Home/Species/ Square-seed Spurge

Euphorbia exstipulata

Engelm.

Square-seed Spurge

G5Secure Found in 3 roadless areas NatureServe Explorer →

G5SecureGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.134191

Element CodePDEUP0Q0P0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderEuphorbiales

FamilyEuphorbiaceae

GenusEuphorbia

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Taxonomic Comments

The Flora of North America (vol. 12 2016) does not recognize distinct varieties in Euphorbia exstipulata.

Conservation Status

Review Date1989-05-16

Change Date1989-05-16

Range Extent Comments

Square-seeded spurge is known from Utah, Arizona, and New Mexico, south to northern Mexico and western Texas, with a disjunct population in the Hartville Uplift of Platte County, Wyoming.

Ecology & Habitat

Other Nations (1)

United StatesNNR

Province	Rank	Native
Wyoming	SH	Yes
New Mexico	SNR	Yes
California	SNR	Yes
Oklahoma	S1	Yes
Colorado	S1	Yes
Texas	SNR	Yes
Arizona	SNR	Yes
Nevada	SNR	Yes
Utah	S1	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (3)

Arizona (2)

Area	Forest	Acres
Middle Dragoon Roadless	Coronado National Forest	10,543
Whetstone	Coronado National Forest	20,728

New Mexico (1)

Area	Forest	Acres
Little Dog And Pup Canyons	Lincoln National Forest	25,412

References (2)

Flora of North America Editorial Committee (FNA). 2016. Flora of North America north of Mexico. Vol. 12. Magnoliophyta: Vitaceae to Garryaceae. Oxford Univ. Press, New York. xxiv + 603 pp.
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.