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Potamogeton natans - Polygonum amphibium Aquatic Vegetation Alliance | NatureServe Biotics 2019
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Name: Potamogeton natans - Polygonum amphibium Aquatic Vegetation Alliance
Reference: NatureServe Biotics 2019
Description: This alliance is of aquatic floating vegetation dominated by <i>Myriophyllum spicatum, Polygonum amphibium, Potamogeton diversifolius, Potamogeton foliosus, Potamogeton natans, Potamogeton richardsonii</i> , or <i>Stuckenia filiformis</i> or a combination of these. Associated species include <i>Brasenia schreberi, Nuphar polysepala, Sagittaria cuneata</i>, and <i>Utricularia macrorhiza</i>. They generally all occur in shallow ponds that are either bedrock or sand, filled by snowmelt or summer runoff. Elevation ranges from 100-2530 m (300-8300 feet). Ponds and other waterbodies are permanently wet; however, some may have water levels that vary greatly during the year. 
Accession Code: urn:lsid:vegbank.org:commConcept:39137-{91C7B6D2-D369-4D2A-AAA2-01E5C0B375A8}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 14-Mar-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899978 NatureServe ExplorerNatureServe Explorer logo
  Code: A3927
  Translated: Floating Pondweed - Water Knotweed Aquatic Vegetation Alliance
  Common: Western Floating Pondweed - Knotweed Aquatic Vegetation
  Scientific: Potamogeton natans - Polygonum amphibium Aquatic Vegetation Alliance