Catalogue no.:	V-1112299
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton obtusifolius
Family:	Potamogetonaceae
Collector:	Ragnar Morander
Date:	1936 06 18
Country:	Sweden
Landskap:	Södermanland
Socken:	Nyköping
Locality:	Nikolai, Stjärnholm
Habitat:	Damm