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A.1528 | EcoArt 2002
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Name: A.1528
Reference: EcoArt 2002
Description: This alliance is distributed from the Columbia Basin east to the northern Rockies. Climates range from semi-arid in intermountain basins to subhumid in higher elevations of the Rocky Mountains. Stands occur on flat to steeply sloping upland sites. Soil texture is loam, sandy loam, or clay loam, but is highly variable. Vegetation is characterized by an open, conspicuous shrub layer with herbaceous species having equal or greater coverage. ~Artemisia tripartita$ typically has 10-25% cover. ~Artemisia frigida, Artemisia tridentata ssp. tridentata, Artemisia tridentata ssp. vaseyana, Chrysothamnus viscidiflorus, Krascheninnikovia lanata, Purshia tridentata$, or ~Tetradymia canescens$ may also be common. The herbaceous stratum is typically dominated by graminoids and of moderate to moderately high cover (25-70%). ~Pseudoroegneria spicata$ and ~Festuca idahoensis$ are the most common associates. Other locally abundant graminoid species include ~Hesperostipa comata (= Stipa comata), Festuca campestris, Carex filifolia, Bouteloua curtipendula, Bouteloua gracilis$, and ~Koeleria macrantha$. Forbs form a minor and highly variable portion of this vegetation. Recurrent species include ~Achillea millefolium, Camelina microcarpa, Balsamorhiza sagittata, Sphaeralcea coccinea, Erigeron$ spp., ~Opuntia$ spp., and ~Phlox$ spp. 
Accession Code: VB.CC.1287.A1528
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 17-Mar-2005
     
  • status: accepted
  • Community's Parent: V.A.7.N.e
  • This Community's Level: Alliance
  • This Community's Children: [none]
Names:   Scientific: ARTEMISIA TRIPARTITA SSP. TRIPARTITA SHRUB HERBACEOUS ALLIANCE
  Code: A.1528
  Common: Threetip Sagebrush Shrub Herbaceous Alliance
(convergence) and Synonyms:
(undetermined) Artemisia tripartita ssp. tripartita Shrub Herbaceous Alliance