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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 600-1200 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 Festuca idahoensis dominates or codominates the dense herbaceous layer with Pseudoroegneria spicata. Characteristic of this association is a sparse shrub layer (<10% cover) of Rosa nutkana or Rosa woodsii and occasionally Phlox longifolia. Some stands have dense clumps of Rosa spp., especially in swales in the topography. Other important herbaceous species include Poa secunda, Koeleria macrantha, Balsamorhiza sagittata, and Lupinus sulphureus. The introduced perennial grass Poa pratensis and several introduced annual Bromus 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 Festuca idahoensis in the herbaceous layer with sparse shrub cover of Rosa nutkana or Rosa woodsii without significant cover of other common woody species, including Symphoricarpos, Artemisia, Eriogonum, Chrysothamnus, or Purshia.  Accession Code: VB.CC.22460.ROSANUTKANAFEST Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Festuca idahoensis Herbaceous Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Nootka Rose - Idaho Fescue Herbaceous Vegetation   Code: CEGL001626   UID: ELEMENT_GLOBAL.2.686800 NatureServe Explorer   Scientific: Rosa nutkana - Festuca idahoensis Herbaceous Vegetation (convergence) and Synonyms: (undetermined) Rosa nutkana - Festuca idahoensis Herbaceous Vegetation