[wikipedia] Range, Habitat: Diplacus pulchellus is endemic to the Sierra Nevada foothills of California, where it can be found at vernal pools, meadows, and other wet, open habitat. (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: 03/28/2025).