE |
| Poa cusickii Vasey ssp epilis (Scribner) W. A. Weber |
POACEAE |
| Poa fendleriana (Steudel) Vasey |
POACEAE |
| Poa glauca M. Vahl ssp rupicola (Nash) W. A. Weber |
POACEAE |
| Poa juncifolia Scribner |
POACEAE |
| Poa nervosa (Hooker) Vasey |
POACEAE |
| Poa pratensis L. |
POACEAE |
| Poa reflexa Vasey & Scribner |
POACEAE |
| Poa secunda J. Presl in K. Presl |
POACEAE |
| Podistera eastwoodiae (Coulter & Rose) Mathias & Constance |
APIACEAE |
| Podospermum laciniatum (L.) De Candolle |
ASTERACEAE |
| Polemonium foliosissimum (A. Gray) A. Gray |
POLEMONIACEAE |
| Polemonium pulcherrimum Hooker ssp delicatum (Rydberg) Brand |
POLEMONIACEAE |
| Polemonium viscosum Nuttall |
POLEMONIACEAE |
| Poliomintha incana (Torrey) A. Gray |
LAMIACEAE |
| Polygala subspinosa S. Watson |
POLYGALACEAE |
| Polygonum arenastrum Boreau |
POLYGONACEAE |
| Polygonum argyrocoleon Steudel ex Kuntze |
POLYGONACEAE |
| Polygonum douglasii Greene |
POLYGONACEAE |
| Polygonum polygaloides Meissner ssp kelloggii (Greene) Hickman |
POLYGONACEAE |
| Polypogon monspeliensis (L.) Desfontaines |
POACEAE |
| Populus acuminata Rydberg |
SALICACEAE |
| Populus angustifolia James |
SALICACEAE |
| Populus deltoides H. Marshall ssp wislizenii (S. Watson) Eckenwalder |
SALICACEAE |
| Populus tremuloides Michaux |
SALICACEAE |
| Portulaca oleracea L. |
PORTULACACEAE |
| Potentilla concinna Richardson var. concinna |
ROSACEAE |
| Potentilla hippiana Lehmann |
ROSACEAE |
| Potentilla pulcherrima Lehmann |
ROSACEAE |
| Prenanthella exigua (A. Gray) Rydberg |
ASTERACEAE |
| Primula parryi A. Gray |
PRIMULACEAE |
| Proatriplex pleiantha (W. A. Weber) Stutz & Chu |
CHENOPODIACEAE |
| Proboscidea louisianica (P. Miller) Thellung |
MARTYNIACEAE |
| Prunella vulgaris L. |
LAMIACEAE |
| Psathyrostachys juncea (Fischer) Nevski |
POACEAE |
| Pseudocymopterus montanus (A. Gray) Coulter & Rose |
APIACEAE |
| Pseudoroegneria spicata (Pursh) Löve ssp inermis (Scribner & Smith) Löve |
POACEAE |
| Pseudostellaria jamesiana (Torrey) Weber & Hartman |
ALSINACEAE |
| Pseudotsuga menziesii (Mirbel) Franco |
PINACEAE |
| Psilochenia acuminata (Nuttall) W. A. Weber |
ASTERACEAE |
| Psilochenia intermedia (A. Gray) W. A. Weber |
ASTERACEAE |
| Psilochenia modocensis (Greene) W. A. Weber |
ASTERACEAE |
| Psilochenia occidentalis (Nutt.) Weber |
ASTERACEAE |
| Psilochenia runcinata (James ex Torrey) Löve & Löve |
ASTERACEAE |
| Psychrophila leptosepala (De Candolle) W. A. Weber |
HELLEBORACEAE |
| Pteridium aquilinum (L.) Kuhn |
DENNSTAEDTIACEAE |
| Pterogonum alatum (Torrey) Gross |
POLYGONACEAE |
| Pterospora andromedea Nuttall |
MONOTROPACEAE |
| Puccinellia airoides Watson & Coulter |
POACEAE |
| Purshia stansburiana (Torrey) Henrickson |
ROSACEAE |
| Purshia tridentata (Pursh) De Candolle |
ROSACEAE |
| Pyrola chlorantha Swartz |
PYROLACEAE |
| Pyrrocoma crocea (A. Gray) Greene |
ASTERACEAE |
| Quercus ajoensis C. J. Muller |
