Calflora, a 501c3 non-profit
Distribution by County   8429    
Crataegus monogyna  Jacq.
Hawthorn
Crataegus monogyna is a shrub that is not native to California.
Cal-IPC rating: limited
Record Count by County

Alameda: 7 Marin: 550 San Francisco: 7 Siskiyou: 2
Butte: 17 Mendocino: 5 San Mateo: 85 Solano: 1
Contra Costa: 5 Napa: 9 Santa Clara: 9 Sonoma: 13
El Dorado: 2 Nevada: 29 Santa Cruz: 5 Sutter: 1
Humboldt: 14 Placer: 7 Shasta: 1 Yuba: 4
Kern: 1 Sacramento: 4 Sierra: 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).