Melocactus lanssensianus P.J.Braun in Succulenta (Netherlands) 65: 26. 1986 Melocactus lanssensianus P.J.Braun in Succulenta (Netherlands) 65: 26. 1986Taxon for this nameMelocactus lanssensianus P.J.Braun in Succulenta (Netherlands) 65: 26. 1986
