Calflora, a 501c3 non-profit
Distribution by County   2145    
Cirsium ochrocentrum  A. Gray
Beaumont thistle,   Yellow spined thistle
Cirsium ochrocentrum is a perennial herb that is not native to California.

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: 06/22/2024).