Catalogue no.:	V-1114773
Taxon:	Potamogeton berchtoldii Fieber
Label:	Potamogeton pusillus L.
Family:	Potamogetonaceae
Collector:	A.Y. Trolander
Date:	1876 07
Country:	Sweden
Landskap:	Närke
Socken:	Askersund
Locality:	Åvik