Calflora, a 501c3 non-profit
Distribution by County   4769    
Howell's lewisia
Lewisia cotyledon var. howellii is a perennial herb that is native to California, and also found in Oregon.
California Rare Plant Rank: 3.2 (needs review)
Record Count by County

Humboldt: 10 Shasta: 21 Siskiyou: 45 Trinity: 14

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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 10/16/2026).