Rumex obtusifolius Buch.-Ham. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Polygonaceae genus Rumex species Rumex dentatus Name Homonyms Rumex obtusifolius L. Rumex obtusifolius Buch.-Ham. ex Wall. Rumex obtusifolius Fr. ex Meisn. Rumex obtusifolius Buch.-Ham. Rumex obtusifolius Fr. Rumex obtusifolius Boiss.