Gaertnera grisea Hook.f. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Gaertnera species Gaertnera grisea Name Homonyms Gaertnera grisea Hook.f. ex C.B.Clarke Gaertnera grisea Hook.f.