Rhaponticum acaule var. purpureum Emb. & Maire Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Leuzea species Leuzea acaulis Name Homonyms Rhaponticum acaule var. purpureum Emb. & Maire