Catalogue no.:	V-1114267
Taxon:	Potamogeton praelongus Wulfen
Label:	Potamogeton praelongus f. elegans
Family:	Potamogetonaceae
Collector:	F.O. Westerberg
Date:	1905 07 20
Country:	Sweden
Landskap:	Östergötland
Socken:	Risinge
Locality:	Valpen