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Abies grandis / Vaccinium membranaceum - Achlys triphylla Forest | Western Ecology Working Group of...
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Name: Abies grandis / Vaccinium membranaceum - Achlys triphylla Forest Reference: Western Ecology Working Group of... Description: Endemic to southeastern Cascade Mountains of Washington, this association is found at higher elevations in the vicinity of the White Salmon and Little White Salmon River basins (south of Mount Adams). It occurs in a narrow environmental range below the Abies amabilis zone (warmer, less snow) that elsewhere in the Cascades supports Tsuga heterophylla- or Thuja plicata-dominated forests. It is often found on north aspects. Two locally described associations, Abies grandis / Vaccinium membranaceum - Clintonia uniflora and Abies grandis / Vaccinium membranaceum - Linnaea borealis, are included in this type. Abies grandis dominates these dense forests that often have Pseudotsuga menziesii, Larix occidentalis, or Abies amabilis in the upper canopy. Trees are rarely over 120 feet tall. Abies grandis is by far the most common tree in the subcanopy and seedling layers. A patchy deciduous shrub layer, approximately 1 m tall, occurs with a diverse forb component. Vaccinium membranaceum, Symphoricarpos mollis are common shrubs and Linnaea borealis and Rubus lasiococcus are common subshrubs in the association. Tall shrubs, such as Acer circinatum, Corylus cornuta, and Cornus nuttallii, are absent to patchy. Although diverse, the forb layer is typically sparse and usually composed of Achlys triphylla, Prosartes hookeri (= Disporum hookeri), Clintonia uniflora, Maianthemum racemosum, and Orthilia secunda. Each individual species may be locally abundant but never abundant in most stands.  Accession Code: VB.CC.18120.ABIESGRANDISVAC Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Abies grandis Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Grand Fir / Square-twig Blueberry - Sweet After Death Forest   UID: ELEMENT_GLOBAL.2.683145 NatureServe Explorer   Code: CEGL000291   Scientific: Abies grandis / Vaccinium membranaceum - Achlys triphylla Forest (convergence) and Synonyms: (undetermined) Abies grandis / Vaccinium membranaceum - Achlys triphylla Forest