Macadamia youngiana F.Muell. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Proteales family Proteaceae genus Triunia species Triunia youngiana Name Homonyms Macadamia youngiana F.Muell. ex Benth. Macadamia youngiana F.Muell.