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Purshia tridentata - Artemisia tridentata ssp. tridentata Shrubland | Western Ecology Working Group of...
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Name: Purshia tridentata - Artemisia tridentata ssp. tridentata Shrubland Reference: Western Ecology Working Group of... Description: This plant association is described from data collected in St. Anthony Dunes area, Fremont County, Idaho, within the Snake River Basalts ecoregional section. The plant association occurs in areas of stabilized sands, in a region of actively moving dunes. It is found extending windward at approximately 365 m from the actively moving dune edge. At these sites stable sand deposits are 150 years old or greater. Soils are deep, fine- to medium-grained sand. Despite very low moisture levels during the dry season, soil moisture available to plants is apparently adequate, perhaps due to the low soil moisture tension of sand. The plant association is composed of a dense shrub layer, generally less than 2 m in height, although individuals of all shrub species were occasionally taller. Purshia tridentata and Artemisia tridentata ssp. tridentata provide the most cover, but large clumps (>10 m in diameter) of Prunus virginiana occur patchily in some examples of the association. The understory herbaceous layer is diverse, but is strongly dominated by the perennial forb Balsamorhiza sagittata and the bunchgrass Hesperostipa comata (= Stipa comata).  Accession Code: VB.CC.21590.PURSHIATRIDENTA 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: Purshia tridentata Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Bitterbrush - Basin Big Sagebrush Shrubland   UID: ELEMENT_GLOBAL.2.683119 NatureServe Explorer   Code: CEGL001054   Scientific: Purshia tridentata - Artemisia tridentata ssp. tridentata Shrubland   Common: Antelope Bitterbrush - Big Sagebrush Shrubland (convergence) and Synonyms: (undetermined) Purshia tridentata - Artemisia tridentata ssp. tridentata Shrubland