Catalogue no.:	V-1113486
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Arvid Frisendahl
Date:	1903 08
Country:	Sweden
Landskap:	Norrbotten
Socken:	Piteå
Locality:	Piteå landsförsamling, Robertsfors