Catalogue no.:	V-1112541
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton obtusifolius
Family:	Potamogetonaceae
Collector:	Ernst Häyrén
Date:	1947 07 08
Country:	Finland
Landskap:	Nylandia
Socken:	Porvoo
Locality:	Borgå, Maren