344 Records
| Citation | Family Name |
| Abronia fragrans Nuttall ex Hooker |
NYCTAGINACEAE |
| Acer glabrum Torrey |
ACERACEAE |
| Achnatherum hymenoides (Roemer & Schultes) Barkworth |
POACEAE |
| Acosta diffusa (Lamarck) Sojak |
ASTERACEAE |
| Acroptilon repens (L.) De Candolle |
ASTERACEAE |
| Agaloma marginata (Pursh) Löve & Löve |
EUPHORBIACEAE |
| Agropyron desertorum Fischer ex Link |
POACEAE |
| Aliciella pinnatifida (Nuttall ex A. Gray) J.M. Porter |
POLEMONIACEAE |
| Allium textile Nelson & Macbride |
ALLIACEAE |
| Alopecurus aequalis Sobolewski |
POACEAE |
| Alopecurus arundinaceus Poir. |
POACEAE |
| Alsine media L. |
ALSINACEAE |
| Alyssum desertorum Stapf |
BRASSICACEAE |
| Amaranthus albus L. |
AMARANTHACEAE |
| Amaranthus arenicola I. M. Johnston |
AMARANTHACEAE |
| Amaranthus blitoides S. Watson |
AMARANTHACEAE |
| Amaranthus retroflexus L. |
AMARANTHACEAE |
| Ambrosia linearis (Rydberg) Payne |
ASTERACEAE |
| Ambrosia psilostachya De Candolle var coronopifolia (Torrey & Gray) Farwell |
ASTERACEAE |
| Ambrosia tomentosa Nuttall |
ASTERACEAE |
| Ammannia robusta Heer & Regel |
LYTHRACEAE |
| Amorpha fruticosa L. |
FABACEAE |
| Andropogon hallii Hackel |
POACEAE |
| Anemonidium canadense (L.) Löve & Löve |
RANUNCULACEAE |
| Anemopsis californica Hooker |
SAURURACEAE |
| Anisantha tectorum (L.) Nevski |
POACEAE |
| Aphyllon fasciculatum (Nuttall) Torrey & Gray |
OROBANCHACEAE |
| Apios americana Medicus |
FABACEAE |
| Arctium minus (J. Hill) Bernhardi |
ASTERACEAE |
| Arctium tomentosum P. Miller |
ASTERACEAE |
| Argemone hispida A. Gray |
PAPAVERACEAE |
| Argemone polyanthemos (Fedde) G. Ownbey |
PAPAVERACEAE |
| Argentina anserina (L.) Rydberg |
ROSACEAE |
| Aristida purpurea Nuttall |
POACEAE |
| Artemisia abrotanum L. |
ASTERACEAE |
| Artemisia biennis Willdenow |
ASTERACEAE |
| Artemisia carruthii Wood {ex} Carruth |
ASTERACEAE |
| Artemisia ludoviciana Nuttall |
ASTERACEAE |
| Artemisia ludoviciana Nuttall ssp incompta (Nuttall) Keck |
ASTERACEAE |
| Artemisia ludoviciana Nuttall ssp ludoviciana |
ASTERACEAE |
| Asclepias engelmanniana Woodson |
ASCLEPIADACEAE |
| Asclepias pumila (A. Gray) Vail |
ASCLEPIADACEAE |
| Asclepias speciosa Torrey |
ASCLEPIADACEAE |
| Asclepias uncialis Greene |
ASCLEPIADACEAE |
| Asparagus officinalis L. |
ASPARAGACEAE |
| Aster lanceolatus Willdenow ssp hesperius (A. Gray) Semple & Chmielewski |
ASTERACEAE |
| Astragalus bisulcatus (Hooker) A. Gray |
FABACEAE |
| Astragalus ceramicus Sheldon var filifolius (A. Gray) F. J. Hermann |
FABACEAE |
| Astragalus cicer L. |
FABACEAE |
| Astragalus gracilis Nuttall |
FABACEAE |
