| Family: | Cactaceae (kak-TAY-see-ee) (Info) |
| Genus: | Ferocactus (fer-oh-KAK-tus) (Info) |
| Species: | pilosus (pil-OH-sus) (Info) |
| Synonym: | Ferocactus pilosus var. pilosus |
| Synonym: | Ferocactus pilosus var. stainesii |
| Synonym: | Ferocactus piliferus |
| Synonym: | Echinocactus piliferus |
| Synonym: | Ferocactus stainesii |