Acanthocereus tetragonus (L.) Humlk. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Acanthocereus species Acanthocereus tetragonus Name Homonyms Acanthocereus tetragonus (L.) Hummelinck Acanthocereus tetragonus (L.) Humlk.