| Astragalus shortianus Nuttall in Torrey & Gray |
FABACEAE |
| Atriplex argentea Nuttall |
CHENOPODIACEAE |
| Atriplex canescens (Pursh) Nuttall |
CHENOPODIACEAE |
| Atriplex hortensis L. |
CHENOPODIACEAE |
| Atriplex truncata (Torrey) A. Gray |
CHENOPODIACEAE |
| Avena fatua L. var sativa (L.) Haussknecht |
POACEAE |
| Bassia sieversiana (Pallas) W. A. Weber |
CHENOPODIACEAE |
| Beckmannia syzigachne (Steudel) Fernald ssp baicalensis (Kuznetzow) Koyama & Kuwano |
POACEAE |
| Bidens frondosa L. |
ASTERACEAE |
| Bidens tenuisecta A. Gray |
ASTERACEAE |
| Bothriochloa ischaemum (L.) Keng var songarica (Ruprecht ex Fischer & Meyer) Celarier & Harlan |
POACEAE |
| Bouteloua curtipendula (Michaux) Torrey var curtipendula |
POACEAE |
| Brassica nigra (L.) K. Koch |
BRASSICACEAE |
| Breea arvensis (L.) Lessing |
ASTERACEAE |
| Brickellia eupatorioides (L.) Shinners |
ASTERACEAE |
| Brickellia rosmarinifolia (Ventenat) W. A. Weber ssp chlorolepis (Wooton & Standley) W. A. Weber |
ASTERACEAE |
| Bromopsis inermis (Leysser) Holub |
POACEAE |
| Bromus japonicus Thunberg |
POACEAE |
| Buchloë dactyloides (Nuttall) Engelmann |
POACEAE |
| Calamovilfa longifolia (Hooker) Scribner in Hackel |
POACEAE |
| Calylophus serrulatus (Nuttall) Raven |
ONAGRACEAE |
| Calystegia sepium (L.) R. Brown ssp angulata Brummitt |
CONVOLVULACEAE |
| Camelina microcarpa Andrzejowski ex De Candolle |
BRASSICACEAE |
| Cannabis sativa L. |
CANNABACEAE |
| Capsella bursa-pastoris (L.) Medicus |
BRASSICACEAE |
| Cardaria draba (L.) Desvaux |
BRASSICACEAE |
| Cardaria latifolia (L.) Spach |
BRASSICACEAE |
| Cardaria pubescens (C. A. Meyer) Jarmolenko |
BRASSICACEAE |
| Carex douglasii F. Boott in Hooker |
CYPERACEAE |
| Carex emoryi Dewey in Torrey |
CYPERACEAE |
| Carex filifolia Nuttall |
CYPERACEAE |
| Carex praegracilis F. Boott |
CYPERACEAE |
| Cerastium fontanum Baumgartner |
ALSINACEAE |
| Ceratocephala orthoceras De Candolle |
RANUNCULACEAE |
| Chamaesyce fendleri (Torrey & Gray) Small |
EUPHORBIACEAE |
| Chamaesyce glyptosperma (Engelmann) Small |
EUPHORBIACEAE |
| Chamaesyce missurica (Rafinesque) Shinners |
EUPHORBIACEAE |
| Chamaesyce serpyllifolia (Persoon) Small |
EUPHORBIACEAE |
| Chamaesyce supina (Rafinesque) Moldenke |
EUPHORBIACEAE |
| Chenopodium glaucum L. |
CHENOPODIACEAE |
| Chloris verticillata Nuttall |
POACEAE |
| Chloris virgata Swartz |
POACEAE |
| Chondrosum gracile Humboldt, Bonpland, & Kunth |
POACEAE |
| Chondrosum prostratum (Lagasca) Sweet |
POACEAE |
| Chorispora tenella (Pallas) De Candolle |
BRASSICACEAE |
| Chrysothamnus nauseosus (Pallas ex Pursh) Britton ssp graveolens (Nuttall) Piper |
