Centaurea

Scientific Name Centaurea stoebe L. ssp. australis (A. Kern) Greuter Family Asteraceae Common Names spotted knapweed Eastern Washington European Conservation Status Notes Click on any image to enlarge it.

Scientific Name Centaurea solstitialis L. Family Asteraceae Common Names yellow star-thistle, St. Barnaby’s thistle Eastern Washington Introduced Synonyms None Conservation Status Notes Washington State class B noxious weed Click on any image to enlarge it.

Scientific Name Centaurea jacea L. Family Asteraceae Common Names brown knapweed, brownray knapweed Eastern Washington Native Synonyms None Conservation Status Notes Click on any image to enlarge it.

Scientific Name Centaurea diffusa Lam. Family Asteraceae Common Names diffuse knapweed, tumble knapweed, white knapweed Eastern Washington Introduced Synonyms None Conservation Status Notes Click on any image to enlarge it.

Scientific Name Centaurea cyanus L. Family Asteraceae Common Names bachelor’s button, garden cornflower Eastern Washington Introduced Synonyms None Conservation Status Notes Click on any image to enlarge it.