Polygonum ussuriense (Regel) Petrov Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Bistorta species Bistorta officinalis Name Homonyms Polygonum ussuriense (Regel) Petrov ex Kom. Polygonum ussuriense (Regel) Nakai Polygonum ussuriense (Regel) Petrov