Catalogue no.:	V-1113557
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus [unranked] rotundifolius
Family:	Potamogetonaceae
Collector:	C.P. Laestadius
Date:	1857 07 29
Country:	Sweden
Landskap:	Södermanland
Socken:	Södertälje
Locality:	Lin i Västertälje socken