Catalogue no.:	V-1113411
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Date:	1875
Country:	Sweden
Landskap:	Uppland
Socken:	Rasbo
Locality:	Frötuna
Remarks:	Ur Frih. C. De Geers samlingar