Melocactus andinus R.Gruber ex N.P.Taylor species accepted

Melocactus azureus Buining & Brederoo species accepted

Melocactus bahiensis (Britton & Rose) Luetzelb. species accepted

Melocactus bellavistensis Rauh & Backeb. species accepted

Melocactus braunii Esteves species accepted

Melocactus broadwayi (Britton & Rose) A.Berger species accepted

Melocactus caroli-linnaei N.P.Taylor species accepted

Melocactus conoideus Buining & Brederoo species accepted

Melocactus curvispinus Hort.Berol. ex Pfeiff. species accepted

Melocactus ernestii Vaupel species accepted

Melocactus estevesii P.J.Braun species accepted

Melocactus ferreophilus Buining & Brederoo species accepted

Melocactus harlowii (Britton & Rose) Vaupel species accepted

Melocactus heimenii P.J.Braun & Gonç.Brito species accepted

Melocactus inconcinnus Buining & Brederoo species accepted

Melocactus intortus (Mill.) Urb. species accepted

Melocactus lanssensianus P.J.Braun species accepted

Melocactus lemairei (Monv. ex Lem.) Miq. species accepted

Melocactus levitestatus Buining & Brederoo species accepted

Melocactus macracanthos (Salm-Dyck) Link & Otto species accepted

Melocactus matanzanus León species accepted

Melocactus mazelianus Ríha species accepted

Melocactus neryi K.Schum. species accepted

Melocactus oreas Miq. species accepted

Melocactus pachyacanthus Buining & Brederoo species accepted

Melocactus paucispinus Heimen & R.J.Paul species accepted

Melocactus pedernalensis M.M.Mejía & R.G.Garcia species accepted

Melocactus peruvianus Vaupel species accepted

Melocactus praerupticola Areces species accepted

Melocactus salvadorensis Werderm. species accepted

Melocactus schatzlii H.Till & R.Gruber species accepted

Melocactus sergipensis N.P.Taylor & Meiado species accepted

Melocactus smithii (Alexander) Buining ex G.D.Rowley species accepted

Melocactus stramineus Valck.Sur. species accepted

Melocactus violaceus Pfeiff. species accepted

Melocactus × albicephalus Buining & Brederoo species accepted

Melocactus × horridus Werderm. species accepted

Melocactus × trachycephalus Valck.Sur. species accepted

Melocactus zehntneri (Britton & Rose) Luetzelb. species accepted

Melocactus neoviridescens Guiggi species accepted

Melocactus brederooianus Buining species accepted

Melocactus deinacanthus Buining & Brederoo species accepted

Melocactus glaucescens Buining & Brederoo species accepted

Melocactus pruinosus Werderm. species accepted

Melocactus santiagoensis D.Barrios & Majure species accepted