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Larrea tridentata - Ambrosia dumosa - Psorothamnus (arborescens, fremontii) Desert Shrubland | NatureServe Biotics 2019
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Name: Larrea tridentata - Ambrosia dumosa - Psorothamnus (arborescens, fremontii) Desert Shrubland
Reference: NatureServe Biotics 2019
Description: This association is common in the Mojave Desert and southern Great Basin in California, Nevada and Arizona and has an open to intermittent shrub canopy (6-39% cover) codominated by <i>Larrea tridentata</i> and <i>Ambrosia dumosa</i> with <i>Psorothamnus arborescens</i> or <i>Psorothamnus fremontii</i> characteristically present. Herbaceous cover is variable and ranges from 0 to 21% cover. Common associates include <i>Eriogonum inflatum, Chaenactis</i> spp., and <i>Cryptantha</i> spp. Scattered emergent trees may be present with from 0 to 1% cover. Stands are found at low to upper elevations on variable slope positions with gentle to somewhat steep slopes (1-26°) and on variable aspects at 350 to 1550 m elevation. Soils are variable as well and are derived from a variety of substrates, though primarily alluvium with sediments of igneous and sedimentary rocks. 
Accession Code: urn:lsid:vegbank.org:commConcept:37487-{EA9356BB-E243-4D51-A5E2-C176E16C6328}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 27-Jul-2018 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.971999
  Code: CEPP006720
  Translated: Creosotebush - Burrobush - (Mojave Indigobush, Fremont's Smokebush) Desert Shrubland
  Scientific: Larrea tridentata - Ambrosia dumosa - Psorothamnus (arborescens, fremontii) Desert Shrubland