Catalogue no.:	V-1113423
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	C.-F. Lundevall
Date:	1960 08 11
Country:	Sweden
Landskap:	Uppland
Socken:	Frötuna
Locality:	Harka