Catalogue no.:	V-1110237
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton x nitens var. heterophyllus
Family:	Potamogetonaceae
Collector:	Merèdin Svendsen
Date:	1894 08 26
Country:	Denmark
Province:	Sjælland
Locality:	Ulse sø ved Haske