Catalogue no.:	V-1114359
Taxon:	Potamogeton praelongus Wulfen
Label:	Potamogeton praelongus Wulfen
Family:	Potamogetonaceae
Collector:	T. Hedlund
Date:	1880 06 30
Country:	Sweden
Landskap:	Uppland
Socken:	Frötuna
Locality:	Frötuna kyrksjö