Catalogue no.:	V-1113560
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus f. typicus
Family:	Potamogetonaceae
Collector:	M.M. Floderus
Exsiccate:	Tiselius, Potamog. Suec. exs. 89
Date:	1884 07
Country:	Sweden
Locality:	In lacu Mälaren