Catalogue no.:	V-1112311
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton obtusifolius
Family:	Potamogetonaceae
Collector:	Erik Asplund
Date:	1914 07
Country:	Sweden
Landskap:	Södermanland
Socken:	Tunaberg
Locality:	Långsjön