Catalogue no.:	V-1127623
Taxon:	Polygonum arenastrum Boreau
Label:	Polygonum aviculare subsp. heterophyllum
Family:	Polygonaceae
Collector:	Vilhelm Carlsson
Date:	1899
Country:	Sweden
Landskap:	Östergötland
Socken:	Åtvid
Locality:	Åtvidaberg