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Juniperus coahuilensis - Juniperus deppeana - Juniperus monosperma / Grass Understory Open Woodland Alliance | NatureServe Biotics 2019
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Name: Juniperus coahuilensis - Juniperus deppeana - Juniperus monosperma / Grass Understory Open Woodland Alliance
Reference: NatureServe Biotics 2019
Description: This Madrean juniper savanna and woodland alliance occurs in lower foothills and plains of southeastern Arizona and southern New Mexico, extending into western Texas and Mexico. These savannas and open woodlands have widely spaced mature juniper trees (5-25% cover) and moderate to high cover of perennial graminoids (&gt;25% cover). Shrubs are absent or have low cover when compared to the abundant graminoid layer. The presence of Madrean junipers <i>Juniperus coahuilensis</i> or <i>Juniperus deppeana</i> is diagnostic. <i>Juniperus deppeana</i> has a broader range than this Madrean alliance, but is a diagnostic tree species of this wooded savanna alliance. <i>Juniperus monosperma</i> trees may be present to sole canopy dominant when diagnostic Madrean understory species such as <i>Muhlenbergia pauciflora, Muhlenbergia setifolia</i>, and <i>Schizachyrium cirratum</i> are present. Stands occur primarily on flat ridge summits and upper and lower slopes of foothills, and alluvial fans ranging from 1100-2100 m elevation. Substrates are generally shallow rocky soils, but include deeper loamy soils, especially on sites where junipers have recently colonized. 
Accession Code: urn:lsid:vegbank.org:commConcept:38422-{21CDF11E-BAE0-4111-A24F-8AF93034D367}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 18-Dec-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899259 NatureServe ExplorerNatureServe Explorer logo
  Code: A3134
  Translated: Redberry Juniper - Alligator Juniper - One-seed Juniper / Grass Understory Open Woodland Alliance
  Common: Madrean Juniper / Grass Open Woodland
  Scientific: Juniperus coahuilensis - Juniperus deppeana - Juniperus monosperma / Grass Understory Open Woodland Alliance