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A.2520 | EcoArt 2002
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Name: A.2520
Reference: EcoArt 2002
Description: This xeromorphic tall shrubland alliance occurs locally in moderate-sized washes in the Mojave, Colorado and Sonoran deserts. Stands are restricted to growing in intermittently flooded channels. Substrates are typically sandy-textured alluvium without cobbles or boulders. It may form a matrix with other wash vegetation alliances. The vegetation is characterized by an open, xeromorphic, tall-shrub layer (3-5 m tall) that is dominated by ~Psorothamnus spinosus$. Individuals may reach 4 m. Other tall shrubs/small trees present may include ~Acacia greggii, Chilopsis linearis, Olneya tesota$, or ~Parkinsonia florida$. A sparse short-shrub layer of species such as ~Ambrosia dumosa, Bebbia juncea, Baccharis emoryi, Encelia farinosa, Ericameria$ spp., ~Hymenoclea salsola, Hyptis emoryi, Larrea tridentata, Petalonyx thurberi$, or ~Stephanomeria pauciflora$ may also be present. The herbaceous layer is sparse and consists of annuals or is absent. 
Accession Code: VB.CC.1783.A2520
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Jun-2001 to: 17-Mar-2005
     
  • status: accepted
  • Community's Parent: III.B.3.N.b
  • This Community's Level: Alliance
  • This Community's Children: [none]
Names:   Scientific: PSOROTHAMNUS SPINOSUS INTERMITTENTLY FLOODED SHRUBLAND ALLIANCE
  Code: A.2520
  Common: Smokethorn Intermittently Flooded Shrubland Alliance
(convergence) and Synonyms:
(undetermined) Psorothamnus spinosus Intermittently Flooded Shrubland Alliance