Catalogue no.:	V-1112550
Taxon:	Potamogeton obtusifolius x pusillus
Label:	Potamogeton obtusifolius x pusillus L.
Family:	Potamogetonaceae
Collector:	Arwid Wollert
Date:	1920 09 19
Country:	Sweden
Landskap:	Uppland
Socken:	Norrsunda
Locality:	damm 500 m öster kyrkan