Regulated Act: Alberta Weed Control Act
Provincial Designation: Prohibited Noxious
Colour: Yellow
Latin Name: Centaurea macrocephala
Fact Sheet1: Click Here to View/Download PDF
![knapweed,Bighead A yellow flower with green leaves on the side.](https://abinvasives.ca/wp-content/uploads/bb-plugin/cache/knapweedBighead-square-cbf3bf1e179469da327279d7d85198fd-5eea4e20a628a.jpg)
![knapweed,Bighead A yellow flower with green leaves on the side.](https://abinvasives.ca/wp-content/uploads/bb-plugin/cache/knapweedBighead-square-cbf3bf1e179469da327279d7d85198fd-5eea4e20a628a.jpg)
Regulated Act: Alberta Weed Control Act
Provincial Designation: Prohibited Noxious
Colour: Yellow
Latin Name: Centaurea macrocephala
Fact Sheet1: Click Here to View/Download PDF