Calflora
Taxon  Report   4025    
Helenium amarum  (Raf.) H. Rock
Yellow sneezeweed,  Yellowdicks
Helenium amarum, a dicot, is an annual herb that is not native to California; it has been naturalized in the wild.
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

Bloom Period
Family: ASTERACEAE  
Genus: Helenium
Subspecies and Varieties:

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Habitat: disturbed

Communities: weed, characteristic of disturbed places

Name Status:
Accepted by ICPN + PLANTS

Alternate Names:
ICPN: Gaillardia amara
More information about  Helenium amarum
Nursery availability from CNPLX
Commercial availability unknown.
USDA PLANTS Profile (HEAM)

BONAP Distribution Map


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Oct 25, 2020).