Catalogue no.:	V-1112302
Taxon:	Potamogeton friesii Rupr.
Label:	Potamogeton mucronatus Schrad. ex Sond.
Family:	Potamogetonaceae
Collector:	J.A. Laurell
Date:	1886 08 06
Country:	Sweden
Landskap:	Södermanland
Socken:	Ludgo
Locality:	Öster-Malma