| Melocactus aciculosus J.V.Suringar |
Unresolved |
 |
WCSP (in review) |
| Melocactus acispinosus Buining & Brederoo |
Synonym |
 |
TRO |
| Melocactus actinacanthus Areces |
Synonym |
|
TRO |
| Melocactus acuatus Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus acunae León |
Synonym |
|
TRO |
| Melocactus acunae subsp. lagunaensis Meszaros |
Synonym |
|
TRO |
| Melocactus albicephalus Buining & Brederoo |
Unresolved |
|
WCSP (in review) |
| Melocactus albispinus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus ambiguus Pfeiff. |
Unresolved |
|
WCSP (in review) |
| Melocactus amethystinus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus ammotrophus Buining, Brederoo & C.A.L. Bercht |
Synonym |
|
TRO |
| Melocactus amoenus Hoffmanns. |
Synonym |
|
TRO |
| Melocactus amstutziae Rauh & Backeb. |
Synonym |
|
TRO |
| Melocactus andinus R.Gruber ex N.P.Taylor |
Accepted |
|
WCSP (in review) |
| Melocactus angusticostatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus antonii (Britton) F.M. Knuth |
Synonym |
|
TRO |
| Melocactus appropinquatus J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus approximatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus arcuatispinus Brederoo & Eerkens |
Synonym |
|
TRO |
| Melocactus arcuatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus argenteus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus armatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus atrosanguineus Pfeiff. |
Unresolved |
|
WCSP (in review) |
| Melocactus atrovirens C.F.Först. |
Unresolved |
|
WCSP (in review) |
| Melocactus axiniphorus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus azulensis Buining, Brederoo & Theunissen |
Synonym |
|
TRO |
| Melocactus azureus Buining & Brederoo |
Accepted |
|
WCSP (in review) |
| Melocactus azureus subsp. ferreophilus (Buining & Brederoo) N.P.Taylor |
Synonym |
|
WCSP (in review) |
| Melocactus azureus var. krainzianus (Buining & Brederoo) P.J. Braun |
Synonym |
|
TRO |
| Melocactus baarscanus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus baarsianus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus bahiensis (Britton & Rose) Luetzelb. |
Accepted |
|
TRO |
| Melocactus bahiensis f. acispinosus (Buining & Brederoo) N.P. Taylor |
Accepted |
|
TRO |
| Melocactus bahiensis subsp. amethystinus (Buining & Brederoo) N.P. Taylor |
Accepted |
|
TRO |
| Melocactus bahiensis f. inconcinnus (Buining & Brederoo) N.P. Taylor |
Accepted |
|
TRO |
| Melocactus barbarae Antesberger |
Synonym |
|
TRO |
| Melocactus bargei J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus bellavistensis Rauh & Backeb. |
Accepted |
|
TRO |
| Melocactus bellavistensis subsp. onychacanthus (F. Ritter) N.P. Taylor |
Accepted |
|
TRO |
| Melocactus besleri Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus besleri-affinis Pfeiff. |
Unresolved |
|
WCSP (in review) |
| Melocactus borhidii Meszaros |
Synonym |
|
TRO |
| Melocactus bozsingianus Antesberger |
Synonym |
|
TRO |
| Melocactus bradleyi J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus bradypus Lehm. ex Steud. |
Unresolved |
|
WCSP (in review) |
| Melocactus braunii Esteves |
Accepted |
|
WCSP (in review) |
| Melocactus brederooianus Buining |
Synonym |
|
TRO |
| Melocactus broadwayi (Britton & Rose) A. Berger |
Accepted |
|
TRO |
| Melocactus brongnartii Hildm. ex Rüst |
Synonym |
|
TRO |
| Melocactus buysianus J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus caesius H.L.Wendl. |
Synonym |
|
WCSP (in review) |
| Melocactus caesius var. griseus (H.L. Wendl. ex Miq.) Foerster |
Synonym |
|
TRO |
| Melocactus calderanus Eerkens |
Unresolved |
|
WCSP (in review) |
| Melocactus canescens F. Ritter |
Synonym |
|
TRO |
| Melocactus canescens var. montealtoi F. Ritter |
Synonym |
|
TRO |
| Melocactus capillaris Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus caroli-linnaei N.P. Taylor |
Accepted |
|
