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Populus angustifolia - Pseudotsuga menziesii Woodland | Western Ecology Working Group of...
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Name: Populus angustifolia - Pseudotsuga menziesii Woodland
Reference: Western Ecology Working Group of...
Description: The riparian woodland association is found along small active streams in rocky, cool canyons and valleys between 2000-2700 m in Colorado, Utah, and Nevada. It occurs naturally in small stands on wash bottoms, streambanks, cobble bars and terraces where a northern or protected aspect creates cool micro-environments. A mix of Pseudotsuga menziesii (10-40% cover) and Populus angustifolia (10-60% cover) in the upper canopy is diagnostic, though they may be joined by other conifer species. Shrub cover is typically low, but highly variable and diverse, and may include Acer glabrum, Salix exigua, Alnus incana, Betula occidentalis, Salix lucida ssp. caudata, Clematis ligusticifolia, Ribes cereum, and Quercus gambelii. Herbaceous cover can be sparse and usually limited by heavy shade. This association represents a transition from lower montane to upper montane habitats. Nearly all stands observed have an adjacent north-facing slope with Pseudotsuga menziesii forests. These woodland are dependent upon flooding disturbance for regeneration of Populus angustifolia. 
Accession Code: VB.CC.22962.POPULUSANGUSTIF
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 09-Apr-1998 to: 17-Nov-2014
      Names:   Translated: Narrowleaf Cottonwood - Douglas-fir Woodland
  UID: ELEMENT_GLOBAL.2.687195 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL002641
  Scientific: Populus angustifolia - Pseudotsuga menziesii Woodland
(convergence) and Synonyms:
(undetermined) Populus angustifolia - Pseudotsuga menziesii Woodland