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Taxon  Report  
Euphorbia exstipulata  Engelm.  var. exstipulata 
Clark Mountain spurge
Euphorbia exstipulata var. exstipulata is an annual herb that is native to California, and also found elsewhere in North America and beyond.
California Rare Plant Rank: 2B.1 (rare, threatened, or endangered in CA; common elsewhere).   CNDDB
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
Observation Search
(39 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Parent: Euphorbia exstipulata
Genus: Euphorbia
Family: Euphorbiaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Toxicity: MINOR, DERMATITIS

Communities: Creosote Bush Scrub

Name Status:
Accepted by JEF + CNPS
More information about  Euphorbia exstipulata var. exstipulata

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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 08/16/2022).