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Deschampsia cespitosa - Carex douglasii Moist Meadow | NatureServe Biotics 2019
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Name: Deschampsia cespitosa - Carex douglasii Moist Meadow Reference: NatureServe Biotics 2019 Description: This alkaline bottomland association occurs in scattered localities of eastern Oregon. The region is semi-arid, with average annual precipitation varying from 20 to 40 cm in all except the higher elevations in the Blue Mountains, where over 60 cm fall annually. A high proportion of the annual precipitation falls as snow, but winter temperatures are not as extreme as to the east of the Rocky Mountains. It is found in flat, poorly drained floodplains and internally drained basins or historic lake basins (playas). Elevations range from 760 to 1525 m. Soils are alkaline and typically seasonally flooded. This herbaceous association is composed of perennial bunchgrasses and rhizomatous sedges, but little information is available on canopy cover, density or species composition. The perennial bunchgrass <i>Deschampsia cespitosa</i> is probably the dominant grass, and is typically 0.5-1 m tall. <i>Carex</i> species are codominant, the most commonly occurring and indicative species is <i>Carex douglasii</i>, which is rhizomatous and probably forms a matrix of 1- to 3-dm tall culms within the clumps of <i>Deschampsia</i>. The deciduous, succulent-leaved shrub <i>Sarcobatus vermiculatus</i> may occasionally occur in some stands and is typically 1-3 m tall.  Accession Code: urn:lsid:vegbank.org:commConcept:30511-{98FAD1AE-14E3-43E2-85C9-DAB146CDB78A} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 24-Feb-2012 to: ongoing
	status: provisional Community's Parent: Poa secunda - Muhlenbergia richardsonis - Carex douglasii Moist Meadow Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.686174   Code: CEGL001602   Translated: Tufted Hairgrass - Douglas' Sedge Moist Meadow   Common: Tufted Hairgrass - Douglas' Sedge Alkaline Moist Meadow   Scientific: Deschampsia cespitosa - Carex douglasii Moist Meadow (convergence) and Synonyms: (similar) CEGL001602 (similar) Deschampsia caespitosa - Carex douglasii Herbaceous Vegetation (similar) Deschampsia caespitosa - Carex douglasii Herbaceous Vegetation