Catalogue no.:	V-1114844
Taxon:	Potamogeton berchtoldii Fieber
Label:	Potamogeton pusillus L.
Family:	Potamogetonaceae
Collector:	Harald Fries & Arne Fries
Date:	1902 08
Country:	Sweden
Landskap:	Uppland
Socken:	Roslags-Kulla
Locality:	Roslagen, Gregersboda