TRO |
| Melocactus cephalenoplus Lem. |
Synonym |
|
TRO |
| Melocactus cephalophora Salm-Dyck |
Unresolved |
|
WCSP (in review) |
| Melocactus citrispinus Antesberger |
Synonym |
|
TRO |
| Melocactus columna-trajani Pfeiff. |
Unresolved |
|
WCSP (in review) |
| Melocactus communis (Aiton) Link & Otto |
Synonym |
|
TRO |
| Melocactus communis var. havannensis Pfeiff. |
Unresolved |
|
WCSP (in review) |
| Melocactus compactus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus concinnus Buining & Brederoo |
Accepted |
|
TRO |
| Melocactus conoideus Buining & Brederoo |
Unresolved |
|
WCSP (in review) |
| Melocactus conoideus subsp. braunii (Esteves) Guiggi |
Synonym |
|
WCSP (in review) |
| Melocactus contortus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus cordatus J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus cornutus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus coronatus (Lam.) Backeb. |
Accepted |
|
TRO |
| Melocactus crassicostatus Lem. |
Synonym |
|
TRO |
| Melocactus cremnophilus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus croceus J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus curvicornis Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus curvispinus Pfeiff. |
Accepted |
|
WCSP (in review) |
| Melocactus curvispinus subsp. caesius (H.L.Wendl.) N.P.Taylor |
Accepted |
|
WCSP (in review) |
| Melocactus curvispinus f. caesius (H.L.Wendl.) N.P.Taylor |
Synonym |
|
WCSP (in review) |
| Melocactus curvispinus subsp. curvispinus |
Accepted |
|
TRO |
| Melocactus curvispinus subsp. dawsonii (Bravo) N.P. Taylor |
Accepted |
|
TRO |
| Melocactus curvispinus f. lobelii (J.V. Suringar) N.P. Taylor |
Accepted |
|
TRO |
| Melocactus cylindricus J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus dawsonii Bravo |
Synonym |
|
TRO |
| Melocactus deinacanthus Buining & Brederoo |
Accepted |
|
WCSP (in review) |
| Melocactus deinacanthus subsp. florschuetzianus (Buining & Brederoo) P.J. Braun |
Synonym |
|
TRO |
| Melocactus deinacanthus subsp. longicarpus (Buining & Brederoo) P.J. Braun |
Synonym |
|
TRO |
| Melocactus deinacanthus f. mulequensis (Buining & Brederoo) P.J. Braun |
Synonym |
|
TRO |
| Melocactus delessertianus Lem. |
Synonym |
|
TRO |
| Melocactus depressus Hook. |
Synonym |
|
TRO |
| Melocactus dichroacanthus Miq. |
Unresolved |
|
WCSP (in review) |
| Melocactus diersianus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus dilatatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus douradaensis Hovens & Strecker |
Synonym |
|
TRO |
| Melocactus eburneus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus elegans Pfeiff. |
Unresolved |
|
WCSP (in review) |
| Melocactus ellemeetii Miq. |
Unresolved |
|
WCSP (in review) |
| Melocactus elongatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus ernestii Vaupel |
Accepted |
|
WCSP (in review) |
| Melocactus ernestii subsp. longicarpus (Buining & Brederoo) N.P. Taylor |
Accepted |
|
TRO |
| Melocactus erythracanthus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus estevesii P.J.Braun |
Accepted |
|
WCSP (in review) |
| Melocactus euryacanthus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus eustachianus J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus evae Meszaros |
Synonym |
|
TRO |
| Melocactus evertszianus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus excavatus G.Don |
Unresolved |
|
WCSP (in review) |
| Melocactus extensus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus ferox Pfeiff. ex C.F.Först. |
Unresolved |
|
WCSP (in review) |
| Melocactus ferox Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus ferreophilus Buining & Brederoo |
Accepted |
|
WCSP (in review) |
