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Rhus trilobata - Crataegus rivularis - Forestiera pubescens Shrubland Alliance | NatureServe Biotics 2019
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Name: Rhus trilobata - Crataegus rivularis - Forestiera pubescens Shrubland Alliance
Reference: NatureServe Biotics 2019
Description: This semi-riparian shrubland alliance is dominated by <i>Corylus cornuta, Crataegus rivularis, Elaeagnus commutata, Forestiera pubescens, Rhamnus alnifolia, Shepherdia argentea</i>, and/or <i>Rhus trilobata</i>, generally in monotypic stands, but they can be mixed as well. Other shrub associates may include <i>Prunus virginiana</i>. It is an eclectic mix of mesic shrubs that form small, narrow stands at the base of steep hills and cliffs and along washes and upper benches and terraces of riparian areas. These are "fringe" riparian shrublands that occur on upper benches and terraces, dry washes and areas near but not necessarily in the wettest part of riparian areas, but which receive more moisture than surrounding upland slopes. Often these are single-species shrublands, but all occupy similar environments. The alliance has a broad north to south range in the Rocky Mountains and throughout the cool interior western U.S. 
Accession Code: urn:lsid:vegbank.org:commConcept:39013-{3D6E6DF1-0610-4956-8714-D42F13A69063}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 17-Oct-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899851 NatureServe ExplorerNatureServe Explorer logo
  Code: A3799
  Translated: Skunkbush Sumac - River Hawthorn - Stretchberry Shrubland Alliance
  Common: Skunkbush Sumac - River Hawthorn - Stretchberry Shrubland
  Scientific: Rhus trilobata - Crataegus rivularis - Forestiera pubescens Shrubland Alliance