Also Known As: Eurasian milfoil, spike/spiked watermilfoil Eurasian Watermilfoil is a Class B Weed: Non-native species that are either absent from or limited in distribution…
Also Known as: Marlahan mustard and occasionally Asp of Jerusalem. Dyer’s woad is a Class A Noxious Weed. Class A noxious weeds are non-native species…
Also Known As: cheatgrass, cheatgrass brome, downy bromegrass, military grass, wild oats, downy chess, and cheat. Downy brome (Bromus tectorum L.) was introduced into NorthAmerica…
Also Known As: garden tansy, tansy, buttons, bitter buttons, golden buttons, mugwort. Common tansy is a Class C weed. The Class C status allows counties…
Also Known As: milkweed, butterfly flower, silkweed, Virginia silk, cottonweed, wild cotton Common Milkweed, Asclepias syriaca L., is native to North America and its…
Also Known As: old-man-of-the-spring Common Groundsel is a Class C Noxious Weed: Non-native plants that are already widespread in Washington State – Counties can choose…
Common Fiddleneck Also Known As: coast fiddleneck, Menzies fiddleneck, small-flowered fiddleneck, tarweed. Common Fiddleneck (Amsinckia micrantha Suksd.) (A. calycina, A. intermedia, A. menziesii) belongs to the borage family (Boraginaceae).…
Also Known As: lesser burdock, wild burdock, wild rhubarb, beggsr’s button, bardane Common burdock, (Arctium minus Bernh.), is a biennial that is native to…