Catalogue no.:	V-1115250
Taxon:	Potamogeton friesii Rupr.
Label:	Potamogeton mucronatus
Family:	Potamogetonaceae
Collector:	Gustaf Tiselius
Exsiccate:	Tiselius, Potamog. Suec. exs. 100
Date:	1881 07 23
Country:	Sweden
Landskap:	Uppland
Socken:	Knivsta
Locality:	in lacu Valloxen
Habitat:	Planta demersa in aqua tenui crescens