Polygonum confertiflorum Douglas Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Polygonum species Polygonum paronychia Name Homonyms Polygonum confertiflorum Nutt. ex Piper Polygonum confertiflorum Douglas Polygonum confertiflorum Douglas ex Meisn. Polygonum confertiflorum Nutt. Polygonum confertiflorum Douglas ex Hook., 1838