Catalogue no.:	V-1115085
Taxon:	Potamogeton berchtoldii Fieber
Label:	Potamogeton pusillus L.
Family:	Potamogetonaceae
Collector:	Blytt
Date:	1917 09
Country:	Norway
Locality:	76 ad Porsgrund 78 ad Drammen 79 prope Väkkerøe
Remarks:	Herb. E. Fries