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Aspidotis densa - Poa curtifolia Serpentine Rock Vegetation Alliance | NatureServe Biotics 2019
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Name: Aspidotis densa - Poa curtifolia Serpentine Rock Vegetation Alliance
Reference: NatureServe Biotics 2019
Description: Sparse serpentine barrens vegetation of the eastern and western Cascades occupying steep slopes with loosely consolidated soils and harsh soil chemical conditions (large rock outcrops and gravelly soil), although exposed ridges occur. Low-elevation sites support <i>Pseudotsuga menziesii, Pinus ponderosa</i>, and <i>Pinus monticola</i> trees with a sparse ground cover with <i>Aspidotis densa, Arctostaphylos nevadensis</i>, and <i>Pseudoroegneria spicata</i>. Higher elevations have <i>Abies lasiocarpa, Pinus albicaulis, Pinus contorta var. latifolia</i>, and <i>Tsuga mertensiana</i> with <i>Festuca viridula, Juniperus communis, Ledum glandulosum, Poa curtifolia</i>, and <i>Vaccinium scoparium</i>. This vegetation occurs at 760 to 2100 m (2500-7000 feet) in elevation on thin rocky, ultramafic (peridotite, serpentinite) soils of varying extent up to several square km. 
Accession Code: urn:lsid:vegbank.org:commConcept:39002-{F73220E6-B1FE-4AC5-936B-7EB94AFB9628}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Sep-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899840 NatureServe ExplorerNatureServe Explorer logo
  Code: A3788
  Translated: Indian's Dream - Little Mountain Bluegrass Serpentine Rock Vegetation Alliance
  Common: Indian's Dream - Little Mountain Bluegrass Serpentine Barrens
  Scientific: Aspidotis densa - Poa curtifolia Serpentine Rock Vegetation Alliance