ASTERACEAE |
| Cichorium intybus L. |
ASTERACEAE |
| Cicuta douglasii (De Candolle) Coulter & Rose |
APIACEAE |
| Clematis ligusticifolia Nuttall ex Torrey & Gray |
RANUNCULACEAE |
| Cleome serrulata Pursh |
CAPPARACEAE |
| Comandra umbellata (L.) Nuttall ssp pallida (A. De Candolle) Piehl |
SANTALACEAE |
| Conium maculatum L. |
APIACEAE |
| Convolvulus arvensis L. |
CONVOLVULACEAE |
| Conyza canadensis (L.) Cronquist |
ASTERACEAE |
| Coreopsis tinctoria Nuttall |
ASTERACEAE |
| Coryphantha vivipara (Nuttall) Britton & Rose |
CACTACEAE |
| Cosmos bipinnatus Cavanilles |
ASTERACEAE |
| Cotoneaster lucida Schlecht |
ROSACEAE |
| Critesion glaucum (Steudel) Löve |
POACEAE |
| Critesion jubatum (L.) Nevski |
POACEAE |
| Croton texensis (Klotsch) Müller-Argoviensis in De Candolle |
EUPHORBIACEAE |
| Cryptantha minima Rydberg |
BORAGINACEAE |
| Cucurbita foetidissima Humboldt, Bonpland, & Kunth |
CUCURBITACEAE |
| Cyclachaena xanthifolia (Nuttall) Fresenius |
ASTERACEAE |
| Cylindropyrum cylindricum (Host) Löve |
POACEAE |
| Cymopterus acaulis (Pursh) Rafinesque |
APIACEAE |
| Cynoglossum officinale L. |
BORAGINACEAE |
| Dactylis glomerata L. |
POACEAE |
| Dalea cylindriceps Barneby |
FABACEAE |
| Dalea leporina (Aiton) Bullock |
FABACEAE |
| Dalea purpurea Ventenat |
FABACEAE |
| Descurainia sophia (L.) Webb ex Prantl |
BRASSICACEAE |
| Desmanthus illinoensis (Michaux) MacMillan ex Robinson & Fernald |
FABACEAE |
| Dianthus deltoides L. |
CARYOPHYLLACEAE |
| Digitaria ischaemum (Schreber) Schreber ex Mühlenberg |
POACEAE |
| Diplachne fascicularis (Lamarck) P. Beauvois |
POACEAE |
| Dipsacus laciniatus L. |
DIPSACACEAE |
| Distichlis stricta (Torrey) Rydberg |
POACEAE |
| Dyssodia papposa (Ventenat) A. S. Hitchcock |
ASTERACEAE |
| Echinacea purpurea (L.) Moench |
ASTERACEAE |
| Echinochloa crus-galli (L.) P. Beauvois |
POACEAE |
| Echinocystis lobata (Michaux) Torrey & Gray |
CUCURBITACEAE |
| Echinops sphaerocephalus L. |
ASTERACEAE |
| Elaeagnus angustifolia L. |
ELAEAGNACEAE |
| Eleocharis palustris (L.) Roemer & Schultes |
CYPERACEAE |
| Eleocharis parvula (Roemer & Schultes) Link var anachaeta (Torrey) Svenson |
CYPERACEAE |
| Eleusine indica (L.) Gaertner |
POACEAE |
| Elymus canadensis L. |
POACEAE |
| Elymus elymoides (Rafinesque) Swezey |
POACEAE |
| Eragrostis barrelieri Daveau in Morot |
POACEAE |
| Eragrostis cilianensis (Allioni) F. T. Hubbard |
POACEAE |
| Eragrostis curvula (Schrader) Nees |
POACEAE |
| Erigeron compositus Pursh |
ASTERACEAE |
| Erigeron divergens Torrey & Gray |
ASTERACEAE |
| Erigeron pumilus Nuttall |
ASTERACEAE |
| Eriogonum annuum Nuttall |
POLYGONACEAE |
