Catalogue no.:	V-1113362
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Carl Trägårdh
Date:	1890
Country:	Sweden
Landskap:	Södermanland
Socken:	Södertälje
Locality:	Maren, Södertälje