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Picea mariana - (Larix laricina) / Ledum groenlandicum / Sphagnum spp. Forest | Midwestern Ecology Working Group...
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Name: Picea mariana - (Larix laricina) / Ledum groenlandicum / Sphagnum spp. Forest Reference: Midwestern Ecology Working Group... Description: This community is found in the northern Great Lakes and Northern Appalachian/Boreal region of the United States and Canada and elsewhere in the boreal regions of central and eastern Canada. Sites are found on level, wet sites with organic soils, but not generally as components of large open peatlands. These sites are poorly drained and acidic, allowing a moderate to thick layer of peat to accumulate. Nutrient levels are very low. The overstory of this community is dominated by conifers. The tree canopy is closed to broken to closed with a moderately well-developed low-shrub layer, sparse herbaceous layer, and a carpet of mosses. The canopy is often pure Picea mariana. The only other trees that are occasionally found with it are Abies balsamea, Larix laricina, and Pinus banksiana. The shrubs are primarily ericaceous and include Chamaedaphne calyculata, Gaultheria hispidula, Kalmia polifolia, Ledum groenlandicum, and Vaccinium myrtilloides, as well as Cornus canadensis. In the Northeast, shrubs may include Kalmia angustifolia, Nemopanthus mucronatus, Viburnum nudum var. cassinoides, or Rhododendron canadense. The few herbaceous species that live in this community include Carex trisperma, Eriophorum vaginatum var. spissum, Clintonia borealis, and Maianthemum trifolium (= Smilacina trifolia). Sphagnum spp., Dicranum polysetum, and Pleurozium schreberi are the major species constituting the abundant moss layer.  Accession Code: VB.CC.27170.PICEAMARIANALAR Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 27-Jun-2000 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 - (Tamarack) / Labrador-tea / Peatmoss species Forest   UID: ELEMENT_GLOBAL.2.689094 NatureServe Explorer   Scientific: Picea mariana - (Larix laricina) / Ledum groenlandicum / Sphagnum spp. Forest   Code: CEGL005271   Common: Black Spruce - Tamarack / Labrador-tea Poor Swamp (convergence) and Synonyms: (undetermined) Picea mariana - (Larix laricina) / Ledum groenlandicum / Sphagnum spp. Forest