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Pseudotsuga menziesii / Physocarpus monogynus Forest | NatureServe Biotics 2019
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Name: Pseudotsuga menziesii / Physocarpus monogynus Forest
Reference: NatureServe Biotics 2019
Description: This Rocky Mountain forest association occurs from the Sangre de Cristo Range and San Mateo Mountains in northern and central New Mexico to the Wind River Range and Bighorn Mountains in Wyoming and into Montana east of the Continental Divide. Elevations range from 1800-2900 m (5900-9500 feet) in Colorado and 1860-2015 m (6100-6600 feet) in northern Wyoming. These forests occupy moderate to steep slopes with cool northwestern and eastern aspects and extend into drainages at lower elevations where there is cold-air drainage. Substrates are rocky and range from sandy loam to silty loam soils. 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, Picea engelmannii</i>, and <i>Populus tremuloides</i> may be present on moister or higher elevation sites. The moderately dense shrub layer is dominated by <i>Physocarpus monogynus</i>. Other shrubs may include <i>Acer glabrum, Jamesia americana, Juniperus communis, Mahonia repens, Spiraea betulifolia, Symphoricarpos rotundifolius</i>, and <i>Rosa</i> spp. The herbaceous cover is variable, ranging from sparse to moderate, and is composed of a mixture of montane forbs and graminoids. 
Accession Code: urn:lsid:vegbank.org:commConcept:29358-{682DC3BD-6D0A-4AD0-8E5F-BB1DBE89C18B}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 30-Oct-2018 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.686319 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL000449
  Translated: Douglas-fir / Mountain Ninebark Forest
  Scientific: Pseudotsuga menziesii / Physocarpus monogynus Forest
(convergence) and Synonyms:
(similar) CEGL000449
(similar) Pseudotsuga menziesii / Physocarpus monogynus Forest
(similar) Pseudotsuga menziesii / Physocarpus monogynus Forest