Polygonum rivulare J.Koenig Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Persicaria species Persicaria barbata Name Homonyms Polygonum rivulare Phil. Polygonum rivulare Roth, 1821 Polygonum rivulare Meisn. Polygonum rivulare J.Koenig ex Roxb. Polygonum rivulare J.Koenig