| Family: | Cactaceae (kak-TAY-see-ee) (Info) |
| Genus: | Echinocereus (ek-in-oh-KER-ee-us) (Info) |
| Species: | rigidissimus subsp. rubispinus |
| Synonym: | Echinocereus rigidissimus var. rubispinus |
| Synonym: | Echinocereus pectinatus var. rubispinus |
| Synonym: | Echinocereus pectinatus var. rubrispinus |