Arabis aculeolata is a perennial herb that is native to California, and also found in Oregon.
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).
[Wikipedia] Limited Range: It is native to a small range in the mountains of southern Oregon, where it is an uncommon member of the serpentine soils flora. It is commonly found in the counties of Del Norte and Siskiyou in California.[1] It is found in the counties of Curry, Josephine, Jackson, and Douglas in Oregon.[4] (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: 03/30/2025).
one or more occurrences