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Nuphar advena Tidal Marsh | NatureServe Biotics 2019
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Name: Nuphar advena Tidal Marsh
Reference: NatureServe Biotics 2019
Description: This association comprises submerged freshwater tidal mudflats of coastal rivers along the Atlantic coast that are dominated by <i>Nuphar advena</i>. This association occurs at low elevations within freshwater tidal marshes, within tidal range but beyond the influence of salinity. It generally occurs below mean low-water level where water depth is approximately 1-3 m or less. It receives a relatively long duration of flooding and is infrequently exposed at only the lowest tides. The association occurs on unconsolidated tidal mudflats and submerged point bars of large coastal river meanders adjacent to open water of river or tidal creek channels. Substrate is silty alluvial mud that is reported to be high in organic matter content at some sites; soil samples from 10 Virginia sites for this vegetation vary in humic matter content from 2 to 26% (mean = 11.5%). Vegetation of this association is characterized by large clonal stands of dense leafy forbs dominated by <i>Nuphar advena</i>. Associated species tend to occur as scattered individuals and include <i>Peltandra virginica</i>, which can also be locally codominant, <i>Pontederia cordata, Zizania aquatica, Sagittaria latifolia, Bidens laevis, Acorus calamus</i>, and/or <i>Bolboschoenus fluviatilis</i>. <i>Nuphar advena</i> forms nearly monotypic stands early in the growing season. Associated species emerge later in the season and can eventually overtop <i>Nuphar</i> plants, which senesce and tend to become insect-infested in late summer. Submerged aquatic species can occur in this association, including <i>Potamogeton epihydrus, Ceratophyllum demersum</i>, and the invasive exotic <i>Hydrilla verticillata</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:33260-{B2B859C1-6314-4A83-B02D-5092F1B8E0C8}
Plot-observations of this Community Concept: 31
      Party Perspective according to: NatureServe (organization)
Perspective from: 11-Mar-2008 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.688122 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL004472
  Translated: Broadleaf Pond-lily Tidal Marsh
  Common: Broadleaf Pond-lily Tidal Marsh
  Scientific: Nuphar advena Tidal Marsh
(convergence) and Synonyms:
(similar) Nuphar lutea ssp. advena Tidal Herbaceous Vegetation
(similar) CEGL004472
(similar) Nuphar advena Tidal Herbaceous Vegetation