Cereus celsianus (Lem. ex Salm-Dyck) A.Berger species synonym

Oreocereus celsianus var. ritteri Krainz variety synonym

Oreocereus horridispinus F.Ritter & Krainz species synonym

Pilocereus brunnowii F.Haage ex Nichols. species synonym

Pilocereus bruennowii J.N.Haage ex C.F.Först. & Rümpler species synonym

Pilocereus brunnowii F.Haage species homotypic synonym

Pilocereus kanzleri J.N.Haage species homotypic synonym

Arequipa rettigii (Quehl) Oehme species synonym

Cereus bruennowii (J.N.Haage ex C.F.Först. & Rümpler) Mottet species synonym

Echinopsis celsiana (Salm-Dyck) Anceschi & Magli species synonym

Echinopsis trollii (Kupper) Anceschi & Magli species synonym

Pilocereus brunnowianus Moerder species synonym

Oreocereus celsianus subsp. variicolor (Backeb.) Krainz subspecies synonym

Morawetzia varicolor Kní e species synonym

Oreocereus celsianus subsp. ritteri (Cullmann) Krainz subspecies synonym

Oreocereus celsianus var. bruennowii (Haage ex Rümpler) Britton & Rose, 1916 variety synonym

Cereus fossulatus (Labour.) Mottet species synonym

Oreocereus trollii (Kupper) Backeb. species accepted

Echinopsis leucotricha (Phil.) Anceschi & Magli species synonym

Oreocereus celsianus subsp. fossulatus (Backeb.) Krainz subspecies synonym

Oreocereus celsianus subsp. trollii (Kupper) Krainz subspecies synonym

Cleistocactus fossulatus var. rubrispinus (F.Ritter) Mottram variety synonym

Pilocereus foveolatus Labour. ex Lem. species synonym

Morawetzia variicolor Kníze species synonym

Cleistocactus celsianus (Cels ex Salm-Dyck) F.A.C.Weber species synonym

Pilocereus fossulatus Labour. species synonym

Pilocereus celsianus var. williamsii (Lem.) K.Schum. variety synonym

Pilocereus celsianus var. lanuginosior Salm-Dyck variety homotypic synonym

Pilocereus celsianus var. gracilior K.Schum. variety synonym

Pilocereus celsianus var. foveolatus (Labour. ex Lem.) Schelle variety synonym

Pilocereus celsianus var. bruennowii (J.N.Haage ex C.F.Först. & Rümpler) K.Schum. variety synonym

Pilocereus celsianus f. auratus K.Schum. form synonym

Echinocactus leucotrichus Phil. species heterotypic synonym

Echinocactus hempelianus K.Schum. species synonym

Borzicactus trollii (Kupper) Kimnach species synonym

Borzicactus leucotrichus (Phil.) Kimnach species synonym

Borzicactus hendriksenianus (Backeb.) Kimnach species synonym

Borzicactus hempelianus var. weingartianus (Backeb.) Donald variety synonym

Borzicactus hempelianus var. spinosissimus (F.Ritter) Donald variety synonym

Borzicactus hempelianus var. rettigii (Quehl) Donald variety synonym

Borzicactus fossulatus (Labour.) Kimnach species synonym

Borzicactus celsianus var. trollii (Kupper) G.D.Rowley variety synonym

Pilocereus williamsii Lem. species heterotypic synonym

Oreocereus variicolor var. tacnaensis Backeb. variety synonym

Oreocereus trollii var. tenuior Backeb. variety synonym

Oreocereus trollii var. crassiniveus (Backeb.) Backeb. variety synonym

Oreocereus ×tacnaensis (Backeb.) F.Ritter species accepted

Oreocereus ritteri Cullmann species synonym

Oreocereus rettigii (Quehl) Buxb. species synonym

Oreocereus pseudofossulatus D.R.Hunt species accepted

Oreocereus neocelsianus var. villosissimus Y.Itô variety synonym

Oreocereus neocelsianus var. ruficeps Y.Itô variety synonym

Oreocereus maximus Backeb. species synonym

Oreocereus leucotrichus (Phil.) Wagenkn. species accepted

Oreocereus knizei T.Hewitt & Donald species synonym

Oreocereus irigoyenii Fric species synonym

Oreocereus hendriksenianus f. spinosissimus (Rauh & Backeb.) Krainz form synonym

Oreocereus hendriksenianus var. densilanatus Rauh & Backeb. variety synonym

Oreocereus hempelianus (Gürke) D.R.Hunt species accepted

Oreocereus fossulatus var. rubrispinus F.Ritter variety synonym

Oreocereus fossulatus var. lanuginosior (Salm-Dyck ex K.Schum.) W.T.Marshall variety synonym

