Calflora Taxon Report
Helianthus bolanderi  A. Gray
Bolander's sunflower, Serpentine sunflower
photo on Calflora
2013 Bob Case
photo on Calflora
2022 Paul Watts
photo on Calflora
2022 Alaine Arslan
photo on Calflora
2022 Alaine Arslan
photo on Calflora
2023 Ryan O'Dell
photo on Calflora
2022 Paul Watts
photo on Calflora
2023 Ryan O'Dell
photo on Calflora
2025 Rebecca Otto
photo on Calflora
2025 Rebecca Otto
photo on Calflora
2025 Rebecca Otto
photo on Calflora
2025 R.A. Chasey
photo on Calflora
2025 R.A. Chasey
photo on Calflora
2025 R.A. Chasey
photo on Calflora
2025 Rhonda Allen
photo on Calflora
2022 Alaine Arslan
photo on Calflora
2023 Ryan O'Dell
Helianthus bolanderi is an annual or 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
Genus: Helianthus
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot
Wetlands: Equally likely to occur in wetlands and non wetlands

Habitat: seeps, slopes

Communities: Yellow Pine Forest, Foothill Woodland, Chaparral, wetland-riparian

Name Status:
Accepted by JEF + PLANTS + POWO
External links:
Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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