Copiapoa cinerea (Phil.) Britton & Rose, Cactaceae 3: 86, f. 98. 1922 sec. Larridon & al. 2018
- ≡Echinocactus cinereus Phil., Fl. Atacam: 23. 1860 syn. sec. Larridon & al. 2018
- ≡Copiapoa cinerea var. cinerea syn. sec. ???
- =Copiapoa cinerea var. albispina F.Ritter in Taxon 12: 30. 1963 syn. sec. Larridon & al. 2018
