Catalogue no.:	V-1112298
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton obtusifolius
Family:	Potamogetonaceae
Collector:	Rutger Sernander
Date:	1929 09 10
Country:	Sweden
Landskap:	Södermanland
Socken:	Nacka
Locality:	Bastsjön