Catalogue no.:	V-1113475
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Arvid Frisendahl
Date:	1912 08 12
Country:	Sweden
Landskap:	Jämtland
Socken:	Håsjö
Locality:	Singssjön