Catalogue no.:	V-1114303
Taxon:	Potamogeton praelongus Wulfen
Label:	Potamogeton praelongus Wulfen
Family:	Potamogetonaceae
Collector:	C.F. Nyman
Date:	08
Country:	Sweden
Landskap:	Södermanland
Socken:	Stockholm
Locality:	Holmiae [Stockholm] in lacu Drevviken
Remarks:	Herb. E. Fries