Catalogue no.:	V-1111123
Taxon:	Potamogeton gramineus x perfoliatus
Label:	Potamogeton gramineus x perfoliatus
Family:	Potamogetonaceae
Collector:	Erik Almquist
Date:	1920 08 12
Country:	Sweden
Landskap:	Uppland
Socken:	Lunda
Locality:	Almsjöns östra sida