Hopea helferi (Dyer) Brandis ex C.E.C.Fisch. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malvales family Dipterocarpaceae genus Hopea species Hopea helferi Name Homonyms Hopea helferi (Dyer) Brandis Hopea helferi (Dyer) Brandis ex C.E.C.Fisch.