Polygonum cuspidatum Willd. ex Spreng. 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.