Polygonum microcephalum Wall. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Persicaria species Persicaria microcephala Name Homonyms Polygonum microcephalum Hassk. Polygonum microcephalum Wall. ex D.Don Polygonum microcephalum Wall.