GRIN-CA Genera of Cactaceae:

Acanthocalycium Backeb.

List of Species in GRIN-CA.

Acanthocephala Backeb.

= Parodia Speg.

Acanthocereus (Engelm. ex A. Berger) Britton & Rose

List of Species in GRIN-CA.

Acantholobivia Backeb.

= Echinopsis Zucc.

Acanthopetalus Y. Ito

= Echinopsis Zucc.

Acanthorhipsalis (K. Schum.) Britton & Rose

= Lepismium Pfeiff.

Acanthorhipsalis Kimnach

= Lepismium Pfeiff.

Acharagma (N. P. Taylor) Glass

List of Species in GRIN-CA.

Airampoa Fric

= Opuntia Mill.

Akersia Buining

= Cleistocactus Lem.

List of Species in GRIN-CA.

Ancistrocactus Britton & Rose

= Sclerocactus Britton & Rose

List of Species in GRIN-CA.

Andenea Fric, nom. inval.

= Echinopsis Zucc.

Anhalonium Lem.

= Ariocarpus Scheidw.

List of Species in GRIN-CA.

Anisocereus Backeb.

= Pachycereus (A. Berger) Britton & Rose

Aporocactus Lem.

= Disocactus Lindl.

List of Species in GRIN-CA.

Aporocereus Fric & Kreuz.

= Disocactus Lindl.

Arequipa Britton & Rose

= Oreocereus (A. Berger) Riccob.

Arequipiopsis Kreuz. & Buining

= Oreocereus (A. Berger) Riccob.

Ariocarpus Scheidw.

List of Species in GRIN-CA.

Armatocereus Backeb.

List of Species in GRIN-CA.

Arrojadoa Britton & Rose

List of Species in GRIN-CA.

Arthrocereus A. Berger

= Echinopsis Zucc.

List of Species in GRIN-CA.

Astrophyton Lawr., orth. var.

= Astrophytum Lem.

Astrophytum Lem.

List of Species in GRIN-CA.

Aulacothele Monv., nom. inval.

= Coryphantha (Engelm.) Lem.

Aureilobivia Fric, nom. inval.

= Echinopsis Zucc.

Austrocactus Britton & Rose

List of Species in GRIN-CA.

Austrocephalocereus Backeb.

= Micranthocereus Backeb.

List of Species in GRIN-CA.

Austrocylindropuntia Backeb.

List of Species in GRIN-CA.

Aylostera Speg.

= Rebutia K. Schum.

Aztekium Boed.

List of Species in GRIN-CA.

Azureocereus Akers & H. Johnson

= Browningia Britton & Rose

Backebergia Bravo

= Pachycereus (A. Berger) Britton & Rose

List of Species in GRIN-CA.

Bartschella Britton & Rose

= Mammillaria Haw.

Bergerocactus Britton & Rose

List of Species in GRIN-CA.

Bergerocereus Fric & Kreuz.

= Bergerocactus Britton & Rose

Binghamia Britton & Rose

= Espostoa Britton & Rose

Bisnaga Orcutt

=~ Ferocactus Britton & Rose

Blossfeldia Werderm.

= Parodia Speg.

List of Species in GRIN-CA.

Bolivicereus Cardenas

= Cleistocactus Lem.

Bonifazia Standl. & Steyerm.

= Disocactus Lindl.

Borzicactella H. Johnson ex F. Ritter

= Cleistocactus Lem.

Borzicactus Riccob.

= Cleistocactus Lem.

List of Species in GRIN-CA.

Borzicereus Fric & Kreuz.

= Cleistocactus Lem.

Brachycalycium Backeb.

= Gymnocalycium Pfeiff. ex Mittler

Brachycereus Britton & Rose

List of Species in GRIN-CA.

Brasilicactus Backeb.

= Parodia Speg.

List of Species in GRIN-CA.

Brasilicereus Backeb.

List of Species in GRIN-CA.

Brasiliopuntia (K. Schum.) A. Berger

List of Species in GRIN-CA.

Brasiliparodia F. Ritter

= Parodia Speg.

Brasilocactus Fric, nom. inval.

= Parodia Speg.

Bridgesia Backeb.

= Rebutia K. Schum.

