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Artemisia tridentata ssp. vaseyana / Poa secunda Shrubland | Western Ecology Working Group of...
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Name: Artemisia tridentata ssp. vaseyana / Poa secunda Shrubland Reference: Western Ecology Working Group of... Description: Stands of the plant association are known from Craters of the Moon National Monument in Idaho and scattered locations in south-central and southeastern Oregon. It is noted in northern and central Nevada, but these may be early seral stands of other Artemisia tridentata ssp. vaseyana plant associations. Although uncommon throughout the range of Artemisia tridentata ssp. vaseyana, at Craters of the Moon National Monument, this plant association is the most widespread vegetation type. At the national monument, the plant association is found on xeric sites with shallow soil. Sites are usually on (but not limited to) lava flows and cinder buttes. Artemisia tridentata ssp. vaseyana dominates stands, though other shrubs, such as Ericameria spp. (= Chrysothamnus spp.), Eriogonum microthecum, Leptodactylon pungens, and Purshia tridentata, are also common. Poa secunda dominates the relatively sparse herbaceous understory. Other perennial grasses, such as Achnatherum thurberianum and Pseudoroegneria spicata, are occasionally found on pockets of better soil. Common forbs include Eriogonum heracleoides, Eriogonum ovalifolium, and Eriogonum umbellatum.  Accession Code: VB.CC.23750.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. vaseyana Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Mountain Big Sagebrush / Curly Bluegrass Shrubland   UID: ELEMENT_GLOBAL.2.687032 NatureServe Explorer   Code: CEGL001029   Scientific: Artemisia tridentata ssp. vaseyana / Poa secunda Shrubland (convergence) and Synonyms: (undetermined) Artemisia tridentata ssp. vaseyana / Poa secunda Shrubland