Catalogue no.:	V-1112044
Taxon:	Potamogeton natans L.
Label:	Potamogeton natans
Family:	Potamogetonaceae
Date:	1878
Country:	Sweden
Landskap:	Uppland
Socken:	Frötuna
Locality:	Frötuna
Remarks:	Ur Frih. C. De Geers samlingar