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Picea mariana / Ledum groenlandicum / Carex trisperma / Sphagnum spp. Forest | Midwestern Ecology Working Group...
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Name: Picea mariana / Ledum groenlandicum / Carex trisperma / Sphagnum spp. Forest Reference: Midwestern Ecology Working Group... Description: This black spruce-dominated raised bog community type is found in the sub-boreal to boreal regions of the Great Lakes, elsewhere in the boreal region of central Canada, and across to Maine. Stands are typically on the crests of raised bog landforms in large peatland complexes, as well as in basin bogs. Sites are poorly drained, with wet organic substrates. Tree cover forms at least 25% canopy (and may be very dense), varying in height from 3 m to over 10 m. Picea mariana is often the sole species in the canopy. Larix laricina may occasionally occur. The dwarf-shrub layer is dominated by Ledum groenlandicum and other ericaceous shrubs, such as Chamaedaphne calyculata, Vaccinium myrtilloides, Vaccinium oxycoccos, Kalmia polifolia, Kalmia angustifolia, Gaultheria hispidula, and Andromeda polifolia. Picea mariana may also be found in scrub form in this layer. Ground cover consists of a species-poor herb layer, with Carex trisperma, Eriophorum vaginatum, and Maianthemum trifolium most prevalent. Moss cover is a Sphagnum carpet with patches of feathermoss (especially Pleurozium schreberi) and conifer litter beneath the trees. Dominant sphagnum species include Sphagnum magellanicum, Sphagnum fuscum, Sphagnum recurvum, and Sphagnum angustifolium, and less commonly, Sphagnum capillifolium (= Sphagnum nemoreum) and Sphagnum girgensohnii. Minerotrophic indicators, such as Betula pumila, Carex stricta, and Carex aquatilis, are absent.  Accession Code: VB.CC.23022.PICEAMARIANALED Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Picea mariana Saturated Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Black Spruce / Labrador-tea / Three-seed Sedge / Peatmoss species Forest   UID: ELEMENT_GLOBAL.2.686898 NatureServe Explorer   Code: CEGL002485   Common: Black Spruce Bog   Scientific: Picea mariana / Ledum groenlandicum / Carex trisperma / Sphagnum spp. Forest (convergence) and Synonyms: (undetermined) Picea mariana / Ledum groenlandicum / Carex trisperma / Sphagnum spp. Bog Woodland