Maihuenia patagonica (Philippi) Britton & Rose 1919
Maihuenia poeppigii (Pfeiffer) Karl Schumann 1898
Maihueniopsis archiconoidea Ritter 1980
Maihueniopsis clavarioides (Pfeiffer) Anderson 1999
Maihueniopsis conoidea Ritter 1980
Maihueniopsis darwinii (Henslow) Ritter 1980
Maihueniopsis glomerata (Haworth) Kiesling 1984
Maihueniopsis hypogaea (Werdermann) Ritter 1980
Maihueniopsis minuta (Backeberg) Kiesling 1984
Maihueniopsis subterranea (Fries) Anderson 1999
Mammillaria albicans subsp. albicans (Britton & Rose) Berger 1929
Mammillaria albicans subsp. fraileana (Britton & Rose) Hunt 1997
Mammillaria albicoma Boedeker 1929
Mammillaria albiflora (Werdermann) Backeberg 1937
Mammillaria albilanata subsp. albilanata Backeberg 1939
Mammillaria albilanata subsp. oaxacana Hunt 1997
Mammillaria albilanata subsp. reppenhagenii (Hunt) Hunt 1997
Mammillaria albilanata subsp. tegelbergiana (Lindsay) Hunt 1997
Mammillaria anniana Glass & Foster 1981
Mammillaria armillata K. Brandegee 1900
Mammillaria aureilanata Backeberg 1938
Mammillaria backebergiana subsp. backebergiana Buchenau 1966
Mammillaria backebergiana subsp. ernestii (Fittkau) Hunt 1997
Mammillaria barbata Engelmann 1848
Mammillaria baumii Boedeker 1926
Mammillaria beneckei Ehrenberg 1844
Mammillaria berkiana Lau 1986
Mammillaria bertholdii Linzen 2014
Mammillaria blossfeldiana Boedeker 1931
Mammillaria bocasana Poselger 1853
Mammillaria bocensis Craig 1945
Mammillaria boelderliana Wohlschlager 1988
Mammillaria bombycina subsp. bombycina Quehl 1910
M. bombycina subsp. perezdelarosae (Bravo & Scheinvar) Hunt 1997
Mammillaria brandegeei subsp. brandegeei (Coulter) K. Brandegee 1897
Mammillaria brandegeei subsp. gabbii (Coulter) Hunt 1997
Mammillaria brandegeei subsp. glaerosa (Boedeker) Hunt 1997
Mammillaria capensis (Gates) Craig) 1945
Mammillaria carmenae Castaneda & Nunez 1954
Mammillaria carnea Pfeiffer 1837
Mammillaria carretii Karl Schumann 1898
Mammillaria cerralboa (Britton & Rose) Orcutt 1926
Mammillaria coahuilensis (Boedeker) Moran 1953
Mammillaria columbiana subsp. columbiana Salm-Dyck 1850
Mammillaria columbiana subsp. yucatanensis (Britton & Rose) Hunt 1997
Mammillaria compressa subsp. compressa De Candolle 1828
Mammillaria compressa subsp. centralifera (Reppenhagen) Hunt 1997
Mammillaria crinita subsp. crinita De Candolle 1829
Mammillaria crinita subsp. leucantha (Boedeker) Hunt 1997
Mammillaria crinita subsp. wildii (Dieter) Hunt 1997
Mammillaria crucigera subsp. crucigera Martius 1872
Mammillaria crucigera subsp. tlalocii (Reppenhagen) Hunt 1997
Mammillaria decipiens subsp. decipiens Scheidweiler 1838
Mammillaria decipiens subsp. albescens (Tiegel) Hunt 1997
Mammillaria decipiens subsp. camptotricha (Dams) Hunt 1997
Mammillaria deherdtiana subsp. deherdtiana Farwig 1969
Mammillaria deherdtiana subsp. dodsonii (Bravo) Hunt 1997
Mammillaria densispina (Coulter) Orcutt 1926
Mammillaria dioica subsp. dioica K. Brandegee 1897
Mammillaria dioica subsp. angelensis (Craig) Hunt 1998
Mammillaria dioica subsp. estebanensis (Lindsay) Hunt 1998