Brittonia C. A. Armstr., nom. inval.

= Ferocactus Britton & Rose

Brittonrosea Speg.

= Echinocactus Link & Otto

Browningia Britton & Rose

List of Species in GRIN-CA.

Buiningia Buxb.

= Coleocephalocereus Backeb.

Cactodendron Bigelow, nom. inval.

= Opuntia Mill.

Cactus L.

= Mammillaria Haw.

List of Species in GRIN-CA.

Cactus Lem.

= Opuntia Mill.

List of Species in GRIN-CA.

Cactus Britton & Rose

= Melocactus Link & Otto

List of Species in GRIN-CA.

Calymmanthium F. Ritter

List of Species in GRIN-CA.

Carnegiea Britton & Rose

List of Species in GRIN-CA.

Cassytha Mill.

= Rhipsalis Gaertn.

List of Species in GRIN-CA.

Castellanosia Cardenas

= Browningia Britton & Rose

List of Species in GRIN-CA.

Cephalocereus Pfeiff.

List of Species in GRIN-CA.

Cephalocleistocactus F. Ritter

=~ Cleistocactus Lem.

Cephalomammillaria Fric

= Epithelantha F. A. C. Weber ex Britton & Rose

Ceratistes Labour., nom. inval.

= Eriosyce Phil.

Cereus Mill.

List of Species in GRIN-CA.

Chaffeyopuntia Fric & Schelle

= Opuntia Mill.

Chamaecereus Britton & Rose

= Echinopsis Zucc.

Chamaelobivia Y. Ito, nom. inval.

= Echinopsis Zucc.

Chiapasia Britton & Rose

= Disocactus Lindl.

Chichipia Backeb., nom. inval.

= Polaskia Backeb.

Chileniopsis Backeb.

= Eriosyce Phil.

Chileocactus Fric, nom. inval.

= Eriosyce Phil.

Chileorebutia Fric ex F. Ritter

= Eriosyce Phil.

Chiliorebutia Fric, orth. var.

= Eriosyce Phil.

Chilita Orcutt

= Mammillaria Haw.

Chrysocactus Y. Ito, nom. inval.

= Parodia Speg.

Cinnabarinea Fric ex F. Ritter

= Echinopsis Zucc.

Cintia Knize & Riha

List of Species in GRIN-CA.

Cipocereus F. Ritter

List of Species in GRIN-CA.

Clavarioidia Kreuz., nom. inval.

= Opuntia Mill.

Cleistocactus Lem.

List of Species in GRIN-CA.

Cleistocereus Fric & Kreuz.

= Cleistocactus Lem.

Clistanthocereus Backeb.

= Cleistocactus Lem.

Cochemiea (K. Brandegee) Walton

= Mammillaria Haw.

Cochiseia W. H. Earle

= Escobaria Britton & Rose

List of Species in GRIN-CA.

Coleocephalocereus Backeb.

List of Species in GRIN-CA.

Coloradoa Boissev. & C. Davidson

= Sclerocactus Britton & Rose

List of Species in GRIN-CA.

Consolea Lem.

List of Species in GRIN-CA.

Copiapoa Britton & Rose

List of Species in GRIN-CA.

Corryocactus Britton & Rose

List of Species in GRIN-CA.

Corryocereus Fric & Kreuz.

= Corryocactus Britton & Rose

Corynopuntia F. M. Knuth

= Opuntia Mill.

Coryphantha (Engelm.) Lem.

List of Species in GRIN-CA.

Cryptocereus Alexander

= Selenicereus (A. Berger) Britton & Rose

List of Species in GRIN-CA.

Cullmannia Distefano

= Peniocereus (A. Berger) Britton & Rose

Cumarinia Buxb.

= Coryphantha (Engelm.) Lem.

List of Species in GRIN-CA.

Cumulopuntia F. Ritter

List of Species in GRIN-CA.

Cylindropuntia (Engelm.) F. M. Knuth

List of Species in GRIN-CA.

Cylindrorebutia Fric & Kreuz.

= Rebutia K. Schum.

Dactylanthocactus Y. Ito

= Parodia Speg.

Deamia Britton & Rose

= Selenicereus (A. Berger) Britton & Rose

Delaetia Backeb.

