Acacia tristis Graham Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Fl. Australia 11A: 594 (2001) Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fabales family Fabaceae genus Acacia species Acacia paradoxa Name Homonyms Acacia tristis Welw. ex Oliv. Acacia tristis Graham Acacia tristis Welw.