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Salix exigua / Equisetum arvense Shrubland | Western Ecology Working Group of...
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Name: Salix exigua / Equisetum arvense Shrubland Reference: Western Ecology Working Group of... Description: This shrubland is a riparian tall-shrub vegetation type that grows on sediment bars and channel edges at middle elevations in mountains of the northwestern U.S. In eastern Idaho and western Wyoming stands of this type generally are found at elevations below 2160 m (7100 feet) and are bordered by other riparian shrublands or by Picea engelmannii forests, while stands in eastern Oregon are found between 914 and 1323 m (3000-4340 feet) next to Pinus ponderosa, Pseudotsuga menziesii, or Abies grandis forests. Soils are cobbly in the lower horizons but may contain virtually no coarse fragments in the surface horizon. The shrub layer is dense, 1 to 2 m (3-6.5 feet) tall, and dominated by Salix exigua or Salix melanopsis, and sometimes contains small amounts of other shrubs. The herbaceous undergrowth contains substantial amounts of Equisetum arvense or Calamagrostis canadensis. Stands of this type depend on floods that create new sediment bars for their establishment, but they have been little affected by recent flooding beyond deposition of small amounts of sediment. Stands of this association are distinguished from stands of other Salix exigua or Salix melanopsis associations by the presence of at least 5% canopy cover of Equisetum arvense or at least 25% canopy cover of Calamagrostis canadensis in the undergrowth.  Accession Code: VB.CC.28406.SALIXEXIGUAEQUI 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: Salix (exigua, interior) Temporarily Flooded Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Coyote Willow / Field Horsetail Shrubland   Scientific: Salix exigua / Equisetum arvense Shrubland   UID: ELEMENT_GLOBAL.2.686541 NatureServe Explorer   Code: CEGL001201   Common: Sandbar Willow / Common Horsetail Shrubland (convergence) and Synonyms: (undetermined) Salix exigua / Equisetum arvense Shrubland