Nonnative Plant Images African mustard Alfalfa American waterplantain Asian forget-me-not Barbwire grass Barnyard grass Big quakinggrass Birdeye speedwell Birdfoot deervetch Black bindweed Black henbane Black knapweed Black medick Black mustard Black nightshade Bladder senna Blue flax Blue mustard Bouncingbet Bulbous bluegrass Bull thistle Camelthorn Canada thistle Caraway Castorbean Catnip Cereal rye Cheatgrass Chicory Clasping pepperweed Colonial bentgrass Coltsfoot Common barley Common buckthorn Common comfrey Common groundsel Common hop Common mallow Common motherwort Common mullein Common sheep sorrel Common tansy Corn chamomile Cow soapwort Creeping buttercup Crested wheatgrass Crossflower Curly dock Cypress spurge Dalmatian toadflax Dames rocket Diffuse knapweed Disc mayweed Downy brome, Cheatgrass Dutch crocus Dyer's woad Eltrot Feverfew Field bindweed Field pennycress Field sowthistle Fuller's teasel Garden asparagus Garden cornflower Garden snapdragon German-madwort Golden chamomile Goldenrain tree Green bristlegrass Gypsyflower Halogeton Harestail grass Henbit deadnettle Herb sophia Hoary plantain Horse chestnut Houndstongue Intermediate wheatgrass Johnsongrass Jointed goatgrass Kochia Leafy Spurge Leather flower Lemon thyme Lesser burrdock Lilacbush Little quakinggrass Littlepod false flax Matrimony vine Meadow geranium Mediterranean figwort Mediterranean sage Milk Thistle Mouse barley Musk thistle Myrtle spurge Nodding plumeless thistle Orange eye butterflybush Orange hawkweed Orchardgrass Oxeye daisy Papaya Perennial pepperweed Perennial veldtgrass Plumeless thistle Poison hemlock Prickly lettuce Professor-weed Puncturevine Purple loosestrife Quackgrass Rattlesnake brome Red brome Redhot poker Redstem filaree Redstem stork's bill Rhodes grass Rose moss Rush skeletonweed Rush wheatgrass Russian knapweed Russian olive Russian thistle Sainfoin Saltcedar Salvation Jane Scarlet firethorn Scotch thistle Scotchbroom Sheep fescue Shepherd's purse Siberian peashrub Smilograss Smooth crabgrass Spiny restharrow Spiny sowthistle Spotted knapweed Squarrose knapweed St. Johnswort Stinkgrass Stinking chamomile Strawberry groundcherry Sulfur cinquefoil Sweet mock orange Tall buttercup Tall oatgrass Tall tumblemustard Timothy Twolobe speedwell V.H. spiraea Velvetleaf Velvetplant Wayfaringtree White bryony White knapweed White mulberry White poplar Whitetop Wild mustard Wild proso millet Yellow foxtail Yellow salsify yellow salsify Yellow starthistle Yellow sweetclover Yellow toadflax