| Eriogonum effusum Nuttall |
POLYGONACEAE |
| Erodium cicutarium (L.) L'Heritier |
GENTIANACEAE |
| Eryngium planum L. |
APIACEAE |
| Euthamia occidentalis Nuttall |
ASTERACEAE |
| Evolvulus nuttallianus Schultes |
CONVOLVULACEAE |
| Fallopia aubertii (Henry) Holub |
POLYGONACEAE |
| Festuca arundinacea Schreber |
POACEAE |
| Festuca saximontana Rydberg |
POACEAE |
| Galinsoga parviflora Cavanilles |
ASTERACEAE |
| Galium odoratum (L.) Scopoli |
RUBIACEAE |
| Galium spurium L. |
RUBIACEAE |
| Galium verum L. |
RUBIACEAE |
| Gaura coccinea Nuttall ex Pursh |
ONAGRACEAE |
| Glandularia bipinnatifida (Nuttall) Nuttall |
VERBENACEAE |
| Glaux maritima L. var angustifolia Boivin |
PRIMULACEAE |
| Glycyrrhiza lepidota Pursh |
FABACEAE |
| Grammica indecora (Choisy) W. A. Weber var neuropetala (Engelmann) W. A. Weber |
CUSCUTACEAE |
| Grindelia inornata Greene |
ASTERACEAE |
| Grindelia squarrosa (Pursh) Dunal var serrulata (Rydberg) Steyermark |
ASTERACEAE |
| Gutierrezia sarothrae (Pursh) Britton & Rusby |
ASTERACEAE |
| Halerpestes cymbalaria (Pursh) Greene ssp saximontana (Fernald) Moldenke |
RANUNCULACEAE |
| Hecatonia scelerata (L.) Fourreau |
RANUNCULACEAE |
| Helenium autumnale L. |
ASTERACEAE |
| Helianthus annuus L. |
ASTERACEAE |
| Helianthus nuttallii Torrey & Gray |
ASTERACEAE |
| Helianthus petiolaris Nuttall |
ASTERACEAE |
| Helianthus pumilus Nuttall |
ASTERACEAE |
| Heliopsis helianthoides (L.) Sweet var scabra (Dunal) Fernald |
ASTERACEAE |
| Heliotropium curassavicum L. ssp oculatum (Heller) Thorne |
BORAGINACEAE |
| Heracleum sphondylium L. ssp montanum (Schleicher ex Gaudin) Briquet in Schinz & Thellung |
APIACEAE |
| Hesperostipa comata (Trinius & Ruprecht) Barkworth |
POACEAE |
| Heteranthera limosa (Swartz) Willdenow |
PONTEDERIACEAE |
| Heterotheca villosa (Pursh) Shinners |
ASTERACEAE |
| Ipomoea leptophylla Torrey |
CONVOLVULACEAE |
| Ipomoea purpurea L. |
CONVOLVULACEAE |
| Ipomopsis aggregata (Pursh) V. Grant ssp collina (Greene) Wilken & Allard |
POLEMONIACEAE |
| Ipomopsis laxiflora (Coulter) V. Grant |
POLEMONIACEAE |
| Iva axillaris Pursh |
ASTERACEAE |
| Juncus arcticus Willdenow ssp ater (Rydberg) Hultén |
JUNCACEAE |
| Juncus bufonius L. |
JUNCACEAE |
| Koeleria macrantha (Ledebour) Schultes |
POACEAE |
| Krascheninnikovia lanata (Pursh) Meeuse & Smit |
CHENOPODIACEAE |
| Lactuca tatarica (L.) C. A. Meyer ssp pulchella (Pursh) Stebbins |
ASTERACEAE |
| Lappula redowskii (Hornemann) Greene |
BORAGINACEAE |
| Lepidium perfoliatum L. |
BRASSICACEAE |
| Lesquerella ludoviciana (Nuttall) S. Watson |
BRASSICACEAE |
| Leucocrinum montanum Nuttall ex A. Gray |
