Calflora, a 501c3 non-profit
Distribution by County   2050    
Chorizanthe rigida  (Torr.) Torr. & A. Gray
Devil's spineflower,   Rigid spiny herb
Chorizanthe rigida is an annual herb that is native to California, and also found elsewhere in western North America.

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: 07/18/2024).