Catalogue no.:	V-1113546
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Gunnar von Frenckell
Date:	1903 07 10
Country:	Finland
Landskap:	Nylandia
Socken:	Porvoo
Locality:	par. Pernå, Tervik
Habitat:	Havsvik