Catalogue no.:	V-1114311
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton praelongus Wulfen
Family:	Potamogetonaceae
Collector:	Arwid Wollert
Date:	1899 07 19
Country:	Sweden
Landskap:	Västmanland
Socken:	Sala
Locality:	Sala