Calflora, a 501c3 non-profit
Distribution by County   4287    
Hydrophyllum occidentale  (S. Watson) A. Gray
California waterleaf, Western waterleaf
Hydrophyllum occidentale is a perennial 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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 02/10/2026).