Catalogue no.:	V-1113776
Taxon:	Potamogeton polygonifolius Pourr.
Label:	Potamogeton polygonifolius
Family:	Potamogetonaceae
Collector:	Gunnar Johansson
Date:	1925 08 11
Country:	Sweden
Landskap:	Värmland
Socken:	Töcksmark
Locality:	Knutsbol