Polygonum arachnoideum Klotzsch ex Hook.f. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Persicaria species Persicaria lapathifolia Name Homonyms Polygonum arachnoideum Klotzsch ex Hook.f. Polygonum arachnoideum Klotzsch ex Meisn. Polygonum arachnoideum Klotzsch