Calflora
Distribution by County   11264    
Arabis mcdonaldiana  Eastw.
Mcdonald's rock cress
Arabis mcdonaldiana, a dicot, is a perennial herb that is native to California, and also found in Oregon.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).   CNDDB
State of California status: Endangered. Federal status: Endangered.
Record Count by County

Del Norte: 51 Mendocino: 14 Siskiyou: 11

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 06/28/2022).