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Picea sitchensis - Tsuga heterophylla - (Alnus rubra) / Oplopanax horridus / Polystichum munitum Forest | NatureServe Biotics 2019
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Name: Picea sitchensis - Tsuga heterophylla - (Alnus rubra) / Oplopanax horridus / Polystichum munitum Forest
Reference: NatureServe Biotics 2019
Description: This Sitka spruce - western hemlock forest of Washington and Oregon has a canopy codominated by <i>Picea sitchensis</i> and <i>Tsuga heterophylla</i>. <i>Alnus rubra</i> is usually present and sometimes codominant. The well-developed shrub layer is dominated or codominated by <i>Oplopanax horridus</i>. <i>Rubus spectabilis, Acer circinatum</i>, and <i>Ribes bracteosum</i> are usually present and often prominent to codominant. The rich herb layer is usually codominated by <i>Polystichum munitum</i> and <i>Oxalis oregana</i>. Many other herbs are common, the most abundant being <i>Tiarella trifoliata</i>. This association occurs on the western Olympic Peninsula at low elevations and is found on toeslopes or upper riparian terraces, usually near smaller streams. Soils are somewhat poorly drained and are probably seasonally to permanently subirrigated by flowing groundwater. 
Accession Code: urn:lsid:vegbank.org:commConcept:34288-{0357B3B6-4A48-4B71-820C-B6333643A70E}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 10-May-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.942442 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005529
  Translated: Sitka Spruce - Western Hemlock - (Red Alder) / Devil's-club / Western Swordfern Forest
  Scientific: Picea sitchensis - Tsuga heterophylla - (Alnus rubra) / Oplopanax horridus / Polystichum munitum Forest