| Melocactus ferus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus firmus J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus flammeus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus flavispinus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus flexilis Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus flexus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus florschuetzianus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus fortalezensis Rauh & Backeb. |
Synonym |
|
TRO |
| Melocactus gardenerianus Booth ex C.F.Först. |
Unresolved |
|
WCSP (in review) |
| Melocactus giganteus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus gilliesii Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus gilvispinus J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus gladiatus Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus glaucencens Buining & Brederoo |
Unresolved |
|
WCSP (in review) |
| Melocactus glaucescens Buining & Brederoo |
Accepted |
|
WCSP (in review) |
| Melocactus glauxianus Brederoo & Bercht |
Synonym |
|
TRO |
| Melocactus goniodacanthus Lem. |
Unresolved |
|
WCSP (in review) |
| Melocactus gracilis J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus grandis J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus grandispinus J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus grengelii J.Forbes |
Unresolved |
|
WCSP (in review) |
| Melocactus griseoloviridis Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus griseus H.L. Wendl. ex Miq. |
Synonym |
|
TRO |
| Melocactus guanensis Xhonneux & Fern.Alonso |
Unresolved |
|
WCSP (in review) |
| Melocactus guaricensis Croizat |
Synonym |
|
WCSP (in review) |
| Melocactus guatemalensis Gürke & Eichlam |
Synonym |
|
TRO |
| Melocactus guitartii León |
Synonym |
|
TRO |
| Melocactus harlowii (Britton & Rose) Vaupel |
Accepted |
|
TRO |
| Melocactus havannensis (Pfeiff.) Miq. |
Unresolved |
|
WCSP (in review) |
| Melocactus helvolilanatus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus helvolilanthus Buining & Brederoo |
Unresolved |
|
WCSP (in review) |
| Melocactus hernandezii Fern.Alonso & Xhonneux |
Unresolved |
|
WCSP (in review) |
| Melocactus hexacanthus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus hispaniolicus Vaupel |
Unresolved |
|
WCSP (in review) |
| Melocactus holguinensis Areces |
Synonym |
|
TRO |
| Melocactus hookeri Lawr. |
Unresolved |
|
WCSP (in review) |
| Melocactus hookeri J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus hookerianus Forbes ex C.F.Först. |
Unresolved |
|
WCSP (in review) |
| Melocactus horridus Werderm. |
Unresolved |
|
WCSP (in review) |
| Melocactus huallancensis Rauh & Backeb. |
Synonym |
|
TRO |
| Melocactus humilis Suringar |
Synonym |
|
WCSP (in review) |
| Melocactus hystrix Parm. ex Miq. |
Unresolved |
|
WCSP (in review) |
| Melocactus inclinatus Antesb. |
Unresolved |
|
WCSP (in review) |
| Melocactus inconcinnus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus inconcinnus var. brederooianus (Buining) F. Ritter |
Synonym |
|
TRO |
| Melocactus incurvus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus inflatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus ingens Karw. ex Pfeiff. |
Unresolved |
|
WCSP (in review) |
| Melocactus intermedius Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus interpositus F. Ritter |
Synonym |
|
TRO |
| Melocactus intortus (Mill.) Urb. |
Accepted |
|
TRO |
| Melocactus intortus var. antonii (Britton) Backeb. |
Synonym |
|
TRO |
| Melocactus intricatus Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus inversus J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus jakusii Meszaros |
Synonym |
|
TRO |
| Melocactus jansenianus (Borg) Backeb. |
Synonym |
|
TRO |
| Melocactus koolwijkianus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus krainzianus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus lamarckii G.Don |
Unresolved |
|
WCSP (in review) |
| Melocactus langsdorfii DC. |
Unresolved |
|
WCSP (in review) |
| Melocactus lanssensianus P.J.Braun |
Accepted |
|
WCSP (in review) |
| Melocactus lasyacanthus Sprenger |
