Tittmannia laxa subsp. oliveri (Dümmer) Powrie Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Bruniales family Bruniaceae genus Audouinia species Audouinia laxa Name Homonyms Tittmannia laxa subsp. oliveri (Dümmer) Powrie