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Carex aperta Saturated Herbaceous Alliance | Western Ecology Working Group of...
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Name: Carex aperta Saturated Herbaceous Alliance Reference: Western Ecology Working Group of... Description: This herbaceous wetland alliance occurs on lakeshores, river floodplains, and in wet meadows in western and south-central Montana, and the tidally influenced overflow plain of the Columbia River in western Oregon and Washington. Elevations extend just above the tidal influence zone in coastal habitats to 2500 m in the subalpine forests of Montana. Stands occur in low-lying areas with prolonged seasonal flooding that maintain saturated soils throughout the growing season. Soils are heavy textured, often with a thick organic layer, and are derived from alluvium. The vegetation is characterized by nearly pure stands of the perennial graminoid Carex aperta (70-90% cover) with lesser amounts of Agrostis spp., Poa palustris, Argentina anserina, Bidens cernua, Bidens frondosa, Ludwigia palustris, Polygonum amphibium, and Erysimum cheiranthoides. Adjacent stands include forests dominated by Pseudotsuga menziesii at lower elevations and Abies lasiocarpa or Picea engelmannii in the subalpine zone, and a variety of riparian stands.  Accession Code: VB.CC.22117.CAREXAPERTASATU Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: Carex aperta Saturated Herbaceous Alliance   Translated: Columbian Sedge Saturated Herbaceous Alliance   UID: HIGHER_CLASS_UNIT.2.126370 NatureServe Explorer   Code: A.1468