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Thuja occidentalis - Fraxinus nigra Forest | Midwestern Ecology Working Group...
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Name: Thuja occidentalis - Fraxinus nigra Forest
Reference: Midwestern Ecology Working Group...
Description: This white-cedar - black ash forest community is found in the sub-boreal regions of the Great Lakes in the United States and Canada where it occurs on wet, saturated soils. Substrate is well-decomposed peat, and hummocky topography is present. Canopy cover is variable, sometimes fairly open. Thuja occidentalis and Fraxinus nigra dominate the canopy, but some stands may have Fraxinus in the upper canopy and Thuja in the lower canopy. Thuja tends to occur on the hummocks and Fraxinus in the hollows. Populus tremuloides can be a major component, but this may be caused by logging of Thuja. Acer rubrum, Betula alleghaniensis, and Picea glauca may also be present. Shrubs include Acer spicatum, Cornus alternifolia, Lonicera canadensis, Ribes spp., and Rubus pubescens. The herb rich layer includes Aralia nudicaulis, Arisaema triphyllum, Clintonia borealis, Cornus canadensis, Dryopteris carthusiana, Galium triflorum, Maianthemum canadense, Tiarella cordifolia and Trientalis borealis. 
Accession Code: VB.CC.25816.THUJAOCCIDENTAL
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 17-Nov-2014
      Names:   Translated: Northern White-cedar - Black Ash Forest
  Scientific: Thuja occidentalis - Fraxinus nigra Forest
  UID: ELEMENT_GLOBAL.2.689486 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005165
  Common: White-cedar - Black Ash Swamp
(convergence) and Synonyms:
(undetermined) Thuja occidentalis - Fraxinus nigra Forest