Unresolved |
|
WCSP (in review) |
| Melocactus latispinus Pfeiff. |
Unresolved |
|
WCSP (in review) |
| Melocactus laui Antesb. |
Unresolved |
|
WCSP (in review) |
| Melocactus lehmannii Miq. |
Unresolved |
|
WCSP (in review) |
| Melocactus lemairei (Monv. ex Lem.) Miq. ex Lem. |
Accepted |
|
TRO |
| Melocactus lensselinkianus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus leopoldii auct. |
Unresolved |
|
WCSP (in review) |
| Melocactus leucacanthus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus leucaster Hoffmanns. |
Unresolved |
|
WCSP (in review) |
| Melocactus levitestatus Buining & Brederoo |
Accepted |
|
TRO |
| Melocactus limis Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus linkii J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus lobelii J.V. Suringar |
Synonym |
|
TRO |
| Melocactus loboguerreroi Cárdenas |
Synonym |
|
TRO |
| Melocactus longicarpus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus longispinus Buining, Brederoo & Theunissen |
Synonym |
|
TRO |
| Melocactus lutescens J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus macracanthoides Miq. |
Unresolved |
|
WCSP (in review) |
| Melocactus macracanthos (Salm-Dyck) Link & Otto |
Accepted |
|
TRO |
| Melocactus macrodiscus Werderm. |
Synonym |
|
TRO |
| Melocactus macrodiscus var. minor F. Ritter |
Synonym |
|
TRO |
| Melocactus mammillariaeformis Salm-Dyck |
Synonym |
|
TRO |
| Melocactus margaritaceus Rizzini |
Synonym |
|
TRO |
| Melocactus margaritaceus var. disciformis Rizzini |
Synonym |
|
TRO |
| Melocactus margaritaceus var. salvadoranus Rizzini |
Synonym |
|
TRO |
| Melocactus martialis Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus matanzanus León |
Accepted |
|
TRO |
| Melocactus maxonii (Rose) Gürke |
Synonym |
|
TRO |
| Melocactus maxonii var. sanctae-rosae L.D. Gómez |
Synonym |
|
TRO |
| Melocactus mazelianus Ríha |
Accepted |
|
WCSP (in review) |
| Melocactus melocactoides (Hoffmanns.) DC. |
Synonym |
|
TRO |
| Melocactus melocactoides f. capensis Rizzini |
Synonym |
|
TRO |
| Melocactus melocactoides f. civitatis Rizzini |
Synonym |
|
TRO |
| Melocactus melocactoides var. depressus (Hook.) Rizzini |
Synonym |
|
TRO |
| Melocactus melocactoides f. depressus (Hook.) Rizzini |
Synonym |
|
TRO |
| Melocactus melocactoides f. exsanguis Rizzini |
Synonym |
|
TRO |
| Melocactus melocactoides var. itaipuassuensis Rizzini |
Synonym |
|
TRO |
| Melocactus melocactoides var. natalensis Rizzini |
Synonym |
|
TRO |
| Melocactus melocactoides f. perspinosus Rizzini |
Synonym |
|
TRO |
| Melocactus melocactoides f. sanctaritae Rizzini |
Synonym |
|
TRO |
| Melocactus melocactoides var. violaceus (Pfeiff.) Rizzini |
Synonym |
|
TRO |
| Melocactus melocactus (L.) H. Karst. |
Synonym |
|
TRO |
| Melocactus meonacanthus Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus microcarpus J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus microcephalus Miq. |
Synonym |
|
TRO |
| Melocactus miquelii Lehm. |
Synonym |
|
TRO |
| Melocactus monoclonos DC. ex Steud. |
Unresolved |
|
WCSP (in review) |
| Melocactus montanus F. Ritter |
Synonym |
|
TRO |
| Melocactus monvillianus Miq. |
Unresolved |
|
WCSP (in review) |
| Melocactus mulequensis Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus nagyi Meszaros |
Synonym |
|
TRO |
| Melocactus nanus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus neomontanus Van Heek & Hovens |
Synonym |
|
TRO |
| Melocactus neryi K.Schum. |
Accepted |
|
WCSP (in review) |
| Melocactus nitidus F. Ritter |
Synonym |
|
TRO |
| Melocactus oaxacensis (Britton & Rose) Backeb. |
Synonym |
|
TRO |
| Melocactus obliquus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus obovatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus obtusipetalus Lem. |
Synonym |
|
TRO |
| Melocactus obtusipetalus var. crassicostatus (Lem.) Lem. ex Miq. |
Synonym |
|
TRO |
| Melocactus octogonus J.Forbes |
