Catalogue no.:	V-1114361
Taxon:	Potamogeton praelongus Wulfen
Label:	Potamogeton praelongus Wulfen
Family:	Potamogetonaceae
Collector:	Alfred Stalin
Date:	1918 08
Country:	Sweden
Landskap:	Uppland
Socken:	Stockholm
Locality:	Stockholm, Norrtröm