Catalogue no.:	V-1112372
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton obtusifolius
Family:	Potamogetonaceae
Collector:	Rikard Plengiér
Date:	1929 08 22
Country:	Sweden
Landskap:	Uppland
Socken:	Estuna
Locality:	Gllfjärden