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Bouteloua eriopoda - Bouteloua gracilis Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Bouteloua eriopoda - Bouteloua gracilis Herbaceous Vegetation Reference: Western Ecology Working Group of... Description: This grassland association occurs on tablelands in a transition zone between the Southern Great Plains and the Chihuahuan Desert in southern New Mexico. It likely extends into adjacent Texas and northern Mexico. Stands have also been described from colluvial slopes in northwestern New Mexico and from valley bottoms, slopes and benches in isolated desert mountains in southwestern New Mexico. Elevations range from 1430-1950 m. Sites are often flat to gently sloping, but range to moderately steep with variable aspects. Soils are often gravelly or sandy loam derived from gravely and sandy alluvium parent materials. On mesa tops the soils are finer-textured sandy and silty loam. This association is characterized by sparse to moderate cover of perennial bunch grasses, of which Bouteloua eriopoda (1-20% cover) and Bouteloua gracilis (1-12% cover) are the most abundant and characteristic species. Other perennial grasses that may be present include several Aristida spp., Bouteloua curtipendula, Bouteloua hirsuta, Eragrostis intermedia, Pleuraphis jamesii (= Hilaria jamesii), and Pleuraphis mutica (= Hilaria mutica). The forb component is variable and may be diverse, but total forb cover is less than 10% and often less than 5%. Forb species typical of these desert grasslands may include species of Croton, Eriogonum, Sida, Solanum, Sphaeralcea, Talinum, or Zinnia. Some stands have scattered shrubs present, typically with less than 5% cover. Species include Ephedra trifurca, Gutierrezia sarothrae, Opuntia imbricata, Prosopis glandulosa, and Yucca elata. The diagnostic characteristics of this sparse to moderately dense grassland are the codominance of Bouteloua eriopoda and Bouteloua gracilis often with scattered shrubs.  Accession Code: VB.CC.22890.BOUTELOUAERIOPO Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Bouteloua eriopoda Herbaceous Alliance This Community's Level: Association This Community's Children: [none]		Names:   Code: CEGL001748   Translated: Black Grama - Blue Grama Herbaceous Vegetation   Scientific: Bouteloua eriopoda - Bouteloua gracilis Herbaceous Vegetation   Common: Black Grama - Blue Grama Shortgrass Prairie   UID: ELEMENT_GLOBAL.2.686295 NatureServe Explorer (convergence) and Synonyms: (undetermined) Bouteloua eriopoda - Bouteloua gracilis Herbaceous Vegetation