Catalogue no.:	V-1112033
Taxon:	Potamogeton natans L.
Label:	Potamogeton natans
Family:	Potamogetonaceae
Collector:	Gunnar Björkman
Date:	1915 08 17
Country:	Sweden
Landskap:	Uppland
Socken:	Skokloster
Locality:	Sko socken, Skokloster i Mälaren