Catalogue no.:	V-1110173
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton gramineus L.
Family:	Potamogetonaceae
Country:	Sweden
Landskap:	Dalarna
Socken:	Älvdalen
Locality:	Älvdalen
Remarks:	Herb. Hartman