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Larrea tridentata - Ambrosia dumosa - Senna armata Desert Shrubland | NatureServe Biotics 2019
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Name: Larrea tridentata - Ambrosia dumosa - Senna armata Desert Shrubland
Reference: NatureServe Biotics 2019
Description: This association is found across the Mojave Desert south to the Colorado and Sonoran deserts in California and has an open to intermittent shrub canopy codominated by <i>Larrea tridentata</i> and <i>Ambrosia dumosa</i> with <i>Senna armata</i>. Other shrubs often present include <i>Cylindropuntia echinocarpa, Cylindropuntia ramosissima, Eriogonum fasciculatum, Hymenoclea salsola, Krameria</i> spp., <i>Salazaria mexicana</i>, and <i>Thamnosma montana</i>. Herbaceous cover is variable with <i>Pleuraphis rigida</i> a common associate. If present, emergent trees have sparse cover. Stands occur along wash margins or bajada/alluvial fans usually on gentle aspects (to 10°) at 432 to 1100 m elevation. Sites are typically found in positions slightly higher up the fan and along less frequently flooded washes and channels that are concave, undulating, or hummocky or swaley in topography. The upper bajadas are underlain by pediment. Substrates are gravelly or cobbly alluvium. 
Accession Code: urn:lsid:vegbank.org:commConcept:37488-{CFE1ACFC-F9C8-49E7-904C-D77B4B0F844B}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 23-Apr-2018 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.972004
  Code: CEPP006721
  Translated: Creosotebush - Burrobush - Desert Senna Desert Shrubland
  Scientific: Larrea tridentata - Ambrosia dumosa - Senna armata Desert Shrubland