Catalogue no.:	V-1111871
Taxon:	Potamogeton lucens x perfoliatus
Label:	Potamogeton lucens
Family:	Potamogetonaceae
Collector:	E.P. Fries
Date:	1853 07 04
Country:	Sweden
Landskap:	Uppland
Socken:	Knivsta
Locality:	Ledinge sjön Valloxen
Remarks:	Herb. E. Fries