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Yucca elata - Ephedra torreyana / Bouteloua eriopoda Sandy Plains Semi-Desert Grassland Alliance | NatureServe Biotics 2019
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Name: Yucca elata - Ephedra torreyana / Bouteloua eriopoda Sandy Plains Semi-Desert Grassland Alliance
Reference: NatureServe Biotics 2019
Description: This Chihuahuan Desert grassland alliance is dominated by thick and often luxuriant <i>Bouteloua eriopoda</i> often with regularly scattered <i>Yucca elata</i> or <i>Ephedra torreyana</i> forming a conspicuous sparse shrub layer. Other common shrub associates include <i>Gutierrezia sarothrae</i> and <i>Opuntia phaeacantha</i>. The herbaceous layer is highly diverse; yet, among the 30 grasses known from the association, only <i>Sporobolus flexuosus</i> is an occasional codominant and well-represented. A wide variety of forbs are also possible (71 species). <i>Machaeranthera pinnatifida var. pinnatifida, Senecio flaccidus, Thelesperma megapotamicum</i>, and <i>Bahia absinthifolia</i> are the more constant species. This Chihuahuan Desert alliance occurs in south-central, southwestern and southeastern New Mexico and extends into the Trans-Pecos area of western Texas and into northern Mexico. Stands are most abundant on rolling sandy plains and scattered along the upper slopes of alluvial fans. Substrates are sand and loamy sand. 
Accession Code: urn:lsid:vegbank.org:commConcept:38531-{FE1DA971-2D12-4F46-88F0-BCADDF312CFD}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 18-Dec-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899368 NatureServe ExplorerNatureServe Explorer logo
  Code: A3244
  Translated: Soaptree Yucca - Torrey's Joint-fir / Black Grama Sandy Plains Semi-Desert Grassland Alliance
  Common: Black Grama Sandy Plains Semi-Desert Grassland
  Scientific: Yucca elata - Ephedra torreyana / Bouteloua eriopoda Sandy Plains Semi-Desert Grassland Alliance