Yellowstone National Park (Wyoming)


87 Species

Subject Name Scientific Name Family Nativity
Canada thistle Cirsium arvense (L.) Scop. Asteraceae Exotic
musk thistle Carduus nutans L. Asteraceae Exotic
spotted knapweed Centaurea stoebe ssp. micranthos (Gugler) Hayek Asteraceae Exotic
Tatarian honeysuckle Lonicera tatarica L. Caprifoliaceae Exotic
common mullein Verbascum thapsus L. Scrophulariaceae Exotic
bull thistle Cirsium vulgare (Savi) Ten. Asteraceae Exotic
spiny plumeless thistle Carduus acanthoides L. Asteraceae Exotic
leafy spurge Euphorbia esula L. Euphorbiaceae Exotic
yellow toadflax Linaria vulgaris P. Mill. Scrophulariaceae Exotic
dandelion Taraxacum officinale G.H. Weber ex Wiggers Asteraceae Native
field bindweed Convolvulus arvensis L. Convolvulaceae Exotic
common St. Johnswort Hypericum perforatum L. Clusiaceae Exotic
orange hawkweed Hieracium aurantiacum L. Asteraceae Exotic
meadow hawkweed Hieracium caespitosum Dumort. Asteraceae Exotic
sulfur cinquefoil Potentilla recta L. Rosaceae Exotic
dalmatian toadflax Linaria dalmatica ssp. dalmatica (L.) P. Mill. Scrophulariaceae Exotic
diffuse knapweed Centaurea diffusa Lam. Asteraceae Exotic
creeping bentgrass Agrostis stolonifera L. Poaceae Native
tall oatgrass Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl Poaceae Exotic
common burdock Arctium minus Bernh. Asteraceae Exotic
fivehook bassia Bassia hyssopifolia (Pallas) Kuntz Chenopodiaceae Exotic
hoary alyssum Berteroa incana (L.) DC Brassicaceae Exotic
field brome Bromus arvensis L. Poaceae Exotic
smooth brome Bromus inermis Leyss. Poaceae Native
cheatgrass Bromus tectorum L. Poaceae Exotic
shepherd's-purse Capsella bursa-pastoris (L.) Medik. Brassicaceae Exotic
hoary cress Cardaria draba (L.) Desv Brassicaceae Exotic
smallseed falseflax Camelina microcarpa DC. Brassicaceae Exotic
big chickweed Cerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet Caryophyllaceae Exotic
bur buttercup Ceratocephala testiculata (Crantz) Bess. Ranunculaceae Exotic
blue mustard Chorispora tenella (Pallas) DC. Brassicaceae Exotic
narrowleaf hawksbeard Crepis tectorum L. Asteraceae Exotic
houndstongue Cynoglossum officinale L. Boraginaceae Exotic
flixweed Descurainia sophia (L.) Webb ex Prantl Brassicaceae Exotic
Deptford pink Dianthus armeria L. Caryophyllaceae Exotic
spring whitlowgrass Draba verna L. Brassicaceae Exotic
quackgrass Elymus repens (L.) Gould Poaceae Exotic
redstem filaree Erodium cicutarium (L.) L'Hér. ex Ait. Geraniaceae Exotic
common velvetgrass Holcus lanatus L. Poaceae Exotic
black henbane Hyoscyamus niger L. Solanaceae Exotic
Mexican fireweed Bassia scoparia (L.) A.J. Scott Chenopodiaceae Exotic
prickly lettuce Lactuca serriola L. Asteraceae Exotic
clasping pepperweed Lepidium perfoliatum L. Brassicaceae Exotic
oxeye daisy Leucanthemum vulgare Lam. Asteraceae Exotic
black medic Medicago lupulina L. Fabaceae (Leguminosae) Exotic
yellow sweetclover Melilotus officinalis (L.) Lam. Fabaceae (Leguminosae) Exotic
alfalfa Medicago sativa L. Fabaceae (Leguminosae) Exotic
wild parsnip Pastinaca sativa L. Apiaceae Exotic
timothy Phleum pratense L. Poaceae Exotic
buckhorn plantain Plantago lanceolata L. Plantaginaceae Exotic
broadleaf plantain Plantago major L. Plantaginaceae Native
annual bluegrass Poa annua L. Poaceae Exotic
bulbous bluegrass Poa bulbosa L. Poaceae Exotic
Canada bluegrass Poa compressa L. Poaceae Exotic
rabbitfoot polypogon Polypogon monspeliensis (L.) Desf. Poaceae Exotic
common purslane Portulaca oleracea L. Portulacaceae Native
tall buttercup Ranunculus acris L. Ranunculaceae Exotic
red sorrel Rumex acetosella L. Polygonaceae Exotic
curly dock Rumex crispus L. Polygonaceae Exotic
slender Russian thistle Salsola collina Pallas Chenopodiaceae Exotic
Russian-thistle Salsola tragus L. Chenopodiaceae Exotic
common groundsel Senecio vulgaris L. Asteraceae Exotic
tumble mustard Sisymbrium altissimum L. Brassicaceae Exotic
bladder campion Silene latifolia ssp. alba (Mill.) Greuter & Burdet Caryophyllaceae Exotic
bladder campion Silene vulgaris (Moench) Garcke Caryophyllaceae Exotic
perennial sowthistle Sonchus arvensis L. Asteraceae Exotic
spiny sowthistle Sonchus asper (L.) Hill Asteraceae Exotic
common tansy Tanacetum vulgare L. Asteraceae Exotic
field pennycress Thlaspi arvense L. Brassicaceae Exotic
large hop clover Trifolium campestre Schreb. Fabaceae (Leguminosae) Exotic
western salsify Tragopogon dubius Scop. Asteraceae Exotic
white clover Trifolium repens L. Fabaceae (Leguminosae) Exotic
corn speedwell Veronica arvensis L. Scrophulariaceae Exotic
twolobe speedwell Veronica biloba L. Scrophulariaceae Exotic
crested wheatgrass Agropyron cristatum (L.) Gaertn. Poaceae Exotic
thymeleaf sandwort Arenaria serpyllifolia L. Caryophyllaceae Exotic
sweet vernalgrass Anthoxanthum odoratum L. Poaceae Exotic
rock dandelion Taraxacum laevigatum (Willd.) DC. Asteraceae Exotic
meadow salsify Tragopogon lamottei L. Asteraceae Exotic
hop clover Trifolium aureum Pollich Fabaceae (Leguminosae) Exotic
small hop clover Trifolium dubium Sibthorp Fabaceae (Leguminosae) Exotic
red clover Trifolium pratense L. Fabaceae (Leguminosae) Exotic
water speedwell Veronica anagallis-aquatica L. Scrophulariaceae Native
silver hairgrass Aira caryophyllea L. Poaceae Exotic
alsike clover Trifolium hybridum L. Fabaceae (Leguminosae) Exotic
interrupted windgrass Apera interrupta (L.) Beauv. Poaceae Exotic
rattlesnake brome Bromus briziformis Fisch. & C.A. Mey. Poaceae Exotic