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Eriogonum niveum / Poa secunda Dwarf-shrub Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Eriogonum niveum / Poa secunda Dwarf-shrub Herbaceous Vegetation Reference: Western Ecology Working Group of... Description: Restricted to the Columbia Basin of Washington, this association occurs primarily in the `scablands' or shallow soils of the Palouse Prairie region. This is an open, short bunchgrass-dominated community with scattered dwarf-shrubs and forbs. Total cover of vascular plants is between 30 and 75%. Exposed gravel and mineral soil, often covered with ground lichens and mosses, is a prominent feature of most communities. Eriogonum niveum is the only dwarf-shrub and provides 2% or more cover to the community. Poa secunda is the most common species covering 25% or more cover. Few perennial forbs appear. Lomatium farinosum or Lomatium gormanii are the most frequent forbs. Annual grasses and forbs are always present, and their abundance varies with disturbance. Exotic species Bromus tectorum and Holosteum umbellatum are the most common annuals. This association is a Lithosol, deep gravel type not to be confused with communities on deep sandy soils with gravel. Sandy sites are more floristically diverse with Hesperostipa comata (= Stipa comata), Plantago patagonica, and Ericameria spp. (= Chrysothamnus spp.) and are included in Hesperostipa comata community types.  Accession Code: VB.CC.20966.ERIOGONUMNIVEUM 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: Poa secunda Dwarf-shrub Herbaceous Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Snow Wild Buckwheat / Curly Bluegrass Dwarf-shrub Herbaceous Vegetation   UID: ELEMENT_GLOBAL.2.684983 NatureServe Explorer   Code: CEGL001786   Scientific: Eriogonum niveum / Poa secunda Dwarf-shrub Herbaceous Vegetation (convergence) and Synonyms: (undetermined) Eriogonum niveum / Poa secunda Dwarf-shrub Herbaceous Vegetation