Calflora Taxon Report
Lactuca virosa  L.
Bitter lettuce,   Poison wild lettuce
Lactuca virosa is a perennial herb that is not native to California.
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
DJJJASONAFMM

Bloom Period
Genus: Lactuca
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Toxicity: Do not eat any part of this plant.

Communities: Mixed Evergreen Forest, Coastal Prairie

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
POWOLactuca dregeana
Information about Lactuca virosa from other sources
Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

Accessed: