Weed I.D. and Options for Control Link Weed I.D. and Options for Control Click on links below to learn how to identify and control the following invasive weed species… (Contact us if you would like a hard-copy) Absinth wormwood Buffalobur Bull thistle Butterfly bush Canada thistle Cereal rye Common bugloss Common reed / phragmites Common mullein Common tansy Diffuse knapweed Dalmatian toadflax Eurasian watermilfoil Field bindweed Hoarycress / whitetop Houndstongue Japanese knotweed Jointed goatgrass Kochia Leafy spurge Musk thistle Myrtel spurge Orange hawkweed Oxeye daisy Perennial pepperweed Perrenial sowthisle Poison hemlock Puncturevine Purple loosestrife Rush skeletonweed Russian knapweed Scotch broom Scotch thistle Spotted knapweed St. Johnswort Sulfur cinquefoil Western water-hemlock Yellow flag iris Yellow hawkweed Yellow starthistle Yellow toadflax
