Calflora, a 501c3 non-profit
Distribution by County   2023    
Chorizanthe cuspidata  S. Watson
San francisco spineflower
Chorizanthe cuspidata is an annual herb that is native to California, and endemic (limited) 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: 07/22/2024).