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Abies amabilis - (Pseudotsuga menziesii) / Achlys triphylla - Tiarella trifoliata var. unifoliata Forest | NatureServe Biotics 2019
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Name: Abies amabilis - (Pseudotsuga menziesii) / Achlys triphylla - Tiarella trifoliata var. unifoliata Forest
Reference: NatureServe Biotics 2019
Description: This Pacific silver fir forest of Oregon and Washington has a canopy dominated by <i>Abies amabilis, Pseudotsuga menziesii, Tsuga heterophylla</i>, and/or <i>Abies procera</i>. <i>Abies amabilis</i> has over 10% total cover and dominates or codominates tree regeneration. The shrub layer varies from sparse to moderate and frequently has abundant <i>Acer circinatum</i> or <i>Vaccinium membranaceum</i> (the latter usually no more than 10% cover). The well-developed herb layer always has <i>Achlys californica</i> and/or <i>Achlys triphylla</i> present to more often prominent. <i>Tiarella trifoliata var. unifoliata</i> and/or <i>Maianthemum stellatum</i> are usually present and the combination of the two is typically over 5% cover. <i>Clintonia uniflora</i> is usually present to prominent. <i>Linnaea borealis, Gymnocarpium dryopteris</i> or <i>Cornus unalaschkensis</i> are occasionally prominent. At Mount Rainier and in the eastern and northern Olympic Mountains of Washington, this association occurs at middle elevations on sites with deep, well-drained, and moist soils. 
Accession Code: urn:lsid:vegbank.org:commConcept:34271-{4B212251-10AC-4CE5-B305-25DFA6F3C3E8}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 10-May-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.942427 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005512
  Translated: Pacific Silver Fir - (Douglas-fir) / Sweet After Death - Oneleaf Foamflower Forest
  Scientific: Abies amabilis - (Pseudotsuga menziesii) / Achlys triphylla - Tiarella trifoliata var. unifoliata Forest