Catalogue no.:	V-1112408
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton obtusifolius
Family:	Potamogetonaceae
Collector:	Otto Vesterlund
Date:	1918 08 20
Country:	Sweden
Landskap:	Dalarna
Socken:	Älvdalen
Locality:	Björnån vid Tyrinäs