= Eriosyce Phil.

Demnosa Fric

= Cleistocactus Lem.

Dendrocereus Britton & Rose

= Acanthocereus (Engelm. ex A. Berger) Britton & Rose

List of Species in GRIN-CA.

Denmoza Britton & Rose

List of Species in GRIN-CA.

Digitorebutia Fric & Kreuz.

= Rebutia K. Schum.

Digitostigma Velazco & Nevarez, nom. inval.

= Astrophytum Lem.

List of Species in GRIN-CA.

Diploperianthium F. Ritter, nom. inval.

= Calymmanthium F. Ritter

Discocactus Pfeiff.

List of Species in GRIN-CA.

Disisocactus Kunze, orth. var.

= Disocactus Lindl.

Disocactus Lindl.

List of Species in GRIN-CA.

Disocereus Fric & Kreuz.

= Disocactus Lindl.

Dolichothele (K. Schum.) Britton & Rose

= Mammillaria Haw.

Dracocactus Y. Ito, nom. inval.

= Eriosyce Phil.

Ebnerella Buxb.

= Mammillaria Haw.

Eccremocactus Britton & Rose

= Weberocereus Britton & Rose

Eccremocereus Fric & Kreuz.

= Weberocereus Britton & Rose

Echinocactus Link & Otto

List of Species in GRIN-CA.

Echinocereus Engelm.

List of Species in GRIN-CA.

Echinofossulocactus Lawr.

= Echinocactus Link & Otto

Echinofossulocactus Britton & Rose

= Stenocactus (K. Schum.) A. W. Hill

Echinolobivia Y. Ito, nom. inval.

= Echinopsis Zucc.

Echinomastus Britton & Rose

List of Species in GRIN-CA.

Echinonyctanthus Lem.

= Echinopsis Zucc.

Echinopsis Zucc.

List of Species in GRIN-CA.

Echinorebutia Fric, nom. inval.

= Rebutia K. Schum.

Efossus Orcutt

= Stenocactus (K. Schum.) A. W. Hill

Encephalocarpus A. Berger

= Pelecyphora C. Ehrenb.

List of Species in GRIN-CA.

Eomatucana F. Ritter

= Matucana Britton & Rose

List of Species in GRIN-CA.

Epiphyllanthus A. Berger

= Schlumbergera Lem.

List of Species in GRIN-CA.

Epiphyllopsis Backeb. & F. M. Knuth

= Hatiora Britton & Rose

Epiphyllum Haw.

List of Species in GRIN-CA.

Epiphyllum Pfeiff.

= Schlumbergera Lem.

List of Species in GRIN-CA.

Epithelantha F. A. C. Weber ex Britton & Rose

List of Species in GRIN-CA.

Erdisia Britton & Rose

= Corryocactus Britton & Rose

Eriocactus Backeb.

= Parodia Speg.

Eriocephala Backeb.

= Parodia Speg.

Eriocereus (A. Berger) Riccob.

= Harrisia Britton

List of Species in GRIN-CA.

Eriosyce Phil.

List of Species in GRIN-CA.

Erythrorhipsalis A. Berger

= Rhipsalis Gaertn.

Escobaria Britton & Rose

List of Species in GRIN-CA.

Escobesseya Hester

= Escobaria Britton & Rose

Escontria Rose

List of Species in GRIN-CA.

Espostoa Britton & Rose

List of Species in GRIN-CA.

Espostoopsis Buxb.

List of Species in GRIN-CA.

Eulychnia Phil.

List of Species in GRIN-CA.

Eulychnocactus Backeb., nom. inval.

= Corryocactus Britton & Rose

Euporteria Kreuz. & Buining

= Eriosyce Phil.

Eurebutia Fric, nom. inval.

= Rebutia K. Schum.

Facheiroa Britton & Rose

List of Species in GRIN-CA.

Ferocactus Britton & Rose

List of Species in GRIN-CA.

Ficindica St.-Lag.

= Opuntia Mill.

Floresia Krainz & F. Ritter ex Backeb., nom. inval.

= Haageocereus Backeb.

Floribunda F. Ritter

= Cipocereus F. Ritter

Fobea Fric, nom. inval.