LILIACEAE |
| Liatris punctata Hooker |
ASTERACEAE |
| Limosella aquatica L. |
SCROPHULARIACEAE |
| Lithospermum incisum Lehmann |
BORAGINACEAE |
| Lobularia maritima (L.) Desvaux |
BRASSICACEAE |
| Lupinus argenteus Pursh |
FABACEAE |
| Lycium barbarum L. |
SOLANACEAE |
| Lycopus americanus Mühlenberg ex W. Barton |
LAMIACEAE |
| Lythrum alatum Pursh |
LYTHRACEAE |
| Lythrum salicaria L. |
LYTHRACEAE |
| Machaeranthera pinnatifida (Hooker) Shinners |
ASTERACEAE |
| Machaeranthera tanacetifolia (Humboldt, Bonpland, & Kunth) Nees |
ASTERACEAE |
| Maclura pomifera (Rafinesque) C. K. Schneider |
MORACEAE |
| Maianthemum stellatum (L.) Link |
CONVALLARIACEAE |
| Malva neglecta Wallroth |
MALVACEAE |
| Medicago sativa L. |
FABACEAE |
| Melilotus albus Medicus |
FABACEAE |
| Melilotus officinale (L.) Pallas |
FABACEAE |
| Mentha arvensis L. |
LAMIACEAE |
| Mertensia lanceolata (Pursh) A. De Candolle |
BORAGINACEAE |
| Miscanthus sinensis Andersson |
POACEAE |
| Monroa squarrosa (Nuttall) Torrey |
POACEAE |
| Muhlenbergia schreberi J. F. Gmelin |
POACEAE |
| Musineon divaricatum (Pursh) Rafinesque var divaricatum |
APIACEAE |
| Myriophyllum sibiricum Komarov |
HALORAGACEAE |
| Nassella viridula (Trinius) Barkworth |
POACEAE |
| Negundo aceroides (L.) Moench |
ACERACEAE |
| Nepeta cataria L. |
LAMIACEAE |
| Nuttallia multiflora (Nuttall) Greene |
LOASACEAE |
| Nuttallia nuda (Pursh) Greene |
LOASACEAE |
| Nuttallia speciosa (Osterhout) Greene |
LOASACEAE |
| Oenothera albicaulis Pursh |
ONAGRACEAE |
| Oenothera coronopifolia Torrey & Gray |
ONAGRACEAE |
| Oenothera latifolia (Rydberg) Munz |
ONAGRACEAE |
| Onopordum acanthium L. |
ASTERACEAE |
| Onosmodium molle Michaux ssp occidentale (Mackenzie) Cochrane |
BORAGINACEAE |
| Opuntia polyacantha Haworth |
CACTACEAE |
| Oreocarya suffruticosa (Torrey) Greene |
BORAGINACEAE |
| Osmorhiza longistylis (Torrey) De Candolle |
APIACEAE |
| Oxalis stricta L. |
OXALIDACEAE |
| Oxybaphus nyctagineus (Michaux) T. C. Porter in Porter & Coulter |
NYCTAGINACEAE |
| Oxytropis lambertii Pursh |
FABACEAE |
| Packera tridenticulata (Rydberg) Weber & Löve |
ASTERACEAE |
| Padus virginiana (L.) P. Miller ssp melanocarpa (A. Nelson) W. A. Weber |
ROSACEAE |
| Panicum capillare L. |
POACEAE |
| Panicum dichotomiflorum Michaux |
POACEAE |
| Panicum miliaceum L. |
POACEAE |
| Panicum virgatum L. |
POACEAE |
| Pascopyrum smithii (Rydberg) Löve |
POACEAE |
| Paspalum setaceum Michaux var stramineum (Nash) D. Banks |
POACEAE |
| Penstemon albidus Nuttall |
SCROPHULARIACEAE |
| Penstemon angustifolius Nuttall ex Pursh |
SCROPHULARIACEAE |
| Penstemon glaber Pursh var glaber |
