Rathbunia deficiens (Otto & A.Dietr.) P.V.Heath in Calyx 2: 104. 1992 Rathbunia deficiens (Otto & A.Dietr.) P.V.Heath in Calyx 2: 104. 1992is new combination for Cereus deficiens Otto & A.Dietr. in Allg. Gartenzeitung 6: 28. 1838Taxon for this nameRathbunia deficiens (Otto & A.Dietr.) P.V.Heath