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Betula glandulosa / Carex lasiocarpa Shrub Fen | NatureServe Biotics 2019
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Name: Betula glandulosa / Carex lasiocarpa Shrub Fen Reference: NatureServe Biotics 2019 Description: This association is limited to rich and extremely rich fens in far northern Idaho and west-central and northwestern Montana. It is suspected to occur in adjacent British Columbia and Alberta, Canada. It occurs at low to mid-elevations (e.g., as low as 744 m [2440 feet] in northern Idaho) on organic (peat) soils that are saturated all year, except for the highest of hummocks. Stands most often occur in the shrub-carr mosaic adjacent to beaver ponds or lakes where they form the margins of wetter graminoid/bryophyte-dominated fens (e.g., <i>Carex lasiocarpa</i> swards) and floating mats. <i>Betula glandulosa</i> (or possibly hybrids with <i>Betula pumila</i>) dominates the shrub overstory, which averages about 25% cover, and its height ranges from 0.5 to 2.0 m, apparently depending on the degree of substrate aeration. <i>Salix candida</i> is frequently associated with low cover. The graminoid understory is dominated by <i>Carex lasiocarpa</i>, with occasionally abundant <i>Eleocharis elliptica</i>?, <i>Carex</i> spp., and <i>Eriophorum</i> spp. also present. <i>Menyanthes trifoliata</i> is a common forb. There is frequently a nearly continuous moss layer characterized by <i>Tomentypnum nitens, Bryum pseudotriquetrum, Campylium stellatum</i>, and <i>Limprichtia revolvens</i>. <i>Sphagnum</i> moss tends to be lacking or only present in low amounts and with low species diversity.  Accession Code: urn:lsid:vegbank.org:commConcept:31608-{A16A30B6-39D8-484B-825D-487281D7DC64} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 28-Sep-2004 to: ongoing
	status: accepted Community's Parent: Betula nana Alkaline Shrub Fen Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.741266 NatureServe Explorer   Code: CEGL002700   Translated: Resin Birch / Woolly-fruit Sedge Shrub Fen   Scientific: Betula glandulosa / Carex lasiocarpa Shrub Fen (convergence) and Synonyms: (similar) Betula glandulosa / Carex lasiocarpa Shrubland (similar) Betula nana / Carex lasiocarpa Shrubland