Mammillaria sempervivi DC. in Mém. Mus. Hist. Nat. 17: 114. 1828
Mammillaria sempervivi in Mém. Mus. Hist. Nat. 17: 114. 1828
is basionym for Neomammillaria sempervivi, Cactaceae 4: 86–87, f. 79. 1923
is basionym for Cactus sempervivi, Revis. Gen. Pl. 1: 261. 1891