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Tsuga heterophylla - Pseudotsuga menziesii / Mahonia nervosa - Chimaphila menziesii Forest | NatureServe Biotics 2019
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Name: Tsuga heterophylla - Pseudotsuga menziesii / Mahonia nervosa - Chimaphila menziesii Forest
Reference: NatureServe Biotics 2019
Description: This western hemlock forest of Washington and Oregon has a canopy dominated by <i>Tsuga heterophylla</i> or codominated by that species and <i>Pseudotsuga menziesii</i>. The latter and <i>Thuja plicata</i> are almost always present. <i>Thuja plicata</i> is often prominent to occasionally codominant. <i>Abies amabilis</i> is frequent in small amounts. The understory is always relatively sparse. <i>Mahonia nervosa</i> is always present in small amounts. <i>Chimaphila menziesii, Chimaphila umbellata</i>, or <i>Corallorhiza</i> spp. are present and diagnostic. <i>Vaccinium parvifolium</i> and <i>Vaccinium alaskaense</i> are also usually present. This association occurs mostly at middle elevations on mid to upper slopes in the western Cascades and in the eastern to northern Olympics. Sites have well-drained, often shallow soils. These are relatively dry, cool sites compared to average <i>Tsuga heterophylla</i> sites. 
Accession Code: urn:lsid:vegbank.org:commConcept:34320-{B5FABADD-0B5A-4277-BE13-3EEE0F24AD8E}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 11-May-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.942465 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005570
  Translated: Western Hemlock - Douglas-fir / Cascade Barberry - Little Prince's-pine Forest
  Scientific: Tsuga heterophylla - Pseudotsuga menziesii / Mahonia nervosa - Chimaphila menziesii Forest