Catalogue no.:	V-1197193
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton gramineus x perfoliatus
Family:	Potamogetonaceae
Collector:	Sigrid Nordlund
Date:	1900 08
Country:	Sweden
Landskap:	Uppland
Socken:	Värmdö
Locality:	Wermdö [Värmdö]