Oreocereus fossulatus var. gracilior (K.Schum.) Backeb. variety synonym

Oreocereus crassiniveus Backeb. species synonym

Oreocereus celsianus var. lanuginosior Salm-Dyck ex Riccob. variety synonym

Oreocereus celsianus var. gracilior (K.Schum.) Backeb. & F.M.Knuth variety synonym

Oreocereus celsianus var. foveolatus (Labour. ex Lem.) Borg variety synonym

Oreocereus celsianus var. bruennowii (J.N.Haage ex C.F.Först. & Rümpler) Borg variety synonym

Oreocereus bruennowii (Britton & Rose) Backeb. species synonym

Oreocereus australis (F.Ritter) A.E.Hoffm. species accepted

Arequipiopsis weingartiana (Backeb.) Kreuz. & Buining species synonym

Arequipiopsis soehrensii Kreuz. species synonym

Arequipiopsis rettigii (Quehl) Kreuz. & Buining species synonym

Arequipiopsis hempeliana (Gürke) Kreuz. & Buining species synonym

Pilocereus trollii Kupper species synonym

Echinocactus rettigii Quehl species synonym

Cleistocactus fossulatus Mottram species synonym

Pilocereus celsianus Lem. ex Salm-Dyck species synonym

Borzicactus hempelianus (Gürke) Donald species synonym

Borzicactus celsianus (Lem. ex Salm-Dyck) Kimnach species synonym

Oreocereus variicolor Backeb. species accepted

Oreocereus trollii Kupper species synonym

Oreocereus neocelsianus Backeb. species synonym

Oreocereus hendriksenianus (Backeb.) Backeb. species synonym

Oreocereus hendriksenianus var. hendriksenianus variety synonym

Oreocereus fossulatus (Labour.) Backeb. species synonym

Oreocereus doelzianus (Backeb.) Borg species accepted

Oreocereus celsianus (Lem. ex Salm-Dyck) Riccob. species accepted

Pilocereus foveolatus Labour. species homotypic synonym

Pilocereus kanzleri J.N.Haage ex C.F.Först. & Rümpler species synonym

Cereus trollii Kupper species synonym

Echinopsis hempeliana Gürke species synonym

Cereus hendriksenianus Backeb. species synonym

Cereus fossulatus (Labour.) Backeb. species synonym

Arequipa weingartiana Backeb. species synonym

Arequipa variicolor (Backeb.) Backeb. species synonym

Arequipa spinosissima F.Ritter species synonym

Arequipa soehrensii Backeb. species synonym

Arequipa rettigii var. erectocylindrica (Rauh & Backeb.) Krainz variety synonym

Arequipa rettigii var. borealis F.Ritter variety synonym

Arequipa neoleucotricha Y.Itô species synonym

Arequipa leucotricha (Phil.) Britton & Rose species synonym

Arequipa hempeliana (Gürke) Oehme species synonym

Arequipa erectocylindrica Rauh & Backeb. species synonym

Arequipa australis F.Ritter species synonym

Cereus celsianus (Cels) Orcutt species synonym

Arequipa weingartiana var. carminanthema Backeb. variety synonym

Echinocactus leucotrichus Söhrens species heterotypic synonym

Pilocereus celsianus var. lanuginosior Salm-Dyck ex K.Schum. variety synonym

Oreocereus celsianus var. varicolor (Backeb.) Krainz variety synonym

Arequipa clavata (Söhrens) Borg species heterotypic synonym

Pilocereus fossulatus Croucher species synonym

Pilocereus bruennowii J.N.Haage species homotypic synonym

Oreocereus celsianus var. lanuginosior Salm-Dyck variety homotypic synonym

Pilocereus celsianus Lem. species homotypic synonym

Oreocereus hendriksenianus var. spinosissimus Rauh & Backeb. variety synonym

Oreocereus hendriksenianus f. densilanatus (Rauh & Backeb.) Krainz form synonym