Polygonum gracile 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 gracile Nutt. Polygonum gracile Salisb. Polygonum gracile Meisn. Polygonum gracile R.Br. Polygonum gracile Guss. Polygonum gracile Ham. ex Hook.f. Polygonum gracile Reinw. ex Miq. Polygonum gracile Ham. Polygonum gracile Reinw. Polygonum gracile Guss.