Catalogue no.:	V-1112309
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton obtusifolius
Family:	Potamogetonaceae
Collector:	Sven Cederwald
Date:	1886
Country:	Sweden
Landskap:	Södermanland
Socken:	Barva
Locality:	Barva in lacu Nasen