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Rhus virens var. choriophylla Shrubland Alliance | Western Ecology Working Group of...
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Name: Rhus virens var. choriophylla Shrubland Alliance
Reference: Western Ecology Working Group of...
Description: Shrublands included in this alliance occur in southeastern Arizona growing on north- and east-facing mountain slopes at 1600-1900 m in elevation. Typically, sites are on moderately steep to steep rocky slopes. On lower elevation sites, stands are restricted to mesic topographic positions. Soils are calcareous, derived from the limestone parent material. Stands have a moderately dense, diverse layer of broad-leaved deciduous and evergreen shrubs 2-3 m tall. The dominant, consistent species are Rhus virens var. choriophylla, an evergreen shrub, and Cercocarpus montanus var. paucidentatus, a deciduous shrub. Other characteristic shrubs include Quercus pungens, Mortonia scabrella (= Mortonia sempervirens ssp. scabrella), Ceanothus greggii, Nolina spp., and Dasylirion wheeleri. The usually sparse understory is dominated by graminoids such as Bouteloua curtipendula, Muhlenbergia emersleyi, Aristida purpurea var. nealleyi (= Aristida glauca), and Eragrostis intermedia with forbs like Viguiera dentata, Verbesina rothrockii, and Notholaena spp. Scattered trees, such as Pinus discolor, may be present. 
Accession Code: VB.CC.22095.RHUSVIRENSVARCH
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 01-May-2019
     
  • status: accepted
  • This Community's Level: Alliance
  • This Community's Children: [none]
Names:   Scientific: Rhus virens var. choriophylla Shrubland Alliance
  Translated: Evergreen Sumac Shrubland Alliance
  UID: HIGHER_CLASS_UNIT.2.126656 NatureServe ExplorerNatureServe Explorer logo
  Code: A.922