Catalogue no.:	V-1113342
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	A.Y. Grevillius
Date:	1877 08
Country:	Sweden
Landskap:	Östergötland
Socken:	Skedevi
Locality:	Johanneslund i Tismaren