Catalogue no.:	V-1113072
Taxon:	Potamogeton pectinatus L.
Label:	Potamogeton cfr. pectinatus
Family:	Potamogetonaceae
Collector:	Rutger Sernander
Date:	1918 08 16
Country:	Sweden
Landskap:	Uppland
Socken:	Vätö
Locality:	Roslagen, Arholma, sjön Fladen