Calflora
Taxon  Report   4428    
Juglans californica  S. Watson
Southern black walnut,   Southern california walnut,   Southern california black walnut
Juglans californica, a dicot, is a tree that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 4.2 (limited distribution).   CNDDB
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
(911 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: Juglandaceae  
Genus: Juglans

Toxicity: DERMATITIS Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Communities: Southern Oak Woodland, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS
Alternate Names:
JEF + CNPS + PLANTSJuglans californica var. californica
PLANTSJuglans californica var. quercina
More information about  Juglans californica

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]. 2021. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 10/16/2021).