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Species Listing

Search lists of species confirmed by Federal, State, and local agencies and organizations

Wyoming Noxious Weeds

Wyoming Department of Agriculture. 2018. Wyoming weed and pest control act state designated weeds and pests. Wyoming Department of Agriculture.

https://wyoweed.org///wp-content/uploads/2018/07/StateDesignatedList_2018.pdf

Common Name Scientific Name
Canada thistle Cirsium arvense (L.) Scop.
musk thistle, nodding thistle Carduus nutans L.
Russian olive Elaeagnus angustifolia L.
purple loosestrife Lythrum salicaria L.
common mullein Verbascum thapsus L.
spiny plumeless thistle, plumeless thistle Carduus acanthoides L.
yellow toadflax Linaria vulgaris P. Mill.
field bindweed Convolvulus arvensis L.
Russian knapweed Rhaponticum repens (L.) Hidalgo
yellow starthistle Centaurea solstitialis L.
common St. Johnswort Hypericum perforatum L.
Scotch thistle Onopordum acanthium L.
diffuse knapweed Centaurea diffusa Lam.
Dyer's woad Isatis tinctoria L.
Palmer amaranth Amaranthus palmeri S. Wats.
skeletonleaf bursage Ambrosia tomentosa Nutt.
common burdock, lesser burdock Arctium minus Bernh.
hoary cress Lepidium draba (L.) Desv
houndstongue Cynoglossum officinale L.
quackgrass Elymus repens (L.) Gould
black henbane Hyoscyamus niger L.
perennial pepperweed Lepidium latifolium L.
oxeye daisy Leucanthemum vulgare Lam.
Dalmatian toadflax Linaria dalmatica (L.) P. Mill.
perennial sowthistle Sonchus arvensis L.
medusahead Taeniatherum caput-medusae (L.) Nevski
saltcedar Tamarix ramosissima Ledeb.
common tansy Tanacetum vulgare L.
ventenata Ventenata dubia (Leers) Coss. & Durieu
leafy spurge Euphorbia virgata Waldst. & Kit.
spotted knapweed Centaurea stoebe australis (Pancic ex A.Kern.) Greuter