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Pseudotsuga menziesii - Tsuga heterophylla / Rhododendron macrophyllum - Vaccinium ovatum - Gaultheria shallon Forest | Western Ecology Working Group of...
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Name: Pseudotsuga menziesii - Tsuga heterophylla / Rhododendron macrophyllum - Vaccinium ovatum - Gaultheria shallon Forest Reference: Western Ecology Working Group of... Description: This association occurs below 460 m (1500 feet) elevation in west-central portions of the Puget Lowland of Washington, including the Kitsap Peninsula, Whidbey Island, and the northeastern Olympic Peninsula (Mason, Kitsap, Island, Jefferson, Clallam counties). This is an evergreen needle-leaved forest dominated by <i>Pseudotsuga menziesii</i> and <i>Tsuga heterophylla</i>, the former usually taller and more abundant, the latter usually dominating tree regeneration. <i>Thuja plicata</i> is usually present and sometimes codominant, and <i>Pinus monticola</i> is present in about half the plots. The understory is dominated by the evergreen broad-leaved shrubs <i>Rhododendron macrophyllum</i> (2-4 m tall), <i>Vaccinium ovatum</i>, and <i>Gaultheria shallon</i>, and may be sparse or dense depending on tree density. Other frequent species are <i>Pteridium aquilinum, Mahonia nervosa</i>, and <i>Vaccinium parvifolium</i>. Herbaceous species are typically found in very small amounts. This association typically occurs on moderately dry, very nutrient-poor sites including soil parent materials of gravelly glacial till or outwash, or basalt bedrock. This association is distinguished from similar ones by >10% cover of <i>Tsuga heterophylla</i> or <i>Thuja plicata</i>, >5% cover of <i>Rhododendron macrophyllum</i>, and the presence of <i>Vaccinium ovatum</i>, combined with <3% cover of <i>Polystichum munitum</i>.  Accession Code: VB.CC.32748.CEGL002615 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.2.690034 NatureServe Explorer   Translated: Douglas-fir - Western Hemlock / Pacific Rhododendron - California Huckleberry - Salal Forest   Scientific: Pseudotsuga menziesii - Tsuga heterophylla / Rhododendron macrophyllum - Vaccinium ovatum - Gaultheria shallon Forest   Code: CEGL002615