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Pseudotsuga menziesii - (Abies grandis, Thuja plicata) / Mahonia nervosa - Gaultheria shallon Forest |
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Name: Pseudotsuga menziesii - (Abies grandis, Thuja plicata) / Mahonia nervosa - Gaultheria shallon Forest
Reference:
Description: This matrix forest community occurs on zonal and near-zonal sites within the Coastal Douglas-fir moist maritime biogeoclimatic unit (CDFmm) of the Georgia Basin of British Columbia and adjacent Washington. Known sites occur at elevations from 0 to 150 m in British Columbia and to 390 m in Washington, on level to steep (mostly gentle) middle to upper slopes on all aspects where sandy loamy soils are common. This plant community has a moderately open to closed coniferous overstory typically dominated by <i>Pseudotsuga menziesii</i> with a well-developed shrub layer dominated by <i>Mahonia nervosa</i> and/or <i>Gaultheria shallon</i>, sparse herb layer, and well-developed moss layer dominated by <i>Eurhynchium oreganum</i>. <i>Pseudotsuga menziesii</i> may codominate the overstory with <i>Thuja plicata</i>. <i>Thuja plicata</i> and/or <i>Abies grandis</i> tend to dominate smaller size class trees. The well-developed shrub layer is dominated by high cover of <i>Mahonia nervosa</i> and/or <i>Gaultheria shallon</i>. The sparse herb layer typically includes low cover of <i>Rubus ursinus, Trientalis borealis, Polystichum munitum, Pteridium aquilinum, Linnaea borealis</i>, and <i>Festuca subuliflora</i>. The well-developed moss layer is dominated by high cover of <i>Eurhynchium oreganum</i>. It is distinguished from the similar ~<i>Thuja plicata - Pseudotsuga menziesii - Abies grandis / Mahonia nervosa / Polystichum munitum</i> Forest (CEGL002848)$$ by the low cover of <i>Polystichum munitum</i> and greater dominance of <i>Pseudotsuga menziesii</i>. 
Accession Code: VB.CC.37334.CEGL002845
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 17-Nov-2014 to: 01-May-2019
     
  • status: Provisional
  • This Community's Level: association
  • This Community's Children: [none]
Names:   Translated: Douglas-fir - (Grand Fir, Western Red-cedar) / Cascade Barberry - Salal Forest
  Scientific: Pseudotsuga menziesii - (Abies grandis, Thuja plicata) / Mahonia nervosa - Gaultheria shallon Forest
  Code: CEGL002845
  UID: ELEMENT_GLOBAL.2.787981 NatureServe ExplorerNatureServe Explorer logo