Streptanthus farnsworthianus is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 4.3 (limited distribution).
[Wikipedia] Range, Taxonomy: It is endemic to California, where it is limited to the woodlands of the Sierra Nevada foothills. The plant was named for Evalyn Lucille Klein Farnsworth, a foothills cattle rancher and plant collector who first discovered it growing on her land. (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: 04/03/2025).
one or more occurrences