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Achnatherum hymenoides Shrub Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Achnatherum hymenoides Shrub Herbaceous Vegetation
Reference: Western Ecology Working Group of...
Description: Stands occur in the southern Colorado Plateau on low to moderately steep slopes at elevations from 1485-2131 m (4869-6991 feet). Landforms are variable and range from hills, mesas, sideslopes, bajadas to stands along drainage channels and in sand deposits. Substrates are typically sandy soils, but textures range from sandy loam to clay loam. There may be low cover of gravel. The vegetation is characterized by a lush perennial herbaceous layer dominated by <i>Achnatherum hymenoides</i> with an open shrub layer. The total shrub cover ranges from 5-20%. The total herbaceous cover ranges from 50-75%. The shrub stratum is typically composed of a mixture of shrub species, although one may dominate. Common shrubs include scattered <i>Atriplex canescens, Ephedra torreyana, Ericameria nauseosa, Eriogonum leptophyllum, Gutierrezia sarothrae, Parryella filifolia, Purshia tridentata, Tetradymia canescens</i>, or <i>Yucca angustissima</i>. The average height for the shrub stratum is 1-2 m. The herbaceous stratum is dominated by the native grass <i>Achnatherum hymenoides</i>; other herbaceous species present may include <i>Pleuraphis jamesii, Poa fendleriana</i>, or <i>Sporobolus airoides</i>. The non-native invasive species <i>Bromus tectorum</i> and <i>Carduus nutans ssp. macrolepis</i> both occur with significant cover. 
Accession Code: VB.CC.31909.CEGL003300
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 17-Nov-2014 to: 01-May-2019
     
  • status: Provisional
  • This Community's Level: association
  • This Community's Children: [none]
Names:   UID: ELEMENT_GLOBAL.2.683142 NatureServe ExplorerNatureServe Explorer logo
  Translated: Indian Ricegrass Shrub Herbaceous Vegetation
  Code: CEGL003300
  Scientific: Achnatherum hymenoides Shrub Herbaceous Vegetation