Catalogue no.:	V-1113743
Taxon:	Potamogeton polygonifolius Pourr.
Label:	Potamogeton polygonifolius
Family:	Potamogetonaceae
Collector:	F.O. Westerberg
Date:	1894 07 20
Country:	Sweden
Landskap:	Östergötland
Socken:	Risinge
Locality:	Häradstorp, Svartån