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Pinus contorta var. murrayana - Pinus contorta var. latifolia Swamp Forest Alliance | NatureServe Biotics 2019
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Name: Pinus contorta var. murrayana - Pinus contorta var. latifolia Swamp Forest Alliance
Reference: NatureServe Biotics 2019
Description: This riparian woodland alliance is characterized by <i>Pinus contorta</i>. Other conifers sometimes present may include <i>Abies grandis, Abies lasiocarpa, Abies magnifica var. shastensis, Picea engelmannii, Pinus flexilis</i>, or <i>Tsuga mertensiana</i>. The short-shrub layer may be present with <i>Dasiphora fruticosa ssp. floribunda, Ledum glandulosum, Lonicera caerulea, Spiraea douglasii, Vaccinium cespitosum</i>, and/or <i>Vaccinium uliginosum</i>. Herbaceous species are not abundant in shrubby stands. Associate species often present can include <i>Carex angustata, Fragaria</i> spp., <i>Geum macrophyllum, Ligusticum grayi, Maianthemum stellatum, Thalictrum occidentale</i>, and <i>Trifolium longipes</i>. Some stands have a lush herbaceous layer is dominated by tall graminoids such as <i>Calamagrostis canadensis</i>. This forest alliance occurs in upper montane riparian or wetland areas in the Rocky Mountains and Sierra Nevada. Sites are flat, wet, relatively cold floodplain and basin landforms. Stands occur in forested margins of meadows, lake or forest basins, and along valley bottoms. In all cases, the sites are flat to gently sloping. 
Accession Code: urn:lsid:vegbank.org:commConcept:38972-{EAC4DC16-8C72-45CD-A70B-AC49889EDC30}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Sep-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899810 NatureServe ExplorerNatureServe Explorer logo
  Code: A3758
  Translated: Sierra Lodgepole Pine - Tall Lodgepole Pine Swamp Forest Alliance
  Common: Sierra Lodgepole Pine - Tall Lodgepole Pine Swamp Forest
  Scientific: Pinus contorta var. murrayana - Pinus contorta var. latifolia Swamp Forest Alliance