Taxon  Report   3554    
Euphorbia exstipulata  Engelm.  var. exstipulata 
Clark Mountain spurge
Euphorbia exstipulata var. exstipulata
© 2009 Lee Ripma
Photos from
CalPhotos / Calflora
Euphorbia exstipulata var. exstipulata
© 2012 Keir Morse
Euphorbia exstipulata var. exstipulata
© 2012 Keir Morse
Euphorbia exstipulata var. exstipulata, a dicot, is an annual herb that is native to California, is also found elsewhere in North America and beyond, (questionable).
CNPS Rare Plant Rank: 2B.1 (rare, threatened, or endangered in CA; common 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
Euphorbia exstipulata var. exstipulata
© 2012 Duncan S. Bell
Communities: Creosote Bush Scrub


Name Status:
Accepted by JEF + CNPS

More information about  Euphorbia exstipulata var. exstipulata
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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Dec 16, 2018).