Catalogue no.:	V-589581
Taxon:	Potamogeton friesii Rupr.
Label:	Potamogeton mucronatus Schrad. ex Sond.
Family:	Potamogetonaceae
Collector:	Gustaf Tiselius
Exsiccate:	Tiselius, Potamog. Scand. 22a
Date:	1881 07 21
Country:	Sweden
Landskap:	Uppland
Socken:	Västra Ryd
Locality:	Tranbygge kvarnå