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