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Populus tremuloides / Amelanchier alnifolia Forest | NatureServe Biotics 2019
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Name: Populus tremuloides / Amelanchier alnifolia Forest
Reference: NatureServe Biotics 2019
Description: This aspen association occurs in the Rocky Mountains and is reported from Colorado to western Montana and into Ontario, Canada. Rangewide information is not available for the northern extent. In Colorado, stands are found on midslopes of hills and mountains on gentle slopes (4-5°) with warmer southeastern and western aspects at 2543 and 2724 m elevation. The vegetation is characterized by a moderately dense (40% cover) tree canopy dominated by 10- to 15-m tall <i>Populus tremuloides</i>. <i>Amelanchier alnifolia</i> dominates the tall-shrub layer with between 5-10% cover. The remaining shrub and dwarf-shrub cover is variable and may include <i>Crataegus rivularis, Prunus virginiana, Ribes inerme, Rosa woodsii, Salix scouleriana</i>, and <i>Symphoricarpos oreophilus</i>. <i>Quercus gambelii</i>, if present, has less than 5% cover. The herbaceous layer provides sparse cover because of the dense shade cast by the canopy. Common graminoid or forb species include <i>Bromus anomalus, Bromus ciliatus, Deschampsia cespitosa, Heracleum maximum, Ligusticum porteri</i>, and <i>Urtica dioica ssp. gracilis</i>; the exotic <i>Poa pratensis</i> provides less than 10% total cover. 
Accession Code: urn:lsid:vegbank.org:commConcept:29473-{ACAC54DA-68CA-469D-AA48-B0CEFE4DB17A}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 05-Jan-2007 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.687509 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL000564
  Translated: Quaking Aspen / Saskatoon Serviceberry Forest
  Scientific: Populus tremuloides / Amelanchier alnifolia Forest
(convergence) and Synonyms:
(similar) Populus tremuloides / Amelanchier alnifolia Forest
(similar) CEGL000564
(similar) Populus tremuloides / Amelanchier alnifolia Forest