Catalogue no.:	V-1111135
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton x nitens f. elongatus
Family:	Potamogetonaceae
Collector:	F.K. Ravn
Date:	1895 08 03
Country:	Denmark
Province:	Jylland
Locality:	Skern å
Habitat:	In aqua rapide fluente, solum arenoso-limosum