Unresolved |
|
WCSP (in review) |
| Melocactus onychacanthus F. Ritter |
Synonym |
|
TRO |
| Melocactus onychacanthus var. albescens F. Ritter |
Synonym |
|
TRO |
| Melocactus onychacanthus var. conicus F. Ritter |
Synonym |
|
TRO |
| Melocactus oreas Miq. |
Accepted |
|
TRO |
| Melocactus oreas f. azulensis (Buining, Brederoo & Theunissen) P.J. Braun |
Synonym |
|
TRO |
| Melocactus oreas subsp. bahiensis (Britton & Rose) Rizzini |
Synonym |
|
TRO |
| Melocactus oreas subsp. cremnophilus (Buining & Brederoo) P.J. Braun |
Accepted |
|
TRO |
| Melocactus oreas subsp. ernestii (Vaupel) P.J. Braun |
Synonym |
|
TRO |
| Melocactus oreas f. erythracanthus (Buining & Brederoo) P.J. Braun |
Synonym |
|
TRO |
| Melocactus oreas var. longispinus (Buining, Brederoo & Theunissen) P.J. Braun |
Synonym |
|
TRO |
| Melocactus oreas var. rubrisaetosus (Buining, Brederoo & Theunissen) Rizzini |
Synonym |
|
TRO |
| Melocactus oreas subsp. rubrisaetosus (Buining, Brederoo & Theunissen) P.J. Braun |
Synonym |
|
TRO |
| Melocactus oreas var. submunitis Rizzini |
Synonym |
|
TRO |
| Melocactus orthacanthus Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus ovatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus pachyacanthus Buining & Brederoo |
Unresolved |
|
WCSP (in review) |
| Melocactus pachyanthus Buining & Brederoo |
Unresolved |
|
WCSP (in review) |
| Melocactus pachycentrus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus parthonii Miq. |
Unresolved |
|
WCSP (in review) |
| Melocactus parvispinus DC. |
Unresolved |
|
WCSP (in review) |
| Melocactus parvispinus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus patens Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus paucispinus Heimen & R.J.Paul |
Unresolved |
|
WCSP (in review) |
| Melocactus pedernalensis M.M.Mejía & R.G.García |
Unresolved |
|
WCSP (in review) |
| Melocactus pentacanthus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus pentacentrus Lem. |
Synonym |
|
TRO |
| Melocactus perezassoi Areces |
Unresolved |
|
WCSP (in review) |
| Melocactus peruvianus Vaupel |
Accepted |
|
TRO |
| Melocactus peruvianus var. amstutziae (Rauh & Backeb.) Rauh & Backeb. |
Synonym |
|
TRO |
| Melocactus peruvianus var. canetensis Rauh & Backeb. |
Synonym |
|
TRO |
| Melocactus peruvianus var. lurinensis Rauh & Backeb. |
Synonym |
|
TRO |
| Melocactus pescaderensis Xhonneux & Fern.Alonso |
Unresolved |
|
WCSP (in review) |
| Melocactus pinguis J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus placentiformis DC. |
Unresolved |
|
WCSP (in review) |
| Melocactus platyacanthus Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus poliacanthus Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus portoricensis Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus praerupticola Areces |
Unresolved |
|
WCSP (in review) |
| Melocactus prolifer Otto & A.Dietr. |
Unresolved |
|
WCSP (in review) |
| Melocactus pruinosus Werderm. |
Synonym |
|
TRO |
| Melocactus pruinosus var. concinnus (Buining & Brederoo) P.J. Braun |
Synonym |
|
TRO |
| Melocactus pulvinosus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus pusillus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus pycnacanthus Cels ex Miq. |
Unresolved |
|
WCSP (in review) |
| Melocactus pyramidalis Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus radiatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus radoczii Meszaros |
Synonym |
|
TRO |
| Melocactus rectiusculus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus recurvus Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus reticulatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus reversus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus robustispinus Buining, Brederoo & Theunissen |
Synonym |
|
TRO |
| Melocactus roraimensis P.J. Braun & Esteves |
Synonym |
|
TRO |
| Melocactus roseus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus rubellus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus rubens Miq. |
