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Pseudotsuga menziesii - (Tsuga heterophylla) / Rhododendron macrophyllum Forest | Western Ecology Working Group of...
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Name: Pseudotsuga menziesii - (Tsuga heterophylla) / Rhododendron macrophyllum Forest Reference: Western Ecology Working Group of... Description: This association is often found in depressions, swales or on east- or west-facing slopes. However, most sites are too droughty for abundant <i>Tsuga heterophylla</i> establishment. Most stands are below 915 m (3000 feet) and on gentle to moderately steep slopes. Soils are usually moderately deep and stony. <i>Pseudotsuga menziesii</i> and <i>Calocedrus decurrens</i> dominate the canopy. <i>Abies grandis</i> and <i>Pinus lambertiana</i> are often present. The regeneration layer usually consists of <i>Pseudotsuga menziesii, Calocedrus decurrens</i>, and <i>Abies grandis</i>. Traces of <i>Tsuga heterophylla</i> are present in about half of the stands of this association, in both the canopy and regeneration layers. <i>Rhododendron macrophyllum, Gaultheria shallon</i>, and <i>Mahonia nervosa (= Berberis nervosa)</i> dominate the shrub layer. Small amounts of <i>Holodiscus discolor</i> and <i>Whipplea modesta</i> may be present. Herbs are often sparse, but traces of some species, especially <i>Linnaea borealis, Goodyera oblongifolia, Galium triflorum, Viola sempervirens, Pteridium aquilinum</i> and <i>Synthyris reniformis</i>, occur.  Accession Code: VB.CC.32692.CEGL000086 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.687612 NatureServe Explorer   Translated: Douglas-fir - (Western Hemlock) / Pacific Rhododendron Forest   Scientific: Pseudotsuga menziesii - (Tsuga heterophylla) / Rhododendron macrophyllum Forest   Code: CEGL000086