FAGACEAE |
| Quercus gambelii Nuttall |
FAGACEAE |
| Quercus havardii Rydberg var tuckeri Welsh |
FAGACEAE |
| Quercus turbinella Greene |
FAGACEAE |
| Quercus undulata Torrey |
FAGACEAE |
| Ranunculus alismifolius Geyer ex Bentham var montanus S. Watson |
RANUNCULACEAE |
| Ranunculus eschscholtzii Schlechtendal |
RANUNCULACEAE |
| Ranunculus glaberrimus Hooker var ellipticus Greene |
RANUNCULACEAE |
| Ranunculus inamoenus Greene |
RANUNCULACEAE |
| Ranunculus macounii Britton |
RANUNCULACEAE |
| Ranunculus repens L. |
RANUNCULACEAE |
| Ranunculus uncinatus D. Don |
RANUNCULACEAE |
| Ranunculus uncinatus D. Don var earlei (Greene) L. Benson |
RANUNCULACEAE |
| Ratibida columnifera (Nuttall) Wooton & Standley |
ASTERACEAE |
| Rhodiola integrifolia Rafinesque |
CRASSULACEAE |
| Rhus aromatica Aiton ssp trilobata (Nuttall ex Torrey & Gray) W. A. Weber |
ANACARDIACEAE |
| Rhus glabra L. |
ANACARDIACEAE |
| Ribes aureum Pursh |
GROSSULARIACEAE |
| Ribes coloradense Coville |
GROSSULARIACEAE |
| Ribes inerme Rydberg |
GROSSULARIACEAE |
| Ribes leptanthum A. Gray |
GROSSULARIACEAE |
| Ribes montigenum McClatchie |
GROSSULARIACEAE |
| Ribes wolfii Rothrock |
GROSSULARIACEAE |
| Rorippa palustris (L.) Besser |
BRASSICACEAE |
| Rorippa palustris (L.) Besser ssp hispida (Desvaux) Jonsell |
BRASSICACEAE |
| Rorippa sphaerocarpa (A. Gray) Britton |
BRASSICACEAE |
| Rorippa teres (Michaux) Stuckey |
BRASSICACEAE |
| Rosa nutkana K. Presl |
ROSACEAE |
| Rosa woodsii Lindley |
ROSACEAE |
| Rubacer parviflorum (Nuttall) Rydberg |
ROSACEAE |
| Rubus idaeus L. ssp melanolasius (Dieck) Focke |
ROSACEAE |
| Rudbeckia ampla A. Nelson |
ASTERACEAE |
| Rumex aquaticus L. ssp occidentalis (S. Watson) Hultén |
POLYGONACEAE |
| Rumex crispus L. |
POLYGONACEAE |
| Rumex densiflorus Osterhout |
POLYGONACEAE |
| Rumex triangulivalvis (Danser) Rechinger f. |
POLYGONACEAE |
| Rydbergia grandiflora (Torrey & Gray) Greene |
ASTERACEAE |
| Sabina osteosperma (Torrey) Antoine |
CUPRESSACEAE |
| Sabina scopulorum (Sargent) Rydberg |
CUPRESSACEAE |
| Sagittaria cuneata Sheldon |
ALISMATACEAE |
| Sagittaria latifolia Willdenow |
ALISMATACEAE |
| Salix amygdaloides Andersson |
SALICACEAE |
| Salix bebbiana Sargent |
SALICACEAE |
| Salix brachycarpa Nuttall |
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 lasiandra Bentham var lasiandra |
SALICACEAE |
| Salix monticola Bebb in Coulter |
SALICACEAE |
| Salix planifolia Pursh |
SALICACEAE |
| Salix scouleriana Barratt ex Hooker |
SALICACEAE |
| Salsola australis R. Brown |
CHENOPODIACEAE |
| Salsola paulsenii Litvinov |
CHENOPODIACEAE |
| Salvia aethiopis L. |
LAMIACEAE |
| Sambucus coerulea Rafinesque |
CAPRIFOLIACEAE |
| Sambucus microbotrys Rydberg |
CAPRIFOLIACEAE |
| Sanguisorba minor Scopoli |
ROSACEAE |
| Saponaria officinalis L. |
CARYOPHYLLACEAE |
| Sarcobatus vermiculatus (Hooker) Torrey |
CHENOPODIACEAE |
| Schedonnardus paniculatus (Nuttall) Trelease |
