The Plant List — A working list for all plant species

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1358 plant name records match your search criteria Cereus. The results are below.

The names found have these generic epithets:

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See "Status", "Confidence level", "Source" for definitions.

Name Status Confi­dence level Source Date supplied
Cereus abnormis (Willd.) Sweet Synonym L WCSP (in review)
Cereus aboriginum (Small) Little Unresolved L WCSP (in review)
Cereus acanthosphaera Weing. [Unplaced] Unresolved L WCSP (in review)
Cereus acanthurus Vaupel Synonym M WCSP (in review)
Cereus acidus (Phil.) K.Schum. Synonym L WCSP (in review)
Cereus acifer Otto ex Salm-Dyck Synonym M WCSP (in review)
Cereus acinaciformis Steud. Synonym M WCSP (in review)
Cereus aciniformis Pfeiff. Synonym M WCSP (in review)
Cereus × ackermannii Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus acranthus Vaupel Unresolved L WCSP (in review)
Cereus acromelas Pfeiff. Synonym L WCSP (in review)
Cereus aculeatus C.F. Först. Unresolved L TRO
Cereus acutangulus Pfeiff. Unresolved L WCSP (in review)
Cereus adelmarii (Rizzini & A.Mattos) P.J.Braun Synonym M WCSP (in review)
Cereus adscendens Gürke Synonym M WCSP (in review)
Cereus adustus (Engelm.) Engelm. Synonym M WCSP (in review)
Cereus adustus var. radians (Engelm.) Engelm. Synonym L WCSP (in review)
Cereus aethiops Haw. Accepted M WCSP (in review)
Cereus aethiops var. landbeckii (Phil.) Backeb. Synonym L WCSP (in review)
Cereus aethiops var. melanacanthus (K.Schum.) Backeb. Synonym L WCSP (in review)
Cereus affinis Pfeiff. Synonym L WCSP (in review)
Cereus aggregatus Coult. Unresolved L WCSP (in review)
Cereus alacriportanus Pfeiff. Unresolved L WCSP (in review)
Cereus alacriportanus var. bageanus (F.Ritter) P.J.Braun Unresolved L WCSP (in review)
Cereus alamosensis Coult. [Unplaced] Unresolved L WCSP (in review)
Cereus alatus (Sw.) DC. Unresolved L WCSP (in review)
Cereus albertinii Fobe Unresolved L TRO
Cereus albicaulis (Britton & Rose) Luetzelb. Accepted M WCSP (in review)
Cereus albiflorus K. Schum. Unresolved L TRO
Cereus albisetosus Haw. [Unplaced] Unresolved L WCSP (in review)
Cereus albispinus Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus albispinus var. major Monv. ex Labour. Synonym L WCSP (in review)
Cereus alensis (Weber) Vaupel Unresolved L WCSP (in review)
Cereus alticostatus (F.Ritter) P.J.Braun Synonym M WCSP (in review)
Cereus amazonicus K.Schum. ex Vaupel Unresolved L WCSP (in review)
Cereus amazonicus K. Schum. Accepted M TRO
Cereus ambiguus (Bonpl.) DC. [Unplaced] Unresolved L WCSP (in review)
Cereus ambiguus var. strictior Weing. Synonym L WCSP (in review)
Cereus amblyogonus Don Unresolved L TRO
Cereus amecaensis Heese Synonym M WCSP (in review)
Cereus amoena (A.Dietr.) Hemsl. Synonym M WCSP (in review)
Cereus amoenus (A. Dietr.) Hemsl. Synonym M TRO
Cereus andalgalensis F.A.C.Weber ex K.Schum. Synonym M WCSP (in review)
Cereus andryanus K. Schum. Unresolved L TRO
Cereus anguiniformis hort. Synonym M TRO
Cereus anguinus Gürke Synonym M WCSP (in review)
Cereus angulosus Stieber ex Schumann Unresolved L TRO
Cereus anisacanthus DC. [Unplaced] Unresolved L WCSP (in review)
Cereus anisacanthus var. ortholophus DC. Synonym L WCSP (in review)
Cereus anisacanthus var. subspiralis DC. Synonym L WCSP (in review)
Cereus anisitsii K.Schum. Synonym L WCSP (in review)
Cereus anizogonus Salm-Dyck Unresolved L WCSP (in review)
Cereus anomalus K. Schum. Unresolved L TRO
Cereus anquiniformis Weing. Unresolved L TRO
Cereus antoinii Pfeiff. Synonym M WCSP (in review)
Cereus apiciflorus Vaupel Synonym M WCSP (in review)
Cereus apoloensis (Cárdenas) P.J.Braun & Esteves Accepted M WCSP (in review)
Cereus aquicaulensis Pfeiff. Unresolved L WCSP (in review)
Cereus arachnoides Lawr. [Unplaced] Unresolved L WCSP (in review)
Cereus aragonii F.A.C.Weber Synonym M WCSP (in review)
Cereus aragonii var. palmatus F.A.C.Weber Synonym L WCSP (in review)
Cereus arboreus (Britton & Rose) Vaupel Synonym L WCSP (in review)
Cereus arcuatus Zucc. [Unplaced] Unresolved L WCSP (in review)
Cereus arendtii Hildm. & Mathes. Unresolved L WCSP (in review)
Cereus areolatus Muehlenpf. Synonym M TRO
Cereus arequipensis Meyen Unresolved L WCSP (in review)
Cereus argentinensis Britton & Rose Unresolved L WCSP (in review)
Cereus armatus Otto ex Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus arrabidae Steud. Unresolved L WCSP (in review)
Cereus arrabidae (Lem.) A. Berger Synonym M TRO
Cereus arrigens Monv. ex Labour. Unresolved L TRO
Cereus articulatus Pfeiff. Unresolved L WCSP (in review)
Cereus assurgens C.Wright ex Griseb. Unresolved L WCSP (in review)
Cereus atacamensis Phil. Synonym M WCSP (in review)
Cereus atropurpureus Hocay. Unresolved L WCSP (in review)
Cereus atrovirens C.F. Först. Unresolved L TRO
Cereus atroviridis Backeb. Synonym M WCSP (in review)
Cereus aurantiacus C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Cereus aurantiacus var. superbus Haage ex Labour. Synonym L WCSP (in review)
Cereus auratus Labour. [Unplaced] Unresolved L WCSP (in review)
Cereus auratus f. intermedius Regel & E.Klein bis Synonym L WCSP (in review)
Cereus auratus f. mollissimus Regel & E.Klein bis Synonym L WCSP (in review)
Cereus auratus f. pilosus Regel & E.Klein bis Synonym L WCSP (in review)
Cereus aureus Salm-Dyck ex DC. [Unplaced] Unresolved L WCSP (in review)
Cereus aureus (Meyen) Meyen [Illegitimate] Synonym M WCSP (in review)
Cereus aureus (Meyen) K.Schum. [Illegitimate] Synonym M WCSP (in review)
Cereus aureus var. pallidior Salm-Dyck Synonym L WCSP (in review)
Cereus aurivillus K.Schum. Synonym M WCSP (in review)
Cereus aurora Rydb. Unresolved L TRO
Cereus azureus Parm. ex Pfeiff. Synonym M WCSP (in review)
Cereus azureus var. seidelii (Lehm.) Dams Synonym L WCSP (in review)
Cereus babosus F.A.C. Weber Unresolved L TRO
Cereus baccifer Hook. Unresolved L TRO
Cereus bacciferus (J.S.Muell.) Hemsl. Synonym M WCSP (in review)
Cereus backebergii Weing. Synonym M WCSP (in review)
Cereus bahamensis (Britton) Vaupel Unresolved L WCSP (in review)
