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Yucca schidigera - Larrea tridentata - Ephedra nevadensis Shrubland | NatureServe Biotics 2019
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Name: Yucca schidigera - Larrea tridentata - Ephedra nevadensis Shrubland
Reference: NatureServe Biotics 2019
Description: This desert scrub association is found at mid to upper elevations in Mojave Desert in California. It is characterized by an open to moderately dense shrub canopy (9-32% cover) codominated by <i>Yucca schidigera, Larrea tridentata</i>, and <i>Ephedra nevadensis</i> with <i>Krameria erecta</i> and <i>Lycium andersonii</i> being characteristically present. Other desert shrubs are often present. Occasional emergent <i>Yucca brevifolia</i> trees are sometimes present. If present, the herbaceous layer is typically open, ranging up to 10% cover. Commonly associated native grasses and forbs include <i>Achnatherum speciosum, Amsinckia</i> spp., <i>Dasyochloa pulchella, Eriogonum inflatum, Sphaeralcea ambigua</i>, and <i>Xylorhiza tortifolia</i>, and exotic annuals include <i>Bromus rubens, Erodium cicutarium</i>, and <i>Schismus</i> spp. Stands occur primarily on rocky, mid to high slopes at 1050-1400 m elevation. Sites have gentle to steep slopes (to 27°) with southwesterly aspects, though sometimes northerly aspects. Soils are usually a mixture of loam and sand with occasionally a clay component, and are typically derived from igneous substrates such as granodiorite, basalt, rhyolite, or tephrite (basanite). 
Accession Code: urn:lsid:vegbank.org:commConcept:34455-{5C08ADD7-EF1F-4F04-BDE0-2D0B91827CE9}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 22-Nov-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.971789 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005782
  Translated: Mojave Yucca - Creosotebush - Nevada Joint-fir Shrubland
  Scientific: Yucca schidigera - Larrea tridentata - Ephedra nevadensis Shrubland