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Psorothamnus spinosus Intermittently Flooded Shrubland Alliance | Western Ecology Working Group of...
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Name: Psorothamnus spinosus Intermittently Flooded Shrubland Alliance Reference: Western Ecology Working Group of... 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.22683.PSOROTHAMNUSSPI Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Jun-2001 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: Psorothamnus spinosus Intermittently Flooded Shrubland Alliance   Translated: Smokethorn Intermittently Flooded Shrubland Alliance   UID: HIGHER_CLASS_UNIT.2.125877 NatureServe Explorer   Code: A.2520