Cactus Genera in World Flora Online

This is an overview of all cactus genera listed in World Flora Online as of May 4, 2021. You can sort the table or use the search field.

Note that this list contains several errors, like the acceptance of the rejected Cactus, the invalid ×Pachgerocereus and the illegitimate Leptocladia and Pilocereus.

genus	status	synonym of
Acanthanthus	❓ ambiguous
Acanthocalycium	☑ accepted
Acanthocereus	☑ accepted
Acantholobivia	👉 synonym	Echinopsis
Acanthopetalus	❓ ambiguous
Acanthorhipsalis	👉 synonym	Lepismium
Acharagma	☑ accepted
Airampoa	☑ accepted
Ancistrocactus	☑ accepted
Andenea	❓ ambiguous
Andinopuntia	❓ ambiguous
Anhalonium	👉 synonym
Aporberocereus	❓ ambiguous
Aporocactus	☑ accepted
Aporophyllum	❓ ambiguous
Arequipa	👉 synonym	Oreocereus
Arequipiopsis	👉 synonym	Oreocereus
Ariocarpus	☑ accepted
Armatocereus	☑ accepted
Arrojadoa	☑ accepted
Arthrocereus	☑ accepted
Astrophytum	☑ accepted
Austrocactus	☑ accepted
Austrocephalocereus	👉 synonym	Micranthocereus
Austrocylindropuntia	☑ accepted
Aylostera	👉 synonym	Rebutia
Aztekium	☑ accepted
Azureocereus	👉 synonym	Browningia
Backebergia	👉 synonym	Pachycereus
Bartschella	👉 synonym	Mammillaria
Bergerocactus	☑ accepted
Binghamia	👉 synonym	Espostoa
Blossfeldia	☑ accepted
Bolivicactus	❓ ambiguous
Borkersia	❓ ambiguous
Borzicactus	👉 synonym	Cleistocactus
Brachycereus	☑ accepted
Bragaia	☑ accepted
Brasilicactus	👉 synonym	Parodia
Brasilicereus	☑ accepted
Brasiliopuntia	☑ accepted
Brasiliparodia	👉 synonym	Parodia
Bravocactus	👉 synonym	Turbinicarpus
Bridgesia	☑ accepted
Brittonrosea	❓ ambiguous
Browningia	☑ accepted
Cactus	☑ accepted
Calymmanthium	☑ accepted
Carnegiea	☑ accepted
Castellanosia	👉 synonym	Browningia
Cephalocereus	☑ accepted
Cephalocleistocactus	☑ accepted
Cephalomamillaria	☑ accepted
Cephalophorus	❓ ambiguous
Cepheliocereus	❓ ambiguous
Cereus	☑ accepted
Chamaebivia	❓ ambiguous
Chamaelobivia	❓ ambiguous
Chamaezicactus	❓ ambiguous
Chiapasophyllum	❓ ambiguous
Chilenia	❓ ambiguous
Chilita	👉 synonym	Mammillaria
Cinnabarinea	❓ ambiguous
Cipocereus	☑ accepted
Clavarioidia	❓ ambiguous
Cleistocactus	☑ accepted
Cleistocana	❓ ambiguous
Cochemiea	👉 synonym	Mammillaria
Cochiseia	👉 synonym	Escobaria
Coleocephalocereus	☑ accepted
Consolea	☑ accepted
Copiapoa	☑ accepted
Corryocactus	☑ accepted
Corynopuntia	👉 synonym	Opuntia
Coryphantha	☑ accepted
Cumulopuntia	☑ accepted
Cylindropuntia	☑ accepted
Cylindrorebutia	❓ ambiguous
Deamia	👉 synonym	Selenicereus
Delaetia	👉 synonym	Eriosyce
Demnosa	❓ ambiguous
Dendrocereus	☑ accepted
Denmoza	☑ accepted
Digitorebutia	👉 synonym	Rebutia
Discocactus	☑ accepted
Disisocactus	❓ ambiguous
Disocactus	☑ accepted
Disophyllum	❓ ambiguous
Disoselenicereus	❓ ambiguous
Dolichothele	👉 synonym	Mammillaria
Ebnerella	❓ ambiguous
Eccremocactus	👉 synonym	Weberocereus
Echinocactus	☑ accepted
Echinocereus	☑ accepted
Echinofossulocactus	👉 synonym	Echinocactus
Echinomastus	☑ accepted
Echinonyctanthus	❓ ambiguous
Echinopsis	☑ accepted
Efossus	❓ ambiguous
Emorycactus	👉 synonym	Echinocactus
Encephalocarpus	👉 synonym	Pelecyphora
Eomatucana	👉 synonym	Matucana
Epinicereus	❓ ambiguous
Epiphyllum	☑ accepted