Unresolved |
|
WCSP (in review) |
| Melocactus rubens Pfeiff. |
Unresolved |
|
WCSP (in review) |
| Melocactus rubrisaetosus Buining, Brederoo & Theunissen |
Synonym |
|
TRO |
| Melocactus rubrispinus F. Ritter |
Synonym |
|
TRO |
| Melocactus rudis Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus ruestii K. Schum. |
Synonym |
|
TRO |
| Melocactus ruestii subsp. cintalapensis Elizondo |
Synonym |
|
TRO |
| Melocactus ruestii subsp. maxonii (Rose) Elizondo |
Synonym |
|
TRO |
| Melocactus ruestii subsp. oaxacensis (Britton & Rose) Elizondo |
Synonym |
|
TRO |
| Melocactus ruestii subsp. sanctae-rosae (L.D. Gómez) Elizondo |
Synonym |
|
TRO |
| Melocactus rufispinus Bertol. |
Unresolved |
|
WCSP (in review) |
| Melocactus salmianus Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus salvador Murillo |
Synonym |
|
TRO |
| Melocactus salvadorensis Werderm. |
Unresolved |
|
WCSP (in review) |
| Melocactus saxicola L. Diers & E. Esteves Pereira |
Synonym |
|
TRO |
| Melocactus schatzlii H.Till & R.Gruber |
Accepted |
|
WCSP (in review) |
| Melocactus schlumbergerianus Lem. |
Unresolved |
|
WCSP (in review) |
| Melocactus schulzianus Buining & Brederoo |
Synonym |
|
WCSP (in review) |
| Melocactus securituberculatus Buining & Brederoo |
Synonym |
|
TRO |
| Melocactus sellowii Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus smithii (Alexander) Buining ex G.D. Rowley |
Accepted |
|
TRO |
| Melocactus smithii (Alexander) Buining |
Synonym |
|
TRO |
| Melocactus sordidus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus spatanginus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus spatangus Pfeiff. |
Unresolved |
|
WCSP (in review) |
| Melocactus stellatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus stramineus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus tenuispinus Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus tenuissimus J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus tephracanthus Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus townsendianus Backeb. |
Unresolved |
|
WCSP (in review) |
| Melocactus trachycephalus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus trichacanthus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus trigonaster J.V.Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus trigonus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus trujillensis Rauh & Backeb. |
Synonym |
|
TRO |
| Melocactus trujillensis var. schoenii Rauh & Backeb. |
Synonym |
|
TRO |
| Melocactus tuberculatus Link & Otto |
Unresolved |
|
WCSP (in review) |
| Melocactus uebelmannii P.J. Braun |
Synonym |
|
TRO |
| Melocactus uncinatus Suringar |
Unresolved |
|
WCSP (in review) |
| Melocactus unguispinus Backeb. |
Synonym |
|
TRO |
| Melocactus violaceus Pfeiff. |
Accepted |
|
WCSP (in review) |
| Melocactus violaceus subsp. margaritaceus N.P. Taylor |
Accepted |
|
TRO |
| Melocactus violaceus subsp. ritteri N.P. Taylor |
Accepted |
|
TRO |
| Melocactus viridescens Nutt. ex Teschem. |
Unresolved |
|
WCSP (in review) |
| Melocactus viridis Lawr. |
Unresolved |
|
WCSP (in review) |
| Melocactus warasii E. Pereira & R. Buenecker |
Synonym |
|
TRO |
| Melocactus wendlandii Miq. |
Unresolved |
|
WCSP (in review) |
| Melocactus xanthacanthus Miq. |
Unresolved |
|
WCSP (in review) |
| Melocactus zehntneri (Britton & Rose) Luetzelb. |
Accepted |
|
WCSP (in review) |
| Melocactus zehntneri var. ananas Rizzini |
Synonym |
|
TRO |
| Melocactus zehntneri subsp. canescens (F. Ritter) P.J. Braun |
Synonym |
|
TRO |
| Melocactus zehntneri var. curvicornis (Buining & Brederoo) P.J. Braun |
Synonym |
|
TRO |
| Melocactus zehntneri subsp. robustispinus (Buining, Brederoo & Theunissen) P.J. Braun |
Synonym |
|
TRO |
| Melocactus zehntneri var. viridis F. Ritter |
Synonym |
|
TRO |
| Melocactus zuccarinii Miq. |
Synonym |
|
TRO |