= Escobaria Britton & Rose

Frailea Britton & Rose

List of Species in GRIN-CA.

Friesia Fric, nom. inval.

= Parodia Speg.

Furiolobivia Y. Ito, nom. inval.

= Echinopsis Zucc.

Geohintonia Glass & Fitz Maurice

List of Species in GRIN-CA.

Gerocephalus F. Ritter

= Espostoopsis Buxb.

Glandulicactus Backeb.

=~ Sclerocactus Britton & Rose

List of Species in GRIN-CA.

Glandulifera (Salm-Dyck) Fric

= Coryphantha (Engelm.) Lem.

Grusonia Rchb. f. ex Britton & Rose

= Opuntia Mill.

List of Species in GRIN-CA.

Gymnantha Y. Ito

= Rebutia K. Schum.

Gymnanthocereus Backeb.

= Cleistocactus Lem.

Gymnocactus Backeb.

= Turbinicarpus (Backeb.) Buxb. & Backeb.

List of Species in GRIN-CA.

Gymnocalycium Pfeiff. ex Mittler

List of Species in GRIN-CA.

Gymnocereus Rauh & Backeb.

= Browningia Britton & Rose

Haagea Fric

= Mammillaria Haw.

Haageocactus Backeb., nom. inval.

= Haageocereus Backeb.

Haageocereus Backeb.

List of Species in GRIN-CA.

X Haagespostoa G. D. Rowley

[= Haageocereus × Espostoa]

List of Species in GRIN-CA.

Hamatocactus Britton & Rose

=~ Thelocactus (K. Schum.) Britton & Rose

Hariota DC.

= Hatiora Britton & Rose

Hariota Adans.

= Rhipsalis Gaertn.

Harrisia Britton

List of Species in GRIN-CA.

Haseltonia Backeb.

= Cephalocereus Pfeiff.

Hatiora Britton & Rose

List of Species in GRIN-CA.

Heliabravoa Backeb.

= Polaskia Backeb.

Helianthocereus Backeb.

= Echinopsis Zucc.

Heliocereus (A. Berger) Britton & Rose

= Disocactus Lindl.

List of Species in GRIN-CA.

Hertrichocereus Backeb.

= Stenocereus (A. Berger) Riccob.

Heterolobivia Y. Ito, nom. inval.

= Echinopsis Zucc.

Hickenia Britton & Rose

= Parodia Speg.

Hildewintera F. Ritter

= Cleistocactus Lem.

Hildmannia Kreuz. & Buining

= Eriosyce Phil.

Homalocephala Britton & Rose

= Echinocactus Link & Otto

Horridocactus Backeb.

= Eriosyce Phil.

Hylocereus (A. Berger) Britton & Rose

List of Species in GRIN-CA.

Hymenorebulobivia Fric, nom. inval.

= Echinopsis Zucc.

Hymenorebutia Fric ex Buining

= Echinopsis Zucc.

Islaya Backeb.

= Eriosyce Phil.

Isolatocereus Backeb.

=~ Stenocereus (A. Berger) Riccob.

Isolatocereus (Backeb.) Backeb.

= Stenocereus (A. Berger) Riccob.

Jasminocereus Britton & Rose

List of Species in GRIN-CA.

Krainzia Backeb.

= Mammillaria Haw.

Lactomammillaria Fric, nom. inval.

= Mammillaria Haw.

Lasiocereus F. Ritter

=~ Haageocereus Backeb.

Lemaireocereus Britton & Rose

= Pachycereus (A. Berger) Britton & Rose

List of Species in GRIN-CA.

Leocereus Britton & Rose

List of Species in GRIN-CA.

Lepidocoryphantha Backeb.

= Coryphantha (Engelm.) Lem.

Lepismium Pfeiff.

List of Species in GRIN-CA.

Leptocereus (A. Berger) Britton & Rose

List of Species in GRIN-CA.

Leptocladia Buxb.

= Mammillaria Haw.

Leptocladodia Buxb.

= Mammillaria Haw.

Leuchtenbergia Hook.

List of Species in GRIN-CA.

Leucostele Backeb.

= Echinopsis Zucc.

Lobeira Alexander

= Disocactus Lindl.

