Calflora Taxon Report
Helianthella castanea  Greene
Mt. diablo helianthella
photo on Calflora
2025 Ken-ichi Ueda
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2020 R.A. Chasey
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2019 David Greenberger
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2019 John Rawlings
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2020 Tina Curiel
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2023 Ken-ichi Ueda
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2023 Scott Yarger
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2022 R.A. Chasey
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2022 R.A. Chasey
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2022 Ellen Uhler
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2022 Ellen Uhler
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2022 Ellen Uhler
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2022 Ellen Uhler
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2023 Ken-ichi Ueda
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2020 R.A. Chasey
photo on Calflora
2022 Michael L. Uhler
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2020 R.A. Chasey
photo on Calflora
2019 John Rawlings
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2019 John Rawlings
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2012 Scott Simono
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2017 Janet barton
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2021 Judy Schwartz
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2019 Robin Hunter
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2019 Adam Chasey
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2022 Michael L. Uhler
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2019 Adam Chasey
Helianthella castanea is a perennial herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
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: Helianthella
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot
Habitat: riparian

Communities: Northern Coastal Scrub, Foothill Woodland, Chaparral, Valley Grassland

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

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