POACEAE |
| Schoenocrambe linifolia (Nuttall) Greene |
BRASSICACEAE |
| Schoenoplectus acutus (Mühlenberg) Löve & Löve |
CYPERACEAE |
| Schoenoplectus lacustris (L.) Palla |
CYPERACEAE |
| Schoenoplectus lacustris (L.) Palla ssp acutus (Mühlenberg ex Bigelow) Löve & Löve |
CYPERACEAE |
| Schoenoplectus pungens (M. Vahl) Palla |
CYPERACEAE |
| Scirpus microcarpus J. & K. Presl |
CYPERACEAE |
| Sclerocactus mesa-verdae (Boissevain & Davidson) L. Benson |
CACTACEAE |
| Sclerocactus parviflorus Clover & Jotter |
CACTACEAE |
| Scrophularia lanceolata Pursh |
SCROPHULARIACEAE |
| Selaginella densa Rydberg |
SELAGINELLACEAE |
| Senecio atratus Greene |
ASTERACEAE |
| Senecio crassulus A. Gray |
ASTERACEAE |
| Senecio eremophilus Richardson ssp kingii (Rydberg) Douglas & R.-Douglas |
ASTERACEAE |
| Senecio flaccidus Lessing var. douglasii (DeCandolle) Turner & Barkley |
ASTERACEAE |
| Senecio integerrimus Nuttall |
ASTERACEAE |
| Senecio serra Hooker |
ASTERACEAE |
| Senecio spartioides Torrey & Gray |
ASTERACEAE |
| Senecio triangularis Hooker |
ASTERACEAE |
| Seriphidium novum (A. Nelson) W. A. Weber |
ASTERACEAE |
| Seriphidium pygmaeum (A. Gray) W. A. Weber |
ASTERACEAE |
| Seriphidium tridentatum (Nuttall) W. A. Weber |
ASTERACEAE |
| Shepherdia argentea (Pursh) Nuttall |
ELAEAGNACEAE |
| Shepherdia canadensis (L.) Nuttall |
ELAEAGNACEAE |
| Sibbaldia procumbens L. |
ROSACEAE |
| Sidalcea candida A. Gray |
MALVACEAE |
| Sidalcea neomexicana A. Gray |
MALVACEAE |
| Silene acaulis (L.) L. ssp subacaulescens (F. N. Williams) Hitchcock & Maguire |
CARYOPHYLLACEAE |
| Silene antirrhina L. |
CARYOPHYLLACEAE |
| Silene scouleri Hooker ssp hallii (S. Watson) Hitchcock & Maguire |
CARYOPHYLLACEAE |
| Sinapis arvensis L. |
BRASSICACEAE |
| Sisymbrium altissimum L. |
BRASSICACEAE |
| Sisymbrium loeselii L. |
BRASSICACEAE |
| Sisyrinchium idahoense Bicknell var occidentale (Bicknell) D. Henderson |
IRIDACEAE |
| Solanum americanum P. Miller |
SOLANACEAE |
| Solanum dulcamara L. |
SOLANACEAE |
| Solanum elaeagnifolium Cavanilles |
SOLANACEAE |
| Solanum jamesii Torrey |
SOLANACEAE |
| Solanum physalifolium Rusby var nitidibaccatum (Bitter) Edmonds |
SOLANACEAE |
| Solanum triflorum Nuttall |
SOLANACEAE |
| Solidago canadensis L. |
ASTERACEAE |
| Solidago multiradiata Aiton |
ASTERACEAE |
| Solidago multiradiata Aiton var. scopulorum Gray |
ASTERACEAE |
| Solidago nana Nuttall |
ASTERACEAE |
| Solidago simplex Humboldt, Bonpland & Kunth var. nana (A. Gray) G.S. Ringius |
ASTERACEAE |
| Solidago simplex Humboldt, Bonpland & Kunth var. simplex |
ASTERACEAE |
| Solidago velutina De Candolle |
ASTERACEAE |
| Sonchus arvensis L. |
ASTERACEAE |
| Sonchus asper (L.) J. Hill |
ASTERACEAE |
| Sorbus scopulina Greene |
ROSACEAE |
| Sparganium angustifolium Michaux |
SPARGANIACEAE |
| Spergularia rubra (L.) J. & K. Presl |
ALSINACEAE |
| 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 fendleri A. Gray |
