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Chamaedaphne calyculata - Ledum groenlandicum - Kalmia polifolia Bog Dwarf-shrubland | Midwestern Ecology Working Group...
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Name: Chamaedaphne calyculata - Ledum groenlandicum - Kalmia polifolia Bog Dwarf-shrubland Reference: Midwestern Ecology Working Group... Description: This dwarf-shrub bog community is found in the northern Great Lakes region and across much of central Canada. Sites are found on raised bog landforms in large peatland complexes, basin bogs, and occasionally on shores (but still isolated from groundwater influence). Stands have a saturated hydrology with a fibric Sphagnum spp. peat soil and a pH usually <4.3. Vegetation is dominated by an open dwarf-shrub/scrub conifer layer with very scattered trees (<10% cover). Microtopography is high hummocks with weakly developed hollows. Ericaceous dwarf-shrubs are dominant, including Chamaedaphne calyculata, Kalmia polifolia, and Ledum groenlandicum, and the creeping dwarf-shrubs Andromeda polifolia and Vaccinium oxycoccos. Scrub conifers include Larix laricina and Picea mariana. They also occur as scattered trees (>3m). The herb layer is species poor, containing Carex oligosperma, Carex pauciflora, Eriophorum vaginatum, and Sarracenia purpurea. The moss layer forms a continuous hummocky mat dominated by Sphagnum angustifolium, Sphagnum fuscum, and Sphagnum magellanicum. Diagnostic features include the dominance of a dwarf-shrub ericaceous layer, absence of a tree layer (<10%), species-poor herbaceous layer, and almost complete lack of minerotrophic indicators, such as Betula pumila, Carex aquatilis, and Carex stricta. A possible subtype may occur in which pools form near the bogs crests, and contain maritime species such as Scheuchzeria palustris, Rhynchospora alba, Sphagnum cuspidatum, and Utricularia cornuta.  Accession Code: VB.CC.23264.CHAMAEDAPHNECAL Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 31-Mar-2000 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:   Translated: Leatherleaf - Labrador-tea - Bog Laurel Bog Dwarf-shrubland   Common: Leatherleaf Bog   UID: ELEMENT_GLOBAL.2.686954 NatureServe Explorer   Scientific: Chamaedaphne calyculata - Ledum groenlandicum - Kalmia polifolia Bog Dwarf-shrubland   Code: CEGL005278 (convergence) and Synonyms: (undetermined) Chamaedaphne calyculata - Ledum groenlandicum - Kalmia polifolia Bog Dwarf-shrubland