SCROPHULARIACEAE |
| Penstemon secundiflorus Bentham in De Candolle |
SCROPHULARIACEAE |
| Persicaria bicornis (Rafinesque) Nieuwland |
POLYGONACEAE |
| Persicaria lapathifolia (L.) S. Gray |
POLYGONACEAE |
| Persicaria maculata (L.) S. Gray |
POLYGONACEAE |
| Phacelia heterophylla Pursh |
HYDROPHYLLACEAE |
| Phalaroides arundinacea (L.) Rauschert |
POACEAE |
| Phragmites australis (Cavanilles) Trinius ex Steudel |
POACEAE |
| Physalis hederifolia A. Gray var. comata (Rydberg) Waterfall |
SOLANACEAE |
| Physalis heterophylla Nees |
SOLANACEAE |
| Physaria vitulifera Rydberg |
BRASSICACEAE |
| Picradeniopsis oppositifolia (Nuttall) Rydberg |
ASTERACEAE |
| Pneumonanthe andrewsii (Grisebach in Hooker) W. A. Weber |
GENTIANACEAE |
| Poa annua L. |
POACEAE |
| Pocilla polita (E. Fries) Fourreau |
SCROPHULARIACEAE |
| Polanisia dodecandra (L.) De Candolle |
CAPPARACEAE |
| Polygonum argyrocoleon Steudel ex Kuntze |
POLYGONACEAE |
| Polypogon monspeliensis (L.) Desfontaines |
POACEAE |
| Populus acuminata Rydberg |
SALICACEAE |
| Populus deltoides H. Marshall ssp monilifera (Aiton) Eckenwalder |
SALICACEAE |
| Potentilla norvegica L. |
ROSACEAE |
| Potentilla recta L. |
ROSACEAE |
| Potentilla rivalis Nuttall ex Torrey & Gray |
ROSACEAE |
| Prunus americana H. Marshall |
ROSACEAE |
| Quincula lobata (Torrey) Rafinesque |
SOLANACEAE |
| Ranunculus macounii Britton |
RANUNCULACEAE |
| Ranunculus repens L. |
RANUNCULACEAE |
| Ratibida columnifera (Nuttall) Wooton & Standley |
ASTERACEAE |
| Ratibida tagetes (James) Barnhart |
ASTERACEAE |
| Reseda lutea L. |
RESEDACEAE |
| Rhus aromatica Aiton ssp trilobata (Nuttall ex Torrey & Gray) W. A. Weber |
ANACARDIACEAE |
| Ribes aureum Pursh |
GROSSULARIACEAE |
| Rorippa sinuata (Nuttall in Torrey & Gray) A. S. Hitchcock |
BRASSICACEAE |
| Rorippa sphaerocarpa (A. Gray) Britton |
BRASSICACEAE |
| Rorippa teres (Michaux) Stuckey |
BRASSICACEAE |
| Rosa arkansana T. C. Porter |
ROSACEAE |
| Rosa woodsii Lindley |
ROSACEAE |
| Rumex maritimus L. ssp fueginus (Philippi) Hultén |
POLYGONACEAE |
| Salix exigua Nuttall |
SALICACEAE |
| Salix fragilis L. |
SALICACEAE |
| Salix irrorata Andersson |
SALICACEAE |
| Salix lasiandra Bentham var caudata (Nuttall) Sudworth |
SALICACEAE |
| Salix purpurea L. |
SALICACEAE |
| Salsola australis R. Brown |
CHENOPODIACEAE |
| Salvia pratensis L. |
LAMIACEAE |
| Sambucus canadensis L. |
CAPRIFOLIACEAE |
| Saponaria officinalis L. |
CARYOPHYLLACEAE |
| Schedonnardus paniculatus (Nuttall) Trelease |
POACEAE |
| Schoenoplectus lacustris (L.) Palla ssp acutus (Mühlenberg ex Bigelow) Löve & Löve |
CYPERACEAE |