Epithelantha	☑ accepted
Erdisia	👉 synonym	Corryocactus
Eriocactus	👉 synonym	Parodia
Eriocephala	👉 synonym	Parodia
Eriocereopsis	❓ ambiguous
Eriocereus	👉 synonym	Harrisia
Eriosyce	☑ accepted
Erythrorhipsalis	👉 synonym	Rhipsalis
Escobaria	☑ accepted
Escobariopsis	❓ ambiguous
Escontria	☑ accepted
Espostoa	☑ accepted
Espostocactus	❓ ambiguous
Espostoopsis	☑ accepted
Estevesia	☑ accepted
Eulychnia	☑ accepted
Eulychnocactus	❓ ambiguous
Euporteria	❓ ambiguous
Facheiroa	☑ accepted
Ferocactus	☑ accepted
Frailea	☑ accepted
Geohintonia	☑ accepted
Gerocephalus	👉 synonym	Espostoopsis
Glandulicactus	☑ accepted
Grusonia	☑ accepted
Gymnantha	❓ ambiguous
Gymnocactus	👉 synonym	Turbinicarpus
Gymnocalycium	☑ accepted
Gymnorebutia	❓ ambiguous
Haageocereus	☑ accepted
Haagespostoa	❓ ambiguous
Hamatocactus	☑ accepted
Hariota	☑ accepted
Harrisia	☑ accepted
Haseltonia	👉 synonym	Cephalocereus
Hatiora	☑ accepted
Helianthocereus	👉 synonym	Echinopsis
Heliocereus	☑ accepted
Heliochia	❓ ambiguous
Heliorhipsalis	❓ ambiguous
Helioselenius	❓ ambiguous
Heliphyllum	❓ ambiguous
Hildewintera	👉 synonym	Cleistocactus
Hildmannia	❓ ambiguous
Horridocactus	👉 synonym	Eriosyce
Hylocereus	☑ accepted
Hylorhipsalis	❓ ambiguous
Hymenorebutia	👉 synonym	Echinopsis
Islaya	👉 synonym	Eriosyce
Isolatocereus	👉 synonym	Stenocereus
Jasminocereus	☑ accepted
Kadenicarpus	👉 synonym	Turbinicarpus
Krainzia	👉 synonym	Mammillaria
Lactomamillara	❓ ambiguous
Lagenosocereus	❓ ambiguous
Lasiocereus	☑ accepted
Lemaireocereus	👉 synonym	Pachycereus
Leocereus	☑ accepted
Lepismium	☑ accepted
Leptocereus	☑ accepted
Leptocladia	☑ accepted
Leptocladodia	👉 synonym	Mammillaria
Leuchtenbergia	☑ accepted
Lobivia	☑ accepted
Lodia	❓ ambiguous
Lophocereus	👉 synonym	Pachycereus
Lophophora	☑ accepted
Loxanthocereus	👉 synonym	Cleistocactus
Lymanbensonia	☑ accepted
Maihuenia	☑ accepted
Maihueniopsis	☑ accepted
Malacocarpus	☑ accepted
Mammillaria	☑ accepted
Mammilloydia	☑ accepted
Marginatocereus	👉 synonym	Pachycereus
Matucana	☑ accepted
Mediocactus	👉 synonym	Disocactus
Mediolobivia	👉 synonym	Rebutia
Melocactus	☑ accepted
Mesechinopsis	❓ ambiguous
Meyenia	❓ ambiguous
Micranthocereus	☑ accepted
Micropuntia	❓ ambiguous
Microspermia	❓ ambiguous
Mila	☑ accepted
Miqueliopuntia	☑ accepted
Mitrocereus	👉 synonym	Pachycereus
Monvillea	☑ accepted
Myrtgerocactus	❓ ambiguous
Myrtillocactus	☑ accepted
Myrtillocereus	❓ ambiguous
Navajoa	👉 synonym	Pediocactus
Neobesseya	👉 synonym	Escobaria
Neobuxbaumia	☑ accepted
Neochilenia	👉 synonym	Eriosyce
Neodawsonia	👉 synonym	Cephalocereus
Neodiscocactus	❓ ambiguous
Neoevansia	👉 synonym	Peniocereus
Neogymnantha	❓ ambiguous
Neolemaireocereus	❓ ambiguous
Neolloydia	☑ accepted
Neolobivia	👉 synonym	Echinopsis
Neomammillaria	👉 synonym	Mammillaria
Neonavajoa	❓ ambiguous
Neoporteria	👉 synonym	Eriosyce
Neoraimondia	☑ accepted
Neowerdermannia	☑ accepted
Nichelia	❓ ambiguous
Nopal	❓ ambiguous
Nopalea	☑ accepted
Nopalxochia	👉 synonym	Disocactus
Normanbokea	👉 synonym	Turbinicarpus
Nothorhipsalis	❓ ambiguous
Notocactus	👉 synonym	Parodia
Nyctocereus	👉 synonym	Peniocereus
Obregonia	☑ accepted
Oehmea	👉 synonym	Mammillaria
Opuntia	☑ accepted
