Acanthocereus haackeanus Backeb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Acanthocereus species Acanthocereus oaxacensis Name Homonyms Acanthocereus haackeanus Backeb. ex Lodé Acanthocereus haackeanus Backeb.