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Pseudotsuga menziesii - Tsuga heterophylla / Vaccinium ovatum Forest | NatureServe Biotics 2019
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Name: Pseudotsuga menziesii - Tsuga heterophylla / Vaccinium ovatum Forest Reference: NatureServe Biotics 2019 Description: This association occurs below about 300 m (1000 feet) elevation in central portions of the Puget Lowland of Washington, and in portions of the Gulf Islands, British Columbia. This is an evergreen needle-leaved forest typically 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 occasionally codominant; <i>Pinus monticola</i> is present in about half the plots, and <i>Pinus contorta</i> is occasionally prominent in young stands. The well-developed 0.8- to 2.0-m tall understory is dominated by the evergreen broad-leaved shrubs <i>Vaccinium ovatum</i> and <i>Gaultheria shallon</i>. 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 slightly dry to mesic, nutrient-poor sites, mainly on gravelly glacial till. This association is distinguished from similar ones by &gt;10% cover of <i>Tsuga heterophylla</i> or <i>Thuja plicata</i>, and &gt;5% cover of <i>Vaccinium ovatum</i>, combined with &lt;5% cover of <i>Rhododendron macrophyllum</i> and &lt;3% cover of <i>Polystichum munitum</i>.  Accession Code: urn:lsid:vegbank.org:commConcept:31522-{0B2D2B66-1F48-4CD6-9E02-80D1349D20CF} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: ongoing
	status: accepted Community's Parent: Tsuga heterophylla - Pseudotsuga menziesii / Holodiscus discolor Dry Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.685730 NatureServe Explorer   Code: CEGL002614   Translated: Douglas-fir - Western Hemlock / California Huckleberry Forest   Scientific: Pseudotsuga menziesii - Tsuga heterophylla / Vaccinium ovatum Forest (convergence) and Synonyms: (similar) CEGL002614 (similar) Pseudotsuga menziesii - Tsuga heterophylla / Vaccinium ovatum Forest (similar) Pseudotsuga menziesii - Tsuga heterophylla / Vaccinium ovatum Forest