| Schoenoplectus pungens (M. Vahl) Palla |
CYPERACEAE |
| Scutellaria brittonii T. C. Porter |
LAMIACEAE |
| Senecio spartioides Torrey & Gray |
ASTERACEAE |
| Senecio vulgaris L. |
ASTERACEAE |
| Setaria italica (L.) P. Beauvois |
POACEAE |
| Setaria viridis (L.) P. Beauvois |
POACEAE |
| Sinapis arvensis L. |
BRASSICACEAE |
| Sisymbrium altissimum L. |
BRASSICACEAE |
| Sisyrinchium montanum Greene |
IRIDACEAE |
| Solanum americanum P. Miller |
SOLANACEAE |
| Solanum dulcamara L. |
SOLANACEAE |
| Solanum rostratum Dunal |
SOLANACEAE |
| Solidago canadensis L. |
ASTERACEAE |
| Solidago mollis Bartling |
ASTERACEAE |
| Spartina pectinata Link |
POACEAE |
| Sphaeralcea coccinea (Pursh) Rydberg |
MALVACEAE |
| Sporobolus airoides (Torrey) Torrey |
POACEAE |
| Sporobolus cryptandrus (Torrey) A. Gray |
POACEAE |
| Stenactis strigosa (Mühlenberg ex Willdenow) De Candolle |
ASTERACEAE |
| Stephanomeria pauciflora (Torrey) A. Nelson |
ASTERACEAE |
| Stuckenia pectinata (L.) Börner |
POTAMOGETONACEAE |
| Suaeda nigra (Rafinesque) Macbride |
CHENOPODIACEAE |
| Swida sericea (L.) Holub |
CORNACEAE |
| Symphoricarpos occidentalis Hooker |
CAPRIFOLIACEAE |
| Symphytum officinale L. |
BORAGINACEAE |
| Talinum parviflorum Nuttall ex Torrey & Gray |
PORTULACACEAE |
| Tanacetum vulgare L. |
ASTERACEAE |
| Taraxacum officinale G. H. Weber ex Wiggers |
ASTERACEAE |
| Tetraneuris acaulis (Pursh) Greene |
ASTERACEAE |
| Teucrium canadense L. ssp occidentale (A. Gray) W. A. Weber |
LAMIACEAE |
| Thinopyrum ponticum (Podpera) Barkworth & Dewey |
POACEAE |
| Thlaspi arvense L. |
BRASSICACEAE |
| Tithymalus spathulatus (Lamarck) W. A. Weber |
EUPHORBIACEAE |
| Tradescantia occidentalis (Britton) Smyth var scopulorum (Rose) Anderson & Woodson |
COMMELINACEAE |
| Tragopogon dubius Scopoli |
ASTERACEAE |
| Tribulus terrestris L. |
ZYGOPHYLLACEAE |
| Ulmus pumila L. |
ULMACEAE |
| Urtica gracilis Aiton ssp gracilis |
URTICACEAE |
| Verbascum thapsus L. |
SCROPHULARIACEAE |
| Verbena bracteata Lagasca & Rodriguez |
VERBENACEAE |
| Veronica americana Schweinitz ex Bentham |
SCROPHULARIACEAE |
| Veronica catenata Pennell |
SCROPHULARIACEAE |
| Viola nuttallii Pursh |
VIOLACEAE |
| Viola sororia Willdenow var affinis (Le_Conte) McKinney |
VIOLACEAE |
| Virgulus falcatus (Lindley) Reveal & Keener |
ASTERACEAE |
| Virgulus fendleri (A. Gray) Reveal & Keener |
ASTERACEAE |
| Virgulus novae-angliae (L.) Reveal & Keener |
ASTERACEAE |
| Xanthium strumarium L. |
ASTERACEAE |
| Ximenesia encelioides Cavanilles |
ASTERACEAE |
| Yucca glauca Nuttall in Fraser |
AGAVACEAE |
| Zannichellia palustris L. |
ZANNICHELLIACEAE |