Cereus bahiensis (Britton & Rose) Luetzelb. Unresolved L WCSP (in review)
Cereus bajanensis Werckle Unresolved L TRO
Cereus bakeri (Britton & Rose) Vaupel Synonym L WCSP (in review)
Cereus balansae K.Schum. Unresolved L WCSP (in review)
Cereus ballivianii (Cárdenas) P.J.Braun & Esteves Accepted M WCSP (in review)
Cereus barbadensis A.Berger Synonym M WCSP (in review)
Cereus barbatus J.C.Wendl. ex Salm-Dyck Unresolved L WCSP (in review)
Cereus baumannii Lem. Synonym L WCSP (in review)
Cereus baumannii var. colubrinus K.Schum. Synonym L WCSP (in review)
Cereus baumannii var. flavispinus Salm-Dyck ex K.Schum. Synonym L WCSP (in review)
Cereus baumannii var. smaragdiflorus (F.A.C.Weber) K.Schum. Synonym L WCSP (in review)
Cereus bavosus A.Weber ex K.Schum. [Unplaced] Unresolved L WCSP (in review)
Cereus baxaniensis Karw. ex Pfeiff. Synonym M WCSP (in review)
Cereus baxaniensis f. pellucidus (Otto) Schelle Synonym L WCSP (in review)
Cereus baxaniensis var. ramosus Salm-Dyck ex Walp. Synonym L WCSP (in review)
Cereus × beckmannii Weing. Unresolved L WCSP (in review)
Cereus belieuli K. Schum. Unresolved L TRO
Cereus beneckei Ehrenb. Unresolved L WCSP (in review)
Cereus beneckei var. farinosus (Haage ex Salm-Dyck) Salm-Dyck Unresolved L WCSP (in review)
Cereus bergerianus Vaupel Synonym M WCSP (in review)
Cereus berlandieri Engelm. Synonym M WCSP (in review)
Cereus bertinii E.Cels ex Herincq. Synonym M WCSP (in review)
Cereus beysiegelii Weing. [Unplaced] Unresolved L WCSP (in review)
Cereus bicolor Rizzini & A.Mattos Synonym L WCSP (in review)
Cereus biformis Pfeiff. [Invalid] Synonym M WCSP (in review)
Cereus biformis Lindl. Synonym M WCSP (in review)
Cereus bifrons Haw. Unresolved L WCSP (in review)
Cereus bigelovii Engelm. Unresolved L WCSP (in review)
Cereus biolleyi A.A.Weber ex K.Schum. Unresolved L WCSP (in review)
Cereus blanckii Poselg. Unresolved L WCSP (in review)
Cereus blossfeldiorum (Werderm.) Backeb. Synonym M WCSP (in review)
Cereus boeckmannii Otto ex Salm-Dyck Synonym M WCSP (in review)
Cereus bolivianus F.A.C. Weber Unresolved L TRO
Cereus bonariensis Sweet [Unplaced] Unresolved L WCSP (in review)
Cereus bonariensis C.F.Först. Synonym L WCSP (in review)
Cereus bonplandii Parm. ex Pfeiff. Unresolved L WCSP (in review)
Cereus brachiatus Galeotti ex Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus brachypetalus Vaupel Synonym M WCSP (in review)
Cereus bradtianus Coult. Synonym M WCSP (in review)
Cereus bradypus (Lehm.) Steud. Synonym M WCSP (in review)
Cereus brandegeei Coult. Synonym M WCSP (in review)
Cereus brandii Salm-Dyck Synonym L WCSP (in review)
Cereus brasiliensis (Britton & Rose) Luetzelb. Unresolved L WCSP (in review)
Cereus braunii Cárdenas Accepted M WCSP (in review)
Cereus breviflorus K. Schum. Unresolved L TRO
Cereus brevispinulus Salm-Dyck Unresolved L WCSP (in review)
Cereus brevispinus A.Berger [Unplaced] Unresolved L WCSP (in review)
Cereus brevistylus K.Schum. ex Vaupel Synonym M WCSP (in review)
Cereus bridgesii Salm-Dyck Synonym M WCSP (in review)
Cereus bridgesii var. brevispinus K.Schum. Synonym L WCSP (in review)
Cereus bridgesii f. brevispinus (K.Schum.) Schelle Synonym L WCSP (in review)
Cereus bridgesii var. lageniformis (C.F.Först.) K.Schum. Synonym L WCSP (in review)
Cereus bridgesii f. lageniformis (C.F.Först.) Schelle Synonym L WCSP (in review)
Cereus bridgesii var. longispinus C.A.Maass Synonym L WCSP (in review)
Cereus brittonianus Werderm. Synonym M WCSP (in review)
Cereus brookii (Britton) Vaupel Unresolved L WCSP (in review)
Cereus brooksianus (Britton & Rose) Vaupel Synonym M WCSP (in review)
Cereus caesius Salm-Dyck ex Pfeiff. Accepted M WCSP (in review)
Cereus caespitosus Engelm. Synonym M WCSP (in review)
Cereus caespitosus var. castaneus Engelm. Synonym L WCSP (in review)
Cereus caespitosus var. major Engelm. Synonym L WCSP (in review)
Cereus caespitosus var. minor Engelm. Synonym L WCSP (in review)
Cereus calcaratus A.Weber Unresolved L WCSP (in review)
Cereus calcirupicola (F.Ritter) Rizzini Synonym M WCSP (in review)
Cereus calcirupicola var. albicans Rizzini Synonym L WCSP (in review)
Cereus calcirupicola var. cabralensis (F.Ritter) P.J.Braun Synonym L WCSP (in review)
Cereus calcirupicola subsp. cabralensis (F.Ritter) P.J.Braun & Esteves Synonym L WCSP (in review)
Cereus calcirupicola var. cipoensis (F.Ritter) P.J.Braun Synonym L WCSP (in review)
Cereus calcirupicola subsp. cipoensis (F.Ritter) P.J.Braun & Esteves Synonym L WCSP (in review)
Cereus californicus Torr. & A.Gray Synonym L WCSP (in review)
Cereus callianthus (Fuaux & Backeb.) P.J.Braun & Esteves Synonym L WCSP (in review)
Cereus callicanthus (Rümpler) Woodson Synonym M WCSP (in review)
Cereus callicoche Galeotti ex Scheidw. Unresolved L WCSP (in review)
Cereus calvescens DC. Synonym L WCSP (in review)
Cereus calvus Engelm. ex J.M.Coult. Synonym M WCSP (in review)
Cereus campinensis (Backeb. & Voll) P.J.Braun Synonym M WCSP (in review)
Cereus campinensis var. piedadensis (F.Ritter) P.J.Braun Synonym L WCSP (in review)
Cereus campinensis subsp. piedadensis (F.Ritter) P.J.Braun & Esteves Synonym L WCSP (in review)
Cereus candelabrius Pfeiff. Synonym L WCSP (in review)
Cereus candelabrum K.Schum. [Illegitimate] Synonym M WCSP (in review)
Cereus candelaris Meyen Synonym M WCSP (in review)
Cereus candicans Gillies ex Salm-Dyck Synonym M WCSP (in review)
Cereus candicans var. courantii K.Schum. Synonym L WCSP (in review)
Cereus candicans f. courantii (K.Schum.) Schelle Synonym L WCSP (in review)
Cereus candicans var. dumesnilianus Zeiss. Synonym L WCSP (in review)
Cereus candicans var. gladiatus (Lem.) K.Schum. Synonym L WCSP (in review)
Cereus candicans f. gladiatus (Lem.) Schelle Synonym L WCSP (in review)
Cereus candicans var. robustior Salm-Dyck Synonym L WCSP (in review)
Cereus candicans f. robustior (Salm-Dyck) Schelle Synonym L WCSP (in review)
Cereus candicans var. spinosior Salm-Dyck ex Walp. Synonym L WCSP (in review)
Cereus candicans var. tenuispinus Pfeiff. Synonym L WCSP (in review)
Cereus caracore Gosselin Unresolved L TRO
