Catalogue no.:	V-1112253
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton pectinatus L.
Family:	Potamogetonaceae
Collector:	Vilhelm Carlsson
Date:	1903
Country:	Sweden
Landskap:	Östergötland
Socken:	Åtvid
Locality:	Bysjön