Sonchus oleraceus L.
Common sow thistle, Common sowthistle, Sow thistle
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2019 Diane Etchison © 2015 Jesse Rorabaugh © 2024 Ron Vanderhoff © 2014 Bryan Derr © 2023 Ron Vanderhoff © 2023 Destiny Arellano © 2024 Mike Russler © 2019 Ed McCarthy © 2016 Andrew Longman © 2016 Andrew Longman © 2024 Mike Russler © 2024 Mike Russler © 2024 Ron Vanderhoff © 2012 Demo Calflora © 2023 Ron Vanderhoff © 2024 Mike Russler © 2023 Donald Burk © 2023 Donald Burk © 2004 Laura Ann Eliassen
Sonchus oleraceus is an
annual 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
Information about
Sonchus oleraceus
Calflora :
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.
The Calflora Database
[a non-profit organization].
Available:
https://www.calflora.org/
(Accessed: 03/28/2025).
