Calflora, a 501c3 non-profit
Distribution by County   2412    
Crataegus douglasii  Lindl.
Black hawthorn,   Douglas' hawthorn
Crataegus douglasii is a tree or shrub that is native to California.
also called Crataegus columbiana
Record Count by County

Alpine: 4 Mendocino: 1 Shasta: 10 Trinity: 7
Humboldt: 3 Plumas: 5 Siskiyou: 1
Kern: 1 San Mateo: 3 Sonoma: 24
Lassen: 2 Santa Clara: 1 Tehama: 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: 11/23/2024).