Polygonum posumbu Buch.-Ham. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Persicaria species Persicaria posumbu Name Homonyms Polygonum posumbu Buch.-Ham. ex D.Don Polygonum posumbu Thwaites Polygonum posumbu Wall. Polygonum posumbu Buch.-Ham.