Catalogue no.:	V-1112259
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton obtusifolius
Family:	Potamogetonaceae
Collector:	W.J. Carlsson
Date:	1866 08 20
Country:	Sweden
Landskap:	Östergötland
Socken:	Björsäter
Locality:	sjön Vristen