Catalogue no.:	V-1113447
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Gunnar Lohammar
Date:	1936 07 23
Country:	Sweden
Landskap:	Hälsingland
Socken:	Idenor
Locality:	Vikarsjön