Calflora, a 501c3 non-profit
Distribution by County   7164    
Rorippa columbiae  (S. Watson) Howell
Columbia yellow cress,   Columbian yellowcress
Rorippa columbiae is a perennial herb (rhizomatous) that is native to California, and also found elsewhere in western North America.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
Record Count by County

Humboldt: 1 Lassen: 5 Modoc: 22 Siskiyou: 24

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 03/29/2024).