WYOMING WEED & PEST CONTROL ACT DESIGNATED LIST
Designated Noxious Weeds .S. 11-5-102 (a)(xi) and
Prohibited Noxious Weeds W.S. 11-12-104
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Field bindweed (Convolvulus arvensis L.)
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Canada thistle (Cirsium arvense L.)
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Leafy spurge (Euphorbia esula L.)
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Perennial sowthistle (Sonchus arvensis L.)
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Quackgrass (Agropyron repens (L.) Beauv.)
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Hoary cress/Whitetop (Cardaria draba & Cardaria pubescens (L.) Desv.)
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Perennial pepperweed/Giant Whitetop (Lepidium latifolium L.)
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Ox-eye daisy (Chrysanthemum leucanthemum L.)
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Skeletonleaf bursage (Franseria discolor Nutt.)
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Russian knapweed (Centaurea repens L.)
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Yellow toadflax (Linaria vulgaris L.)
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Dalmatian toadflax (Linaria dalmatica (L.) Mill.)
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Scotch thistle (Onopordum acanthium L.)
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Musk thistle (Carduus nutans L.)
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Common burdock (Arctium minus (Hill) Bernh.)
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Plumeless thistle (Carduus acanthoides L.)
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Dyers woad (Isatis tinctoria L.)
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Houndstongue (Cynoglossum officinale L.)
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Spotted knapweed (Centaurea maculosa Lam.)
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Diffuse knapweed (Centaurea diffusa Lam.)
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Purple loosestrife (Lythrum salicaria L.)
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Saltcedar (Tamarix spp.)
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Common St. Johnswort (Hypericum perforatum)
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Common tansy (Tanacetum vulgare)
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Russian olive (Elaeagnus angustifolia L.)
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Black henbane (Hyoscymus niger)
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Common mullein (Verbascum Thapsus L.)
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Medusahead rye (Taeniatherum caput-medusae)
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Ventenata (Ventenata dubia)
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Yellow starthistle (Centaurea solstitialis)
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Palmer Amaranth (Amaranthus Palmeri)
Designated Pests W.S. 11-5-102 (a)(xii)
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Grasshoppers
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Mormon Crickets
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Prairie Dogs
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Ground Squirrels
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Mountain Pine Beetle
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Beet Leafhopper
picture shown above is Purple loosestrife
picture shown above is Hoary Cress/Whitetop
picture shown above is Canada thistle