Catalogue no.:	V-1114275
Taxon:	Potamogeton praelongus Wulfen
Label:	Potamogeton praelongus Wulfen
Family:	Potamogetonaceae
Collector:	N.C. Kindberg
Date:	1869 07
Country:	Sweden
Landskap:	Östergötland
Socken:	Björsäter
Locality:	Risten