Catalogue no.:	V-1113453
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	J.Ax. Nannfeldt
Date:	1939 08 14
Country:	Sweden
Landskap:	Hälsingland
Socken:	Söderala
Locality:	viken V om Tärnharen