Taxon  Report   4036 
Helianthella castanea  Greene
Mt. diablo helianthella
Helianthella castanea
© 2007 Erin McDermott
More photos from
CalPhotos / Calflora
Helianthella castanea
© 2010 Sangeet Khalsa
Helianthella castanea
© 2015 Zoya Akulova
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 + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Helianthella castanea
© 2013 Christopher Bronny
Genus: Helianthella
Chaparral, Foothill Woodland, Northern Coastal Scrub, Valley Grassland
Habitat: riparian
Distribution by County 

Add an Observation of  Helianthella castanea

Name Status:
Accepted by JEF + CNPS + PLANTS + JM93
More information about  Helianthella castanea
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Aug 15, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.