Catalogue no.:	V-1115192
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton x nitens f. vadosus
Family:	Potamogetonaceae
Collector:	Gustaf Tiselius
Exsiccate:	Tiselius, Potamog. Suec. exs. 43
Date:	1883 08 26
Country:	Sweden
Landskap:	Uppland
Socken:	Värmdö
Locality:	in provincia Södermanland, Värmdön, in fossis ad Rörsundsvik
Habitat:	In fossis aquae mixtae crescens
Remarks:	(Antea nomine P. nitensis var. obovatifolius n:o 10, litt. f, a me distributus)
Attributes:	Foliis brevioribus, obtusis, summis obovatis