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Festuca idahoensis - Achnatherum richardsonii Grassland | NatureServe Biotics 2019
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Name: Festuca idahoensis - Achnatherum richardsonii Grassland
Reference: NatureServe Biotics 2019
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 <i>Achnatherum richardsonii, Festuca idahoensis, Achnatherum occidentale</i>, and <i>Danthonia intermedia</i>. Perennial forbs are abundant and diverse. Consistent forbs are <i>Geranium viscosissimum, Achillea millefolium</i>, and <i>Heterotheca villosa</i>. Scattered <i>Rosa arkansana</i> shrubs are often present. The dominance of <i>Achnatherum</i> spp. and the lack of <i>Pseudoroegneria spicata, Pascopyrum smithii</i>, or <i>Elymus caninus</i> as a codominant species make this association distinct. 
Accession Code: urn:lsid:vegbank.org:commConcept:30534-{B977D6CB-7761-4C79-AC00-D0E2A8E1AF97}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.683263 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL001625
  Translated: Idaho Fescue - Richardson's Needlegrass Grassland
  Scientific: Festuca idahoensis - Achnatherum richardsonii Grassland
(convergence) and Synonyms:
(similar) CEGL001625
(similar) Festuca idahoensis - Achnatherum richardsonii Herbaceous Vegetation
(similar) Festuca idahoensis - Achnatherum richardsonii Herbaceous Vegetation