Polygonum affine Wall. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Bistorta species Bistorta vivipara Name Homonyms Polygonum affine Stephan ex Spreng. Polygonum affine D.Don Polygonum affine Wall. Polygonum affine Stephan