Catalogue no.:	V-1112331
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton obtusifolius
Family:	Potamogetonaceae
Collector:	Gösta Kjellmert
Date:	1942 08 25
Country:	Sweden
Landskap:	Västmanland
Socken:	Arboga
Locality:	Arboga, Tjurlången