Catalogue no.:	V-1112460
Taxon:	Potamogeton obtusifolius Mert. & W.D.J.Koch
Label:	Potamogeton obtusifolius
Family:	Potamogetonaceae
Collector:	Lennart Holm
Date:	1939 08 13
Country:	Sweden
Landskap:	Västerbotten
Socken:	Lövånger
Locality:	Vallen, Trehörningen