Polygonum microspermum Jord. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Polygonum species Polygonum arenastrum Name Homonyms Polygonum microspermum (Engelm.) Small Polygonum microspermum E.Sheld. Polygonum microspermum Jord. ex Boreau Polygonum microspermum Jord.