Billiotia DC. Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Melanopsidium Name Homonyms Billiotia G.Don, 1834 Billiotia Endl., 1837 Billiotia Rchb., 1841 Billiotia DC.