Siphonia rigidifolia Spruce Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Euphorbiaceae genus Hevea species Hevea rigidifolia Name Homonyms Siphonia rigidifolia Spruce ex Benth. Siphonia rigidifolia Spruce