Cactaceae
This list of genera was made in April 2026 according to World Flora Online, Plants of the World Online, Stevens 2001 onwards (APWeb), and de Vos et al. 2025. This list includes only genera present in our herbaria: M and MSB.
| All genera (accepted genera in bold) | Stored under | Synonyms included |
|---|---|---|
| Acanthocalycium Backeb. | ||
| Acanthocereus (Engelm. ex A.Berger) Britton & Rose | Monvillea Britton & Rose | |
| Aporocactus Lem. | ||
| Arequipa Britton & Rose | Oreocereus (A.Berger) Riccob. | |
| Ariocarpus Scheidw. | Roseocactus A.Berger | |
| Armatocereus Backeb. | ||
| Arrojadoa Britton & Rose (prev. under Stephanocereus A.Berger) | ||
| Arthrocereus A.Berger | ||
| Astrophytum Lem. | ||
| Austrocephalocereus Backeb. | Micranthocereus Backeb. | |
| Austrocylindropuntia Backeb. | ||
| Aylostera Speg. (prev. under Rebutia K.Schum.) | ||
| Bergerocactus Britton & Rose | ||
| Borzicactus Riccob. | ||
| Brasiliopuntia (K.Schum.) A.Berger | ||
| Browningia Britton & Rose | ||
| Carnegiea Britton & Rose | ||
| Cephalocereus Pfeiff. | Neobuxbaumia Backeb. | |
| Cephalocleistocactus F.Ritter | ||
| Cereus Mill. | Subpilocereus Backeb. | |
| Cleistocactus Lem. | Demnosa Fric | |
| Cochemiea (K.Brandegee) Walton (prev. under Mammillaria Haw. and Phellosperma Britton & Rose) | ||
| Coleocephalocereus Backeb. | ||
| Consolea Lem. | ||
| Corryocactus Britton & Rose | ||
| Corynopuntia F.M.Knuth | Grusonia F.Rchb. ex Britton & Rose | |
| Coryphantha (Engelm.) Lem. | Lepidocoryphantha Backeb. | |
| Cumulopuntia F.Ritter (prev. under Opuntia Mill. and Tephrocactus Lem.) | ||
| Cylindropuntia (Engelm.) F.M.Knuth | ||
| Deamia Britton & Rose | ||
| Demnosa Britton & Rose | Cleistocactus Lem. | |
| Discocactus Pfeiff. | Nopalxochia Britton & Rose | |
| Disocactus Lindl. (prev. under Nopalxochia Britton & Rose, and Epiphyllum Haw) | Heliocereus (A.Berger) Britton & Rose | |
| Dolichothele (K.Schum.) Britton & Rose | Mammillaria Haw. | |
| Eccremocactus Britton & Rose | Weberocereus Britton & Rose | |
| Echinocactus Link & Otto | ||
| Echinocereus Engelm. | Wilcoxia Britton & Rose | |
| Echinofossulocactus Lawr. | Stenocactus (K.Schum.) A.W.Hill | |
| Echinopsis Zucc. | Helianthocereus Backeb., Lobivia Britton & Rose, Soehrensia Backeb., Trichocereus (A.Berger) Riccob. | |
| Encephalocarpus A.Berger | Pelecyphora C.Ehrenb. | |
| Epiphyllopsis Backeb. & F.M.Knuth | Hatiora Britton & Rose | |
| Epiphyllum Haw. | Marniera Backeb., Phyllocactus Link | |
| Eriosyce Phil. | Islaya Backeberg, Neoporteria Britton & Rose | |
| Escobaria Britton & Rose | Neobesseya Britton & Rose | |
| Escontria Rose | ||
| Espostoa Britton & Rose | ||
| Espostoopsis Buxb. | ||
| Facheiroa Britton & Rose | ||
| Ferocactus Britton & Rose | ||
| Grusonia F.Rchb. ex Britton & Rose | Corynopuntia F.M.Knuth | |
| Gymnocalycium Pfeiff. ex Mittler | ||
| Haageocereus Backeb. | ||
