Catalogue no.:	V-1113405
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Tore Fries
Date:	1902 08
Country:	Sweden
Landskap:	Uppland
Socken:	Uppsala
Locality:	Flottsund