Catalogue no.:	V-037043
Taxon:	Polygonum
Label:	Polygonum
Family:	Polygonaceae
Collector:	Olof Ryding
Collector no.:	568
Date:	1983 12
Country:	Indonesia
Province:	Sumatera
District:	Sumatera Utara
Locality:	North Tapanuli District, Samosir Island, c. 1 km NNW of Tomok along the road to Ambarita
Habitat:	Growing in a wet ditch at roadside
Coordinates:	latDD 02.65; longDD 098.83333