Catalogue no.:	V-1122273
Taxon:	Polygonum boreale (Lange) Small
Label:	Polygonum heterophyllum var. littorale
Family:	Polygonaceae
Collector:	Rikard Plengiér
Date:	1934 07 30
Country:	Sweden
Landskap:	Uppland
Socken:	Djurö
Locality:	Sandhamn
Habitat:	Strandäng