Catalogue no.:	V-1113435
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	C.O. Schlyter
Date:	1881 08 26
Country:	Sweden
Landskap:	Gästrikland
Socken:	Gävle
Locality:	Trösken