List of Species in GRIN-CA.

Lobirebutia Fric, nom. inval.

= Echinopsis Zucc.

Lobivia Britton & Rose

= Echinopsis Zucc.

Lobiviopsis Fric, nom. inval.

= Echinopsis Zucc.

Lophocereus (A. Berger) Britton & Rose

= Pachycereus (A. Berger) Britton & Rose

List of Species in GRIN-CA.

Lophophora J. M. Coult.

List of Species in GRIN-CA.

Loxanthocereus Backeb.

= Cleistocactus Lem.

Lymanbensonia Kimnach

= Lepismium Pfeiff.

Machaerocereus Britton & Rose

= Stenocereus (A. Berger) Riccob.

Maierocactus E. C. Rost

= Astrophytum Lem.

Maihuenia (Phil. ex F. A. C. Weber) K. Schum.

List of Species in GRIN-CA.

Maihueniopsis Speg.

List of Species in GRIN-CA.

Malacocarpus Salm-Dyck

= Parodia Speg.

List of Species in GRIN-CA.

Mamillaria F. Rchb., orth. var.

= Mammillaria Haw.

Mamillopsis (E. Morren) F. A. C. Weber ex Britton & Rose

= Mammillaria Haw.

Mammariella Shafer, nom. inval.

= Mammillaria Haw.

Mammilaria Torr. & A. Gray, orth. var.

= Mammillaria Haw.

Mammillaria Haw.

List of Species in GRIN-CA.

Mammilloydia Buxb.

List of Species in GRIN-CA.

Marenopuntia Backeb.

= Opuntia Mill.

Marginatocereus (Backeb.) Backeb.

= Pachycereus (A. Berger) Britton & Rose

Maritimocereus Akers

= Cleistocactus Lem.

Marniera Backeb.

= Selenicereus (A. Berger) Britton & Rose

Marshallocereus Backeb.

= Stenocereus (A. Berger) Riccob.

Matucana Britton & Rose

List of Species in GRIN-CA.

Mediocactus Britton & Rose

= Selenicereus (A. Berger) Britton & Rose

Mediocereus Fric & Kreuz.

= Disocactus Lindl.

Mediolobivia Backeb.

= Rebutia K. Schum.

Mediorebutia Fric, nom. inval.

= Rebutia K. Schum.

Megalobivia Y. Ito, nom. inval.

= Echinopsis Zucc.

Melocactus Link & Otto

List of Species in GRIN-CA.

Mesechinopsis Y. Ito

= Echinopsis Zucc.

Meyenia Backeb.

= Weberbauerocereus Backeb.

Micranthocereus Backeb.

List of Species in GRIN-CA.

Micropuntia Daston

= Opuntia Mill.

Microspermia Fric

= Parodia Speg.

Mila Britton & Rose

List of Species in GRIN-CA.

Miqueliopuntia Fric ex F. Ritter

List of Species in GRIN-CA.

Mirabella F. Ritter

= Cereus Mill.

Mitrocereus (Backeb.) Backeb.

= Pachycereus (A. Berger) Britton & Rose

List of Species in GRIN-CA.

Monvillea Britton & Rose

= Acanthocereus (Engelm. ex A. Berger) Britton & Rose

List of Species in GRIN-CA.

Monvillea Britton & Rose, p.p. typo excl.

= Cereus Mill.

Morangaya G. D. Rowley

= Echinocereus Engelm.

Morawetzia Backeb.

= Oreocereus (A. Berger) Riccob.

X Myrtgerocactus Moran

[= Myrtillocactus × Bergerocactus]

List of Species in GRIN-CA.

Myrtillocactus Console

List of Species in GRIN-CA.

Myrtillocereus Fric & Kreuz.

= Myrtillocactus Console

Napina Fric, nom. inval.

= Neolloydia Britton & Rose

Navajoa Croizat

= Pediocactus Britton & Rose

List of Species in GRIN-CA.

Neoabbottia Britton & Rose

= Leptocereus (A. Berger) Britton & Rose

Neobesseya Britton & Rose

= Escobaria Britton & Rose

Neobinghamia Backeb.

= Haageocereus Backeb.

