Catalogue no.:	V-1113736
Taxon:	Potamogeton polygonifolius Pourr.
Label:	Potamogeton oblongus Viv.
Family:	Potamogetonaceae
Collector:	K.F. Dusén
Date:	1867 07 13
Country:	Sweden
Landskap:	Östergötland
Socken:	Asby
Locality:	Gunnarstorp