Catalogue no.:	V-1112994
Taxon:	Potamogeton pectinatus L.
Label:	Potamogeton pectinatus
Family:	Potamogetonaceae
Collector:	Gunnar Björkman
Date:	1937 08 10
Country:	Sweden
Landskap:	Uppland
Socken:	Ärentuna
Locality:	(sekt. II)), i Björklingeån nedom Rosta bro