Catalogue no.:	V-1113406
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus f. rivularis
Family:	Potamogetonaceae
Collector:	Gustaf Tiselius
Exsiccate:	Tiselius, Potamog. Scand. 17m
Date:	1884 07 27
Country:	Sweden
Landskap:	Uppland
Socken:	Västra Ryd
Locality:	v. Ryd in rivulo Tranbygge