MALVACEAE |
| Sphaeralcea leptophylla (A. Gray) Rydberg |
MALVACEAE |
| Sphaeralcea parvifolia A. Nelson |
MALVACEAE |
| Sphenopholis obtusata (Michaux) Scribner |
POACEAE |
| Sporobolus airoides (Torrey) Torrey |
POACEAE |
| Sporobolus cryptandrus (Torrey) A. Gray |
POACEAE |
| Sporobolus giganteus Nash |
POACEAE |
| Stanleya pinnata (Pursh) Britton |
BRASSICACEAE |
| Stanleya pinnata (Pursh) Britton var. pinnata |
BRASSICACEAE |
| Stellaria crassifolia Ehrhart |
ALSINACEAE |
| Stellaria longipes Goldie |
ALSINACEAE |
| Stellaria umbellata Turczaninov ex Karilin & Kirilow |
ALSINACEAE |
| Stenogonum flexum (Jones) Reveal & Howell |
POLYGONACEAE |
| Stenogonum salsuginosum Nuttall |
POLYGONACEAE |
| Stenotus armerioides Nuttall |
ASTERACEAE |
| Stephanomeria exigua Nuttall |
ASTERACEAE |
| Stephanomeria pauciflora (Torrey) A. Nelson |
ASTERACEAE |
| Stephanomeria tenuifolia (Rafinesque) Hall |
ASTERACEAE |
| Streptanthella longirostris (S. Watson) Rydberg |
BRASSICACEAE |
| Streptanthus cordatus Nuttall ex Torrey & Gray |
BRASSICACEAE |
| Streptopus fassettii Löve & Löve |
UVULARIACEAE |
| Stuckenia pectinata (L.) Börner |
POTAMOGETONACEAE |
| Suaeda moquinii Torrey |
CHENOPODIACEAE |
| Suaeda nigra (Rafinesque) Macbride |
CHENOPODIACEAE |
| Swertia perennis L. |
GENTIANACEAE |
| Swida sericea (L.) Holub |
CORNACEAE |
| Symphoricarpos rotundifolius A. Gray |
CAPRIFOLIACEAE |
| Talinum parviflorum Nuttall ex Torrey & Gray |
PORTULACACEAE |
| Tamarix ramosissima Ledebour |
TAMARICACEAE |
| Tanacetum vulgare L. |
ASTERACEAE |
| Taraxacum officinale G. H. Weber ex Wiggers |
ASTERACEAE |
| Teloxys botrys (L.) W. A. Weber |
CHENOPODIACEAE |
| Teloxys graveolens (Willdenow) W. A. Weber |
CHENOPODIACEAE |
| Tetradymia canescens De Candolle |
ASTERACEAE |
| Tetradymia spinosa Hooker & Arnott |
ASTERACEAE |
| Tetraneuris ivesiana Greene |
ASTERACEAE |
| Thalictrum fendleri Engelmann ex A. Gray |
THALICTRACEAE |
| Thelesperma megapotamicum (Sprengel) Kuntze |
ASTERACEAE |
| Thelesperma subnudum A. Gray |
ASTERACEAE |
| Thelypodiopsis aurea (Eastwood) Rydberg |
BRASSICACEAE |
| Thelypodium laxiflorum Al-Shehbaz |
BRASSICACEAE |
| Thermopsis montana Nuttall ex Torrey & Gray |
FABACEAE |
| Thinopyrum intermedium (Host) Barkworth & Dewey |
POACEAE |
| Thinopyrum ponticum (Podpera) Barkworth & Dewey |
POACEAE |
| Thlaspi arvense L. |
BRASSICACEAE |
| Tithymalus brachyceras (Engelmann) Small |
EUPHORBIACEAE |
| Tithymalus incisus (Engelmann) W. A. Weber |
EUPHORBIACEAE |
| Tithymalus uralensis (Fischer ex Link) Prokhanov |
EUPHORBIACEAE |
| Tonestus pygmaeus (Torrey & Gray) A. Nelson |
ASTERACEAE |
| Townsendia annua Beaman |
ASTERACEAE |
| Townsendia exscapa (Richardson) T. C. Porter |
ASTERACEAE |
| Townsendia glabella A. Gray |
ASTERACEAE |
| Townsendia incana Nuttall |
ASTERACEAE |
| Toxicodendron rydbergii (Small ex Rydberg) Greene |
ANACARDIACEAE |
