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Picea mariana / Chamaedaphne calyculata / Sphagnum spp. Dwarf-shrubland | Midwestern Ecology Working Group...
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Name: Picea mariana / Chamaedaphne calyculata / Sphagnum spp. Dwarf-shrubland Reference: Midwestern Ecology Working Group... Description: This muskeg community is found in the sub-boreal regions of the Great Lakes in the United States and is widespread in Canada. Sites are on the crests of raised bogs in large peatland complexes, in basin bogs, and occasionally on shores isolated from groundwater influence. Vegetation structure is complex with a dominant layer of dwarf-shrubs, stunted trees and hummock-hollow microtopography. Ericaceous dwarf-shrubs dominate the stand, with over 40% cover. Dominant species include Andromeda polifolia var. glaucophylla, Chamaedaphne calyculata, Kalmia polifolia, and Ledum groenlandicum. Creeping dwarf-shrubs include Gaultheria hispidula and Vaccinium oxycoccos. Trees average about 10-25% cover, may be stunted (3 m tall) and are often clumped on higher hummocks with intervening, weakly-developed hollows. Typical species include Picea mariana and Larix laricina. The herbaceous layer contains graminoids such as Carex oligosperma, Carex pauciflora, and Eriophorum vaginatum, and forbs such as Maianthemum stellatum and Sarracenia purpurea. The nonvascular layer contains a carpet of Sphagnum (including Sphagnum fuscum and Sphagnum magellanicum), with patches of Pleurozium schreberi.  Accession Code: VB.CC.23138.PICEAMARIANACHA Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 02-Mar-1998 to: 17-Nov-2014
	status: accepted Community's Parent: Chamaedaphne calyculata Saturated Dwarf-shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Common: Black Spruce / Leatherleaf Semi-treed Bog   Translated: Black Spruce / Leatherleaf / Peatmoss species Dwarf-shrubland   UID: ELEMENT_GLOBAL.2.686925 NatureServe Explorer   Code: CEGL005218   Scientific: Picea mariana / Chamaedaphne calyculata / Sphagnum spp. Dwarf-shrubland (convergence) and Synonyms: (undetermined) Picea mariana / Chamaedaphne calyculata / Sphagnum spp. Open Bog Woodland