Rumex biformis (Menyh.) Borbás Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Rumex species Rumex stenophyllus Name Homonyms Rumex ×biformis Rech. Rumex biformis Lange Rumex ×biformis Menyh. Rumex biformis (Menyh.) Borbás