Catalogue no.:	V-1111859
Taxon:	Potamogeton lucens x perfoliatus
Label:	Potamogeton x decipiens
Family:	Potamogetonaceae
Collector:	Gustaf Tiselius
Exsiccate:	Tiselius, Potamog. Scand. 12k
Date:	1888 07 29
Country:	Sweden
Landskap:	Uppland
Socken:	Sigtuna
Locality:	in lacu Mälaren ad oppidum Sigtuna