| Hamatocactus Britton & Rose | Thelocactus (K.Schum.) Britton & Rose | |
| Harrisia Britton | ||
| Hatiora Britton & Rose | Epiphyllopsis Backeb. & F.M.Knuth | |
| Helianthocereus Backeb. | Echinopsis Zucc. | |
| Heliocereus (A.Berger) Britton & Rose | Disocactus Lindl. | |
| Homalocephala Britton & Rose | ||
| Hylocereus (A.Berger) Britton & Rose | Selenicereus (A.Berger) Britton & Rose | |
| Islaya Backeb. | Eriosyce Phil. | |
| Kroenleinia Lodé (prev. under Echinocactus Link & Otto) | ||
| Lasiocereus F.Ritter | ||
| Lemaireocereus Britton & Rose | ||
| Leocereus Britton & Rose | ||
| Lepidocoryphantha Backeb. | Coryphantha (Engelm.) Lem. | |
| Lepismium Pfeiff. | ||
| Leptocereus (A.Berger) Britton & Rose | ||
| Leuchtenbergia Hook. | ||
| Leucostele Backeb. (prev. under Echinopsis Zucc., and Trichocereus (A.Berger) Riccob.) | ||
| Leuenbergeria Lodé (prev. under Pereskia Mill.) | ||
| Lobivia Britton & Rose | Echinopsis Zucc. | |
| Lophocereus (A.Berger) Britton & Rose | ||
| Lophophora J.M.Coult. | ||
| Lymanbensonia Kimnach (prev. under Lepismium Pfeiff. and Rhipsalis Gaertn.) | ||
| Maihuenia (Phil. ex F.A.C.Weber) K.Schum. | ||
| Maihueniopsis Speg. (prev. under Tephrocactus Lem., Austrocylindropuntia Backeb. and Opuntia Mill.) | ||
| Malacocarpus Salm-Dyck | Parodia Speg. | |
| Mamillaria Rchb.f. | Mammillaria Haw. | |
| Mammillaria Haw. | Dolichothele (K.Schum.) Britton & Rose, Mamillaria Rchb.f., Phellosperma Britton & Rose, Solisia Britton & Rose | |
| Marniera Backeb. | Epiphyllum Haw. | |
| Matucana Britton & Rose | ||
| Mediocactus Britton & Rose | Selenicereus (A.Berger) Britton & Rose | |
| Melocactus Link & Otto | ||
| Micranthocereus Backeb. | Austrocephalocereus Backeb. | |
| Mila Britton & Rose | ||
| Monvillea Britton & Rose | Acanthocereus (Engelm. ex A.Berger) Britton & Rose | |
| Myrtillocactus Console | ||
| Neobesseya Britton & Rose | Escobaria Britton & Rose | |
| Neobuxbaumia Backeb. | Cephalocereus Pfeiff. | |
| Neolloydia Britton & Rose | ||
| Neoporteria Britton & Rose | Eriosyce Phil. | |
| Neowerdermannia Frič | ||
| Nopalea Salm-Dyck | Opuntia Mill. | |
| Nopalxochia Britton & Rose | Discocactus Pfeiff. | |
| Notocactus (K.Schum.) Frič | Parodia Speg. | |
| Nyctocereus (A.Berger) Britton & Rose | ||
| Obregonia Frič | ||
| Oehmea Buxb. (prev. under Mammillaria Haw.) | ||
| Opuntia Mill. | Nopalea Salm-Dyck | |
| Oreocereus (A.Berger) Riccob. (prev. under Borzicactus Riccob.) | Arequipa Britton & Rose | |
| Oroya Britton & Rose | ||
| Parodia Speg. | Malacocarpus Salm-Dyck, Notocactus (K.Schum.) Fric | |
| Pediocactus Britton & Rose | ||
| Pelecyphora C.Ehrenb. (prev. under Coryphantha (Engelm.) Lem., Neobesseya Britton & Rose, and Escobaria Britton & Rose) | Encephalocarpus A.Berger | |
| Peniocereus (A.Berger) Britton & Rose | ||
| Pereskia Mill. | Rhodocactus (A. Berger) F.M.Knuth | |
| Pereskiopsis Britton & Rose | ||
