Cereus gracilis Salm-Dyck Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Cereus species Cereus gracilis Name Homonyms Cereus gracilis Mill. Cereus gracilis Haw. Cereus gracilis Salm-Dyck ex DC., 1828 Cereus gracilis Salm-Dyck