Polygonum barbatum subsp. fischeri Dammer Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Persicaria species Persicaria setosula Name Homonyms Polygonum barbatum var. fischeri Dammer Polygonum barbatum subsp. fischeri Dammer