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Ledum glandulosum - Gaultheria shallon / Carex obnupta Fen | NatureServe Biotics 2019
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Name: Ledum glandulosum - Gaultheria shallon / Carex obnupta Fen Reference: NatureServe Biotics 2019 Description: This association occurs on perennially saturated peat soils, and usually occurs around the edges of open mire subject to successional infilling by trees and shrubs. It occurs only between the Columbia River and northern California. It may also occur in regenerating ~<i>Tsuga heterophylla / Ledum glandulosum / Carex obnupta - Lysichiton americanus</i> Treed Bog (CEGL000477)$$ swamp that has been logged, burned, or killed by prolonged flooding. This brushy association is transitional between open <i>Ledum glandulosum</i> mire to swamp forest. Mature trees are scarce or absent, but regenerating trees include <i>Thuja plicata, Pinus contorta var. contorta, Tsuga heterophylla</i>, and <i>Picea sitchensis</i>, indicating the transition to forest. Tree regeneration is confined to elevated microsites on tops of old hummocks, as well as decaying logs, stumps, and old root wads. The shrub and herb layer include species from both open mire, shrub swamp, and swamp forest. <i>Ledum glandulosum</i> is the dominant shrub, with lesser amounts of <i>Spiraea douglasii</i> and <i>Gaultheria shallon</i>. <i>Carex obnupta</i> and <i>Carex aquatilis var. dives</i> have the highest constancy in the herb layer, with <i>Agrostis exarata, Cornus canadensis</i>, and <i>Blechnum spicant</i> present in lesser amounts. <i>Sphagnum</i> is conspicuous in the moss layer.  Accession Code: urn:lsid:vegbank.org:commConcept:32319-{17F91494-D4E0-495D-B647-8C6CAA84C567} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 21-Oct-2002 to: ongoing
	status: accepted Community's Parent: Ledum glandulosum - Ledum groenlandicum Shrub Bog & Acidic Fen Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.687606 NatureServe Explorer   Code: CEGL003437   Translated: Western Labrador-tea / Salal / Slough Sedge Fen   Scientific: Ledum glandulosum - Gaultheria shallon / Carex obnupta Fen (convergence) and Synonyms: (similar) Ledum glandulosum - Gaultheria shallon / Carex obnupta Shrubland (similar) CEGL003437 (similar) Ledum glandulosum - Gaultheria shallon / Carex obnupta Shrubland