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Laurentian-Acadian Acidic Scrub & Grassland Group | NatureServe Biotics 2019
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Name: Laurentian-Acadian Acidic Scrub & Grassland Group
Reference: NatureServe Biotics 2019
Description: This Laurentian and near-boreal outcrop group is found across central southern Canada and the upper Midwest of the United States. It is found on ridges or summits of resistant acidic bedrock at low to mid elevations with soils ranging from sands to loams. The vegetation is patchy, often a mosaic of woodlands and open glades and typically dominated by various conifers, including <i>Pinus banksiana</i> and <i>Picea mariana</i>, with occasional <i>Picea glauca</i> or <i>Populus tremuloides</i>. Hardwoods include <i>Quercus rubra, Quercus ellipsoidalis</i>, and <i>Populus tremuloides</i>. Structure can vary from treed to low heath shrubs to open lichen woodland. Common grass species include <i>Danthonia spicata, Oryzopsis asperifolia</i>, and <i>Poa compressa</i>. Dwarf-shrubs include <i>Comptonia peregrina, Juniperus</i> spp. and <i>Vaccinium</i> spp. <i>Pteridium aquilinum</i> may form an almost continuous canopy of fronds in some stands. Exposure and occasional fire are the major factors in keeping the vegetation relatively open. 
Accession Code: urn:lsid:vegbank.org:commConcept:40360-{DF9E0CA0-7010-4DBA-B8B0-08656586ECC5}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 04-May-2015 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.931842 NatureServe ExplorerNatureServe Explorer logo
  Code: G788
  Scientific: Laurentian-Acadian Acidic Scrub & Grassland Group