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Populus fremontii / Baccharis sergiloides Woodland | NatureServe Biotics 2019
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Name: Populus fremontii / Baccharis sergiloides Woodland
Reference: NatureServe Biotics 2019
Description: This association is currently described only from the Mojave Desert Network. Additional global information will be added as it becomes available. It is found uncommonly in Lake Mead National Recreation Area, Nevada, such as in Grapevine Canyon of the Newberry Mountains, and also in the Mojave National Preserve, California, including a few canyons of the Granite and New York mountains. Its habitat is primarily drainage channels within canyons or bases of slopes that are spring-fed and often with running water. Sites are at mid to upper elevations (ranging from approximately 750-1650 m), and average 1137 m. Slopes are gentle to moderate (1-12°), and aspects are variable. Soils range from loamy sand to sand and are derived from alkali-granite (alaskite) and granodiorite substrate. Vegetation forms an open to intermittent tree canopy, in which tree cover ranges from 9 to 46%. The shrub layer is variable and ranges from 30 to 75% cover, and the herb understory is also variable and ranges from 3 to 39% cover. <i>Populus fremontii</i> is dominant in the overstory tree layer, and <i>Baccharis sergiloides</i> is dominant to codominant in the shrub layer. Other commonly associated shrubs include <i>Artemisia ludoviciana, Rhus trilobata</i>, and <i>Acacia greggii</i>, and commonly associated herbs include <i>Bromus rubens, Sphaeralcea ambigua</i>, and various wetland plants, including <i>Carex</i> spp., <i>Juncus</i> spp., <i>Funastrum hirtellum, Mimulus guttatus, Polypogon monspeliensis</i>, and <i>Typha</i> spp. 
Accession Code: urn:lsid:vegbank.org:commConcept:37502-{4EC94B42-6E59-4448-8F57-2553BF009BFE}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 20-Jul-2018 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.972194
  Code: CEPP006735
  Translated: Fremont Cottonwood / Desert Baccharis Woodland
  Scientific: Populus fremontii / Baccharis sergiloides Woodland