Catalogue no.:	V-1111104
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton x nitens f. maritimus
Family:	Potamogetonaceae
Collector:	Gustaf Tiselius
Exsiccate:	Tiselius, Potamog. Suec. exs. 42
Date:	1882 09 24
Country:	Sweden
Landskap:	Uppland
Socken:	Värmdö
Locality:	Södermanland, Värmdön, Ekudden, Saltsjön