Coryphantha exsudans (Zucc. ex Pfeiff.) Lem. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Coryphantha species Coryphantha octacantha Name Homonyms Coryphantha exsudans (Zucc.) Lem. ex Britton & Rose Coryphantha exsudans (Zucc. ex Pfeiff.) Lem. ex C.F.Först. Coryphantha exsudans (Zucc. ex Pfeiff.) Lem.