Ferocactus emoryi (Engelm.) Backeb. Dataset International Plant Names Index Rank SPECIES Published in Cactaceae (Backeberg) 1eenk. v. 2717 (1961). Classification kingdom Plantae family Cactaceae species Ferocactus emoryi Name Homonyms Ferocactus emoryi (Engelm.) Backeb. Ferocactus emoryi Orcutt, 1926