Hedyotis pygmaea Roem. & Schult. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Houstonia species Houstonia wrightii Name Homonyms Hedyotis pygmaea Roem. & Schult. Hedyotis pygmaea Wall., 1831 Hedyotis pygmaea Willd.