Calflora, a 501c3 non-profit
Distribution by County   7156    
Robinia pseudoacacia  L.
Black locust
Robinia pseudoacacia is a tree that is not native to California.
Cal-IPC rating: limited
Record Count by County

Alameda: 16 Lake: 19 Plumas: 5 Sierra: 10
Amador: 6 Lassen: 11 Riverside: 15 Siskiyou: 3
Butte: 94 Los Angeles: 183 Sacramento: 75 Solano: 17
Calaveras: 7 Marin: 22 San Benito: 11 Sonoma: 21
Colusa: 7 Mariposa: 108 San Bernardino: 84 Stanislaus: 7
Contra Costa: 14 Mendocino: 16 San Diego: 59 Sutter: 13
Del Norte: 2 Merced: 6 San Francisco: 2 Tehama: 7
El Dorado: 29 Modoc: 7 San Joaquin: 9 Trinity: 32
Fresno: 1 Mono: 3 San Luis Obispo: 17 Tulare: 9
Glenn: 1 Monterey: 15 San Mateo: 28 Tuolumne: 2
Humboldt: 17 Napa: 13 Santa Barbara: 23 Ventura: 18
Inyo: 41 Nevada: 26 Santa Clara: 21 Yolo: 24
Kern: 12 Orange: 57 Santa Cruz: 14 Yuba: 31
Kings: 4 Placer: 23 Shasta: 69

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).