Cereus caripensis (Kunth) DC. Synonym M WCSP (in review)
Cereus cartwrightianus (Britton & Rose) Werderm. Unresolved L WCSP (in review)
Cereus castaneus (Phil.) K.Schum. Synonym M WCSP (in review)
Cereus catamarcensis F.A.C. Weber Unresolved L TRO
Cereus catingicola Gürke Unresolved L WCSP (in review)
Cereus cauchinii Rebut Unresolved L TRO
Cereus caudatus Gillies ex Sweet Synonym L WCSP (in review)
Cereus cavendishii Monv. Synonym M WCSP (in review)
Cereus cavendishii Monv. ex Salm-Dyck Unresolved L WCSP (in review)
Cereus celsianus (Cels) Orcutt Unresolved L WCSP (in review)
Cereus celsianus (Lem. ex Salm-Dyck) A. Berger Synonym M TRO
Cereus cephalomacrostibas Werderm. & Backeb. Synonym M WCSP (in review)
Cereus chachapoyensis Ochoa & Backeb. Synonym M WCSP (in review)
Cereus chacoanus Vaupel Unresolved L WCSP (in review)
Cereus chalibaeus Salm-Dyck Synonym M WCSP (in review)
Cereus chalybaeus Otto ex Walp. Synonym L WCSP (in review)
Cereus chalybaeus C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Cereus chende Gosselin Unresolved L WCSP (in review)
Cereus chichipe Gosselin Unresolved L WCSP (in review)
Cereus childsii Blanc Accepted M WCSP (in review)
Cereus chilensis Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus chilensis var. acidus Miers Synonym L WCSP (in review)
Cereus chilensis var. breviflorus Hirscht Synonym L WCSP (in review)
Cereus chilensis var. brevispinulus Salm-Dyck ex Walp. Synonym L WCSP (in review)
Cereus chilensis var. fulvibarbis Salm-Dyck ex Walp. Synonym L WCSP (in review)
Cereus chilensis var. funkianus K.Schum. Synonym L WCSP (in review)
Cereus chilensis var. nigripilis Hirscht Synonym L WCSP (in review)
Cereus chilensis var. polygonus K.Schum. Synonym L WCSP (in review)
Cereus chilensis var. spinosior Salm-Dyck ex C.F.Först Synonym L WCSP (in review)
Cereus chiloensis (Colla) DC. Synonym L WCSP (in review)
Cereus chiloensis var. brevispinulus Salm-Dyck Synonym L WCSP (in review)
Cereus chiloensis var. eburneus (Phil. ex K.Schum.) K.Schum. Synonym L WCSP (in review)
Cereus chiloensis f. eburneus (Phil. ex K.Schum.) Schelle Synonym L WCSP (in review)
Cereus chiloensis var. flavescens Salm-Dyck Synonym L WCSP (in review)
Cereus chiloensis var. fulvibarbis (Otto) Salm-Dyck Synonym L WCSP (in review)
Cereus chiloensis var. heteromorphus K.Schum. Synonym L WCSP (in review)
Cereus chiloensis var. lamprochlorus Monv. ex Labour. Synonym L WCSP (in review)
Cereus chiloensis var. linnaei (C.F.Först.) K.Schum. Synonym L WCSP (in review)
Cereus chiloensis var. panhoplites K.Schum. Synonym L WCSP (in review)
Cereus chiloensis var. poselgeri K.Schum. Synonym L WCSP (in review)
Cereus chiloensis var. pycnacanthus (Salm-Dyck) K.Schum. Synonym L WCSP (in review)
Cereus chiloensis var. quisco (J.Rémy) F.A.C.Weber ex Hirscht Synonym L WCSP (in review)
Cereus chiloensis var. zizkaanus K.Schum. Synonym L WCSP (in review)
Cereus chiotilla A.Weber ex K.Schum. Synonym M WCSP (in review)
Cereus chloranthus Engelm. Synonym M WCSP (in review)
Cereus chlorocarpus (Kunth) DC. Synonym M WCSP (in review)
Cereus chosicensis Werderm. & Backeb. Unresolved L WCSP (in review)
Cereus chotaensis (Weber) Vaupel Synonym M WCSP (in review)
Cereus chrysacanthus (F.A.C.Weber ex K.Schum.) Orcutt Synonym M WCSP (in review)
Cereus chrysomallus (Lem.) Lem. Synonym M WCSP (in review)
Cereus chrysostele Vaupel Synonym M WCSP (in review)
Cereus cinerascens DC. Synonym M WCSP (in review)
Cereus cinerascens var. crassior DC. Synonym L WCSP (in review)
Cereus cinerascens var. fendleri Bois Synonym L WCSP (in review)
Cereus cinerascens var. tenuior DC. Synonym L WCSP (in review)
Cereus cinnabarinus Eichlam ex Weing. Synonym M WCSP (in review)
Cereus cirrhifer Labour. Unresolved L TRO
Cereus cirrhiferus Labour. [Unplaced] Unresolved L WCSP (in review)
Cereus claroviridis Backeb. Synonym M WCSP (in review)
Cereus clavarioides Pfeiff. Unresolved L WCSP (in review)
Cereus clavatus Otto & A.Dietr. Synonym L WCSP (in review)
Cereus claviformis Regel & E.Klein bis Synonym L WCSP (in review)
Cereus coccineus DC. Unresolved L WCSP (in review)
Cereus coccineus Salm-Dyck ex Pfeiff. & Otto [Illegitimate] Unresolved L WCSP (in review)
Cereus coccineus Engelm. [Illegitimate] Synonym L WCSP (in review)
Cereus coccineus var. melanacanthus Engelm. Synonym L WCSP (in review)
Cereus cochabambensis Cárdenas Accepted M WCSP (in review)
Cereus cochabambensis var. longicarpa Cárdenas Synonym L WCSP (in review)
Cereus cochal Orcutt Unresolved L WCSP (in review)
Cereus coerulescens Salm-Dyck Synonym L WCSP (in review)
Cereus coerulescens var. fulvispinus Graebener Synonym L WCSP (in review)
Cereus coerulescens var. landbeckii (Phil.) K.Schum. Synonym L WCSP (in review)
Cereus coerulescens f. landbeckii (Phil.) Schelle Synonym L WCSP (in review)
Cereus coerulescens var. longispinus Weing. Synonym L WCSP (in review)
Cereus coerulescens var. melanacanthus K.Schum. Synonym L WCSP (in review)
Cereus coerulescens f. melanacanthus (K.Schum.) Schelle Synonym L WCSP (in review)
Cereus coeruleus Lem. Unresolved L TRO
Cereus cognatus Pfeiff. Synonym L WCSP (in review)
Cereus colicochus Booth ex C.F.Först. Synonym M WCSP (in review)
Cereus colombianus (Rose) Vaupel Synonym M WCSP (in review)
Cereus colosseus F. Ritter Accepted M TRO
Cereus colubrinus Otto ex Salm-Dyck Synonym L WCSP (in review)
Cereus colubrinus var. flavispinus Salm-Dyck Synonym L WCSP (in review)
Cereus colubrinus var. smaragdiflorus (F.A.C.Weber) Rol.-Goss. Synonym L WCSP (in review)
Cereus colubrinus var. smaragdiflorus F.A.C. Weber Synonym L TRO
Cereus columna Walp. Synonym M WCSP (in review)
Cereus columna-trajani Karw. ex Pfeiff. Unresolved L WCSP (in review)
Cereus columnaris Loddiges ex Voigt Unresolved L TRO
Cereus × colvillii Sweet [Unplaced] Unresolved L WCSP (in review)
Cereus colvillii Rumpler Unresolved L TRO
Cereus comarapanus Cárdenas Accepted M WCSP (in review)
Cereus cometes Scheidw. Unresolved L WCSP (in review)
Cereus compressus Mill. Synonym M WCSP (in review)
Cereus concinnus Haage Unresolved L TRO
Cereus concolor J.M.Bigelow Synonym M WCSP (in review)