| Pfeiffera Salm-Dyck (prev. under Rhipsalis Gaertn.) | ||
| Phellosperma Britton & Rose | Mammillaria Haw. | |
| Phyllocactus Link | Epiphyllum Haw. | |
| Pilocereus Lem. | Cephalocereus Pfeiff. | |
| Pilosocereus Byles & G.D.Rowley | ||
| Pseudoacanthocereus F.Ritter | Strophocactus Britton & Rose | |
| Pseudorhipsalis Britton & Rose (prev. under Disocactus Lindl.) | Wittiocactus Rauschert | |
| Pygmaeocereus H.Johnson & Backeb. | ||
| Quiabentia Britton & Rose | ||
| Rauhocereus Backeb. (prev. under Browningia Britton & Rose) | ||
| Rebutia K.Schum. | ||
| Reicheocactus Backeb. (prev. under Echinopsis Zucc.) | ||
| Rhipsalidopsis Britton & Rose (prev. under Hatiora Britton & Rose) | ||
| Rhipsalis Gaertn. | ||
| Rhodocactus (A.Berger) F.M.Knuth | Pereskia Mill. | |
| Ritterocereus Backeb. | Stenocereus (A.Berger) Riccob. | |
| Roseocactus A.Berger | Ariocarpus Scheidw. | |
| Salmonopuntia P.V.Heath (prev. under Opuntia Mill.) | ||
| Schlumbergera Lem. | Zygocactus K.Schum. | |
| Sclerocactus Britton & Rose | ||
| Selenicereus (A.Berger) Britton & Rose | Hylocereus (A. Berger) Britton & Rose, Mediocactus Britton & Rose | |
| Setiechinopsis Backeb. ex de Haas (prev. under Echinopsis Zucc.) | ||
| Soehrensia Backeb. | Echinopsis Zucc. | |
| Solisia Britton & Rose | Mammillaria Haw. | |
| Stenocactus (K.Schum.) A.W.Hill | Echinofossulocactus Lawr. | |
| Stenocereus (A.Berger) Riccob. | Ritterocereus Backeb. | |
| Stephanocereus A.Berger | ||
| Stetsonia Britton & Rose | ||
| Strophocactus Britton & Rose | Pseudoacanthocereus F.Ritter | |
| Subpilocereus Backeb. | Cereus Mill. | |
| Sulcorebutia Backeb. | Weingartia Werderm. | |
| Tacinga Britton & Rose (prev. under Opuntia Mill.) | ||
| Tephrocactus Lem. | ||
| Thelocactus (K.Schum.) Britton & Rose | Hamatocactus Britton & Rose | |
| Trichocereus (A.Berger) Riccob. | Echinopsis Zucc. | |
| Vatricania Backeb. (prev. under Espostoa Britton & Rose) | ||
| Weberbauerocereus Backeb. | ||
| Weberocereus Britton & Rose | Eccremocactus Britton & Rose, Werckleocereus Britton & Rose | |
| Weingartia Werderm. | Sulcorebutia Backeb. | |
| Werckleocereus Britton & Rose | Weberocereus Britton & Rose | |
| Wilcoxia Britton & Rose | Echinocereus Engelm. | |
| Wittiocactus Rauschert | Pseudorhipsalis Britton & Rose | |
| Xiquexique Lavor, Calvente & Versieux (prev. under Pilosocereus Byles & G.D.Rowley) | ||
| Yungasocereus F.Ritter | ||
| Zygocactus K.Schum. | Schlumbergera Lem. |
References
- de Vos, J.M., Eggli, U., Nyffeler, R., Larridon, I., McGinnie, C., Epitawalage, N., Maurin, O., Forest, F., Baker, W.J. (2025). Phylogenomics and classification of Cactaceae based on hundreds of nuclear genes. Plant Systematics and Evolution, 311, 28. https://doi.org/10.1007/s00606-025-01948-z
- Stevens, P.F. (2001 onwards). Angiosperm Phylogeny Website. Version 14, July 2017 [and more or less continuously updated since].
Foto: Austrocylindropuntia Backeb. © Luo Chen