Thlaspi arvense L.
Fan weed, Field pennycress
©
2020 Bob Sweatt © 2023 Donald Burk © 2020 Bob Sweatt © 2022 Michelle Peruzzi © 2021 Ramona Robison © 2021 stephen rosenthal © 2021 Ramona Robison © 2021 stephen rosenthal © 2021 Ramona Robison © 2024 R.A. Chasey © 2021 Ramona Robison © 2021 Ramona Robison © 2020 Bob Sweatt
Thlaspi arvense 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
Thlaspi arvense
from other sources
Suggested Citation
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: 03/29/2025).