Cereus conformis Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus conglomeratus (J.R.Forst.) A.Berger Synonym M WCSP (in review)
Cereus conicus Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus coniflorus Weing. Synonym M WCSP (in review)
Cereus conoideus Engelm. & J.M.Bigelow Synonym M WCSP (in review)
Cereus conzattii (Britton & Rose) A.Berger Synonym M WCSP (in review)
Cereus coquimbanus DC. Synonym L WCSP (in review)
Cereus coquimbanus K.Schum. Synonym L WCSP (in review)
Cereus coracare Gosselin Unresolved L TRO
Cereus coryne C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Cereus coryne Salm-Dyck Unresolved L WCSP (in review)
Cereus cossyrensis Tineo ex Tod. [Unplaced] Unresolved L WCSP (in review)
Cereus costaricensis (Britton & Rose) A.Berger Synonym M WCSP (in review)
Cereus crassisepalus Buining & Brederoo Synonym L WCSP (in review)
Cereus crenatus Lindl. Synonym M WCSP (in review)
Cereus crenoides Engelm. [Unplaced] Unresolved L WCSP (in review)
Cereus crenulatus Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus crenulatus var. gracilior Salm-Dyck Synonym L WCSP (in review)
Cereus crenulatus var. griseus Salm-Dyck ex Pfeiff. Synonym L WCSP (in review)
Cereus crimsonii Pritz. Unresolved L TRO
Cereus crispatus (Haw.) Pfeiff. ex K.Schum. Synonym M WCSP (in review)
Cereus crispatus var. crenulatus Pfeiff. Synonym L WCSP (in review)
Cereus crispatus var. latior Salm-Dyck Synonym L WCSP (in review)
Cereus cruciformis (Arrab.) Steud. Synonym M WCSP (in review)
Cereus ctenoides Engelm. [Unplaced] Unresolved L WCSP (in review)
Cereus cubensis Zucc. ex Pfeiff. Unresolved L WCSP (in review)
Cereus cumengei F.A.C.Weber [Unplaced] Unresolved L WCSP (in review)
Cereus cumengii F.A.C.Weber [Unplaced] Unresolved L WCSP (in review)
Cereus cupulatus Pfeiff. Unresolved L WCSP (in review)
Cereus curtisii Pfeiff. Synonym M WCSP (in review)
Cereus curvispinus Pfeiff. Synonym L WCSP (in review)
Cereus cuzcoensis (Britton & Rose) Werderm. Synonym M WCSP (in review)
Cereus cyaneus A. Berger Unresolved L TRO
Cereus cylindricus (Lam.) Haw. Unresolved L WCSP (in review)
Cereus damazioi K.Schum. Synonym M WCSP (in review)
Cereus dasyacanthus Engelm. Synonym M WCSP (in review)
Cereus dasyacanthus var. minor Engelm. Synonym L WCSP (in review)
Cereus dasyacanthus var. neomexicanus J.M.Coult. Synonym L WCSP (in review)
Cereus dautwitzii (Haage) Orcutt Synonym M WCSP (in review)
Cereus davisii Reiche Unresolved L TRO
Cereus dayami Speg. Synonym L WCSP (in review)
Cereus decagonus Pfeiff. Synonym L WCSP (in review)
Cereus decandollei Pfeiff. ex C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Cereus decandollii Pfeiffer ex Forster Unresolved L TRO
Cereus decorus Loddiges ex Voigt Unresolved L TRO
Cereus decumbens Vaupel Synonym L WCSP (in review)
Cereus deficiens Otto & A.Dietr. Synonym L WCSP (in review)
Cereus deflexispinus Monv. ex Labour. Synonym M WCSP (in review)
Cereus deflexispinus Rauh & Backeb. Synonym M WCSP (in review)
Cereus del-moralii J.A.Purpus [Unplaced] Unresolved L WCSP (in review)
Cereus delaguna Haage Unresolved L TRO
Cereus demacaro Haage Unresolved L TRO
Cereus demazioi K. Schum. Unresolved L TRO
Cereus denudatus Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus deppei Pfeiff. Synonym M WCSP (in review)
Cereus deserticola Werderm. Synonym M WCSP (in review)
Cereus devauxii Foerster Unresolved L TRO
Cereus dichroacanthus Mart. ex Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus diffusus (Britton & Rose) Werderm. Accepted M WCSP (in review)
Cereus diguetii A.A.Weber Unresolved L WCSP (in review)
Cereus divaricatus (Lam.) DC. Unresolved L WCSP (in review)
Cereus divergens Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus donatii Schelle [Unplaced] Unresolved L WCSP (in review)
Cereus donkelaarii Salm-Dyck Synonym M WCSP (in review)
Cereus dubius Engelm. Synonym M WCSP (in review)
Cereus duledevantii Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus dumesnilianus Monv. ex F.A.C. Weber Unresolved L TRO
Cereus dumesnilianus Haage ex Schumann Unresolved L TRO
Cereus dumortieri Scheidw. Unresolved L WCSP (in review)
Cereus dusenii A.A.Weber ex Speg. Synonym M WCSP (in review)
Cereus dussii K.Schum. [Illegitimate] Synonym M WCSP (in review)
Cereus dybowskii Rol.-Goss. Synonym L WCSP (in review)
Cereus dyckii Mart. ex Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus eburneus Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus eburneus var. clavatus Fobe Synonym L WCSP (in review)
Cereus eburneus var. monstrosus Salm-Dyck ex DC. Synonym L WCSP (in review)
Cereus eburneus var. polygonus Pfeiff. Synonym L WCSP (in review)
Cereus edulis A.A.Weber ex Rother [Unplaced] Unresolved L WCSP (in review)
Cereus ehrenbergii Pfeiff. Synonym M WCSP (in review)
Cereus eichlamii (Britton & Rose) Standl. Unresolved L WCSP (in review)
Cereus ekmanii Werderm. Unresolved L WCSP (in review)
Cereus elegans Pfeiff. Synonym L WCSP (in review)
Cereus elegans Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus elegantissimus (Britton & Rose) A.Berger Unresolved L WCSP (in review)
Cereus emoryi Engelm. Unresolved L WCSP (in review)
Cereus engelmannii Parry ex Engelm. Synonym M WCSP (in review)
Cereus engelmannii var. albispinus Cels ex Orcutt Synonym L WCSP (in review)
Cereus engelmannii var. caespitosus Orcutt Synonym L WCSP (in review)
Cereus engelmannii var. chrysocentrus Engelm. & J.M.Bigelow Synonym L WCSP (in review)
Cereus engelmannii var. fulvispinus Cels ex Orcutt Synonym L WCSP (in review)
Cereus engelmannii var. pfersdorffii Heiden ex Orcutt Synonym L WCSP (in review)
Cereus engelmannii var. variegatus Engelm. & J.M.Bigelow Synonym L WCSP (in review)
Cereus enneacanthus Engelm. Synonym M WCSP (in review)
Cereus enriquezii Elliott Unresolved L TRO
Cereus erectus Karw. ex Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus ericomus Rchb.f. [Unplaced] Unresolved L WCSP (in review)
Cereus ericomus Salm-Dyck [Illegitimate] Synonym L WCSP (in review)
Cereus erinaceus (Haw.) Steud. Unresolved L WCSP (in review)
Cereus eriocarpus Phil. [Unplaced] Unresolved L WCSP (in review)
