×Diphalocereus ×Diphalocereus M.H.J.van der Meer in Cact. Phantast. 2018(1): 3. 2018 sec. van der Meer 20181 wfo-00013029591. van der Meer, M.H.J. 2018: 16 new nothogenera and 15 new combinations in Hylocereeae (Cactaceae). – Cactologia Phantastica 1 (2018): 1-16.=×Cepheliocereus G.D.Rowley in Name Succ.: 118. 1980 syn. sec. van der Meer 20182 wfo-40000073032. van der Meer, M.H.J. 2018: 16 new nothogenera and 15 new combinations in Hylocereeae (Cactaceae). – Cactologia Phantastica 1 (2018): 1-16.ContentNotes Notes Disocactus Lindl. × Cephalocereus Pfeiff.