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Psorothamnus fremontii - Psorothamnus polydenius Desert Wash Scrub Alliance | NatureServe Biotics 2019
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Name: Psorothamnus fremontii - Psorothamnus polydenius Desert Wash Scrub Alliance
Reference: NatureServe Biotics 2019
Description: The alliance forms an open shrub layer. Dominant and characteristic shrubs include <i>Psorothamnus fremontii, Psorothamnus arborescens</i>, or <i>Psorothamnus polydenius</i>. Other shrubs that are often present include <i>Ambrosia dumosa</i> and <i>Larrea tridentata</i>. The emergent tree layer is sparse if present, and the herbaceous layer is sparse to open. Herbs that are often present include <i>Sphaeralcea ambigua</i>. Commonly associated nonvascular plants include cryptogamic crust. The alliance is found in desert areas of Arizona, California and Nevada. It occurs primarily in alluvial fans, dry washes, lower slopes, and sand dunes, and often occurs in sites that experience disturbance from flooding to shifting substrates. Elevations range from approximately 390 to 1610 m. Soils are derived from a variety of substrates including alluvium, dune sand, volcanic, and sedimentary rock, and soil textures are sand to sandy loam. 
Accession Code: urn:lsid:vegbank.org:commConcept:39385-{D03D941B-B67B-4217-A60A-BF6A95EF9811}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 27-Jul-2018 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.943943 NatureServe ExplorerNatureServe Explorer logo
  Code: A4186
  Translated: Fremont's Smokebush - Nevada Smokebush Desert Wash Scrub Alliance
  Common: Smokebush Desert Wash Scrub
  Scientific: Psorothamnus fremontii - Psorothamnus polydenius Desert Wash Scrub Alliance