Opuntia spinosissima Duss, 1897 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Opuntia species Opuntia triacantha Name Homonyms Opuntia spinosissima (Martyn) Mill. Opuntia spinosissima Duss, 1897 Opuntia spinosissima K.Schum.