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Pseudotsuga menziesii / Acer glabrum Forest | Western Ecology Working Group of...
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Name: Pseudotsuga menziesii / Acer glabrum Forest Reference: Western Ecology Working Group of... Description: This montane forest association occurs in the montane zone in the southern, central and northern Rocky Mountains. Sites are cool and moist, generally occurring on northern or eastern aspects, on steep, mid to lower slopes, and ravines or stream bottoms where cold-air drainage is a factor. Substrates are variable and may be gravelly or not, with soil texture ranging from sandy loam to clay derived from colluvium. The vegetation is characterized by a Pseudotsuga menziesii-dominated tree canopy with Acer glabrum dominating or codominating the understory. The evergreen needle-leaved tree canopy is generally moderately dense to dense (50-80% cover). Mature seral tree species like Pinus contorta, Pinus flexilis, Pinus ponderosa, Larix occidentalis, or Populus tremuloides may be present to codominant. The tall-shrub layer is open (patchy) to moderately dense and dominated or codominated by Acer glabrum with other tall shrubs such as Amelanchier alnifolia, Prunus virginiana, Sorbus scopulina, Spiraea betulifolia, or Salix scouleriana. An open to moderately dense short-shrub layer is usually present and often dominated by Physocarpus malvaceus with other species such as Lonicera utahensis, Mahonia repens, Paxistima myrsinites, Rosa spp., Ribes cereum, Symphoricarpos albus, or Symphoricarpos oreophilus. In some stands the tall- and short-shrub layers are not distinct. The herbaceous layer generally has low cover and is composed of diverse forbs with graminoids present to codominant.  Accession Code: VB.CC.26062.PSEUDOTSUGAMENZ Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Pseudotsuga menziesii Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Douglas-fir / Rocky Mountain Maple Forest   Scientific: Pseudotsuga menziesii / Acer glabrum Forest   UID: ELEMENT_GLOBAL.2.688567 NatureServe Explorer   Code: CEGL000418 (convergence) and Synonyms: (undetermined) Pseudotsuga menziesii / Acer glabrum Forest