Catalogue no.:	V-1128158
Taxon:	Polygonum arenastrum Boreau
Label:	Polygonum aviculare L.
Family:	Polygonaceae
Date:	1872
Country:	Sweden
Landskap:	Uppland
Socken:	Frötuna
Locality:	Frötuna
Remarks:	Ur Frih. C. De Geers samlingar