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Picea mariana - Larix laricina / Sphagnum spp. Poor Swamp Forest Alliance | NatureServe Biotics 2019
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Name: Picea mariana - Larix laricina / Sphagnum spp. Poor Swamp Forest Alliance Reference: NatureServe Biotics 2019 Description: This poor (acidic) conifer swamp is found in the boreal region of eastern Canada, excluding the Atlantic boreal region, southward into the subboreal regions of northern Great Lakes region and northeastern United States. The vegetation is dominated by <i>Picea mariana</i> with other canopy associates including <i>Abies balsamea, Larix laricina</i>, and <i>Betula papyrifera</i>. Most stands have a well-developed shrub layer. Shrubs are typically ericaceous species such as <i>Chamaedaphne calyculata, Gaylussacia baccata</i> (in the east), <i>Kalmia angustifolia</i> (in Quebec), <i>Ledum groenlandicum, Linnaea borealis, Rhododendron canadense</i> (in the east), <i>Vaccinium angustifolium</i>, and <i>Vaccinium myrtilloides</i>. Herbs include <i>Carex trisperma, Drosera</i> spp., <i>Eriophorum</i> spp., and <i>Sarracenia purpurea</i>. There is a continuous and often deep sphagnum layer, including especially <i>Sphagnum capillifolium</i>, but also <i>Sphagnum fuscum, Sphagnum girgensohnii</i>, and <i>Sphagnum magellanicum</i>. The habitat is characterized by poorly drained mineral soils or deep peats and minerotrophic peatland margins. The peats and groundwater are acidic and are most typically nutrient-poor. Most stands are on level ground, but some are on gentle lower slopes adjacent to wetlands.  Accession Code: urn:lsid:vegbank.org:commConcept:38030-{7A328097-A7A6-4379-A684-3DD06BF0A1D0} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Sep-2014 to: ongoing
	status: accepted Community's Parent: Picea mariana Ontario-Québec Boreal Poor Swamp Group This Community's Level: Alliance This Community's Children: Show/Hide   Larix laricina / Chamaedaphne calyculata - Vaccinium corymbosum / Carex trisperma Forest   Picea mariana - (Larix laricina) / Ledum groenlandicum / Sphagnum spp. Swamp Forest   Pinus banksiana - (Picea mariana) - Mixed Hardwoods / Sphagnum spp. Swamp Forest		Names:   UID: ELEMENT_GLOBAL.2.898972 NatureServe Explorer   Code: A0197   Translated: Black Spruce - Tamarack / Peatmoss species Poor Swamp Forest Alliance   Common: Eastern Boreal Black Spruce Poor Swamp Forest   Scientific: Picea mariana - Larix laricina / Sphagnum spp. Poor Swamp Forest Alliance