Catalogue no.:	V-1113469
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Th. Lange
Date:	1927 08 13
Country:	Sweden
Landskap:	Jämtland
Socken:	Håsjö
Locality:	Singsjön