Catalogue no.:	V-1113508
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Sven O. Björkman
Collector no.:	454
Date:	1946 07 31
Country:	Sweden
Landskap:	Lule lappmark
Socken:	Gällivare
Locality:	Muddus nationalpark, Muddus-Luobbal