Calflora, a 501c3 non-profit
Distribution by County   3015    
Epilobium rigidum  Hausskn.
Siskiyou mtns. willowherb,   Stiff willowherb
Epilobium rigidum is a perennial herb that is native to California, and also found in Oregon.
California Rare Plant Rank: 4.3 (limited distribution).   CNDDB
Record Count by County

Del Norte: 90 Siskiyou: 2 Trinity: 1

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: 11/27/2022).