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Populus angustifolia / Crataegus rivularis Riparian Woodland | NatureServe Biotics 2019
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Name: Populus angustifolia / Crataegus rivularis Riparian Woodland
Reference: NatureServe Biotics 2019
Description: This riparian woodland association is found on the lower slopes (2400-2500 m elevation) of the San Juan Mountains and along wide, sinuous tributaries of the San Miguel and Yampa rivers in western Colorado. Stands occur away from the main channel along dry back channels or ephemeral streams in sandy clay soils. This open to moderately dense deciduous woodland is characterized by mature <i>Populus angustifolia</i> trees (10-57% cover) in the overstory and dense stands of <i>Crataegus rivularis</i> (10-70% cover) in the understory. Tree canopy often includes other species, such as <i>Pinus ponderosa, Quercus gambelii</i>, and <i>Pseudotsuga menziesii</i>. The shrub canopy is usually diverse, with no single species codominant in all stands. Common shrubs include <i>Rosa woodsii, Cornus sericea, Symphoricarpos rotundifolius</i>, and several <i>Salix</i> species, including <i>Salix bebbiana, Salix ligulifolia</i>, and <i>Salix monticola</i>. Forb and graminoid cover is minimal due to dry soil conditions. 
Accession Code: urn:lsid:vegbank.org:commConcept:31552-{178DB1EE-7A3B-4E8C-8433-B3E58F1EEA41}
Plot-observations of this Community Concept: 10
      Party Perspective according to: NatureServe (organization)
Perspective from: 10-Jan-2006 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.684957 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL002644
  Translated: Narrowleaf Cottonwood / River Hawthorn Riparian Woodland
  Scientific: Populus angustifolia / Crataegus rivularis Riparian Woodland
(convergence) and Synonyms:
(similar) CEGL002644
(similar) Populus angustifolia / Crataegus rivularis Woodland
(similar) Populus angustifolia / Crataegus rivularis Woodland