Matucana aurantiaca subsp. aurantiaca (Vaupel) Buxbaum 1973
Matucana aurantiaca subsp. currundayensis (Ritter) Mottram 1997
Matucana aurantiaca subsp. fruticosa (Ritter) Mottram 2002
Matucana aurantiaca subsp. hastifera (Ritter) Mottram 2002
Matucana aurantiaca subsp. polzii (Diers) Mottram 2002
Matucana aureiflora Ritter 1966
Matucana formosa Ritter 1963
Matucana haynei subsp. haynei (Salm-Dyck) Britton & Rose 1922
Matucana haynei subsp. herzogiana (Backeberg) Mottram 1997
Matucana haynei subsp. hystrix (Rauh & Backeberg) Mottram 1997
Matucana haynei subsp. myriacantha (Vaupel) Mottram 1997
Matucana huagalensis (Donald & Łau) Bregman 1988
Matucana intertexta Ritter 1963
Matucana krahnii (Donald) Bregman 1986
Matucana madisoniorum (Hutchison) Rowley 1973
Matucana oreodoxa (Ritter) Slaba 1986
Matucana paucicostata Ritter 1963
Matucana pujupatii (Donald & Łau) Bregman 1988
Matucana ritteri Buining 1959
Matucana tuberculata (Donald) Bregman 1987
Matucana weberbaueri (Vaupel) Backeberg 1939
Melocactus andinus subsp. andinus [Gruber ex] Taylor 1991
Melocactus andinus subsp. hernandezii (Fern & Xhon) Taylor 2003
Melocactus azureus Buining & Brederoo 1971
Melocactus bahiensis subsp. bahiensis (Britton & Rose) Luetzelburg 1926
Melocactus bahiensis subsp. amethystinus (Buining & Brederoo) Taylor 1991
Melocactus bellavistensis subsp. bellavistensis Rauh & Backeberg 1957
Melocactus bellavistensis subsp. onychacanthus (Ritter) Taylor 1991
Melocactus braunii Esteves 2003
Melocactus brederooianus Buining 1972
Melocactus broadwayi (Britton & Rose) Berger 1926
Melocactus caroli-linnaei Taylor 1991
Melocactus concinnus Buining & Brederoo 1972
Melocactus conoideus Buining & Brederoo 1973
Melocactus curvispinus subsp. curvispinus Pfeiffer 1837
Melocactus curvispinus subsp. caesius (Wendland) Taylor 1991
Melocactus curvispinus subsp. dawsonii (Bravo) Taylor 1991
Melocactus curvispinus subsp. koolwijkianus (Suringar) Thompson 2002
Melocactus deinacanthus Buining & Brederoo 1973
Melocactus ernestii subsp. ernestii Vaupel 1920
Melocactus ernestii subsp. longicarpus (Buining & Brederoo) Taylor 1991
Melocactus estevesii Braun 1989
Melocactus ferreophilus Buining & Brederoo 1973
Melocactus glaucescens Buining & Brederoo 1972
Melocactus harlowii (Britton & Rose) Vaupel 1916
Melocactus inconcinnus Buining & Brederoo 1975
Melocactus intortus subsp. intortus (Miller) Urban 1919
Melocactus intortus subsp. domingensis Areces Mallea 1997
Melocactus lanssensianus Braun 1986
Melocactus lemairei ([Monville ex] Lemaire) [Miquel ex] Lemaire 1840
Melocactus levitestatus Buining & Brederoo 1973
Melocactus macracanthos (Salm-Dyck) Link & Otto 1827
Melocactus matanzanus León 1934
Melocactus mazelianus Riha 1981
Melocactus neryi Karl Schumann 1901
Melocactus oreas subsp. oreas Miquel 1840
Melocactus oreas subsp. cremnophilus (Buining & Brederoo) 1988
Melocactus pachyacanthus subsp. pachyacanthus Buining & Brederoo 1976
Melocactus pachyacanthus subsp. viridis Taylor 1991
Melocactus paucispinus Heimen & Paul 1983
Melocactus peruvianus Vaupel 1913
Melocactus praerupticola Areces Mallea 2000
Melocactus salvadorensis Werdermann 1934
Melocactus schatzlii subsp. schatzlii Till & Gruber 1982
Melocactus schatzlii subsp. chicamochae Fern & Xhon 2002
Melocactus smithii (Alexander) Buining 1974
Melocactus stramineus Suringar 1886
Melocactus violaceus subsp. violaceus Pfeiffer 1835
Melocactus violaceus subsp. margaritaceus Taylor 1991
Melocactus violaceus subsp. ritteri Taylor 1991
Melocactus zehntneri subsp. zehntneri (Britton & Rose) Luetzelburg 1926
Melocactus zehntneri subsp. boomianus
Micranthocereus albicephalus (Buining & Brederoo) Ritter 1979
Micranthocereus auriazureus Buining & Brederoo 1973
Micranthocereus dolichospermaticus (Buining & Brederoo) Ritter 1979
Micranthocereus estevesii (Buining & Brederoo) Ritter 1979
Micranthocereus flaviflorus Buining & Brederoo 1974
Micranthocereus polyanthus subsp. polyanthus (Werdermann) Backeberg 1942
Micranthocereus polyanthus subsp. alvinii Machado & Hofacker 2004
Micranthocereus purpureus (Guerke) Ritter 1968
Micranthocereus streckeri Van Heek & Criekinge 1986
Micranthocereus violaciflorus Buining 1969
Mila caespitosa subsp. caespitosa Britton & Rose 1922
Mila caespitosa subsp. pugionifera (Rauh & Backeberg) Hunt 2005
Miqueliopuntia miquelii (Monville) Ritter 1980
Myrtillocactus cochal (Orcutt) Britton & Rose 1909
Myrtillocactus eichlamii Britton & Rose 1920
Myrtillocactus geometrizans (Pfeiffer) Console 1897
Myrtillocactus schenckii (Purpus) Britton & Rose 1909
