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Populus deltoides ssp. wislizeni / Acer negundo Flooded Woodland | NatureServe Biotics 2019
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Name: Populus deltoides ssp. wislizeni / Acer negundo Flooded Woodland
Reference: NatureServe Biotics 2019
Description: This association is described from its occurrences on narrow alluvial terraces in the canyons of the Yampa and Green rivers in northwestern Colorado and occurs farther south in southeastern Utah. Stands occupy wet areas of slot canyons and the rocky or sandy banks of the main channels. Soils are sandy and derived from alluvium, and may have large rocks scattered over the ground surface. The canopy consists of <i>Populus deltoides ssp. wislizeni</i> with between 40 and 55% cover, with a subcanopy dominated by <i>Acer negundo</i> with a cover of 10 to 45%. Other trees in the subcanopy may include <i>Juniperus osteosperma</i> and <i>Celtis laevigata var. reticulata</i>. Clumps of <i>Rhus trilobata, Fraxinus anomala</i>, or <i>Amelanchier utahensis</i> range from 15 to 30% cover, and there may be scattered individuals of <i>Chrysothamnus viscidiflorus, Krascheninnikovia lanata</i>, and <i>Opuntia polyacantha</i>. <i>Bromus tectorum</i> dominates the herbaceous layer with 10 to 20% cover. Other herbaceous species present, each with 1 to 5% cover, include <i>Elymus repens, Leymus cinereus, Sporobolus airoides, Distichlis spicata</i>, and <i>Lepidium latifolium</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:31245-{9B138B8D-74D5-4D71-948F-8E574D9E0AC5}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 11-Oct-2007 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.758364 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL002336
  Translated: Rio Grande Cottonwood / Box-elder Flooded Woodland
  Scientific: Populus deltoides ssp. wislizeni / Acer negundo Flooded Woodland
(convergence) and Synonyms:
(similar) Populus deltoides ssp. wislizeni / Acer negundo Woodland