Epiphyllum macrocarpum (F.A.C.Weber) Backeb., Cactaceae 2: 754. 1959 Epiphyllum macrocarpum (F.A.C.Weber) Backeb., Cactaceae 2: 754. 1959is new combination for Phyllocactus macrocarpus F.A.C.Weber in Bull. Mus. Hist. Nat. (Paris) 8: 464. 1902Taxon for this nameEpiphyllum macrocarpum (F.A.C.Weber) Backeb.