Catalogue no.:	V-1128141
Taxon:	Polygonum arenastrum Boreau
Label:	Polygonum aviculare subsp. aequale var. calcatum
Family:	Polygonaceae
Collector:	Nils Hylander
Date:	1931 07 26
Country:	Sweden
Landskap:	Uppland
Socken:	Simtuna
Locality:	prästgården