Taxon  Report   10472 
Sidotheca emarginata  (H. M. Hall) Reveal
White margined oxytheca
Sidotheca emarginata
© 2008 Jordan Zylstra
More photos from
CalPhotos / Calflora
Sidotheca emarginata
© 2009 Thomas Stoughton
Sidotheca emarginata
© 2009 Neal Kramer
Sidotheca emarginata, a dicot, is an annual herb that is native to California, is endemic (limited) to California.
also called Oxytheca emarginata
CNPS Rare Plant Rank: 1B.3 (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
Sidotheca emarginata
© 2014 Keir Morse
Genus: Sidotheca
Yellow Pine Forest, Pinyon-Juniper Woodland
Distribution by County 

Add an Observation of  Sidotheca emarginata

Name Status:
Accepted by JEF + CNPS
Alternate Names:
(according to)

ICPN + CNPS: Oxytheca emarginata
More information about  Sidotheca emarginata
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

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Aug 21, 2018).

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