Catalogue no.:	V-1111125
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton x nitens Weber
Family:	Potamogetonaceae
Collector:	C.O. Schlyter
Date:	1882 08
Country:	Sweden
Landskap:	Gästrikland
Socken:	Gävle
Locality:	Trösken