Calflora, a 501c3 non-profit
Distribution by County   11404    
Boechera perennans  (S. Watson) W.A. Weber
Perennial rockcress
Boechera perennans is a perennial herb that is native to California, and also found elsewhere in western North America.
also called Arabis perennans
Record Count by County

Imperial: 6 Los Angeles: 4 San Bernardino: 241
Inyo: 41 Mono: 2 San Diego: 98
Kern: 3 Riverside: 39 Santa Barbara: 1

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: 01/14/2026).