Martínez Gaussen ex R.P.Adams
The shrubby tree is found in northern Mexico and areas of the Southwestern United States within central and southeastern Arizona, southwestern New Mexico, and West Texas including Big Bend National Park. 
This species occurs in high desert grasslands at elevations of 1,200–2,000 metres (3,900–6,600 ft), in Bouteloua spp. grasslands and adjacent rocky areas.  In Mexico, it can also occurs in canyons or and alluvial fans. In the Chihuahuan Desert and Sonoran Desert ecoregions, it often in association with Opuntia spp. and/or Yucca spp. 
Juniperus coahuilensis grows as a large shrubby tree up to 8 metres (26 ft) tall. It is usually multi-trunked.  The bark is brown to gray, exfoliating in long strips on mature trunks and branches. 
The leaves are green to light green, and have glands that can produce a white crystalline exudate. 
This species is unusual in that it sprouts from the stump when cut or burned, which has probably allowed it to remain in the grasslands in spite of periodic grass fires that kill all other juniper species. 
The species is known to have been present during the Late Wisconsin Glacial Episode of the Last glacial period, in North American latitudes defined by fossils from the Waterman Mountains in present-day Arizona.
- Conifer Specialist Group. 1998. Juniperus coahuilensis. 2006 IUCN Red List of Threatened Species. Downloaded on 10 July 2007.
- C. Michael Hogan. 2009. Elephant Tree: Bursera microphylla, GlobalTwitcher.com, ed. N. Stromberg
- Conifer Specialist Group. 1998
- "Juniperus coahuilensis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 27 May 2015.
- Google Books.com: Trees of Western North America; by Richard Spellenberg, Christopher J. Earle, Gil Nelson; pg 44-45, Juniperus coahuilensis treatment.
- IUCN Red List: Juniperus coahuilensis . accessed 2 February 2017.
- C. Michael Hogan. 2009
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