Taxon  Report   4036    
Helianthella castanea  Greene
Mt. diablo helianthella
Helianthella castanea
© 2013 Christopher Bronny
Photos from
CalPhotos / Calflora
Helianthella castanea
© 2007 Erin McDermott
Helianthella castanea
© 2010 Sangeet Khalsa
Helianthella castanea, a dicot, is a perennial herb that is native to California, is endemic (limited) to California.
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Helianthella castanea
© 2012 Scott Simono
Genus: Helianthella
Communities: Chaparral, Foothill Woodland, Northern Coastal Scrub, Valley Grassland

Habitat: riparian

Name Status:
Accepted by JEF + CNPS + PLANTS

More information about  Helianthella castanea
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 16, 2019).