Calflora, a 501c3 non-profit
Distribution by County   541    
Arctostaphylos columbiana  Piper
Hairy manzanita,   Redwood manzanita
Arctostaphylos columbiana is a tree or shrub that is native to California, and also found elsewhere in western North America.
also called Arctostaphylos columbiana f. tracyi
Record Count by County

Del Norte: 5 Lake: 1 Mendocino: 422 Sonoma: 59
Humboldt: 83 Marin: 6 Napa: 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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/21/2024).