[Wikipedia] Limited Range, Habitat: It is endemic to California, where it is known only from the Santa Lucia Mountains along the Central Coast and an additional isolated population in Santa Barbara County.[4][5] Ribes sericeum grows on streambanks in forests and scrub 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: 03/31/2025).