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A.2550 | EcoArt 2002
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Name: A.2550
Reference: EcoArt 2002
Description: This is a poorly documented alliance known from the foothills and lower mountain slopes of the northern Rocky Mountains of east-central and southeastern Idaho and probably western Wyoming. This alliance is found at the upper elevation range of ~Artemisia tridentata ssp. vaseyana$, from 2590 to 3205 m (8500-10,500 feet) on deep to very deep, well-drained soils of mountain slopes and bottoms in zones of higher snow accumulation. Annual precipitation often exceeds 18 inches and occurs primarily as snow. The shrub layer ranges from 0.5-1.5 m tall, and shrub canopy cover is 10-60%, of which ~Artemisia tridentata ssp. spiciformis$ contributes at least 40% relative cover. Other shrubs that may be present include ~Artemisia tridentata ssp. vaseyana, Symphoricarpos oreophilus$, and ~Chrysothamnus viscidiflorus$. Perennial graminoid cover is typically less than 20%. Common species include ~Bromus carinatus$ and ~Carex geyeri$. 
Accession Code: VB.CC.1815.A2550
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 15-Apr-2002 to: 17-Mar-2005
     
  • status: accepted
  • Community's Parent: III.A.4.N.a
  • This Community's Level: Alliance
  • This Community's Children: [none]
Names:   Scientific: ARTEMISIA TRIDENTATA SSP. SPICIFORMIS SHRUBLAND ALLIANCE
  Code: A.2550
  Common: Spiked Big Sagebrush Shrubland Alliance
(convergence) and Synonyms:
(undetermined) Artemisia tridentata ssp. spiciformis Shrubland Alliance