Catalogue no.:	V-1111121
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton x nitens var. latifolius f. perfoliatifolius
Family:	Potamogetonaceae
Collector:	Ivar Österberg & Gustaf Tiselius
Exsiccate:	Tiselius, Potamog. Suec. exs. 41
Date:	1884 07 05
Country:	Sweden
Landskap:	Uppland
Socken:	Lena
Locality:	in flumine Fyris ad Vattholma
Remarks:	Vide notulam 34! et 41!