Catalogue no.:	V-1110272
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton (gramineus x perfoliatus) f. intermedius
Family:	Potamogetonaceae
Collector:	G.Einar Du Rietz
Date:	1908 08 20
Country:	Sweden
Landskap:	Uppland
Socken:	Stockholm
Locality:	Stockholm, Bromma socken, Traneberg