Polygonum barbatum Comm. ex Meisn. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Persicaria species Persicaria dichotoma Name Homonyms Polygonum barbatum Roxb. Polygonum barbatum L. Polygonum barbatum Wall. Polygonum barbatum G.Mey. Polygonum barbatum Walter Polygonum barbatum Comm. ex Meisn. Polygonum barbatum Thunb. Polygonum barbatum Comm.