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Tsuga heterophylla - (Pseudotsuga menziesii) / Vaccinium alaskaense - Mahonia nervosa - (Gaultheria shallon) Forest | NatureServe Biotics 2019
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Name: Tsuga heterophylla - (Pseudotsuga menziesii) / Vaccinium alaskaense - Mahonia nervosa - (Gaultheria shallon) Forest
Reference: NatureServe Biotics 2019
Description: This western hemlock forest of Alaska, Washington and Oregon has a canopy dominated or codominated by <i>Tsuga heterophylla</i>, with <i>Pseudotsuga menziesii</i> usually codominant. <i>Thuja plicata</i> is usually prominent. <i>Tsuga heterophylla</i> usually dominates tree regeneration. The well-developed shrub layer always has <i>Vaccinium alaskaense</i> and either <i>Mahonia nervosa</i> or <i>Gaultheria shallon</i> prominent to codominant. The herb layer is usually poorly developed. <i>Clintonia uniflora</i> and <i>Cornus unalaschkensis</i> are frequently present. <i>Blechnum spicant</i> has less than 2% cover or is absent. This association occurs at middle elevations on moderate to very steep slopes, most often with south or west aspects. Sites typically have well- drained soils. This association occurs in the mountains of western Washington where it has been impacted by logging. 
Accession Code: urn:lsid:vegbank.org:commConcept:34324-{AE6B2F4C-C8B2-4B8F-AE3D-D569DFDBF990}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 11-May-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.942469 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005574
  Translated: Western Hemlock - (Douglas-fir) / Alaska Blueberry - Cascade Barberry - (Salal) Forest
  Scientific: Tsuga heterophylla - (Pseudotsuga menziesii) / Vaccinium alaskaense - Mahonia nervosa - (Gaultheria shallon) Forest