Catalogue no.:	V-1113339
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Vilhelm Carlsson
Date:	1903
Country:	Sweden
Landskap:	Östergötland
Socken:	Åtvid
Locality:	Bysjön