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Sporobolus wrightii - Panicum obtusum Grassland | NatureServe Biotics 2019
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Name: Sporobolus wrightii - Panicum obtusum Grassland
Reference: NatureServe Biotics 2019
Description: This desert grassland is found in southwestern New Mexico, southeastern Arizona and Chihuahua, Mexico. It possibly occurs in Trans-Pecos Texas and Sonora, Mexico. Stands are restricted to bottomlands, washes, lowland swales and alluvial stream terraces that are subject to flooding. Elevations are roughly 1400-1560 m. Soil texture ranges from silt to clay to clay loam. Some sites had significant amounts of gravel. Parent material is silt or clay alluvium. Stands have a moderately dense herbaceous layer (30-70% cover) dominated by the tall perennial bunchgrass <i>Sporobolus wrightii</i>. <i>Panicum obtusum, Bouteloua gracilis, Chloris virgata</i>, and <i>Eragrostis</i> spp. are commonly present. Forbs are generally sparse (&lt;5% cover) and may include species of <i>Portulaca, Ambrosia, Solanum</i>, and <i>Datura</i>. The diagnostic characteristics of this grassland association are the dominance of <i>Sporobolus wrightii</i> and the presence of <i>Panicum obtusum</i> (which can dominant local areas). 
Accession Code: urn:lsid:vegbank.org:commConcept:30395-{2E86E41E-3F7B-4066-ADB8-93352E3AF6E1}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.686165 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL001486
  Translated: Big Sacaton - Vine-mesquite Grassland
  Common: Big Sacaton - Vine-mesquite Tallgrass Prairie
  Scientific: Sporobolus wrightii - Panicum obtusum Grassland
(convergence) and Synonyms:
(similar) Sporobolus wrightii - Panicum obtusum Herbaceous Vegetation
(similar) Sporobolus wrightii - Panicum obtusum Herbaceous Vegetation
(similar) CEGL001486