Regulated Act: Alberta Weed Control Act
Provincial Designation: Prohibited Noxious
Colour: Pink
Latin Name: Centaurea virgata Lam. ssp. Squarrosa
Fact Sheet1: Click Here to View/Download PDF
Knapweed, squarrose Photo Credit Cindy Roche, Bugwood.org
Knapweed, squarrose Photo Credit Joseph M. DiTomaso, University of California - Davis, Bugwood.org(1)
Knapweed, squarrose Photo Credit Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Knapweed, squarrose Photo Credit Steve Dewey, Utah State University, Bugwood.org
Knapweed, squarrose Photo Credit USDA ARS , USDA Agricultural Research Service, Bugwood.org
