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Aristida purpurea var. longiseta - Sporobolus cryptandrus Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Aristida purpurea var. longiseta - Sporobolus cryptandrus Herbaceous Vegetation Reference: Western Ecology Working Group of... Description: This grassland community is found in Oregon and Washington, and may occur in Idaho. Stands are found at elevations of 370-460 m (1200-1500 feet) on terraces and alluvial bars associated with the Snake River. Slopes are 5-22% with variable aspects. Soils are silt or sandy loams underlain by gravel and rock. This vegetation is codominated by Sporobolus cryptandrus, Aristida purpurea var. longiseta, and introduced annual Bromus spp. with 15%, 14%, and 36% cover, respectively. Non-native forbs, Hypericum perforatum and Erodium cicutarium are important forbs with 5% and 1% cover, respectively. In the absence of significant livestock use, this community would have increased cover of Sporobolus cryptandrus and Aristida purpurea var. longiseta, and no introduced species.  Accession Code: VB.CC.25970.ARISTIDAPURPURE 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: Sporobolus cryptandrus Herbaceous Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Red Three-awn - Sand Dropseed Herbaceous Vegetation   UID: ELEMENT_GLOBAL.2.688561 NatureServe Explorer   Code: CEGL001515   Scientific: Aristida purpurea var. longiseta - Sporobolus cryptandrus Herbaceous Vegetation (convergence) and Synonyms: (undetermined) Aristida purpurea var. longiseta - Sporobolus cryptandrus Herbaceous Vegetation