Catalogue no.:	V-1113334
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Per H. Johansson
Date:	1920 07 11
Country:	Sweden
Landskap:	Östergötland
Socken:	Vreta Kloster
Locality:	Göta kanal vid Malforsbro