Polygonum persicaria Wall. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Persicaria species Persicaria glabra Name Homonyms Polygonum persicaria L. Polygonum persicaria Wahlenb. Polygonum persicaria Wahlenb. ex Nyman, 1881 Polygonum persicaria Wall.