Calflora, a 501c3 non-profit
Distribution by County   558    
Arctostaphylos hispidula  Howell
Howell's manzanita
Arctostaphylos hispidula is a shrub that is native to California, and also found in Oregon.
also called Arctostaphylos stanfordiana ssp. hispidula
California Rare Plant Rank: 4.2 (limited distribution).   CNDDB
Record Count by County

Del Norte: 130 Mendocino: 1 Sonoma: 17
Humboldt: 7 Siskiyou: 3

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:   (Accessed: 12/08/2022).