Polygonum rhizocaulon DeBruyn 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 rhizocaulon Bruyn Polygonum rhizocaulon Bruijn Polygonum rhizocaulon DeBruyn