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 Joseph M. DiTomaso, University of California - Davis, Bugwood.org(1)
![Knapweed-Squarrose A close up of some flowers with the text " knapweed, squarrose ".](https://abinvasives.ca/wp-content/uploads/bb-plugin/cache/Knapweed-Squarrose-square-94241a16c82f0b8e8e0a102ee07bf9c1-5eea4e20a628a.jpg)
![Knapweed-Squarrose A close up of some flowers with the text " knapweed, squarrose ".](https://abinvasives.ca/wp-content/uploads/bb-plugin/cache/Knapweed-Squarrose-square-94241a16c82f0b8e8e0a102ee07bf9c1-5eea4e20a628a.jpg)