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Sparganium angustifolium Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Sparganium angustifolium Herbaceous Vegetation Reference: Western Ecology Working Group of... Description: This aquatic association has been found in California, Oregon, Washington and Colorado, but likely occurs in many parts of montane, subalpine, alpine and boreal North America as this circumboreal species is reported from the western and northeastern U.S., Great Lakes region, across Canada and Alaska and likely is has a much wider distribution. This hydromorphic-rooted vegetation occurs in shallow water to 1 m deep. Stands occur in saturated or inundated sites such as swales and wet meadows and marshes, shallow ponds and near the shoreline of deeper ponds and lakes. Sites are generally permanently flooded but can be semipermanently flooded areas that lack standing water towards the end of the growing season. If the stand has dried, then bare soil and small rocks are exposed. The ponds are often located in mountain parks or meadows and are the result of stream oxbows or glacial basins in broad valleys. Soils are typically very poorly drained muck or peat and can contain embedded cobbles or rocks. Stands grow equally well on either gravelly or muddy bottoms. Salinity of water varies with the different parent materials. Diagnostic of this aquatic community is the strong dominance of <i>Sparganium angustifolium</i>. Vegetation consists of moderately dense mats of the hydromorphic-rooted plant <i>Sparganium angustifolium</i>. These vegetation mats are rarely over 0.6 m thick and may be much less depending on the depth of the pond. Stunted individuals may be less than 10 cm tall. Associated species with low cover include <i>Alisma triviale, Beckmannia syzigachne, Carex utriculata, Cicuta douglasii, Eleocharis palustris, Equisetum fluviatile, Galium trifidum, Glyceria borealis, Hippuris vulgaris, Lemna minor, Sium suave</i>, or <i>Typha</i> spp. Diagnostic of this aquatic association is the dominance of <i>Sparganium angustifolium</i>.  Accession Code: VB.CC.32600.CEGL001990 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.689289 NatureServe Explorer   Translated: Narrowleaf Bur-reed Herbaceous Vegetation   Scientific: Sparganium angustifolium Herbaceous Vegetation   Code: CEGL001990