Catalogue no.:	V-1114849
Taxon:	Potamogeton berchtoldii Fieber
Label:	Potamogeton pusillus [unranked] tenuissimus
Family:	Potamogetonaceae
Collector:	Gustaf Tiselius
Date:	1881 07 21
Country:	Sweden
Landskap:	Uppland
Socken:	Västra Ryd
Locality:	Tranbygge kvarnå