Catalogue no.:	V-1113731
Taxon:	Potamogeton polygonifolius Pourr.
Label:	Potamogeton oblongus Viv.
Family:	Potamogetonaceae
Collector:	Ragnar Ohlsén
Date:	1946 08 05
Country:	Sweden
Landskap:	Västergötland
Socken:	Lerum
Locality:	Kollborgs station, Ö ut
Habitat:	I dike