Catalogue no.:	V-1113338
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	Gunnar booberg
Date:	1908 07 15
Country:	Sweden
Landskap:	Östergötland
Socken:	Tjällmo
Locality:	Tjällmo skärgård