Romneya trichocalyx Eastw.
Bristly matilija poppy, Hairy matilija poppy
©
2022 Ken Lunders © 2025 Ron Vanderhoff © 2019 Bryant Baker © 2005 Brent Miller © 2012 Sherie Hubble © 2020 David Greenberger © 2021 Darl J. Dumont © 2025 Ron Vanderhoff © 2025 Ron Vanderhoff © 2025 Ron Vanderhoff © 2023 David Wolfson © 2012 Sherie Hubble © 2012 Sherie Hubble © 2012 Sherie Hubble © 2020 Kimberly Coates © 2020 Kimberly Coates © 2021 Ken Lunders © 2021 Linda Pardy © 2020 Bob Dollins © 2003 Hartmut Wisch
Romneya trichocalyx is a
perennial herb that is
native to California, and found only slightly beyond California borders.
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
Romneya trichocalyx
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: 05/02/2025).