Catalogue no.:	V-1113791
Taxon:	Potamogeton polygonifolius Pourr.
Label:	Potamogeton polygonifolius
Family:	Potamogetonaceae
Collector:	Rolf Hugstrand
Date:	1920 08
Country:	Sweden
Landskap:	Västmanland
Socken:	Grythyttan
Locality:	Loka
Habitat:	Bäck, sandbotten, ensam