Calflora, a 501c3 non-profit
Distribution by County   254    
Alnus viridis  (Chaix) Lam. & DC.  ssp. sinuata  (Regel) Á. Löve & D. Löve
Sitka alder
Alnus viridis ssp. sinuata is a tree or shrub that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Del Norte: 38 Shasta: 4 Tehama: 1
Humboldt: 24 Siskiyou: 73 Trinity: 22

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]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 06/03/2023).