logo Calflora, a 501c3 non-profit
Taxon  Report  
SIGN IN - REGISTER
Hazardia whitneyi  (A. Gray) Greene
Whitney's bristleweed
© 2017 Steve Matson
© 2017 Steve Matson
© 2017 Steve Matson
© 2017 Steve Matson
© 2022 Mike Russler
© 2022 Mike Russler
© 2022 Mike Russler
© 2019 John Game
© 2022 Mike Russler
© 2014 Bill Thiessen
© 2017 Steve Matson
© 2022 Mike Russler
Hazardia whitneyi 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
DJJJASONAFMM

Bloom Period
Subspecies and Varieties:
Genus: Hazardia
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Habitat: slopes

Communities: Red Fir Forest, Lodgepole Forest

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
POWOAdeia whitneyi
Information about  Hazardia whitneyi from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (HAWH3)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net


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: 03/28/2025).