Catalogue no.:	V-1121646
Taxon:	Polygonum aviculare subsp. aviculare
Label:	Polygonum heterophyllum
Family:	Polygonaceae
Collector:	J.W. Håkanson
Date:	1917 08 13
Country:	Sweden
Landskap:	Uppland
Socken:	Lidingö
Locality:	Lidingö, Husby, den sumpiga ängen vid Björkallén