Voici la liste des genres de la famille des Cactaceae selon les diverses nomenclatures .
- sous-famille Blossfeldioideae Crozier, 2004
- sous-famille Cactoideae Eaton, 1830
- Acanthocalycium Backeb., 1935
- Acanthocereus (Engelm. ex A.Berger) Britton & Rose, 1909
- Acharagma (N.P.Taylor) Glass, 1997
- Ariocarpus Scheidw., 1838
- Armatocereus Backeb., 1938
- Arrojadoa Britton & Rose, 1920
- Arthrocereus A.Berger, 1929
- Astrophytum Lem., 1839
- Austrocactus Britton & Rose, 1922
- Aylostera Speg., 1923
- Aztekium Boed., 1929
- Bergerocactus Britton & Rose, 1909
- Blossfeldia Werderm., 1937
- Brachycereus Britton & Rose. 1920
- Brasilicereus Backeb., 1938
- Browningia Britton & Rose, 1920
- Calymmanthium F.Ritter, 1962
- Carnegiea Britton & Rose, 1908
- Castellanosia Cardenas, 1951
- Cephalocereus Pfeiff., 1838
- Cephalocleistocactus F.Ritter, 1959
- Cereus Mill., 1754
- Cintia Knize & Riha, 1995
- Cipocereus F.Ritter, 1979
- Cleistocactus Lem., 1861
- Coleocephalocereus Backeb., 1938
- Copiapoa Britton & Rose, 1922
- Corryocactus Britton & Rose, 1920
- Coryphantha (Engelm.) Lem., 1868
- Cumarinia Buxb.
- Deamia Britton & Rose, 1920
- Dendrocereus Britton & Rose, 1920
- Denmoza Britton & Rose, 1922
- Discocactus Pfeiff.
- Disocactus Aporocactus Lem., 1860
- Echinocactus Link & Otto, 1827
- Echinocereus Engelm., 1848
- Echinopsis Zucc.
- Epiphyllum Haw., 1819
- Epithelantha F.A.C.Weber ex Britton & Rose, 1922
- Eriosyce Phil., 1872
- Escobaria Britton & Rose
- Escontria Rose, 1906
- Espostoa Britton & Rose, 1920
- Espostoopsis Buxb., 1968
- Eulychnia Phil., 1860
- Facheiroa Britton & Rose, 1920
- Ferocactus Britton & Rose, 1922
- Frailea Britton & Rose, 1922
- Geohintonia Glass & W.A.Fitz., 1992
- Glandulicactus Backeb., 1938
- Gymnocalycium Pfeiff. ex Mittler, 1844
- Haageocereus Backeb., 1934
- Harrisia Britton, 1909
- Hatiora Britton & Rose, 1915
- Hylocereus (A.Berger) Britton & Rose, 1909
- Jasminocereus Britton & Rose, 1920
- Lasiocereus F.Ritter, 1981
- Lemaireocereus Britton & Rose, 1909
- Leocereus Britton & Rose, 1920
- Lepismium Pfeiff., 1835
- Leptocereus (A.Berger) Britton & Rose, 1909
- Leuchtenbergia Hook., 1848
- Lobivia Britton & Rose
- Lophocereus (A.Berger) Britton & Rose, 1909
- Lophophora J.M.Coult., 1894
- Lymanbensonia Kimnach, 1984
- Mammillaria Cochemiea (K.Brandegee) Walton, 1899
- Matucana Britton & Rose, 1922
- Melocactus Link & Otto, 1827
- Micranthocereus Backeb., 1938
- Mila Britton & Rose, 1922
- Mitrocereus Backeb.
- Monvillea Britton & Rose, 1920
- Myrtillocactus Console, 1897
- Neobuxbaumia Backeb., 1938
- Neolloydia Britton & Rose, 1922
- Neoraimondia Britton & Rose, 1920
- Neowerdermannia Fric, 1930
- Notocactus (K.Schum.) Fric, 1928
- Obregonia Fric, 1925
- Oreocereus (A.Berger) Riccob., 1909
- Oroya Britton & Rose, 1922
- Ortegocactus Alexander, 1961
- Pachycereus (A.Berger) Britton & Rose, 1909
- Parodia Speg., 1923
- Pediocactus Britton & Rose, 1913
- Pelecyphora Encephalocarpus A.Berger, 1929
- Peniocereus (A.Berger) Britton & Rose, 1909
- Pfeiffera Salm-Dyck, 1845
- Pilosocereus Byles & G.D.Rowley, 1957
- Polaskia Backeb., 1949
- Praecereus Buxb., 1968
- Pseudoacanthocereus F.Ritter, 1979
- Pseudomitrocereus Bravo & Buxb., 1961
- Pseudorhipsalis Britton & Rose, 1923
- Pterocereus Th.MacDoug. & Miranda, 1954
- Pygmaeocereus H.Johnson & Backeb., 1957
- Rauhocereus Backeb., 1957
- Rebutia K.Schum., 1895
- Reicheocactus Backeb., 1941
- Rhipsalis Gaertn., 1788
- Samaipaticereus Cardenas, 1952
- Schlumbergera Lem., 1858
- Sclerocactus Ancistrocactus Britton & Rose, 1923
- Selenicereus (A.Berger) Britton & Rose, 1909
- Stenocactus (K.Schum.) A.Berger ex A.W.Hill, 1933
- Stenocereus Isolatocereus (Backeb.) Backeb., 1941
- Stephanocereus A.Berger, 1926
- Stetsonia Britton & Rose, 1929
- Strombocactus Britton & Rose, 1922
- Strophocactus Britton & Rose, 1913
- Sulcorebutia Backeb., 1951
- Thelocactus (K.Schum.) Britton & Rose, 1922
- Thelocephala Y.Ito, 1957
- Trichocereus (A.Berger) Riccob., 1909
- Turbinicarpus (Backeb.) Buxb. & Backeb., 1937
- Uebelmannia Buining, 1967
- Weberbauerocereus Backeb., 1942
- Weberocereus Britton & Rose, 1909
- Weingartia Werderm., 1937
- Yavia R.Kiesling & Piltz, 2001
- Yungasocereus F.Ritter, 1980
- sous-famille Leuenbergerioideae Mayta & Molinari, 2015
- sous-famille Maihuenioideae P.Fearn, 1996
- Maihuenia (Phil. ex F.A.C.Weber) K.Schum., 1898
- sous-famille Opuntioideae Burnett, 1835
- Airampoa
- Austrocylindropuntia Backeb., 1938
- Brasiliopuntia (K.Schum.) A.Berger, 1926
- Consolea Lem., 1862
- Corynopuntia F.M.Knuth, 1936
- Cumulopuntia F.Ritter, 1980
- Cylindropuntia (Engelm.) F.M.Knuth, 1930
- Grusonia F.Rchb. ex K.Schum., 1896
- Maihueniopsis Speg., 1925
- Miqueliopuntia Fric ex F.Ritter, 1890
- Nopalea (L.) Salm-Dyck, 1850
- Opuntia Mill., 1754
- Pereskiopsis Britton & Rose, 1907
- Pterocactus K.Schum., 1897
- Punotia D.R.Hunt, 2011
- Quiabentia Britton & Rose, 1923
- Salmiopuntia Fric ex Guiggi, 2011
- Tacinga Britton & Rose, 1919
- Tephrocactus Lem., 1868
- Tunilla D.R.Hunt & Iliff, 2000
- sous-famille Pereskioideae Engelm., 1876
Certains genres ont été fusionnés
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