Catalogue no.:	V-1113543
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Kalevi Alho
Date:	1962 08 22
Country:	Finland
Landskap:	Satakunta
Socken:	Alastaro
Locality:	Niinijoensuu, in Niinijoki river just before it runs into Loimijoki river