Catalogue no.:	V-1115190
Taxon:	Potamogeton gramineus × perfoliatus
Label:	Potamogeton × nitens f. perfoliatifolius
Family:	Potamogetonaceae
Collector:	Ivar Österberg & Gustaf Tiselius
Exsiccate:	Tiselius, Potamog. Suec. exs. 41
Date:	1884 07 05
Country:	Sweden
Landskap:	Uppland
Socken:	Uppsala
Locality:	in flumine Fyris ad Vattholma
Habitat:	In aquis altioribus fluitantibusque crescens
Remarks:	(Antea nomine P. nitens var. latifolius n:o 10, litt. z, a me distributus)
Attributes:	Foliis latis, productis, semiamplexicaulibus et exsiccatione nigrescentibus