Tribulus gussonei Tod. & Pirain. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Zygophyllales family Zygophyllaceae genus Tribulus species Tribulus terrestris Name Homonyms Tribulus gussonei Tod. & Pirain. ex Parl. Tribulus gussonei Tod. & Pirain.