Catalogue no.:	V-1113422
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Inga Swanström
Date:	1936 07 10
Country:	Sweden
Landskap:	Uppland
Socken:	Djurö
Locality:	Djurö
Habitat:	Havsvik