Missoula County Weed District & Extension

Priority Three Weeds

Priority 3 Weeds:
These noxious weeds are widespread infestations over 1000 acres. They are managed through organized cooperative landowner groups. Scattered infestations of Leafy spurge, Dalmatian toadflax, and Yellow toadflax outside the designated infestations will be Priority 2.

Canada ThistleCanada Thistle
Common TansyCommon Tansy
Dalmatian ToadflaxDalmation Toadflax
Field Bindweed
Field Bindweed
Hoary AlyssumHoary Alyssum
Leafy SpurgeLeafy Spurge
Oxeye DaisyOxeye Daisy
St. JohnswortSt. Johnswort
Spotted KnapweedSpotted Knapweed
Sulfur CinquefoilSulfur Cinquefoil
Tall ButtercupTall Buttercup
Common ToadflaxYellow Toadflax