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Artemisia tridentata ssp. vaseyana / Pascopyrum smithii Shrubland | NatureServe Biotics 2019
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Name: Artemisia tridentata ssp. vaseyana / Pascopyrum smithii Shrubland Reference: NatureServe Biotics 2019 Description: This mesic sagebrush association occurs in upland areas where snow accumulates, including swales and valley bottoms. Documented stands are known from Wyoming, Montana and northern and western Colorado. Elevations range from 2200 to 2500 m (7200-8200 feet). Sites are level to gently sloping and may be oriented to any aspect. Soils may be derived from eolian sediments, sandstone or shale, and often have a silty loam or clay loam texture. The amount of litter on the ground surface is inversely proportional to the intensity of grazing. Total vegetation cover ranges from a low of around 20% to approximately 75%. <i>Artemisia tridentata ssp. vaseyana</i> dominates the shrub layer with 10 to 50% cover, and <i>Pascopyrum smithii</i> dominates a diverse herbaceous layer. Other shrubs comprise a minority of the shrub canopy, including <i>Symphoricarpos oreophilus, Amelanchier utahensis, Purshia tridentata, Ericameria nauseosa, Tetradymia canescens, Krascheninnikovia lanata</i>, and <i>Chrysothamnus viscidiflorus</i>. The grass component of the understory is often diverse and may include a combination of <i>Poa fendleriana, Achnatherum pinetorum, Achnatherum hymenoides, Bouteloua gracilis, Elymus lanceolatus, Leymus cinereus, Hesperostipa comata, Elymus elymoides</i>, and <i>Poa secunda</i>. Forbs such as <i>Artemisia frigida, Achillea millefolium</i>, and <i>Phlox hoodii ssp. muscoides</i> generally contribute little cover.  Accession Code: urn:lsid:vegbank.org:commConcept:29937-{5313E520-F195-47FB-9992-E9CF7B3CBBE3} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 12-Oct-2005 to: ongoing
	status: accepted Community's Parent: Artemisia tridentata ssp. spiciformis - Artemisia tridentata ssp. vaseyana Steppe & Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.686628 NatureServe Explorer   Code: CEGL001028   Translated: Mountain Big Sagebrush / Western Wheatgrass Shrubland   Scientific: Artemisia tridentata ssp. vaseyana / Pascopyrum smithii Shrubland (convergence) and Synonyms: (similar) CEGL001028 (similar) Artemisia tridentata ssp. vaseyana / Pascopyrum smithii Shrubland (similar) Artemisia tridentata ssp. vaseyana / Pascopyrum smithii Shrubland