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Acer negundo / Equisetum arvense Riparian Forest | NatureServe Biotics 2019
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Name: Acer negundo / Equisetum arvense Riparian Forest
Reference: NatureServe Biotics 2019
Description: This plant association occurs in the Overthrust Mountains of northeastern Utah, in northwestern Colorado and possibly in Idaho and Wyoming. Stands generally occur on the banks of low-gradient streams that experience periodic flooding and scouring that remove non-rhizomatous species. The association occurs in narrow valleys below 2000 m in elevation. Stream gradients are low, terraces slope gently, the water table is high through at least part of the growing season, and soils are generally sandy and derived from alluvium. <i>Acer negundo</i> dominates the open overstory with a dense understory of <i>Equisetum arvense</i>. Canopy cover is at least 20%. Shrubs occur in patches and may include <i>Salix exigua, Salix monticola, Tamarix ramosissima, Rhus trilobata</i>, and <i>Sambucus nigra ssp. cerulea</i>. Herbaceous species are mostly crowded out by the <i>Equisetum</i>; there may be occasional stems of <i>Maianthemum stellatum, Mentha arvensis, Clematis ligusticifolia, Elymus glaucus</i>, and the introduced grasses <i>Agrostis stolonifera</i> and <i>Poa pratensis</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:29535-{434D5A25-0626-4901-A8BE-94D8EFBC274F}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 29-Sep-2005 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.687613 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL000626
  Translated: Box-elder / Field Horsetail Riparian Forest
  Scientific: Acer negundo / Equisetum arvense Riparian Forest
(convergence) and Synonyms:
(similar) CEGL000626
(similar) Acer negundo / Equisetum arvense Forest
(similar) Acer negundo / Equisetum arvense Forest