Mammillaria discolor Haworth 1812
Mammillaria dixanthocentron [Backeberg ex] Mottram 1980
Mammillaria duoformis Craig & Dawson 1948
Mammillaria duwei Rogozinski & Braun 1985
Mammillaria eichlamii Quehl 1908
Mammillaria ekmanii Werdermann 1961
Mammillaria elongata subsp. elongata De Candolle 1828
Mammillaria elongata subsp. echinaria (De Candolle (Hunt) 1997
Mammillaria eriacantha Pfeiffer 1837
Mammillaria erythrosperma Boedeker 1918
Mammillaria evermanniana (Britton & Rose) Orcutt 1926
Mammillaria fittkaui subsp. fittkaui Glass & Foster 1971
Mammillaria fittkaui subsp. limonensis (Reppenhagen) Luethy 1995
Mammillaria flavicentra Backeberg ex Mottram 1980
Mammillaria formosa subsp. formosa Scheidweiler 1838
Mammillaria formosa subsp. chionocephala (Purpus) Hunt 1998
Mammillaria formosa subsp. microthele (Muehlenpfordt) Hunt 1997
Mammillaria formosa subsp. pseudocrucigera (Craig) Hunt 1997
Mammillaria gasseriana Boedeker 1927
Mammillaria geminispina Haworth 1824
Mammillaria gigantea Karl Schumann 1898
Mammillaria glassi Foster 1968
Mammillaria glochidiata Martius 1832
Mammillaria grahamii subsp. grahamii Engelmann 1856
Mammillaria grahamii subsp. sheldonii (Britton & Rose) Hunt 2005
Mammillaria grusonii Runge 1889
Mammillaria guelzowiana Werdermann 1928
Mammillaria guerreronis (Bravo) Backeberg & Knuth 1936
Mammillaria guillauminiana Backeberg 1952
Mammillaria haageana Pfeiffer 1836
Mammillaria hahniana Werdermann 1929
Mammillaria halbingeri Boedeker 1933
Mammillaria halei T. Brandegee 1889
Mammillaria hernandezii Glass & Foster 1983
Mammillaria herrerae Werdermann 1931
Mammillaria heyderi subsp. heyderi Muehlenpfordt 1848
Mammillaria heyderi subsp. gaumeri (Britton & Rose) Hunt 199
Mammillaria heyderi subsp. gummifera (Engelmann) Hunt 1997
Mammillaria heyderi subsp. hemisphaerica (Engelmann) Hunt 1997
Mammillaria heyderi subsp. macdougallii (Bailey) Hunt 1997
Mammillaria heyderi subsp. meiacantha (Engelmann) Hunt 1997
Mammillaria huitzilopochtli subsp. huitzilopochtli Hunt 1979
Mammillaria huitzilopochtli subsp. niduliformis (Lau) Pilbeam 1999
Mammillaria humboldtii Ehrenberg 1840
M. hutchisoniana subsp. hutchisoniana (Gates) Backeberg & Knuth 1936
Mammillaria hutchisoniana subsp. louisea (Lindsay) Hunt 1997
Mammillaria insularis Gates 1938
Mammillaria jaliscana subsp. jaliscana (Britton & Rose) Boedeker 1933
Mammillaria jaliscana subsp. zacatecasensis (Shur) Hunt 1997
Mammillaria johnstonii (Britton & Rose) Orcutt 1926
Mammillaria karwinskiana subsp. karwinskiana Martius 1832
Mammillaria karwinskiana subsp. beiselii (Diers) Hunt 1997
Mammillaria karwinskiana subsp. collinsii (Britton & Rose) Hunt 1997
Mammillaria karwinskiana subsp. nejapensis (Craig & Davson) Hunt 1997
Mammillaria klissingiana Boedeker 1927
Mammillaria knippeliana Quehl 1907
Mammillaria kraehenbuehlii (Krainz) Krainz 1971
Mammillaria lasiacantha Engelmann 1856
Mammillaria laui subsp. laui Hunt 1979
Mammillaria laui subsp. dasyacantha (Hunt) Hunt 1997
Mammillaria laui subsp. subducta (Hunt) Hunt 1997
Mammillaria lenta K. Brandegee 1904
