Catalogue no.:	V-1114348
Taxon:	Potamogeton praelongus Wulfen
Label:	Potamogeton praelongus Wulfen
Family:	Potamogetonaceae
Collector:	G.A. Fröman
Date:	1891 06 16
Country:	Sweden
Landskap:	Uppland
Socken:	Valö
Locality:	Älgsjön