Catalogue no.:	V-1113681
Taxon:	Potamogeton polygonifolius Pourr.
Label:	Potamogeton oblongus Viv.
Family:	Potamogetonaceae
Collector:	Blytt
Country:	Norway
Province:	Aust-Agder
District:	Arendal
Locality:	Arendal
Remarks:	Herb. Hartman