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Picea sitchensis - Tsuga heterophylla - Alnus rubra Riparian Forest Alliance | NatureServe Biotics 2019
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Name: Picea sitchensis - Tsuga heterophylla - Alnus rubra Riparian Forest Alliance
Reference: NatureServe Biotics 2019
Description: These are lowland riparian forests dominated by conifer trees such as <i>Abies grandis, Picea sitchensis, Pseudotsuga menziesii, Thuja plicata</i>, and/or <i>Tsuga heterophylla</i> and may have <i>Alnus rubra</i> or <i>Acer macrophyllum</i> present in the upper canopy. This alliance also includes stands with just conifers present. <i>Populus balsamifera ssp. trichocarpa</i> is absent or, if present, is not the only deciduous tree and has less than 5% relative cover. The understory contains riparian wet soil-dependent understory species and includes <i>Polystichum munitum, Rubus spectabilis, Scirpus microcarpus</i>, and others. This alliance occurs in the coastal lowlands of Alaska, British Columbia, Washington, and Oregon. Sites are adjacent to streams, creeks, or rivers. Soils may be saturated but are also well-aerated. 
Accession Code: urn:lsid:vegbank.org:commConcept:38960-{CC2182BD-D377-408B-AD58-D8C05E2A3AC5}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Sep-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899798 NatureServe ExplorerNatureServe Explorer logo
  Code: A3746
  Translated: Sitka Spruce - Western Hemlock - Red Alder Riparian Forest Alliance
  Common: Sitka Spruce - Western Hemlock - Red Alder Riparian Forest
  Scientific: Picea sitchensis - Tsuga heterophylla - Alnus rubra Riparian Forest Alliance