Calflora, a 501c3 non-profit
Distribution by County   4428    
Juglans californica  S. Watson
Southern black walnut,   Southern california walnut,   Southern california black walnut
Juglans californica is a tree that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 4.2 (limited distribution).
Record Count by County

Contra Costa: 1 Nevada: 1 San Bernardino: 149 Santa Barbara: 51
Kern: 1 Orange: 173 San Diego: 55 Santa Clara: 3
Los Angeles: 1526 Riverside: 77 San Luis Obispo: 14 Sonoma: 2
Monterey: 6 San Benito: 4 San Mateo: 2 Ventura: 414

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: 12/03/2024).