Catalogue no.:	V-1128251
Taxon:	Polygonum arenastrum Boreau
Label:	Polygonum patulum
Family:	Polygonaceae
Collector:	R. Matsson
Date:	1920
Country:	Sweden
Landskap:	Hälsingland
Socken:	Hudiksvall
Locality:	Hudiksvall
Habitat:	Barlast