Neobuxbaumia Backeb.

List of Species in GRIN-CA.

Neocardenasia Backeb.

= Neoraimondia Britton & Rose

List of Species in GRIN-CA.

Neochilenia Backeb. ex Dolz

= Eriosyce Phil.

Neodawsonia Backeb.

= Cephalocereus Pfeiff.

Neoevansia W. T. Marshall

= Peniocereus (A. Berger) Britton & Rose

Neogomesia Castaneda

= Ariocarpus Scheidw.

List of Species in GRIN-CA.

Neogomezia Buxb., orth. var.

= Ariocarpus Scheidw.

Neogymnantha Y. Ito

= Rebutia K. Schum.

Neohickenia Fric

= Parodia Speg.

Neolemaireocereus Backeb.

= Stenocereus (A. Berger) Riccob.

Neolloydia Britton & Rose

List of Species in GRIN-CA.

Neolobivia Y. Ito

= Echinopsis Zucc.

Neomammillaria Britton & Rose

= Mammillaria Haw.

List of Species in GRIN-CA.

Neoporteria Britton & Rose

= Eriosyce Phil.

List of Species in GRIN-CA.

Neoporteria Backeb.

= Eriosyce Phil.

Neoraimondia Britton & Rose

List of Species in GRIN-CA.

Neotanahashia Y. Ito

= Eriosyce Phil.

Neowerdermannia Fric

List of Species in GRIN-CA.

Nichelia Bullock, nom. inval.

= Eriosyce Phil.

Nopalea Salm-Dyck

= Opuntia Mill.

List of Species in GRIN-CA.

Nopalxochia Britton & Rose

= Disocactus Lindl.

List of Species in GRIN-CA.

Normanbokea Kladiwa & Buxb.

= Turbinicarpus (Backeb.) Buxb. & Backeb.

List of Species in GRIN-CA.

Notocactus (K. Schum.) Fric

= Parodia Speg.

Nyctocereus (A. Berger) Britton & Rose

= Peniocereus (A. Berger) Britton & Rose

List of Species in GRIN-CA.

Obregonia Fric

List of Species in GRIN-CA.

Oehmea Buxb.

= Mammillaria Haw.

Opuntia Mill.

List of Species in GRIN-CA.

Opuntiopsis Knebel, nom. inval.

= Schlumbergera Lem.

Oreocereus (A. Berger) Riccob.

List of Species in GRIN-CA.

Oroya Britton & Rose

List of Species in GRIN-CA.

Ortegocactus Alexander

List of Species in GRIN-CA.

X Pacherocactus G. D. Rowley

[= Pachycereus × Bergerocactus]

List of Species in GRIN-CA.

Pachycereus (A. Berger) Britton & Rose

List of Species in GRIN-CA.

Parodia Speg.

List of Species in GRIN-CA.

Parviopuntia Soulaire & Marn.-Lap., nom. inval.

= Opuntia Mill.

Pediocactus Britton & Rose

List of Species in GRIN-CA.

Peirescia Zucc., orth. var.

= Pereskia Mill.

Peireskia Steud., orth. var.

= Pereskia Mill.

Peireskiopsis Vaupel, orth. var.

= Pereskiopsis Britton & Rose

Pelecyphora C. Ehrenb.

List of Species in GRIN-CA.

Peniocereus (A. Berger) Britton & Rose

List of Species in GRIN-CA.

Perescia Lem., orth. var.

= Pereskia Mill.

Pereskia Mill.

List of Species in GRIN-CA.

Pereskiopsis Britton & Rose

List of Species in GRIN-CA.

Peruvocereus Akers

= Haageocereus Backeb.

Pfeiffera Salm-Dyck

= Lepismium Pfeiff.

List of Species in GRIN-CA.

Phellosperma Britton & Rose

= Mammillaria Haw.

Philippicereus Backeb.

= Eulychnia Phil.

Phyllarthus Neck. ex M. Gomez, nom. inval.

= Opuntia Mill.

Phyllocactus Link

= Epiphyllum Haw.

Phyllocereus Miq.

= Epiphyllum Haw.

Pierrebraunia Esteves

List of Species in GRIN-CA.

Pilocanthus B. W. Benson & Backeb.

