Catalogue no.:	V-1111101
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton (gramineus x perfoliatus) var. subperfoliatus f. lacuus
Family:	Potamogetonaceae
Collector:	Carl Sandberg
Date:	1917 08
Country:	Sweden
Landskap:	Västergötland
Socken:	Varnum
Locality:	Viskan