Catalogue no.:	V-1111126
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton x nitens Weber
Family:	Potamogetonaceae
Collector:	Robert Hartman
Date:	1874
Country:	Sweden
Landskap:	Gästrikland
Socken:	Gävle
Locality:	Gefle [Gävle]: Trösken
Remarks:	Herb. Hartman