×Disoquipa ×Disoquipa M.H.J.van der Meer in Cact. Phantast. 2018(1): 5. 2018 sec. van der Meer 20181 wfo-00013029131. van der Meer, M.H.J. 2018: 16 new nothogenera and 15 new combinations in Hylocereeae (Cactaceae). – Cactologia Phantastica 1 (2018): 1-16.=×Callisonara P.V.Heath in Calyx 1: 98. 1992 syn. sec. van der Meer 20182 wfo-40000425992. 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 Arequipa Britton & Rose × Disocactus Lindl.