Catalogue no.:	V-1111843
Taxon:	Potamogeton lucens x perfoliatus
Label:	Potamogeton x salicifolius
Family:	Potamogetonaceae
Collector:	W. Wiström
Date:	1889 07
Country:	Sweden
Landskap:	Uppland
Socken:	Bälinge
Locality:	Fyrisån, Ulfva [Ulva] kvarn