Cereus eriophorus Pfeiff. Unresolved L WCSP (in review)
Cereus eriotrichus Werderm. & Backeb. Synonym M WCSP (in review)
Cereus eruca Brandegee Unresolved L WCSP (in review)
Cereus erythrocephalus A.Berger Synonym M WCSP (in review)
Cereus estevesii P.J.Braun Accepted M WCSP (in review)
Cereus estrellensis F.A.C.Weber ex Wercklé [Unplaced] Unresolved L WCSP (in review)
Cereus euchlorus F.A.C.Weber ex K.Schum. Synonym M WCSP (in review)
Cereus euchlorus subsp. alticostatus (F.Ritter) P.J.Braun & Esteves Synonym L WCSP (in review)
Cereus euchlorus subsp. leucanthus (F.Ritter) P.J.Braun & Esteves Synonym L WCSP (in review)
Cereus euchlorus subsp. rhodoleucanthus (K.Schum.) P.J.Braun & Esteves Synonym L WCSP (in review)
Cereus euphorbioides Haw. Unresolved L WCSP (in review)
Cereus exerens Link ex Pfeiff. Synonym L WCSP (in review)
Cereus extensus Salm-Dyck ex DC. Unresolved L WCSP (in review)
Cereus eyriesii Pfeiff. Synonym M WCSP (in review)
Cereus farinosus Haage ex Salm-Dyck Unresolved L WCSP (in review)
Cereus fascicularis Meyen Unresolved L WCSP (in review)
Cereus fascicularis (Meyen) K.Schum. Unresolved L WCSP (in review)
Cereus faustianus Backeb. [Unplaced] Unresolved L WCSP (in review)
Cereus fendleri Engelm. Synonym M WCSP (in review)
Cereus fendleri var. pauperculus Engelm. Synonym L WCSP (in review)
Cereus ferchecki Parm. ex Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus fercheckii J. Parm. Synonym L TRO
Cereus fernambucensis Lem. Accepted L WCSP (in review)
Cereus fernambucensis subsp. fernambucensis Synonym L TRO
Cereus fernambucensis subsp. sericifer (F.Ritter) N.P.Taylor & Zappi Accepted L WCSP (in review)
Cereus ferox Haw. [Unplaced] Unresolved L WCSP (in review)
Cereus fimbriatus (Lam.) DC. Synonym L WCSP (in review)
Cereus fimbriatus Pfeiff. [Illegitimate] Synonym L WCSP (in review)
Cereus flagelliformis (L.) Mill. Synonym M WCSP (in review)
Cereus flagelliformis var. funkii Walp. Synonym L WCSP (in review)
Cereus flagelliformis var. leptophis (DC.) K.Schum. Synonym L WCSP (in review)
Cereus flagelliformis var. mallisonii Walp. Synonym L WCSP (in review)
Cereus flagelliformis var. minor Salm-Dyck ex Pfeiff. Synonym L WCSP (in review)
Cereus flagelliformis var. minor Salm-Dyck Synonym L WCSP (in review)
Cereus flagelliformis var. nothus Walp. Synonym L WCSP (in review)
Cereus flagelliformis var. schottii Walp. Synonym L WCSP (in review)
Cereus flagelliformis var. smithii Walp. Synonym L WCSP (in review)
Cereus flagelliformis var. speciosus Salm-Dyck Synonym L WCSP (in review)
Cereus flagriformis Zucc. ex Pfeiff. Synonym M WCSP (in review)
Cereus flavescens Otto ex Pfeiff [Unplaced] Unresolved L WCSP (in review)
Cereus flavicomus Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus flaviflorus Engelm. ex J.M.Coult. [Unplaced] Unresolved L WCSP (in review)
Cereus flavispinus Salm-Dyck Synonym L WCSP (in review)
Cereus flavispinus (Colla) Haw. ex Steud. [Illegitimate] Synonym L WCSP (in review)
Cereus flavispinus var. hexagonus Salm-Dyck Synonym L WCSP (in review)
Cereus flemingii Standl. & Steyerm. Unresolved L TRO
Cereus flexuosus Engelm. [Unplaced] Unresolved L WCSP (in review)
Cereus floccosus Pfeiff. Unresolved L WCSP (in review)
Cereus fluminensis Miq. Synonym M WCSP (in review)
Cereus foersteri Sencke Unresolved L TRO
Cereus forbesii C.F.Först. Accepted M WCSP (in review)
Cereus formosissimus F.A.C. Weber Unresolved L TRO
Cereus formosus Monv. Unresolved L WCSP (in review)
Cereus formosus C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Cereus fossulatus Backeb. Unresolved L TRO
Cereus fouachianus (Weber ex Rol.-Goss.) Vaupel Synonym L WCSP (in review)
Cereus foveolatus J.N.Haage ex Pfeiff. Synonym L WCSP (in review)
Cereus fragrans (Small) Little Unresolved L WCSP (in review)
Cereus × freiburgensis Weing. Unresolved L WCSP (in review)
Cereus fricii Backeb. Accepted M WCSP (in review)
Cereus × fulgidus Hook.f. Synonym L WCSP (in review)
Cereus fulvibarbis Otto & A.Dietr. Synonym L WCSP (in review)
Cereus fulviceps (Weber) A.Berger Synonym L WCSP (in review)
Cereus fulvispinosus Haw. Synonym M WCSP (in review)
Cereus fulvispinus Salm-Dyck [Spelling variant] Synonym M WCSP (in review)
Cereus × funkii C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Cereus funkii K.Schum. [Unplaced] Unresolved L WCSP (in review)
Cereus galapagensis A.Weber Unresolved L WCSP (in review)
Cereus garambello Haage ex C.F.Först. Unresolved L WCSP (in review)
Cereus gaumeri (Britton & Rose) Standl. Unresolved L WCSP (in review)
Cereus geminatus Otto ex Pfeiff. Unresolved L WCSP (in review)
Cereus geminisetus Rchb. [Unplaced] Unresolved L WCSP (in review)
Cereus gemmatus Zucc. ex Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus gemmatus Otto Synonym L TRO
Cereus geometrizans Mart. ex Pfeiff. Unresolved L WCSP (in review)
Cereus geometrizans var. cochal (Orcutt) K.Brandegee Unresolved L WCSP (in review)
Cereus geometrizans var. pugioniferus (Lem.) Salm-Dyck Unresolved L WCSP (in review)
Cereus ghiesbreghtii K.Schum. Synonym L WCSP (in review)
Cereus gibbosus (Haw.) Sweet Synonym M WCSP (in review)
Cereus gibbosus Pfeiff. Synonym M TRO
Cereus giganteus Engelm. Synonym M WCSP (in review)
Cereus gilliesii F.A.C. Weber Unresolved L TRO
Cereus gilvus Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus glaber Eichlam Synonym M WCSP (in review)
Cereus gladiator Otto & A.Dietr. Unresolved L WCSP (in review)
Cereus gladiatus Lem. Synonym M WCSP (in review)
Cereus gladiatus var. courantii C.F.Först. Synonym L WCSP (in review)
Cereus gladiatus var. vernaculatus Monv. ex Labour. Synonym L WCSP (in review)
Cereus gladiger Cels ex Salm-Dyck Synonym L WCSP (in review)
Cereus gladilger Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus glaucus Salm-Dyck Accepted M WCSP (in review)
Cereus glaucus Pfeiff. [Illegitimate] Synonym M WCSP (in review)
Cereus glaucus var. speciosus Pfeiff. Synonym L WCSP (in review)
Cereus glaziovii K.Schum. Synonym M WCSP (in review)
Cereus glomeratus Engelm. ex Orcutt Unresolved L TRO
Cereus gloriosus Pfeiff. Synonym M WCSP (in review)
Cereus glycimorphus (Foerster) Orcutt Synonym M WCSP (in review)
