Catalogue no.:	V-1113735
Taxon:	Potamogeton polygonifolius Pourr.
Label:	Potamogeton oblongus Viv.
Family:	Potamogetonaceae
Collector:	C.M. Sondén
Date:	1867
Country:	Sweden
Landskap:	Östergötland
Socken:	Asby
Locality:	Gunnarstorp