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Pseudotsuga menziesii - Abies grandis / Mahonia nervosa - Gaultheria shallon / Polystichum munitum Forest | NatureServe Biotics 2019
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Name: Pseudotsuga menziesii - Abies grandis / Mahonia nervosa - Gaultheria shallon / Polystichum munitum Forest
Reference: NatureServe Biotics 2019
Description: This type has a canopy <i>Pseudotsuga menziesii</i> and <i>Abies grandis</i> with <i>Tsuga heterophylla</i> present. Typically, <i>Abies grandis</i> and <i>Acer macrophyllum</i> dominate below the main canopy. <i>Acer circinatum</i> and <i>Mahonia nervosa</i> dominate the shrub layer. <i>Achlys californica, Achlys triphylla</i>, and <i>Polystichum munitum</i> are prominent indicators in the herb layer. As described in Oregon, this association often has <i>Gaultheria shallon</i> and <i>Corylus cornuta</i> in the shrub layer. Ground mosses are prominent. This association is found in the foothills surrounding the Willamette Valley in Oregon and can infrequently occur as far north as the Olympic Mountains. The plot representing this association in the Olympics was located on a southwest-facing terrace at 300 m (980 feet) elevation on a dry topographic position. 
Accession Code: urn:lsid:vegbank.org:commConcept:34384-{BBEB4D86-BFA4-4E1D-9EFE-C11A831462DC}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 07-Feb-2017 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.979407 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005634
  Translated: Douglas-fir - Grand Fir / Cascade Barberry - Salal / Western Swordfern Forest
  Scientific: Pseudotsuga menziesii - Abies grandis / Mahonia nervosa - Gaultheria shallon / Polystichum munitum Forest