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Pseudotsuga menziesii / Betula occidentalis Woodland | Western Ecology Working Group of...
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Name: Pseudotsuga menziesii / Betula occidentalis Woodland
Reference: Western Ecology Working Group of...
Description: This plant association occurs in cool, narrow foothill canyons of the Colorado Front Range between 2000-2500 m (6600-8080 feet) in the upper Arkansas and South Platte river basins and in the Rio Grande National Forest. It may also occur in Utah and Nevada. Vegetation is limited to a narrow band along small, steep perennial streams in fairly shallow (65-135 inches), loamy alluvial soils. Pseudotsuga menziesii (20-50% cover) and Betula occidentalis (20-40% cover) are key indicators even if other tree and shrub species are abundant. Other tree species may include Populus angustifolia, Populus tremuloides, Juniperus scopulorum, Pinus ponderosa, Abies concolor, Abies lasiocarpa, or Picea pungens. The shrub canopy may be thick and diverse and include Alnus incana, Acer glabrum, Quercus gambelii, Salix bebbiana, Salix ligulifolia (= Salix eriocephala var. ligulifolia), Salix monticola, Salix irrorata, Rosa woodsii, Jamesia americana, and Cornus sericea. The herbaceous layer is generally sparse due to heavy shade; more abundant species include Maianthemum stellatum, Equisetum arvense, Carex disperma, and Melilotus officinalis. 
Accession Code: VB.CC.26948.PSEUDOTSUGAMENZ
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 07-Apr-1998 to: 17-Nov-2014
      Names:   Translated: Douglas-fir / Water Birch Woodland
  UID: ELEMENT_GLOBAL.2.689056 NatureServe ExplorerNatureServe Explorer logo
  Scientific: Pseudotsuga menziesii / Betula occidentalis Woodland
  Code: CEGL002639
(convergence) and Synonyms:
(undetermined) Pseudotsuga menziesii / Betula occidentalis Woodland