Polygonum fagopyrum Buch.-Ham. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Fagopyrum species Fagopyrum cymosum Name Homonyms Polygonum fagopyrum L. Polygonum fagopyrum Buch.-Ham. ex D.Don Polygonum fagopyrum Buch.-Ham.