Polygonum patulum subsp. kotovii Soó Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Polygonum species Polygonum patulum Name Homonyms Polygonum patulum subsp. kotovii (Klokov) Sutorý Polygonum patulum subsp. kotovii Soó