Diffuse knapweed (Centaurea diffusa) is an annual, biennial, or short-lived perennial forb native to southeast Europe and western Asia. It was introduced into the U.S. as a contaminate in seed. It is ...
Landowners can reserve a release of weevils that control knapweed. The releases are free and are provided by the Whitehall Project. Contact Todd at 406-498-5236 or Bryce at 406-533-5672 to reserve a ...
After diffuse knapweed germinates, it develops into a rosette with grayish green leaves that are finely divided. As the plant bolts and matures, leaves develop short dense hair. Leaves located toward ...
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