= Pediocactus Britton & Rose

Pilocereus K. Schum.

= Pilosocereus Byles & G. D. Rowley

List of Species in GRIN-CA.

Pilocereus Lem.

= Cephalocereus Pfeiff.

List of Species in GRIN-CA.

Pilocopiapoa F. Ritter

= Copiapoa Britton & Rose

Pilopsis Y. Ito, nom. inval.

= Echinopsis Zucc.

Pilosocereus Byles & G. D. Rowley

List of Species in GRIN-CA.

Piptanthocereus (A. Berger) Riccob.

= Cereus Mill.

Polaskia Backeb.

List of Species in GRIN-CA.

Porfiria Boed.

= Mammillaria Haw.

Praecereus Buxb.

= Cereus Mill.

List of Species in GRIN-CA.

Pseudoacanthocereus F. Ritter

List of Species in GRIN-CA.

Pseudoechinocereus Buining, nom. inval.

= Cleistocactus Lem.

Pseudoespostoa Backeb.

= Espostoa Britton & Rose

Pseudolobivia (Backeb.) Backeb.

= Echinopsis Zucc.

Pseudomammillaria Buxb.

= Mammillaria Haw.

Pseudomitrocereus Bravo & Buxb.

= Neobuxbaumia Backeb.

Pseudonopalxochia Backeb.

= Disocactus Lindl.

Pseudopilocereus Buxb.

= Pilosocereus Byles & G. D. Rowley

Pseudorhipsalis Britton & Rose

List of Species in GRIN-CA.

Pseudosolisia Y. Ito, nom. inval.

= Neolloydia Britton & Rose

Pseudotephrocactus Fric

= Opuntia Mill.

Pseudozygocactus Backeb.

= Hatiora Britton & Rose

Pterocactus K. Schum.

List of Species in GRIN-CA.

Pterocereus T. MacDoug. & Miranda

= Pachycereus (A. Berger) Britton & Rose

Puna R. Kiesling

= Maihueniopsis Speg.

List of Species in GRIN-CA.

Pygmaeocereus H. Johnson & Backeb.

List of Species in GRIN-CA.

Pyrrhocactus (A. Berger) A. W. Hill

=~ Eriosyce Phil.

List of Species in GRIN-CA.

Quiabentia Britton & Rose

List of Species in GRIN-CA.

Rapicactus Buxb. & Oehme

= Turbinicarpus (Backeb.) Buxb. & Backeb.

List of Species in GRIN-CA.

Rathbunia Britton & Rose

= Stenocereus (A. Berger) Riccob.

List of Species in GRIN-CA.

Rauhocereus Backeb.

List of Species in GRIN-CA.

Rebulobivia Fric, nom. inval.

= Echinopsis Zucc.

Rebutia K. Schum.

List of Species in GRIN-CA.

Reicheocactus Backeb.

= Rebutia K. Schum.

Rhipsalidopsis Britton & Rose

= Hatiora Britton & Rose

List of Species in GRIN-CA.

Rhipsalis Gaertn.

List of Species in GRIN-CA.

Rhodocactus (A. Berger) F. M. Knuth

= Pereskia Mill.

Ritterocereus Backeb.

= Stenocereus (A. Berger) Riccob.

Rodentiophila F. Ritter ex Backeb., nom. inval.

= Eriosyce Phil.

Rooksbya Backeb.

= Neobuxbaumia Backeb.

Roseia Fric, nom. inval.

= Coryphantha (Engelm.) Lem.

Roseocactus A. Berger

= Ariocarpus Scheidw.

List of Species in GRIN-CA.

Roseocereus Backeb.

= Harrisia Britton

Salmiopuntia Fric, nom. inval.

= Opuntia Mill.

Salpingolobivia Y. Ito

= Echinopsis Zucc.

Samaipaticereus Cardenas

List of Species in GRIN-CA.

Schlumbergera Lem.

List of Species in GRIN-CA.

Sclerocactus Britton & Rose

List of Species in GRIN-CA.

Scoparebutia Fric & Kreuz. ex Buining

= Echinopsis Zucc.

Selenicereus (A. Berger) Britton & Rose

List of Species in GRIN-CA.

