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Purshia tridentata - Artemisia tridentata / Achnatherum hymenoides Shrubland | Western Ecology Working Group of...
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Name: Purshia tridentata - Artemisia tridentata / Achnatherum hymenoides Shrubland
Reference: Western Ecology Working Group of...
Description: This shrubland association is currently only known from Yosemite National Park in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. Stands of this association are found between 1980 and 2380 m (6500-7800 feet) elevation on northeast to southeast aspects. Slopes vary from flat to somewhat steep, and stands prefer lower slope positions. Soils are sand to sandy loam, usually derived from granitic rock. This vegetation is characterized by an open to intermittent short-shrub canopy between 0.5-1 m in height. <i>Artemisia tridentata</i> and <i>Purshia tridentata</i> codominate, with trace amounts of <i>Chrysothamnus viscidiflorus</i> and <i>Prunus andersonii</i> often present. The herbaceous layer is sparse and dominated by graminoids. <i>Achnatherum hymenoides</i> is characteristic. Two forbs, <i>Gayophytum ramosissimum</i> and <i>Lupinus argenteus</i>, are often present in trace amounts. <i>Bromus tectorum</i> (exotic) is the most common graminoid. Other common graminoids in order of declining importance include <i>Elymus elymoides, Leymus cinereus</i>, and/or <i>Achnatherum speciosum</i>. 
Accession Code: VB.CC.32985.CEGL003478
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 17-Nov-2014 to: 01-May-2019
     
  • status: Provisional
  • This Community's Level: association
  • This Community's Children: [none]
Names:   UID: ELEMENT_GLOBAL.2.687207 NatureServe ExplorerNatureServe Explorer logo
  Translated: Antelope Bitterbrush - Big Sagebrush / Indian Ricegrass Shrubland
  Scientific: Purshia tridentata - Artemisia tridentata / Achnatherum hymenoides Shrubland
  Code: CEGL003478