Catalogue no.:	V-1113755
Taxon:	Potamogeton polygonifolius Pourr.
Label:	Potamogeton polygonifolius
Family:	Potamogetonaceae
Collector:	A.S. Trolander
Date:	1882 07 14
Country:	Sweden
Landskap:	Närke
Socken:	Askersund
Locality:	Rockebro källan