Sericocactus Y. Ito

= Parodia Speg.

Seticereus Backeb.

= Cleistocactus Lem.

Seticleistocactus Backeb.

= Cleistocactus Lem.

Setiechinopsis (Backeb.) de Haas

= Echinopsis Zucc.

Setirebutia Fric & Kreuz., nom. inval.

= Rebutia K. Schum.

Siccobaccatus P. J. Braun & Esteves

=~ Micranthocereus Backeb.

Soehrensia Backeb.

= Echinopsis Zucc.

Solisia Britton & Rose

= Mammillaria Haw.

List of Species in GRIN-CA.

Spegazzinia Backeb.

= Rebutia K. Schum.

Spinicalycium Fric, nom. inval.

= Acanthocalycium Backeb.

Stenocactus (K. Schum.) A. W. Hill

List of Species in GRIN-CA.

Stenocereus (A. Berger) Riccob.

List of Species in GRIN-CA.

Stephanocereus A. Berger

List of Species in GRIN-CA.

Stetsonia Britton & Rose

List of Species in GRIN-CA.

Stromatocactus Karw. ex Rumpler, nom. inval.

= Ariocarpus Scheidw.

Strombocactus Britton & Rose

List of Species in GRIN-CA.

Strophocactus Britton & Rose

= Selenicereus (A. Berger) Britton & Rose

Strophocereus Fric & Kreuz.

= Selenicereus (A. Berger) Britton & Rose

Submatucana Backeb.

= Oreocereus (A. Berger) Riccob.

Subpilocereus Backeb.

= Cereus Mill.

Subulatopuntia Fric & Schelle

= Opuntia Mill.

Sulcorebutia Backeb.

= Rebutia K. Schum.

Tacinga Britton & Rose

List of Species in GRIN-CA.

Tephrocactus Lem.

List of Species in GRIN-CA.

Thelocactus (K. Schum.) Britton & Rose

List of Species in GRIN-CA.

Thelocephala Y. Ito

= Eriosyce Phil.

Thelomastus Fric, nom. inval.

= Thelocactus (K. Schum.) Britton & Rose

Thrixanthocereus Backeb.

= Espostoa Britton & Rose

Toumeya Britton & Rose

= Sclerocactus Britton & Rose

List of Species in GRIN-CA.

Trichocereus (A. Berger) Riccob.

= Echinopsis Zucc.

List of Species in GRIN-CA.

Trochilocactus Linding.

= Disocactus Lindl.

Tunas Lunell

= Opuntia Mill.

Tunilla D. R. Hunt & Iliff

List of Species in GRIN-CA.

Turbinicarpus (Backeb.) Buxb. & Backeb.

List of Species in GRIN-CA.

Uebelmannia Buining

List of Species in GRIN-CA.

Unident-Cactaceae

List of Species in GRIN-CA.

Utahia Britton & Rose

= Pediocactus Britton & Rose

List of Species in GRIN-CA.

Vatricania Backeb.

= Espostoa Britton & Rose

Weberbauerocereus Backeb.

List of Species in GRIN-CA.

Weberiopuntia Fric

= Opuntia Mill.

Weberocereus Britton & Rose

List of Species in GRIN-CA.

Weingartia Werderm.

= Rebutia K. Schum.

List of Species in GRIN-CA.

Werckleocereus Britton & Rose

= Weberocereus Britton & Rose

Wigginsia D. M. Porter

= Parodia Speg.

Wilcoxia Britton & Rose

=~ Echinocereus Engelm.

List of Species in GRIN-CA.

Wilmattea Britton & Rose

= Hylocereus (A. Berger) Britton & Rose

Winteria F. Ritter

= Cleistocactus Lem.

Winterocereus Backeb.

= Cleistocactus Lem.

Wittia K. Schum.

= Disocactus Lindl.

Wittiocactus Rauschert

= Disocactus Lindl.

Yungasocereus F. Ritter

List of Species in GRIN-CA.

Zehntnerella Britton & Rose

= Facheiroa Britton & Rose

Zygocactus K. Schum.

= Schlumbergera Lem.

List of Species in GRIN-CA.

Zygocereus Fric & Kreuz.

= Schlumbergera Lem.