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Abies amabilis - Tsuga heterophylla / Rubus pedatus - Tiarella trifoliata var. unifoliata Forest | NatureServe Biotics 2019
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Name: Abies amabilis - Tsuga heterophylla / Rubus pedatus - Tiarella trifoliata var. unifoliata Forest
Reference: NatureServe Biotics 2019
Description: This Pacific silver fir - western hemlock forest of Oregon and Washington has a canopy codominated by <i>Abies amabilis</i> and <i>Tsuga heterophylla</i>. <i>Abies procera</i> and <i>Thuja plicata</i> can also be prominent to codominant. <i>Abies amabilis</i> dominates tree regeneration and occupies over 10% total cover. Plots from the east Cascade contain <i>Picea engelmannii</i> in the canopy. A shrub layer is absent to sparse, frequently with <i>Vaccinium alaskaense</i> or <i>Vaccinium parvifolium</i> (the latter sometimes prominent). The diverse herb layer is characterized by <i>Rubus pedatus, Streptopus lanceolatus var. curvipes, Blechnum spicant</i>, and <i>Tiarella trifoliata var. unifoliata</i>, one or more of which is typically prominent. <i>Achlys californica</i> and/or <i>Achlys triphylla</i> is absent or very low in cover. In the western Cascades and rarely in the Olympics, this association occurs at middle elevations on mesic to moist sites, with well-drained soils, mostly on lower slopes. 
Accession Code: urn:lsid:vegbank.org:commConcept:34274-{6B061EBD-EA61-4CEB-8459-5079BE13CB78}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 10-May-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.942429 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005515
  Translated: Pacific Silver Fir - Western Hemlock / Strawberry-leaf Raspberry - Oneleaf Foamflower Forest
  Scientific: Abies amabilis - Tsuga heterophylla / Rubus pedatus - Tiarella trifoliata var. unifoliata Forest