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Tsuga heterophylla - Abies amabilis - Pseudotsuga menziesii / Gaultheria shallon Forest | NatureServe Biotics 2019
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Name: Tsuga heterophylla - Abies amabilis - Pseudotsuga menziesii / Gaultheria shallon Forest
Reference: NatureServe Biotics 2019
Description: This western hemlock - Pacific silver fir - Douglas-fir forest of Washington and Oregon has a canopy typically codominated by <i>Tsuga heterophylla, Abies amabilis</i>, and <i>Pseudotsuga menziesii</i>. In any one stand one or more of the canopy species may be less abundant. <i>Abies amabilis</i> always occupies over 10% total cover and usually codominates tree regeneration with <i>Tsuga heterophylla</i>. <i>Pseudotsuga menziesii</i> is occasionally absent and <i>Thuja plicata</i> is usually prominent. The well-developed shrub layer is dominated by <i>Gaultheria shallon</i> (always over 5% cover) or <i>Vaccinium alaskaense</i>. <i>Mahonia nervosa</i> is usually present and sometimes prominent. The herb layer is usually sparse and <i>Linnaea borealis</i> is the only frequently occurring species. This association occurs in the western Cascades and the Olympic Mountains at middle elevations. Soils are well-drained and sites are relatively dry compared to average <i>Abies amabilis</i> sites. 
Accession Code: urn:lsid:vegbank.org:commConcept:34317-{7BC41078-851A-467C-9B9B-6E838A7D394F}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 11-May-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.942464 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005567
  Translated: Western Hemlock - Pacific Silver Fir - Douglas-fir / Salal Forest
  Scientific: Tsuga heterophylla - Abies amabilis - Pseudotsuga menziesii / Gaultheria shallon Forest