Catalogue no.:	V-1113760
Taxon:	Potamogeton polygonifolius Pourr.
Label:	Potamogeton polygonifolius
Family:	Potamogetonaceae
Collector:	Carl Hartman
Date:	1879 09
Country:	Sweden
Landskap:	Närke
Socken:	Askersund
Locality:	vid Rockebro källa