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Populus deltoides ssp. wislizeni / Rhus trilobata Woodland | Western Ecology Working Group of...
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Name: Populus deltoides ssp. wislizeni / Rhus trilobata Woodland
Reference: Western Ecology Working Group of...
Description: This woodland association is documented from the Colorado, Yampa and San Miguel/Dolores river basins in western Colorado and northeastern Utah below 1680 m (5500 feet) in elevation. An ecologically similar association with a different subspecies of cottonwood, <i>Populus deltoides ssp. monilifera</i>, is known from southeastern Colorado. Both of these associations represent a late-seral stage of maturing cottonwoods. The trees are usually large and widely spaced with thick patches of <i>Rhus trilobata</i> in between and underneath the overstory canopy. <i>Populus deltoides ssp. wislizeni</i> with a <i>Rhus trilobata</i> understory form this late-seral plant association. <i>Populus angustifolia</i> becomes an important overstory component at higher elevations in the Colorado River basin. Other shrubs commonly present are <i>Artemisia tridentata ssp. tridentata, Cornus sericea, Chrysothamnus linifolius, Symphoricarpos</i> spp., <i>Shepherdia argentea, Tamarix ramosissima</i> (an exotic), and <i>Salix exigua</i>. The forb understory is usually sparse and consists mainly of <i>Cirsium arvense</i> (an exotic), <i>Asclepias speciosa</i>, and <i>Melilotus officinalis (= Melilotus albus)</i> (another exotic). Graminoid cover ranges from 10-30% and consists mostly of introduced species such as <i>Poa pratensis, Bromus inermis</i>, and <i>Elymus repens (= Elytrigia repens)</i>. 
Accession Code: VB.CC.33315.CEGL000940
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 17-Nov-2014 to: 01-May-2019
     
  • status: accepted
  • This Community's Level: association
  • This Community's Children: [none]
Names:   UID: ELEMENT_GLOBAL.2.684223 NatureServe ExplorerNatureServe Explorer logo
  Translated: Rio Grande Cottonwood / Skunkbush Sumac Woodland
  Scientific: Populus deltoides ssp. wislizeni / Rhus trilobata Woodland
  Code: CEGL000940