[efloras.org] Habitat, Range: Flowering Feb. to Mar. Rocky areas and gravelly soil in chaparral and oak-pine savannas; of conservation concern; 1300 to 1700 m; Calif. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 05/13/2025).