Catalogue no.:	V-1113393
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Edward Grape
Date:	1897
Country:	Sweden
Landskap:	Uppland
Socken:	Älvkarleby
Locality:	Harnäs