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Pascopyrum smithii - Bouteloua gracilis Great Plains Grassland Alliance | NatureServe Biotics 2019
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Name: Pascopyrum smithii - Bouteloua gracilis Great Plains Grassland Alliance Reference: NatureServe Biotics 2019 Description: This alliance of the southern Great Plains, Chihuahuan Desert and western New Mexico mountains of the United States was once an extensive grassland. Ground cover is characterized by scattered bunchgrasses and patches of the rhizomatous grasses and litter with exposed soil and gravel in the intergrass spaces. Luxuriant cover that can be dominated by either <i>Bouteloua gracilis</i> or <i>Pascopyrum smithii</i> typifies this grassland. Graminoid diversity is usually low, with scattered grasses such as <i>Elymus elymoides, Koeleria macrantha</i>, and <i>Muhlenbergia repens</i> often present. In Kansas, <i>Bouteloua curtipendula</i> and <i>Bouteloua dactyloides</i> may also be present. The shrub layer is very open and moderate in diversity and generally includes <i>Atriplex canescens</i> and <i>Krascheninnikovia lanata</i> (which both occur as phases and can become dominant in disturbed areas), as well as <i>Cylindropuntia imbricata</i> and <i>Opuntia phaeacantha</i>. Forb diversity and cover are generally low. Stands occur within montane swales or along upland valley bottoms. It generally occurs on northerly or northeasterly aspects at elevations between 915 and 2440 m (3000-8000 feet). Slopes are typically gentle with fine-textured and well-developed soils that are predominantly from eroded Paleozoic sandstone and limestone.  Accession Code: urn:lsid:vegbank.org:commConcept:39249-{ED66F43D-D80C-4AE3-BC8E-188A5CC0B4ED} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 18-Dec-2014 to: ongoing
	status: accepted Community's Parent: Schizachyrium scoparium - Bouteloua curtipendula - Pascopyrum smithii Mixedgrass Prairie Group This Community's Level: Alliance This Community's Children: Show/Hide   Pascopyrum smithii - Bouteloua gracilis Grassland		Names:   UID: ELEMENT_GLOBAL.2.900090 NatureServe Explorer   Code: A4039   Translated: Western Wheatgrass - Blue Grama Great Plains Grassland Alliance   Common: Great Plains Western Wheatgrass - Blue Grama Grassland   Scientific: Pascopyrum smithii - Bouteloua gracilis Great Plains Grassland Alliance