Catalogue no.:	V-1111115
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton x nitens Weber
Family:	Potamogetonaceae
Collector:	J.E. Zetterstedt
Date:	1851 08 18
Country:	Sweden
Landskap:	Södermanland / Uppland
Socken:	Stockholm
Locality:	Stockholm