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Agricultural Research Service
U.S. Department of Agriculture

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Potamogeton epihydrus

Potamogeton epihydrus Raf.  
Family: Potamogetonaceae
[Potamogeton claytonii Tuck., morePotamogeton epihydrus subsp. nuttallii (Cham. & Schltdl.) Calder & Roy L.Taylor]
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