Tribulus alatus var. acanthopterus Kralik Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Zygophyllales family Zygophyllaceae genus Tribulus species Tribulus pentandrus Name Homonyms Tribulus alatus var. acanthopterus Kralik Tribulus alatus subsp. acanthopterus Kralik