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Ephedra viridis Shrubland | NatureServe Biotics 2019
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Name: Ephedra viridis Shrubland
Reference: NatureServe Biotics 2019
Description: This association is found at upper elevations in the Mojave Desert in California, Nevada and Arizona. It is characterized by a sparse to open shrub canopy (3-15% cover) that is dominated by <i>Ephedra viridis</i> with <i>Gutierrezia sarothrae</i> often present. Other shrubs sometimes present include <i>Ericameria teretifolia, Eriogonum fasciculatum, Salazaria mexicana</i>, and <i>Tetradymia stenolepis</i>. Herbaceous cover is variable but typically sparse (&lt;10%) with common associates <i>Achnatherum speciosum, Ambrosia acanthicarpa, Datura wrightii, Poa secunda, Stephanomeria exigua</i>, and invasive exotics <i>Bromus rubens</i> and <i>Salsola tragus</i>. Scattered <i>Yucca brevifolia</i> may be present with &lt;0.5% cover. Biological soil crusts are common. Stands occur in rocky hills, ridges and bedrock slopes and cliffs at low to upper elevations (180-2150 m). Sites are primarily on low to mid slopes to ridges often with cool, northerly aspects with moderate to steep (11-38°) slopes. Soils are shallow and rocky clay loams that are derived from both igneous and sedimentary parent materials such as granodiorite, rhyolite, claystone, limestone, or shale. 
Accession Code: urn:lsid:vegbank.org:commConcept:37470-{A25B26A7-53CE-4DB6-83C4-F72D9DB8E6CC}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 20-Aug-2018 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.972058
  Code: CEPP006703
  Translated: Mormon-tea Shrubland
  Scientific: Ephedra viridis Shrubland