Cactus cornifer (DC.) Kuntze, Revis. Gen. Pl. 1: 260. 1891
Cactus cornifer, Revis. Gen. Pl. 1: 260. 1891
is correct spelling for Cactus conifer, Revis. Gen. Pl. 1: 260. 1891
is new combination for Mammillaria cornifera in Mém. Mus. Hist. Nat. 17: 112. 1828