Oreocereus	☑ accepted
Oroya	☑ accepted
Ortegocactus	☑ accepted
Pachebergia	❓ ambiguous
Pacherocactus	❓ ambiguous
Pachgerocereus	☑ accepted
Pachycereus	☑ accepted
Parodia	☑ accepted
Parrycactus	❓ ambiguous
Pediocactus	☑ accepted
Peireskia	❓ ambiguous
Pelecyphora	☑ accepted
Peniocereus	☑ accepted
Pereskia	☑ accepted
Pereskiopsis	☑ accepted
Peronocactus	❓ ambiguous
Peruviopuntia	❓ ambiguous
Peyotl	❓ ambiguous
Pfeiffera	☑ accepted
Phellosperma	👉 synonym	Mammillaria
Phyllarthus	❓ ambiguous
Phyllocactus	❓ ambiguous
Pierrebraunia	☑ accepted
Pilocereus	☑ accepted
Pilosocereus	☑ accepted
Piptanthocereus	👉 synonym	Cereus
Platyopuntia	☑ accepted
Plutonopuntia	❓ ambiguous
Polaskia	☑ accepted
Porfiria	👉 synonym	Mammillaria
Praecereus	☑ accepted
Pseudoacanthocereus	☑ accepted
Pseudolobivia	👉 synonym	Echinopsis
Pseudomammillaria	👉 synonym	Mammillaria
Pseudomitrocereus	👉 synonym	Pachycereus
Pseudopilocereus	👉 synonym	Pilosocereus
Pseudorhipsalis	☑ accepted
Pseudosolisia	❓ ambiguous
Pseudotephrocactus	❓ ambiguous
Pterocactus	☑ accepted
Pterocereus	👉 synonym	Pachycereus
Puebloa	☑ accepted
Puna	☑ accepted
Punotia	❓ ambiguous
Pygmaeocereus	☑ accepted
Pyrrhocactus	👉 synonym	Eriosyce
Quiabentia	☑ accepted
Rapicactus	👉 synonym	Turbinicarpus
Rathbunia	❓ ambiguous
Rathbunillocactus	❓ ambiguous
Rebulobivia	❓ ambiguous
Rebutia	☑ accepted
Reicheocactus	👉 synonym	Echinopsis
Rhipsalidopsis	👉 synonym	Hatiora
Rhipsalis	☑ accepted
Rhipsaphyllopsis	❓ ambiguous
Rhodocactus	👉 synonym	Pereskia
Ritterocactus	❓ ambiguous
Ritterocereus	👉 synonym	Stenocereus
Rodentiophila	❓ ambiguous
Roseia	❓ ambiguous
Roseocactus	👉 synonym	Ariocarpus
Roseocereus	👉 synonym	Harrisia
Salmiopuntia	❓ ambiguous
Salmonopuntia	❓ ambiguous
Salpingolobivia	❓ ambiguous
Samaipaticereus	☑ accepted
Schlumbergera	☑ accepted
Schlumbergeranthus	❓ ambiguous
Sclerocactus	☑ accepted
Seleliocereus	❓ ambiguous
Selenicereus	☑ accepted
Seleniphyllum	❓ ambiguous
Seticereus	👉 synonym	Cleistocactus
Setirebutia	❓ ambiguous
Siccobaccatus	👉 synonym	Micranthocereus
Soehrensia	👉 synonym	Echinopsis
Solisia	👉 synonym	Mammillaria
Spegazzinia	❓ ambiguous
Stenillocactus	❓ ambiguous
Stenocactus	☑ accepted
Stenocereus	☑ accepted
Stephanocereus	☑ accepted
Stetsonia	☑ accepted
Stromatocactus	❓ ambiguous
Stromatocarpus	❓ ambiguous
Strombocactus	☑ accepted
Submatucana	👉 synonym	Matucana
Subpilocereus	👉 synonym	Cereus
Sulcorebutia	☑ accepted
Tacinga	☑ accepted
Tephrocactus	👉 synonym	Opuntia
Terecaulis	❓ ambiguous
Thelocactus	☑ accepted
Thelocephala	👉 synonym	Eriosyce
Thrixanthocereus	👉 synonym	Espostoa
Torreycactus	☑ accepted
Toumeya	❓ ambiguous
Trichocereus	☑ accepted
Trichoechinopsis	❓ ambiguous
Trichomoza	❓ ambiguous
Trichopuntia	❓ ambiguous
Tunilla	☑ accepted
Turbinicarpus	☑ accepted
Turbiniphora	❓ ambiguous
Uebelmannia	☑ accepted
Ursopuntia	❓ ambiguous
Weberbauerocereus	☑ accepted
Weberocereus	☑ accepted
Weingartia	☑ accepted
Werckleocereus	👉 synonym	Weberocereus
Wigginsia	👉 synonym	Parodia
Wilcoxia	👉 synonym	Echinocereus
Winterocereus	☑ accepted
Wittia	❓ ambiguous
Yavia	☑ accepted
Yungasocereus	☑ accepted
Zehntnerella	👉 synonym	Facheiroa
Zygocactus	👉 synonym	Schlumbergera