Echinocactus helianthodiscus Lem. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Strombocactus species Strombocactus disciformis Name Homonyms Echinocactus helianthodiscus Lem. ex Salm-Dyck Echinocactus helianthodiscus Lem. Echinocactus helianthodiscus Lam.