Calflora, a 501c3 non-profit
Distribution by County   11495    
Centaurea jacea  L.  ssp. jacea 
Brown knapweed
Centaurea jacea ssp. jacea is a perennial herb that is not native to California.
Record Count by County

Del Norte: 1

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 02/22/2024).