Catalogue no.:	V-1113379
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	C.H. Johanson
Date:	1883 08
Country:	Sweden
Landskap:	Västmanland
Socken:	Västerås
Locality:	Västerås, Mälaren