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Prosopis velutina Ruderal Desert Scrub Alliance | NatureServe Biotics 2019
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Name: Prosopis velutina Ruderal Desert Scrub Alliance
Reference: NatureServe Biotics 2019
Description: This ruderal alliance occurs as the common invasive upland shrublands found in former semi-desert grasslands in the foothills and piedmonts in the Sky Island region of southern Arizona and adjacent Mexico, and north into the lower Mogollon Rim foothills. The open to dense, tall (2-5 m) to short (&lt;2 m) shrub layer dominated by <i>Prosopis velutina</i>. Associated species that may codominate or form a short-shrub layer include <i>Acacia greggii, Atriplex canescens, Calliandra eriophylla, Fouquieria splendens</i>, and <i>Mimosa dysocarpa</i>. Grass cover is generally low and composed of desert grasses such as <i>Dasyochloa pulchella, Muhlenbergia porteri</i>, and <i>Pleuraphis mutica</i>. Scattered juniper trees may be present. <i>Larrea tridentata</i> is absent or has low cover. Substrates are typically derived from alluvium. During the last century, the area occupied by this vegetation has increased through conversion of desert grasslands as a result of drought, overgrazing by livestock, and/or decreases in fire frequency. 
Accession Code: urn:lsid:vegbank.org:commConcept:38451-{0E979BF0-DFDF-45F5-A22F-4701E99367A9}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 21-Dec-2015 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899288 NatureServe ExplorerNatureServe Explorer logo
  Code: A3163
  Translated: Velvet Mesquite Ruderal Desert Scrub Alliance
  Common: Ruderal Velvet Mesquite Desert Scrub
  Scientific: Prosopis velutina Ruderal Desert Scrub Alliance