Catalogue no.:	V-1113493
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Erik Marklund
Date:	1908 08 11
Country:	Sweden
Landskap:	Norrbotten
Socken:	Piteå
Locality:	Öjebyn, Hjärtudden