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Abies lasiocarpa - Picea engelmannii Treeline Dry-Mesic Forest Alliance | NatureServe Biotics 2019
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Name: Abies lasiocarpa - Picea engelmannii Treeline Dry-Mesic Forest Alliance
Reference: NatureServe Biotics 2019
Description: These forests occur at or near treeline in the Front Range of the Rocky Mountains. Canopies are dominated by <i>Abies lasiocarpa</i> and/or <i>Picea engelmannii</i> and stand structure may take on a ribbon or tree island form. <i>Abies lasiocarpa, Pinus flexilis</i>, and <i>Pinus aristata</i> are minor components in the canopy and very infrequent in the understory. The shrub layer is sparse and species-poor although <i>Ribes montigenum</i> and <i>Vaccinium scoparium</i> may be present. Herbaceous species may be absent or sparse and typically include the forbs <i>Geum rossii</i> and <i>Trifolium dasyphyllum</i>. These forests occur at 3300-3450 m (10,810-11,320 feet) elevation, just below krummholz timberline. Sites are gentle to moderately steep slopes that are relatively xeric, cold and exposed. 
Accession Code: urn:lsid:vegbank.org:commConcept:38862-{2C06FA5A-35ED-4E8B-945C-8913AEE20D30}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 14-Mar-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899700 NatureServe ExplorerNatureServe Explorer logo
  Code: A3642
  Translated: Subalpine Fir - Engelmann Spruce Treeline Dry-Mesic Forest Alliance
  Common: Treeline Dry-Mesic Subalpine Fir - Engelmann Spruce Forest
  Scientific: Abies lasiocarpa - Picea engelmannii Treeline Dry-Mesic Forest Alliance