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Ayenia microphylla / Bouteloua eriopoda Shrub Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Ayenia microphylla / Bouteloua eriopoda Shrub Herbaceous Vegetation
Reference: Western Ecology Working Group of...
Description: This is a very poorly known desert grassland association. It is reported from one study in south-central Arizona, near Tucson, in a region known for its low annual precipitation and extreme summer heat. The one reported stand of the type occurred on an ungrazed mesa top at an elevation ranging from 3450-3550 feet. The mesa is composed of basalts, and the entire mesa top was bouldery and cobbly. The stand sampled is associated with clay loam soils, and caliche was found at a depth of 6-12 inches. This association is composed of a moderate abundance of the perennial bunchgrass Bouteloua eriopoda intermixed with the dwarf-shrub Ayenia microphylla. A sparse layer of taller shrubs and small trees is also present; species include Fouquieria splendens, Parkinsonia microphylla, Lycium berlandieri, Opuntia spp., and Larrea tridentata. Forbs include Allionia incarnata. 
Accession Code: VB.CC.25834.AYENIAMICROPHYL
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 17-Nov-2014
      Names:   Translated: Small-leaf Ayenia / Black Grama Shrub Herbaceous Vegetation
  UID: ELEMENT_GLOBAL.2.689741 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL001729
  Scientific: Ayenia microphylla / Bouteloua eriopoda Shrub Herbaceous Vegetation
(convergence) and Synonyms:
(undetermined) Ayenia microphylla / Bouteloua eriopoda Shrub Herbaceous Vegetation