Catalogue no.:	V-1114307
Taxon:	Potamogeton praelongus Wulfen
Label:	Potamogeton praelongus Wulfen
Family:	Potamogetonaceae
Collector:	Ivar Trägårdh
Date:	1891 08
Country:	Sweden
Landskap:	Södermanland
Socken:	Södertälje
Locality:	Maren, Södertälje