Calflora, a 501c3 non-profit
Distribution by County   7544    
Sibara filifolia  (Greene) Greene
Island rockcress,   Santa cruz island rock cress,   Santa cruz island winged rockcress
Sibara filifolia is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).
Federal status: Endangered.
Record Count by County

Los Angeles: 31 Santa Barbara: 5

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: 06/20/2024).