Pest Tracker
Exotic Pest Reporting
King County Washington.gov |
Meadow knapweed
Centaurea debeauxii thuillieri Meadow knapweed (Centaurea debeauxii thuillieri) is an invasive plant. It was first detected in Washington in 1984. Meadow knapweed spreads very rapidly and is listed as a noxious weed. |
News