Catalogue no.:	V-1112379
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton obtusifolius
Family:	Potamogetonaceae
Collector:	Harald Fries & Arne Fries
Date:	1901 08
Country:	Sweden
Landskap:	Uppland
Socken:	Roslags-Kulla
Locality:	Roslagen: Gregersboda