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Juniperus coahuilensis - Juniperus deppeana - Juniperus monosperma / Shrub Understory Open Woodland Alliance | NatureServe Biotics 2019
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Name: Juniperus coahuilensis - Juniperus deppeana - Juniperus monosperma / Shrub Understory Open Woodland Alliance
Reference: NatureServe Biotics 2019
Description: This Madrean juniper woodland alliance occurs in lower foothills and plains of southeastern Arizona and southern New Mexico, extending into western Texas and Mexico. These open to moderately dense woodlands have 10-60% cover dominated by juniper trees with shrubs in the understory, forming an open to dense, short-shrub layer. Perennial graminoid cover is typically low and patchy because of high shrub cover or rocky sites. If grass cover is abundant, then shrubs form a distinct layer. The lack of pinyon trees and presence of Madrean juniper species <i>Juniperus coahuilensis</i> or <i>Juniperus deppeana</i> with shrubs in the understory is diagnostic of alliance. <i>Juniperus monosperma</i> trees may be present to sole canopy dominate when diagnostic Madrean understory species are present. Characteristic shrubs include <i>Agave lechuguilla, Arctostaphylos pungens, Canotia holacantha, Ceanothus greggii, Cercocarpus montanus, Larrea tridentata, Nolina microcarpa, Prosopis glandulosa, Quercus grisea, Quercus turbinella</i>, and <i>Rhus trilobata</i>. Stands are typically found on cool aspects of steep scarp slopes at elevations of 1100 to 2200 m. Substrates are generally shallow, rocky soils. 
Accession Code: urn:lsid:vegbank.org:commConcept:38421-{27E05BFD-AAA4-4088-9011-743217EF4041}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 18-Dec-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899258 NatureServe ExplorerNatureServe Explorer logo
  Code: A3133
  Translated: Redberry Juniper - Alligator Juniper - One-seed Juniper / Shrub Understory Open Woodland Alliance
  Common: Madrean Juniper / Shrub Open Woodland
  Scientific: Juniperus coahuilensis - Juniperus deppeana - Juniperus monosperma / Shrub Understory Open Woodland Alliance