Catalogue no.:	V-1112348
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton zosterifolius Schumach.
Family:	Potamogetonaceae
Collector:	Birger Lagerwall
Date:	1897 08
Country:	Sweden
Province:	Stockholms län
Landskap:	Uppland
Socken:	Lovö
Locality:	Drottningholm