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Pseudotsuga menziesii / Jamesia americana Forest | NatureServe Biotics 2019
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Name: Pseudotsuga menziesii / Jamesia americana Forest
Reference: NatureServe Biotics 2019
Description: This southern Rocky Mountain forest association occurs at elevations ranging from 2200-3000 m (7200-9500 feet) in Colorado. Stands occupy moderate to very steep slopes (26-100%) with cool northwestern and northern aspects and occasional high-elevation southerly slopes or shady draws. Site are relatively mesic and often have large rock and boulder outcrops. Soils are rocky, shallow to moderately deep sandy loam derived from a variety of parent materials. There is usually significant cover of rock and litter/duff (to 50% cover each). The vegetation is characterized by a moderately dense conifer tree canopy dominated by <i>Pseudotsuga menziesii</i> or a mixed montane conifer tree canopy. <i>Pseudotsuga menziesii</i> is the dominant tree species in the overstory and often in the understory as well. <i>Pinus ponderosa, Pinus flexilis, Pinus contorta</i>, or <i>Juniperus scopulorum</i> may be present to codominant, and scattered <i>Abies lasiocarpa</i> and <i>Populus tremuloides</i> may be present on moister or higher elevation sites. The typically moderately dense to dense shrub layer is dominated by <i>Jamesia americana</i>. Other shrubs may include <i>Acer glabrum, Arctostaphylos uva-ursi, Juniperus communis, Mahonia repens, Physocarpus monogynus, Ribes cereum, Shepherdia canadensis</i>, and <i>Rosa</i> spp. The herbaceous cover is generally sparse and composed of a mixture of dry and mesic montane grass and forb species. 
Accession Code: urn:lsid:vegbank.org:commConcept:29347-{4FB5F02A-417B-4F3A-A95E-59F6A95A1B81}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 10-Aug-2005 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.685103 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL000438
  Translated: Douglas-fir / Five-petal Cliffbush Forest
  Scientific: Pseudotsuga menziesii / Jamesia americana Forest
(convergence) and Synonyms:
(similar) CEGL000438
(similar) Pseudotsuga menziesii / Jamesia americana Forest
(similar) Pseudotsuga menziesii / Jamesia americana Forest