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Artemisia tridentata ssp. vaseyana / Poa secunda Shrubland | NatureServe Biotics 2019
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Name: Artemisia tridentata ssp. vaseyana / Poa secunda Shrubland Reference: NatureServe Biotics 2019 Description: Stands of this shrubland association are known from Craters of the Moon National Monument in Idaho and scattered locations in south-central and southeastern Oregon and northwestern Colorado. It is noted in northern and central Nevada, but these may be early-seral stands of other <i>Artemisia tridentata ssp. vaseyana</i> plant associations. At Craters of the Moon, this association is the most widespread vegetation type and is found on xeric sites with shallow soil, usually on (but not limited to) lava flows and cinder buttes. In the Uinta Basin, stands occur on gentle to moderate slopes on high plateaus between 2072 and 2427 m (6790-7960 feet) elevation. Soils in these sites are deep and well-developed and include clay loams, silt loams and sandy loams. <i>Artemisia tridentata ssp. vaseyana</i> dominates stands, though other shrubs, such as <i>Chrysothamnus viscidiflorus, Eriogonum microthecum, Linanthus pungens, Purshia tridentata, Amelanchier utahensis</i>, and <i>Symphoricarpos oreophilus</i>, are also common. <i>Poa secunda</i> dominates the relatively sparse herbaceous understory. Other perennial grasses, such as <i>Achnatherum thurberianum, Poa fendleriana, Hesperostipa comata</i>, and <i>Pseudoroegneria spicata</i>, are occasionally found on pockets of better soil. Common forbs include <i>Eriogonum heracleoides, Eriogonum ovalifolium, Trifolium gymnocarpon</i>, and <i>Eriogonum umbellatum</i>.  Accession Code: urn:lsid:vegbank.org:commConcept:29938-{633B014A-B0B3-4C96-A708-706CFE73FD8C} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 12-Nov-2008 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.2.687032 NatureServe Explorer   Code: CEGL001029   Translated: Mountain Big Sagebrush / Sandberg Bluegrass Shrubland   Scientific: Artemisia tridentata ssp. vaseyana / Poa secunda Shrubland (convergence) and Synonyms: (similar) CEGL001029 (similar) Artemisia tridentata ssp. vaseyana / Poa secunda Shrubland (similar) Artemisia tridentata ssp. vaseyana / Poa secunda Shrubland