Polygonum cuspidatum Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Persicaria species Persicaria acuminata Name Homonyms Polygonum cuspidatum Siebold & Zucc. Polygonum cuspidatum Willd. ex Spreng. Polygonum cuspidatum Willd. Polygonum cuspidatum Willd. ex Soler.