Catalogue no.:	V-1113345
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	J.Ax. Nannfeldt
Collector no.:	7401
Date:	1944 08 24
Country:	Sweden
Landskap:	Östergötland
Socken:	Gryt
Locality:	Harholmen (c. 500 m SW om Högholmarna)
Habitat:	Havsvik