Cereus ×hansii Baumann in Rev. Hort. (Paris) sér. 2, 1: 267. 1842 Cereus ×hansii Baumann in Rev. Hort. (Paris) sér. 2, 1: 267. 1842is basionym for Disocactus ×hansii (Baumann) M.H.J.van der Meer in Cact. Phantast. 2018(1): 5. 2018Taxon for this nameCereus ×hansii Baumann