Calflora
Taxon  Report   8015    
Toxicodendron diversilobum  (Torr. & A. Gray) Greene
Poison oak,  Poisonoak
Toxicodendron diversilobum, a dicot, is a vine or shrub that is native to California, is also found outside of California, but is confined to western North America.
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

Bloom Period
Family: ANACARDIACEAE  
Genus: Toxicodendron

Toxicity: DERMATITIS

Wetlands:
Arid West: Occurs usually in non wetlands, occasionally in wetlands
Mountains, Valleys and Coast: Equally likely to occur in wetlands and non wetlands

Habitat: slopes

Communities: Yellow Pine Forest, Foothill Woodland, Chaparral, Valley Grassland, (many plant communities)

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
JEF + PLANTS: Rhus diversiloba
PLANTS: Toxicodendron radicans ssp. diversilobum
More information about  Toxicodendron diversilobum
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (TODI)


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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Jul 04, 2020).