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Festuca idahoensis - Achnatherum richardsonii Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Festuca idahoensis - Achnatherum richardsonii Herbaceous Vegetation
Reference: Western Ecology Working Group of...
Description: This montane grassland association occurs in scattered locations in the mountains of southwestern Montana and northern Wyoming on both sides of the Continental Divide. Stands are found infrequently on relatively mesic, gentle terrain with deep soils. Elevation ranges from 1100-2100 m. This association has a dense and diverse herbaceous layer dominated by medium-tall perennial graminoids with perennial forbs. Dominant graminoids are Achnatherum richardsonii (= Stipa richardsonii), Festuca idahoensis, Achnatherum occidentale (= Stipa occidentalis), and Danthonia intermedia. Perennial forbs are abundant and diverse. Consistent forbs are Geranium viscosissimum, Achillea millefolium, and Heterotheca villosa. Scattered Rosa arkansana shrubs are often present. The dominance of Stipa spp. and the lack of Pseudoroegneria spicata, Pascopyrum smithii, or Elymus caninus as a codominant species make this association distinct. 
Accession Code: VB.CC.18430.FESTUCAIDAHOENS
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 17-Nov-2014
      Names:   Translated: Idaho Fescue - Richardson's Needlegrass Herbaceous Vegetation
  UID: ELEMENT_GLOBAL.2.683263 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL001625
  Scientific: Festuca idahoensis - Achnatherum richardsonii Herbaceous Vegetation
(convergence) and Synonyms:
(undetermined) Festuca idahoensis - Achnatherum richardsonii Herbaceous Vegetation