Catalogue no.:	V-1113558
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus f. rotundifolius
Family:	Potamogetonaceae
Collector:	Gustaf Tiselius
Exsiccate:	Tiselius, Potamog. Scand. 17f
Date:	1882 07 22
Country:	Sweden
Landskap:	Uppland
Socken:	Knivsta
Locality:	Valloxen, bryggan vid Noor