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Diffuse knapweed (Centaurea diffusa Lam.)

Diffuse knapweed is perennial, biennial, or sometimes annual weed that produces new shoots from a tap root each year. White or purple flowers appear at the end of each shoot. A single large stem and many branches and leaves are a sage green color. It differs from spotted knapweed in that it has a terminal spine instead of many branches from the base.

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Sublette County Weed & Pest

PO Box 729

12 South Bench Road

Pinedale, WY 82941

Phone: 307-367-4728

Fax: 307-367-3313

Email: scwpoffice@gmail.com

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