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Pascopyrum smithii Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Pascopyrum smithii Herbaceous Vegetation
Reference: Western Ecology Working Group of...
Description: This midgrass prairie type is found in the northern and western Great Plains, Rocky Mountains, and the interior western United States and possibly Canada. Stands occur on level to gently sloping terrain. They are found on alluvial fans, swales, river terraces, floodplains, valley floors and basins. The soils are clay, clay loam, and silt loam. Pascopyrum smithii strongly dominates the moderate to dense (40-100% cover) mixedgrass herbaceous canopy that grows 0.5-1 m tall. Other graminoids that co-occur and may achieve local dominance are Koeleria macrantha, Eleocharis palustris, and Poa spp. Many other species common in midgrass prairies are also found in this community. These include Artemisia ludoviciana, Eriogonum spp., Bouteloua gracilis, Nassella viridula, and Hesperostipa comata (= Stipa comata). Shrubs and dwarf-shrubs are rare in this community, but occasional woody plants such as Artemisia tridentata, Symphoricarpos spp., Ericameria nauseosa, or Krascheninnikovia lanata may be present. Introduced species, such as Bromus tectorum, Bromus inermis, Poa pratensis, Melilotus spp. or Cirsium arvense, are common in some stands, especially where disturbed. 
Accession Code: VB.CC.23410.PASCOPYRUMSMITH
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 17-Nov-2014
      Names:   Translated: Western Wheatgrass Herbaceous Vegetation
  UID: ELEMENT_GLOBAL.2.687256 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL001577
  Scientific: Pascopyrum smithii Herbaceous Vegetation
  Common: Western Wheatgrass Mixedgrass Prairie
(convergence) and Synonyms:
(undetermined) Pascopyrum smithii Herbaceous Vegetation