Coryphantha exudans Lem. ex Foerst. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Coryphantha species Coryphantha ottonis Name Homonyms Coryphantha exudans Lem. ex Foerst. Coryphantha exudans Lem. Coryphantha exudans (Zucc.) Lem. ex Britton & Rose