Catalogue no.:	V-1114358
Taxon:	Potamogeton praelongus Wulfen
Label:	Potamogeton praelongus Wulfen
Family:	Potamogetonaceae
Collector:	P. Borén
Date:	1874 09
Country:	Sweden
Landskap:	Uppland
Socken:	Närtuna
Locality:	i sjön Hederviken