Catalogue no.:	V-1110271
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton x nitens f. intermedius
Family:	Potamogetonaceae
Collector:	O. Hagström & G. Tiselius
Exsiccate:	Tiselius, Potamog. Scand. 160
Date:	1893 07 29
Country:	Sweden
Landskap:	Södermanland
Socken:	Östertälje
Locality:	in lacu Utran