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Chamaedaphne calyculata Saturated Dwarf-shrubland Alliance | Eastern Ecology Working Group of...
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Name: Chamaedaphne calyculata Saturated Dwarf-shrubland Alliance Reference: Eastern Ecology Working Group of... Description: This alliance is found in the northern regions of the midwestern and northeastern United States as well as many regions of Canada in what are typically referred to as 'bogs.' In the peatlands of North Carolina, some elements are part of the pocosin landscape. The ground layer is dominated by ericaceous dwarf-shrubs (>25%). In the north, scattered and stunted (less than 10 m tall) Picea mariana and Larix laricina may be present, but tree cover is less than 25%. The ground layer is dominated by Chamaedaphne calyculata, with Kalmia polifolia and Andromeda polifolia var. glaucophylla (= Andromeda glaucophylla) typical associates in sub-boreal and boreal regions. Other characteristic species in these regions are Drosera rotundifolia and Sarracenia purpurea. The ground layer has a continuous mat of sphagnum mosses, usually dominated by Sphagnum magellanicum, Sphagnum fuscum, or Sphagnum angustifolium. In the southern portion of the range, vegetation of this alliance is found in mucky peat-burns or other openings which form a mosaic with various shrublands (e.g., Cyrilla racemiflora - Zenobia pulverulenta Shrubland) in low, medium, or high pocosins (including ombrotrophic blanket bogs) of the outer Coastal Plain of North Carolina. Other characteristic species include Eriophorum virginicum, Calamovilfa brevipilis, Carex striata var. striata, Utricularia subulata, Lysimachia asperulifolia, Peltandra virginica, Vaccinium macrocarpon, Rhynchospora alba, Polygala brevifolia, and Nymphaea odorata. Stands of this alliance occur both in areas that are truly ombrotrophic (receiving nutrients from rainfall only), with pH <4.2, and areas that are somewhat influenced by groundwater. In the north, this alliance often develops in areas on Picea mariana bogs that become too wet to support black spruce.  Accession Code: VB.CC.17997.CHAMAEDAPHNECAL Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: Chamaedaphne calyculata Saturated Dwarf-shrubland Alliance   Translated: Leatherleaf Saturated Dwarf-shrubland Alliance   UID: HIGHER_CLASS_UNIT.2.125138 NatureServe Explorer   Code: A.1092