Cereus goebelianus Vaupel Synonym M WCSP (in review)
Cereus goiasensis (F.Ritter) P.J.Braun Synonym M WCSP (in review)
Cereus gonacanthus Engelm. & Bigelow Synonym L WCSP (in review)
Cereus gonacanthus Engelm. & J.M. Bigelow Synonym L TRO
Cereus gonzalezii A.Weber [Unplaced] Unresolved L WCSP (in review)
Cereus gounellei (F.A.C.Weber ex K.Schum.) Luetzelb. Synonym M WCSP (in review)
Cereus gracilis Mill. Synonym M WCSP (in review)
Cereus gracilis Haw. [Illegitimate] Synonym M WCSP (in review)
Cereus gracilis var. simpsonii (Small) L.D.Benson Synonym L WCSP (in review)
Cereus grandicostatus Werderm. Accepted M WCSP (in review)
Cereus grandiflorus (L.) Mill. Synonym M WCSP (in review)
Cereus grandiflorus var. affinis Salm-Dyck Synonym L TRO
Cereus grandiflorus var. armatus (K.Schum.) L.D.Benson Synonym L WCSP (in review)
Cereus grandiflorus var. barbadensis A.Berger Synonym L WCSP (in review)
Cereus grandiflorus var. callicanthus Rümpler Synonym L WCSP (in review)
Cereus grandiflorus var. flemingii Rümpler Synonym L WCSP (in review)
Cereus grandiflorus var. grusonianus Britton & Rose Synonym L WCSP (in review)
Cereus grandiflorus var. haitiensis K.Schum. Synonym L WCSP (in review)
Cereus grandiflorus var. hybridus Haage ex C.F.Först Synonym L WCSP (in review)
Cereus grandiflorus var. maximiliani Britton & Rose Synonym L WCSP (in review)
Cereus grandiflorus var. maynardii Paxton Synonym L WCSP (in review)
Cereus grandiflorus var. mexicanus Britton & Rose Synonym L WCSP (in review)
Cereus grandiflorus var. minor Salm-Dyck ex C.F.Först Synonym L WCSP (in review)
Cereus grandiflorus var. ruber Rümpler Synonym L WCSP (in review)
Cereus grandiflorus var. schmidtii A.Berger Synonym L WCSP (in review)
Cereus grandiflorus var. speciosissimus Pfeiff. Synonym L WCSP (in review)
Cereus grandiflorus var. spectabilis Karw. ex C.F.Först Synonym L WCSP (in review)
Cereus grandiflorus var. uranos (B.Schulz) Schelle Synonym L WCSP (in review)
Cereus grandiflorus var. uranus Riccob. Synonym L TRO
Cereus grandiflorus var. viridiflorus Woodson Synonym L WCSP (in review)
Cereus grandis Haw. [Unplaced] Unresolved L WCSP (in review)
Cereus grandis var. gracillior Salm-Dyck ex Labour. Synonym L WCSP (in review)
Cereus grandis var. ramosior Salm-Dyck ex Labour. Synonym L WCSP (in review)
Cereus grandispinus Haw. [Unplaced] Unresolved L WCSP (in review)
Cereus greggii Engelm. Unresolved L WCSP (in review)
Cereus greggii W.Watson [Unplaced] Unresolved L WCSP (in review)
Cereus greggii var. transmontanus Engelm. Unresolved L WCSP (in review)
Cereus grenadensis Britton & Rose Synonym M WCSP (in review)
Cereus griseus Haw. Synonym L WCSP (in review)
Cereus grossei Weing. Synonym M WCSP (in review)
Cereus grusonianus Weing. Synonym M WCSP (in review)
Cereus guasabara Cortés Unresolved L TRO
Cereus guatemalensis (Britton & Rose) Vaupel Synonym L WCSP (in review)
Cereus guatemalensis (Eichler) A.Berger [Illegitimate] Synonym M WCSP (in review)
Cereus guelichii Speg. Unresolved L WCSP (in review)
Cereus guentheri (Kupper) Werderm. [Illegitimate] Synonym M WCSP (in review)
Cereus gummatus Hildm. Unresolved L TRO
Cereus gumminosus Hildm. ex Schumann, Walther Unresolved L TRO
Cereus gummosus Engelm. Unresolved L WCSP (in review)
Cereus haageanus (Backeb.) N.P.Taylor Accepted M WCSP (in review)
Cereus haematuricus F.A.C. Weber ex K. Schum. Unresolved L TRO
Cereus haitiensis Schelle Unresolved L TRO
Cereus hallensis Weing. ex Borg [Invalid] Synonym L WCSP (in review)
Cereus hamatus Scheidw. Synonym M WCSP (in review)
Cereus hankeanus F.A.C.Weber ex K.Schum. Accepted M WCSP (in review)
Cereus × hansii Baumann [Unplaced] Unresolved L WCSP (in review)
Cereus hansii Haage Unresolved L TRO
Cereus hassleri K.Schum. Unresolved L WCSP (in review)
Cereus haworthii DC. [Unplaced] Unresolved L WCSP (in review)
Cereus haynei (Otto ex Salm-Dyck) Croucher Unresolved L WCSP (in review)
Cereus hempelianus Bauer Unresolved L TRO
Cereus hendriksenianus Backeb. Unresolved L WCSP (in review)
Cereus heptagonus (L.) Mill. Synonym L WCSP (in review)
Cereus hermannianus Suringar [Unplaced] Unresolved L WCSP (in review)
Cereus hermentianus Monv. ex Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus hertrichianus Werderm. Accepted M WCSP (in review)
Cereus herzogianus Backeb. [Unplaced] Unresolved L WCSP (in review)
Cereus heteracanthus Tweedie ex Sweet [Unplaced] Unresolved L WCSP (in review)
Cereus heteromorphus Monv. Unresolved L TRO
Cereus hexaedrus Engelm. & Bigelow Synonym L WCSP (in review)
Cereus hexaedrus Engelm. Synonym M TRO
Cereus hexagonus (L.) Mill. Accepted M WCSP (in review)
Cereus hexangularis Pfeiff. Synonym L WCSP (in review)
Cereus hildmannianus K.Schum. Accepted L WCSP (in review)
Cereus hildmannianus subsp. hildmannianus Synonym L TRO
Cereus hildmannianus subsp. xanthocarpus (K.Schum.) P.J.Braun & Esteves Synonym L WCSP (in review)
Cereus hildmannii K. Schum. Unresolved L TRO
Cereus hirschtianus K.Schum. Synonym L WCSP (in review)
Cereus hoffmannseggii C.F.Först. Unresolved L WCSP (in review)
Cereus hollianus F.A.C.Weber ex J.M.Coult. Unresolved L WCSP (in review)
Cereus hondurensis K.Schum. Synonym M WCSP (in review)
Cereus hoogendorpii Kuntze Unresolved L TRO
Cereus hookeri (Haw.) Pfeifer Synonym M WCSP (in review)
Cereus hoppenstedtii K.Schum. [Unplaced] Unresolved L WCSP (in review)
Cereus hoppenstedtii (F.A.C. Weber) A. Berger Synonym M TRO
Cereus horizontalis Gillies ex Sweet [Unplaced] Unresolved L WCSP (in review)
Cereus horrens Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus horribarbis Salm-Dyck Synonym M WCSP (in review)
Cereus horribilis A.Berger Synonym M WCSP (in review)
Cereus horridus Otto ex Pfeiff. Synonym M WCSP (in review)
Cereus horridus var. alatosquamatus Werderm. Synonym L WCSP (in review)
Cereus horrispinus Backeb. Accepted M WCSP (in review)
Cereus houlletii Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus houlletii (Lem.) A. Berger Accepted M TRO
Cereus huascha F.A.C.Weber Synonym M WCSP (in review)
Cereus huascha var. flaviflorus F.A.C.Weber Synonym L WCSP (in review)
