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Larix laricina / Chamaedaphne calyculata / Carex lasiocarpa Acidic Peatland | NatureServe Biotics 2019
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Name: Larix laricina / Chamaedaphne calyculata / Carex lasiocarpa Acidic Peatland
Reference: NatureServe Biotics 2019
Description: This tamarack / ericaceous scrub poor fen is found in the northern Great Lakes region of the United States and into central Canada. Stands occur on peatlands with low exposure to minerotrophic groundwater including basin fens, shores above the level of the seasonal flooding, and larger peatlands. The water regime is saturated, and the substrate is fibric to mesic peat. The microtopography is low to intermediate hummocks with hollows. The vegetation is an open fen dominated by ericaceous shrubs, sedges, and <i>Sphagnum</i> spp. The scattered tree layer of <i>Larix laricina</i> and <i>Picea mariana</i> &gt;2 m is less than 10%. The low-shrub layer is dominated by <i>Betula pumila, Chamaedaphne calyculata, Larix laricina, Salix discolor</i>, and <i>Salix pedicellaris</i>. The herb layer is somewhat low in diversity, with graminoids including the dominant <i>Carex lasiocarpa</i>, as well as <i>Carex chordorrhiza</i> and <i>Carex limosa</i>. <i>Carex oligosperma</i> may also occur. Forbs include <i>Sarracenia purpurea, Maianthemum trifolium</i>, and <i>Menyanthes trifoliata</i>. Mosses include <i>Sphagnum capillifolium, Sphagnum fuscum</i> and <i>Sphagnum magellanicum</i>. Diagnostic features include the ericaceous and tree scrub cover, the somewhat lower species diversity compared to richer fens, and <i>Carex lasiocarpa</i> more common than <i>Carex oligosperma</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:33989-{B2BBA679-B8C5-4D1F-8B30-CF3F31D27C56}
Plot-observations of this Community Concept: 2
      Party Perspective according to: NatureServe (organization)
Perspective from: 01-Dec-1999 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.688058 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005226
  Translated: Tamarack / Leatherleaf / Woolly-fruit Sedge Acidic Peatland
  Common: Tamarack Scrub Poor Fen
  Scientific: Larix laricina / Chamaedaphne calyculata / Carex lasiocarpa Acidic Peatland
(convergence) and Synonyms:
(similar) CEGL005226
(similar) Larix laricina / Chamaedaphne calyculata / Carex lasiocarpa Shrubland
(similar) Larix laricina / Chamaedaphne calyculata / Carex lasiocarpa Shrubland