Catalogue no.:	V-1110279
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton gramineus L.
Family:	Potamogetonaceae
Collector:	R.F. Fristedt & J.Fr. Björnström
Date:	1852 08 21
Country:	Sweden
Landskap:	Norrbotten
Socken:	Pajala
Locality:	Torneå älv vid Pajala
Remarks:	Herb. E. Fries