Catalogue no.:	V-1113823
Taxon:	Potamogeton polygonifolius Pourr.
Label:	Potamogeton polygonifolius
Family:	Potamogetonaceae
Collector:	Nils Sylvén
Date:	1915 08 17
Country:	Sweden
Landskap:	Gästrikland
Socken:	Österfärnebo
Locality:	SO om Ullvesbo