Catalogue no.:	V-1113819
Taxon:	Potamogeton polygonifolius Pourr.
Label:	Potamogeton polygonifolius
Family:	Potamogetonaceae
Collector:	Erik Almquist
Date:	1919 07 25
Country:	Sweden
Landskap:	Dalarna
Socken:	Säfsnäs
Locality:	Gravendal station
Habitat:	Bäck