Catalogue no.:	V-1114261
Taxon:	Potamogeton praelongus Wulfen
Label:	Potamogeton praelongus Wulfen
Family:	Potamogetonaceae
Collector:	F.O. Westerberg
Date:	1904 09 04
Country:	Sweden
Landskap:	Östergötland
Socken:	Risinge
Locality:	Valpen