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Carex aperta - Carex exsiccata Wet Meadow Alliance | NatureServe Biotics 2019
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Name: Carex aperta - Carex exsiccata Wet Meadow Alliance
Reference: NatureServe Biotics 2019
Description: This herbaceous alliance occupies low-elevation floodplains of eastern Oregon and Washington. The vegetation is characterized by nearly pure stands of the perennial graminoid <i>Carex aperta</i> with lesser amounts of <i>Agrostis</i> spp., <i>Argentina anserina, Bidens cernua, Bidens frondosa, Erysimum cheiranthoides, Ludwigia palustris, Poa palustris</i>, and <i>Polygonum amphibium</i>. Elevations extend just above the tidal influence zone in coastal habitats. Stands occur in low-lying areas with prolonged seasonal flooding that maintain saturated soils throughout the growing season. This herbaceous wetland alliance occurs on lakeshores, river floodplains, and tidally influenced overflow plain of the Columbia River in western Oregon and Washington. Soils are heavy-textured, often with a thick organic layer, and are derived from alluvium. 
Accession Code: urn:lsid:vegbank.org:commConcept:38236-{F3F99801-74D3-44C9-9192-4CD1C3F6B560}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 08-Jan-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899139 NatureServe ExplorerNatureServe Explorer logo
  Code: A1468
  Translated: Columbian Sedge - Western Inflated Sedge Wet Meadow Alliance
  Common: Columbian Sedge Wet Meadow
  Scientific: Carex aperta - Carex exsiccata Wet Meadow Alliance
(convergence) and Synonyms:
(similar) A.1468
(similar) Carex aperta Saturated Herbaceous Alliance