Cereus huascha var. rubriflorus F.A.C.Weber Synonym L WCSP (in review)
Cereus huilunchu Cárdenas Accepted L WCSP (in review)
Cereus huitcholensis F.A.C.Weber Synonym M WCSP (in review)
Cereus humboldtianus Backeb. [Unplaced] Unresolved L WCSP (in review)
Cereus humboldtii (Kunth) DC. Synonym M WCSP (in review)
Cereus humilis DC. [Unplaced] Unresolved L WCSP (in review)
Cereus humilis var. minor Pfeiff. Synonym L WCSP (in review)
Cereus huntingtonianus Weing. [Unplaced] Unresolved L WCSP (in review)
Cereus huottii J.F.Cels Unresolved L TRO
Cereus hyalacanthus K.Schum. Unresolved L WCSP (in review)
Cereus hybridus Otto Unresolved L WCSP (in review)
Cereus hypogaeus F.A.C.Weber ex Regel [Unplaced] Unresolved L WCSP (in review)
Cereus hystrix Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus hystrix Sweet [Unplaced] Unresolved L WCSP (in review)
Cereus ianthothele Monv. Synonym M TRO
Cereus icosagonus (Kunth) DC. Synonym M WCSP (in review)
Cereus ictidurus Greene Unresolved L TRO
Cereus imbricatus Haw. Synonym M WCSP (in review)
Cereus imbricatus Pfeiff. Synonym L WCSP (in review)
Cereus incrassatus Link & Otto Unresolved L TRO
Cereus incrustans Steud. Unresolved L WCSP (in review)
Cereus incrustatus Pfeiff. Unresolved L WCSP (in review)
Cereus incurvispinus Otto & A.Dietr. Synonym M WCSP (in review)
Cereus inermis Otto Synonym M WCSP (in review)
Cereus inermis Scheidw. [Illegitimate] Synonym M WCSP (in review)
Cereus insularis Hemsl. Accepted M WCSP (in review)
Cereus intricatus Salm-Dyck Synonym M WCSP (in review)
Cereus inversus C.F. Först. Unresolved L TRO
Cereus iquiquensis K.Schum. Synonym M WCSP (in review)
Cereus irradians Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus isogonus K.Schum. Synonym M WCSP (in review)
Cereus jacquinii Rebut Unresolved L TRO
Cereus jajoianus Backeb. Synonym M WCSP (in review)
Cereus jalapaensis Vaupel Synonym M WCSP (in review)
Cereus jamacaru DC. Accepted M WCSP (in review)
Cereus jamacaru var. caesius Salm-Dyck Synonym L WCSP (in review)
Cereus jamacaru subsp. calcirupicola (F.Ritter) N.P.Taylor & Zappi Accepted L WCSP (in review)
Cereus jamacaru var. glaucus Ladenberg Synonym L WCSP (in review)
Cereus jamacaru subsp. goiasensis (F.Ritter) P.J.Braun & Esteves Synonym L WCSP (in review)
Cereus jamacaru subsp. jamacaru Synonym L TRO
Cereus janthothele Monv. ex Salm-Dyck Unresolved L WCSP (in review)
Cereus jasmineus Pfeiff. Synonym M WCSP (in review)
Cereus jenkinsonii Sweet Synonym M WCSP (in review)
Cereus jenkinsonii var. verus Haage ex C.F.Först Synonym L WCSP (in review)
Cereus joconostle F.A.C. Weber Unresolved L TRO
Cereus johnstonii (Britton & Rose) A.Berger Unresolved L WCSP (in review)
Cereus josselinaeus D. Gaillard Unresolved L TRO
Cereus jubatus Salm-Dyck ex C.F.Först. Unresolved L WCSP (in review)
Cereus jugatiflorus Werderm. [Unplaced] Unresolved L WCSP (in review)
Cereus jusbertii Rebut ex K.Schum. Unresolved L WCSP (in review)
Cereus kageneckii J.F.Gmel. ex Pfeiff. Unresolved L WCSP (in review)
Cereus kalbreyerianus Wercklé [Unplaced] Unresolved L WCSP (in review)
Cereus karstenii Salm-Dyck Synonym M WCSP (in review)
Cereus karwinskii Haage Unresolved L TRO
Cereus kerberi K.Schum. Unresolved L WCSP (in review)
Cereus kewensis Worsley Unresolved L TRO
Cereus keyensis (Britton & Rose) Vaupel Unresolved L WCSP (in review)
Cereus knightii Parm. ex Pfeiff. Synonym L WCSP (in review)
Cereus knippelianus (Liebner) Orcutt Synonym M WCSP (in review)
Cereus kreggii K.Schum. [Unplaced] Unresolved L WCSP (in review)
Cereus kroeneinii (R. Kiesling) P.J. Braun & Esteves Accepted M TRO
Cereus kroenleinii N.P.Taylor Synonym M WCSP (in review)
Cereus kunthianus Salm-Dyck Synonym M WCSP (in review)
Cereus labouretianus Mart. ex K. Schum. Unresolved L TRO
Cereus laetevirens Salm-Dyck Synonym L WCSP (in review)
Cereus laetevirens Pfeiff. [Illegitimate] Synonym L WCSP (in review)
Cereus laetevirens var. caesius C.F.Först. Synonym L WCSP (in review)
Cereus laetus (Kunth) DC. Unresolved L WCSP (in review)
Cereus laetus Salm-Dyck Synonym L WCSP (in review)
Cereus laevigatus Salm-Dyck Synonym M WCSP (in review)
Cereus laevigatus var. guatemalensis Eichlam Synonym L WCSP (in review)
Cereus lageniformis C.F.Först. Synonym M WCSP (in review)
Cereus lamprochlorus Lem. Synonym L WCSP (in review)
Cereus lamprochlorus var. salinicola Speg. Synonym L WCSP (in review)
Cereus lamprospermus K.Schum. Accepted L WCSP (in review)
Cereus lanatus (Kunth) DC. Synonym M WCSP (in review)
Cereus lanatus subsp. sericatus (Backeb.) Werderm. Synonym L WCSP (in review)
Cereus lanceanus Don Unresolved L TRO
Cereus landbeckii Phil. ex Regel Synonym M WCSP (in review)
Cereus langlassei Weing. Unresolved L TRO
Cereus laniceps K.Schum. Synonym L WCSP (in review)
Cereus lanosus (F.Ritter) P.J.Braun Accepted M WCSP (in review)
Cereus lanuginosus Mill. Synonym M WCSP (in review)
Cereus lanuginosus (L.) Haw. [Illegitimate] Synonym M WCSP (in review)
Cereus lanuginosus var. aureus Pfeiff. Synonym L WCSP (in review)
Cereus lanuginosus var. glaucescens Pfeiff. Synonym L WCSP (in review)
Cereus lasianthus K.Schum. [Unplaced] Unresolved L WCSP (in review)
Cereus lateribarbatus Lem. Synonym M WCSP (in review)
Cereus lateritius Salm-Dyck Unresolved L TRO
Cereus latifrons Zucc. Synonym M WCSP (in review)
Cereus lauterbachii K.Schum. ex Chodat & Hassl. Accepted M WCSP (in review)
Cereus lecchii Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus leeanus Hook. Synonym M WCSP (in review)
Cereus lehmannii C.F.Först. Unresolved L WCSP (in review)
Cereus leiocarpus Bello [Unplaced] Unresolved L WCSP (in review)
Cereus lemairei Hook. Synonym M WCSP (in review)
Cereus lemoinei Mollers Unresolved L TRO
Cereus leonensis (Mathsson) Orcutt Synonym M WCSP (in review)
Cereus leonii (Britton & Rose) Vaupel Synonym L WCSP (in review)
Cereus lepidanthus Eichlam Synonym M WCSP (in review)
Cereus lepidotus Salm-Dyck Synonym M WCSP (in review)
Cereus leptacanthus DC. ex Pfeiff. Synonym M WCSP (in review)
Cereus leptophis DC. Synonym M WCSP (in review)
Cereus leucanthus (Gillies ex Salm-Dyck) Pfeiff. Synonym M WCSP (in review)
