Calflora, a 501c3 non-profit
Distribution by County   7000    
Quercus kelloggii  Newb.
Black oak,   California black oak
Quercus kelloggii is a tree that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 33 Lassen: 149 Riverside: 158 Siskiyou: 26
Amador: 57 Los Angeles: 72 Sacramento: 1 Solano: 12
Butte: 245 Madera: 31 San Benito: 20 Sonoma: 348
Calaveras: 72 Marin: 181 San Bernardino: 131 Stanislaus: 2
Colusa: 5 Mariposa: 192 San Diego: 206 Sutter: 3
Contra Costa: 45 Mendocino: 107 San Francisco: 1 Tehama: 110
El Dorado: 244 Modoc: 14 San Luis Obispo: 16 Trinity: 144
Fresno: 172 Monterey: 71 San Mateo: 69 Tulare: 361
Glenn: 8 Napa: 87 Santa Barbara: 13 Tuolumne: 126
Humboldt: 84 Nevada: 143 Santa Clara: 127 Ventura: 19
Inyo: 49 Orange: 6 Santa Cruz: 35 Yuba: 70
Kern: 139 Placer: 158 Shasta: 125
Lake: 44 Plumas: 302 Sierra: 59

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).