Catalogue no.:	V-1111153
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton (gramineus x perfoliatus) var. subperfoliatus f. fyrisiensis
Family:	Potamogetonaceae
Collector:	Blytt
Country:	Norway
Locality:	Räumaelv [?]