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Ayenia microphylla / Bouteloua eriopoda Shrub Grassland | NatureServe Biotics 2019
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Name: Ayenia microphylla / Bouteloua eriopoda Shrub Grassland
Reference: NatureServe Biotics 2019
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 1050 to 1080 m (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 15-30 cm (6-12 inches). This association is composed of a moderate abundance of the perennial bunchgrass <i>Bouteloua eriopoda</i> intermixed with the dwarf-shrub <i>Ayenia microphylla</i>. A sparse layer of taller shrubs and small trees is also present; species include <i>Fouquieria splendens, Parkinsonia microphylla, Lycium berlandieri, Opuntia</i> spp., and <i>Larrea tridentata</i>. Forbs include <i>Allionia incarnata</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:30638-{E6D76F94-67FA-4CCD-A6EE-5A35F09B3F84}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.689741 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL001729
  Translated: Dense Ayenia / Black Grama Shrub Grassland
  Scientific: Ayenia microphylla / Bouteloua eriopoda Shrub Grassland
(convergence) and Synonyms:
(similar) Ayenia microphylla / Bouteloua eriopoda Shrub Herbaceous Vegetation
(similar) Ayenia microphylla / Bouteloua eriopoda Shrub Herbaceous Vegetation
(similar) CEGL001729