"Watch Out For" Bulletins
Kim Goodwin and Dave Burch. 2007. Bozeman, MT: Montana State University Extension Service.
These two-page bulletins provide information on habitat, biology and spread, and early control methods.
Free Downloads (PDF)Houndstongue
Knapweeds (Spotted, diffuse, and Russian)
Toadflax (Dalmatian and yellow)