Diffuse Knapweed
April 3, 2025
Diffuse knapweed identification and control: Centaurea diffusa - King County Diffuse Knapweed | National Invasive Species Information Center Washington State Noxious Weed Control Board Diffuse knapweed identification and control: Centaurea diffusa - King County Diffuse Knapweed | Jefferson County, CO Centaurea diffusa - Wikipedia | Diffuse Knapweed