Catalogue no.:	V-1112160
Taxon:	Potamogeton natans L.
Label:	Potamogeton natans
Family:	Potamogetonaceae
Collector:	R. Idman
Exsiccate:	Pl. Finl. exs. 1025
Date:	1919 07 13 - 1919 07 27
Country:	Finland
Landskap:	Tavastia australis
Locality:	par. Teisko, in lacu Kirkkojärvi