Calflora, a 501c3 non-profit
Distribution by County   4510    
Kallstroemia californica  (S. Watson) Vail
California caltrop,   California kallstroemia
Kallstroemia californica 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]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 03/22/2023).