Calflora, a 501c3 non-profit
Distribution by County   9789    
Centaurea calcitrapoides  L.
Smallhead star thistle
Centaurea calcitrapoides is an annual or perennial herb that is not native to California.
Record Count by County

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: 03/01/2024).