| Toxicoscordion paniculatum (Nuttall) Rydberg |
MELANTHIACEAE |
| Toxicoscordion venenosum (S. Watson) Rydberg |
MELANTHIACEAE |
| Tragopogon dubius Scopoli |
ASTERACEAE |
| Tragopogon dubius Scopoli ssp major (Jacquin) Vollmann |
ASTERACEAE |
| Trifolium brandegei S. Watson |
FABACEAE |
| Trifolium gymnocarpon Nuttall |
FABACEAE |
| Trifolium hybridum L. |
FABACEAE |
| Trifolium longipes Nuttall |
FABACEAE |
| Trifolium pratense L. |
FABACEAE |
| Trifolium repens L. |
FABACEAE |
| Triglochin maritima L. |
JUNCAGINACEAE |
| Tripterocalyx carneus (Greene) Galloway var wootonii (Standley) Galloway |
NYCTAGINACEAE |
| Trisetum montanum Vasey |
POACEAE |
| Trisetum spicatum (L.) Richter ssp congdonii (Scribner & Merrill) Hultén |
POACEAE |
| Trisetum spicatum (L.) Richter ssp. alaskanum (Nash) Hultén |
POACEAE |
| Triteleia grandiflora Lindl. |
ALLIACEAE |
| Triticum aestivum L. |
POACEAE |
| Trollius albiflorus (A. Gray) Rydberg |
HELLEBORACEAE |
| Tryphane rubella (Wahlenberg) Reichenbach |
ALSINACEAE |
| Typha angustifolia L. |
TYPHACEAE |
| Typha latifolia L. |
TYPHACEAE |
| Ulmus pumila L. |
ULMACEAE |
| Urtica gracilis Aiton ssp gracilis |
URTICACEAE |
| Utricularia minor L. |
LENTIBULARIACEAE |
| Vaccinium cespitosum Michaux |
ERICACEAE |
| Vaccinium myrtillus L. ssp oreophilum (Rydberg) Löve et al. |
ERICACEAE |
| Valeriana capitata Pallas ex Link ssp acutiloba (Rydberg) F. G. Meyer |
VALERIANACEAE |
| Valeriana edulis Nuttall |
VALERIANACEAE |
| Verbascum thapsus L. |
SCROPHULARIACEAE |
| Verbena bracteata Lagasca & Rodriguez |
VERBENACEAE |
| Veronica americana Schweinitz ex Bentham |
SCROPHULARIACEAE |
| Veronica nutans Bongard |
SCROPHULARIACEAE |
| Veronica peregrina L. ssp xalapensis (Humboldt,_Bonpland, & Kunth) Pennell |
SCROPHULARIACEAE |
| Veronicastrum serpyllifolium L. ssp humifusum (Dickson) W. A. Weber |
SCROPHULARIACEAE |
| Vicia americana Mühlenberg |
FABACEAE |
| Vicia ludoviciana Nuttall |
FABACEAE |
| Vicia ludoviciana Nuttall var texana (Torrey & Gray) Shinners |
FABACEAE |
| Vicia villosa Roth |
FABACEAE |
| Viola adunca J. E. Smith |
VIOLACEAE |
| Viola labradorica Schrank |
VIOLACEAE |
| Viola rydbergii Greene |
VIOLACEAE |
| Viola scopulorum (A. Gray) Greene |
VIOLACEAE |
| Viola sororia Willdenow |
VIOLACEAE |
| Virgulaster ascendens (Lindley ex Hooker) Semple |
ASTERACEAE |
| Virgulus ericoides (L.) Reveal & Keener |
ASTERACEAE |
| Virgulus falcatus (Lindley) Reveal & Keener |
ASTERACEAE |
| Vulpia bromoides (L.) S.F. Gray |
POACEAE |
| Vulpia octoflora (Walter) Rydberg |
POACEAE |
| Wyethia arizonica A. Gray |
ASTERACEAE |
| Wyethia magna A. Nelson ex W. A. Weber |
ASTERACEAE |
| Xanthium strumarium L. |
ASTERACEAE |
| Ximenesia encelioides Cavanilles |
ASTERACEAE |
| Yucca angustissima Engelmann |
AGAVACEAE |
| Yucca baccata Torrey |
AGAVACEAE |
| Yucca harrimaniae Trelease |
AGAVACEAE |
| Zuckia brandegei (A. Gray) Welsh & Stutz |
CHENOPODIACEAE |
