Family Cactaceae
Acanthocereus (Triangle Cactus)
Acanthocalycium
Acharagma
Anhalonium see Ariocarpuss
Aporocactus see Disocactus
Ariocarpuss
Arrojadoa
Armatocereus (Living Rock Cactus)
Arthrocereus
Austrocactus
Austrocephalocereus see Micranthocereus
Austrocylindropuntia
Aztekium
Bartschella see Mammillaria
Bergerocactus (Snake Cactus)
Blackbergia see Pachycereus
Brachycereus
Brasilicereus
Brasiliopuntia
Browningia
Buiningia see Coleocephalocereus
Calymmanthium
Carnegiea (Saguaro)
Cephalocereus (Old Man Cactus)
Ceratistes see Eriosyce
Chamacereus (Hedgehog, Ses-Urchin, Easter Lily Cactus)
Chileniopsis see Eriosyce
Chileorebutia see Eriosyce
Chilita see Mammillaria
Cintia
Cipocereus
Cochiseia see Escobaria
Coleocephalocereus
Consolea
Copiapoa
Corryocactus
Coryphantha (Beehive Cactus)
Corynopuntia
Cryptocereus see Selenicereus
Cumulopunita
Cylindropuntia
Deamisa see Selenicereus
Delaetia see Eriosyce
Denmoza
Dolichothele see Mammillaria
Ebnerella see Mammillaria
Eccremocactus see Weberocereus
Echinocactus (Barrel Cactus)
Echinocereus (Hedgehog Cactus)
Echinomastus
Epithelantha (Pingpong Ball Cactus)
Eriosyce
Escobesseya see Excobaria
Escontria
Espostoopsis
Eulychnia
Excobaria (Foxtail Cactus or Pincushion Cactus)
Facheiroa
Ferocactus (Barrel Cactus)
Floribunda see Cipocereus
Fobea see Excobaria
Frailea
Geohintonia
Grusonia
Haagea see Mammillaria
Haageocereus
Hamatocactus see Thelocactus
Hatiora
Harrisia
Heliocereus see Disocactus
Hildmannia see Eriosyce
Hylocereus
Islaya see Eriosyce
Jasminocereus
Krainzia see Mammillaria
Lactomammillaria see Mammillaria
Lemaireocerus see Pachycereus
Leocereus
Leptocereus
Leptocladia see Mammillaria
Leuchtenbergia
Lobivia see Echinopsis
Lophophora
Mailhuenia
Mammillaria (Fishhook Cactus, Globe Cactus, Pincussion Cactus, Bird's Nest Cactus)
Mammilloydia
Mailhueniopsis
Marginatocereus see Pachycereus
Marniera see Selenicereus
Matucana
Mediocactus see Selenicereus
Melocactus
Micranthocereus
Micropuntia
Mila
Mirabella see Cereus
Miqueliopuntia
Morangaya see Echinocereus
Myrtillocactus
Neoabbottia see Leptocereus
Neobesseya see Escobaria
Neobuxbaumia
Neolloydia
Neoraimondia
Neocardenasia see Neoraimondia
Neogomesia see Ariocarpuss
Neowerdermannia
Notocactus see Parodia
Nichelia see Eriosyce
Obregonia
Oehmea see Mammillaria
Opuntia (Prickly Pear)
Opuntiopsis
Oreocereus
Oroya
Ortegocactus
Pachycereus
Pediocactus
Pelecyphora
Peniocereus
Pereskia
Pereskiopsis
Pferiffera see Lepismium
Phellosperma see Mammillaria
Pierrebraunia
Pilocopiapoa see Copiapoa
Pilosocereus
Piptanthocereus see Cereus
Philippicereus see Eulychnia
Polaskia
Porfiria see Mammillaria
Praecereus
Pseudoacanthocereus
Pseudomammillaria see Mammillaria
Pseudorhipsalis
Pterocactus
Pygmaeocereus
Pyrrhocactus see Eriosyce
Quiabentia
Rathbunia see Stenocereus
Rauhocereus
Ritterocereus see Stenocereus
Rodentiophila see Eriosyce
Roseocactus see Ariocarpuss
Samaipaticereus
Schlumbergera (Holiday Cactus)
Sclerocactus
Selenicereus
Siccobaccatus see Micranthocereus
Solisia see Mammillaria
Spinicalycium see Acanthocalycium
Stephanocereus
Stenocactus
Stenocereus
Stetsonia
Stromatocactus
Strophocacus see Selenicereus
Tacinga
Tephrocactus
Tunilla
Thelocephala see Eriosyce
Trichocereeae
Trichocereus see Trichocereeae
Turbinicarpus
Uebelmannia
Weberocereus
Weberbauerocereus
Werckleocereus see Weberocereus
Wilcoxia see Echinocereus
Yungasocereus
Zygocactus see Schlumbergera