Rumex domesticus subsp. ruthenicus Lonacz. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Rumex species Rumex longifolius Name Homonyms Rumex domesticus subsp. ruthenicus Lonacz. Rumex domesticus subsp. ruthenicus Lonacz. ex Pavlov