Opuntia tuna DC. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Pl. Hist. Succ. sub t. 138. Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Opuntia species Opuntia tuna Name Homonyms Opuntia tuna (L.) Mill. Opuntia tuna Duss, 1897 Opuntia tuna DC.