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Rosa nutkana - Festuca idahoensis Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Rosa nutkana - Festuca idahoensis Herbaceous Vegetation
Reference: Western Ecology Working Group of...
Description: This shrubland association is restricted to the rainshadow of the Blue Mountains in eastern Oregon, southwestern Washington, and adjacent Idaho. Elevations range from 610-1220 m. Sites are typically gently sloping, often with more mesic northerly aspects. Soils are deep silt loams that are too dry for conifer establishment, but support lush and diverse meadow vegetation. The perennial bunchgrass <i>Festuca idahoensis</i> dominates or codominates the dense herbaceous layer with <i>Pseudoroegneria spicata</i>. Characteristic of this association is a sparse shrub layer (<10% cover) of <i>Rosa nutkana</i> or <i>Rosa woodsii</i> and occasionally <i>Phlox longifolia</i>. Some stands have dense clumps of <i>Rosa</i> spp., especially in swales in the topography. Other important herbaceous species include <i>Poa secunda, Koeleria macrantha, Balsamorhiza sagittata</i>, and <i>Lupinus sulphureus</i>. The introduced perennial grass <i>Poa pratensis</i> and several introduced annual <i>Bromus</i> spp. and forbs are invading grazing-disturbed stands. The cryptogam layer is well-developed on undisturbed sites. Diagnostic of this association is the dominance of <i>Festuca idahoensis</i> in the herbaceous layer with sparse shrub cover of <i>Rosa nutkana</i> or <i>Rosa woodsii</i> without significant cover of other common woody species, including <i>Symphoricarpos, Artemisia, Eriogonum, Chrysothamnus</i>, or <i>Purshia</i>. 
Accession Code: VB.CC.32537.CEGL001626
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 17-Nov-2014 to: 01-May-2019
     
  • status: accepted
  • This Community's Level: association
  • This Community's Children: [none]
Names:   UID: ELEMENT_GLOBAL.2.686800 NatureServe ExplorerNatureServe Explorer logo
  Translated: Nootka Rose - Idaho Fescue Herbaceous Vegetation
  Scientific: Rosa nutkana - Festuca idahoensis Herbaceous Vegetation
  Code: CEGL001626