Catalogue no.:	V-1113726
Taxon:	Potamogeton polygonifolius Pourr.
Label:	Potamogeton polygonifolius
Family:	Potamogetonaceae
Collector:	E.Th. Fries
Date:	1889 06
Country:	Sweden
Landskap:	Västergötland
Socken:	Alingsås
Locality:	Johannisberg