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Abies amabilis / Gaultheria shallon / Blechnum spicant Forest | Western Ecology Working Group of...
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Name: Abies amabilis / Gaultheria shallon / Blechnum spicant Forest Reference: Western Ecology Working Group of... Description: This association occurs only in lowlands on the western Olympic Peninsula of Washington and western and northern Vancouver Island, British Columbia. This is a needle-leaved evergreen giant conifer forest. Tsuga heterophylla, Abies amabilis, and Thuja plicata collectively dominate the tree canopy, though the latter may sometimes be absent. Tree regeneration is generally dominated by Tsuga heterophylla and/or Abies amabilis. The understory has a moderately dense layer of evergreen broad-leaved shrubs (Gaultheria shallon) about 0.5-1.5 m tall. The deciduous broad-leaved shrubs Vaccinium ovalifolium, Vaccinium parvifolium, and Menziesia ferruginea are very frequent and sometimes codominant. The herb layer is relatively sparse and dominated by the fern Blechnum spicant, which averages about 5-10% cover. Other moderately frequent herbs include Polystichum munitum, Maianthemum dilatatum, and Cornus unalaschkensis. It is found on coastal plains, foothills, and mountain slopes at elevations from near sea level to 650 m in very wet, cool hypermaritime climatic zones. These generally mesic to slightly dry sites are on very gentle to steep, straight to convex slopes. This association is distinguished from similar associations by at least 10% cover of Abies amabilis, 5% cover of Gaultheria shallon, and 1% cover of Blechnum spicant, along with little to no Pseudotsuga menziesii, Oxalis oregana, Lysichiton americanus, and Mahonia nervosa.  Accession Code: VB.CC.21728.ABIESAMABILISGA 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 amabilis Giant Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Pacific Silver Fir / Salal / Deer Fern Forest   UID: ELEMENT_GLOBAL.2.685120 NatureServe Explorer   Code: CEGL000221   Scientific: Abies amabilis / Gaultheria shallon / Blechnum spicant Forest (convergence) and Synonyms: (undetermined) Abies amabilis / Gaultheria shallon / Blechnum spicant Forest