Maihueniopsis molfinoi Speg. in Anales Soc. Ci. Argent. 99: 86. 1925 Maihueniopsis molfinoi Speg. in Anales Soc. Ci. Argent. 99: 86. 1925is basionym for Opuntia molfinoi (Speg.) Werderm. in Repert. Spec. Nov. Regni Veg. 30: 59. 1932This name is not assigned to any taxon.