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Artemisia tridentata ssp. wyomingensis / Pseudoroegneria spicata Shrubland | Western Ecology Working Group of...
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Name: Artemisia tridentata ssp. wyomingensis / Pseudoroegneria spicata Shrubland Reference: Western Ecology Working Group of... Description: This is a widespread Wyoming Big Sagebrush shrub type, extending from the western side of the Great Plains on the east to British Columbia on the west, and south as far as northern Nevada. Stands of this type occupy loamy soils (often with coarse fragments) derived from a variety of parent materials, on middle and lower slopes and in draws. Shrubs are dense and form a canopy with at least 25% cover. Artemisia tridentata ssp. wyomingensis contributes the most cover to the shrub layer and is often the only shrub present. The height of the sagebrush ranges from ca. 35 cm tall in the eastern part of the range to ca. 1 m tall in the western part. Chrysothamnus spp. often are present as well. Pseudoroegneria spicata contributes more cover to the herbaceous layer than does any other native species, and Poa secunda usually is present. Stands in the eastern part of the geographic range often include Gutierrezia sarothrae, Artemisia frigida, Bouteloua gracilis, and Koeleria macrantha. Many stands of this community may result from grazing in stands of Artemisia tridentata ssp. wyomingensis / Pseudoroegneria spicata Shrub Herbaceous Vegetation (CEGL001535). Grazing increases the cover and density of shrubs and often decreases the cover of grasses, especially of Pseudoroegneria spicata. Stands no doubt exist, though, that do not result from grazing. Such stands are likely found in draws and other places on the landscape where soil moisture is sufficient to support a dense shrub canopy, and may represent only a small area on the landscape.  Accession Code: VB.CC.26244.ARTEMISIATRIDEN 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: Artemisia tridentata ssp. wyomingensis Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Wyoming Big Sagebrush / Bluebunch Wheatgrass Shrubland   UID: ELEMENT_GLOBAL.2.689247 NatureServe Explorer   Code: CEGL001009   Scientific: Artemisia tridentata ssp. wyomingensis / Pseudoroegneria spicata Shrubland   Common: Wyoming Big Sagebrush / Bluebunch Wheatgrass Shrubland (convergence) and Synonyms: (undetermined) Artemisia tridentata ssp. wyomingensis / Pseudoroegneria spicata Shrubland