Cereus subg. Oreocereus A.Berger in Rep. (Annual) Missouri Bot. Gard. 16: 64. 1905
Cereus subg. Oreocereus in Rep. (Annual) Missouri Bot. Gard. 16: 64. 1905
is basionym for Oreocereus in Boll. Reale Orto Bot. Palermo 8: 258. 1909
Cereus subg. Oreocereus in Rep. (Annual) Missouri Bot. Gard. 16: 64. 1905