Calflora, a 501c3 non-profit
Distribution by County   7739    
Spiraea douglasii  Hook.
Douglas spiraea,   Douglas' spirea,   Douglas's spirea,   Rose spirea
Spiraea douglasii is a shrub that is native to California, and also found elsewhere in western North America.
Record Count by County

Butte: 46 Lassen: 15 Riverside: 1 Tehama: 27
Del Norte: 2 Mendocino: 7 San Francisco: 1 Trinity: 24
El Dorado: 3 Nevada: 20 Shasta: 49
Humboldt: 46 Placer: 5 Sierra: 8
Lake: 1 Plumas: 96 Siskiyou: 21

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: 11/21/2024).