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Panicum antidotale Ruderal Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Panicum antidotale Ruderal Herbaceous Vegetation
Reference: Western Ecology Working Group of...
Description: This desert grassland association occurs in southeastern Arizona on valley floors at elevations ranging from 970-1005 m (3190-3300 feet). Sites occur on flats or gentle slopes. Substrates are moderately to poorly drained clayey soils. This semi-natural grassland is characterized by dominance or codominance by <i>Panicum antidotale</i>, an introduced, perennial forage grass seeded and now naturalized throughout much of southern Arizona. Natural mixed desert grasslands have high species diversity and range in cover from relatively sparse to dense. This association is also variable in composition and cover and is defined by having 25% or more cover of <i>Panicum antidotale</i> or over a third of the total perennial graminoid cover for stands with a sparser herbaceous layer. <i>Panicum antidotale</i> also strongly dominates stands with few native species remaining. Associated species include <i>Amaranthus palmeri, Eragrostis curvula, Sorghum halepense</i>, and other species that are common on disturbed sites. Scattered shrubs, such as <i>Prosopis velutina</i> or <i>Acacia greggii</i>, may be present with low cover (&lt;10%). 
Accession Code: VB.CC.31790.CEGL005337
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 17-Nov-2014 to: 01-May-2019
     
  • status: Provisional
  • This Community's Level: association
  • This Community's Children: [none]
Names:   UID: ELEMENT_GLOBAL.2.806366 NatureServe ExplorerNatureServe Explorer logo
  Translated: Giant Panicgrass Ruderal Herbaceous Vegetation
  Code: CEGL005337
  Scientific: Panicum antidotale Ruderal Herbaceous Vegetation