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Populus tremuloides - Picea glauca Subboreal Rocky Woodland Alliance | NatureServe Biotics 2019
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Name: Populus tremuloides - Picea glauca Subboreal Rocky Woodland Alliance
Reference: NatureServe Biotics 2019
Description: This alliance is composed of dry-mesic rocky woodlands occurring on rocky ridgelines within the subboreal regions of the northwestern Great Lakes in the United States and adjacent Canada. Sites occur on both dry-mesic sandy soils and shallow, loamy soils over bedrock. Crown and surface fires were common historically. Canopy cover ranges from 25-80% and the canopy is dominated by <i>Betula papyrifera</i> and <i>Populus tremuloides</i> or, less commonly, <i>Picea glauca</i>. <i>Populus grandidentata</i> may occur in some examples. Shrub and herbaceous layers are variable and range in cover from 5 to 80%. <i>Corylus cornuta</i> can be common in the shrub layer. Herbaceous diagnostics include <i>Achillea millefolium</i> and <i>Chamerion angustifolium</i>. Nonvascular cover ranges from 0-60% cover. Typical lichens include <i>Cladonia</i> spp. and foliose lichens; the most abundant moss is <i>Pleurozium schreberi</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:39049-{B9FE04F7-1230-4D50-932E-28BFABB806B0}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 18-Dec-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899889 NatureServe ExplorerNatureServe Explorer logo
  Code: A3837
  Translated: Quaking Aspen - White Spruce Subboreal Rocky Woodland Alliance
  Common: Subboreal Rocky Aspen - Spruce Woodland
  Scientific: Populus tremuloides - Picea glauca Subboreal Rocky Woodland Alliance