Cereus leucostele Gürke Unresolved L WCSP (in review)
Cereus limensis Salm-Dyck Synonym M WCSP (in review)
Cereus limensis Lodd. ex C.F.Först. [Illegitimate] Synonym L WCSP (in review)
Cereus lindbergianus F.A.C.Weber ex K.Schum. Unresolved L WCSP (in review)
Cereus lindenzweigianus Gürke Synonym L WCSP (in review)
Cereus lindmanii F.A.C.Weber ex K.Schum. Unresolved L WCSP (in review)
Cereus linkii Pfeiff. Unresolved L WCSP (in review)
Cereus linnaei C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Cereus litoralis Johow Synonym M WCSP (in review)
Cereus lividus Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus lividus var. glaucior Labour. Synonym L WCSP (in review)
Cereus longicaudatus F.A.C.Weber [Unplaced] Unresolved L WCSP (in review)
Cereus longiflorus Alexander Synonym M WCSP (in review)
Cereus longifolius Karw. Unresolved L TRO
Cereus longipendunculatus C.F. Först. Unresolved L TRO
Cereus longisetus Engelm. Synonym M WCSP (in review)
Cereus longispinus Salm-Dyck ex Otto & Dietr. Synonym L WCSP (in review)
Cereus lormata C.A. Maass Unresolved L TRO
Cereus luetzelburgii Vaupel Unresolved L WCSP (in review)
Cereus lumbricoides Lem. Synonym M WCSP (in review)
Cereus lutescens Salm-Dyck ex Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus macdonaldiae Hook. Synonym M WCSP (in review)
Cereus macracanthus Linke Unresolved L TRO
Cereus macrocephalus (Weber) A.Berger Unresolved L WCSP (in review)
Cereus macrogonus Salm-Dyck Synonym M WCSP (in review)
Cereus macrostibas (Schum.) A.Berger Unresolved L WCSP (in review)
Cereus macrostibas K. Schum. Accepted M TRO
Cereus macrostibas var. roseiflorus Werderm. & Backeb. Synonym L TRO
Cereus maculatus Weing. Unresolved L WCSP (in review)
Cereus maelenii Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus magnus Haw. [Unplaced] Unresolved L WCSP (in review)
Cereus mallentianus J.F.Cels Unresolved L TRO
Cereus malletianus Cels ex K.Schum. [Unplaced] Unresolved L WCSP (in review)
Cereus × mallisonii Pfeiff. Synonym L WCSP (in review)
Cereus mallisonii Otto & A. Dietr. Synonym L TRO
Cereus mamillatus Engelm. ex J.M.Coult. Synonym M WCSP (in review)
Cereus margaritensis J.R.Johnst. Synonym M WCSP (in review)
Cereus margaritensis var. micracanthus Hummelinck Synonym L WCSP (in review)
Cereus marginatus DC. Unresolved L WCSP (in review)
Cereus marginatus Salm-Dyck [Illegitimate] Synonym M WCSP (in review)
Cereus marginatus f. gibbosus J.A.Purpus Unresolved L WCSP (in review)
Cereus mariculi Pfeiff. Synonym L WCSP (in review)
Cereus maritimus Coult. Synonym M WCSP (in review)
Cereus maritimus M.E. Jones Synonym M TRO
Cereus markgrafii (Backeb. & Voll) P.J.Braun Synonym M WCSP (in review)
Cereus marmoratus Zeiss. Synonym L TRO
Cereus martianus Zucc. ex Pfeiff. Synonym M WCSP (in review)
Cereus martianus Zucc. Synonym M TRO
Cereus martini Labour. Unresolved L WCSP (in review)
Cereus martini Mart. ex Lem. Unresolved L WCSP (in review)
Cereus martini Dupuis Synonym M WCSP (in review)
Cereus martini var. perviridis Weing. Unresolved L WCSP (in review)
Cereus matucanensis Backeb. Unresolved L TRO
Cereus maxonii (Rose) Vaupel Unresolved L WCSP (in review)
Cereus maynardii J. Paxton Unresolved L TRO
Cereus megalanthus K.Schum. ex Vaupel Unresolved L WCSP (in review)
Cereus melanacanthus (K.Schum.) Schelle Synonym L WCSP (in review)
Cereus melanostele (Vaupel) A.Berger Unresolved L WCSP (in review)
Cereus melanostele (Vaupel) Werderm. Synonym L TRO
Cereus melanotrichus K.Schum. Synonym M WCSP (in review)
Cereus melanurus K.Schum. Synonym M WCSP (in review)
Cereus melocactus (Vell.) A.Berger Synonym L WCSP (in review)
Cereus melocactus Vell. Synonym M TRO
Cereus mendory Pfeiff. Synonym L WCSP (in review)
Cereus meonacanthus Link & Otto ex Steud. Synonym L WCSP (in review)
Cereus merkeri (Hildm.) A.Berger Synonym M WCSP (in review)
Cereus mexicanus Lem. ex C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Cereus meyenii (Britton & Rose) Werderm. Synonym M WCSP (in review)
Cereus micracanthus DC. [Unplaced] Unresolved L WCSP (in review)
Cereus micranthus Vaupel Unresolved L WCSP (in review)
Cereus microspermus Werderm. & Backeb. Synonym M WCSP (in review)
Cereus microsphaericus K.Schum. Synonym L WCSP (in review)
Cereus mieckleyanus Weing. Synonym M WCSP (in review)
Cereus milesimus Rost Synonym L WCSP (in review)
Cereus militaris Audot Synonym M WCSP (in review)
Cereus militaris var. californicus K.Schum. Synonym L WCSP (in review)
Cereus millspaughii (Britton) Vaupel Synonym M WCSP (in review)
Cereus minensis Werderm. Synonym M WCSP (in review)
Cereus minor Weing. Unresolved L TRO
Cereus minutiflorus (Britton & Rose) Vaupel Synonym M WCSP (in review)
Cereus mirabella N.P.Taylor Accepted M WCSP (in review)
Cereus miravallensis A.Weber [Unplaced] Unresolved L WCSP (in review)
Cereus mirbelii Pfeiff. Unresolved L WCSP (in review)
Cereus mixtecensis J.A.Purpus Unresolved L WCSP (in review)
Cereus moennighoffi Fisch. Synonym M TRO
Cereus × moenninghoffii D.F.Fisch. Synonym L WCSP (in review)
Cereus mohavensis S.Watson Synonym M WCSP (in review)
Cereus mojavensis Engelm. & Bigelow Synonym M WCSP (in review)
Cereus mojavensis Engelm. & J.M. Bigelow Synonym M TRO
Cereus mojavensis var. zuniensis Engelm. Synonym L WCSP (in review)
Cereus mollis Pfeiff. Synonym M WCSP (in review)
Cereus mollis var. nigricans Labour. Synonym L WCSP (in review)
Cereus monacanthus Lem. Unresolved L WCSP (in review)
Cereus monacanthus Cels ex K.Schum. Unresolved L WCSP (in review)
Cereus moniliformis (L.) DC. Synonym L WCSP (in review)
Cereus monoclonus DC. Synonym M WCSP (in review)
Cereus monstrosus Steud. Synonym L WCSP (in review)
Cereus monstrosus var. minor Woodson Synonym L WCSP (in review)
Cereus monstruosus K.Schum. Synonym L WCSP (in review)
Cereus montevidensis Pfeiff. Synonym L WCSP (in review)
Cereus montezumae Pfeiff. Synonym M WCSP (in review)
Cereus monvilleanus F.A.C.Weber ex K.Schum. [Unplaced] Unresolved L WCSP (in review)
Cereus moritzianus Otto Synonym M WCSP (in review)
Cereus mortensenii (Croizat) D.R.Hunt & N.P.Taylor Accepted L WCSP (in review)
Cereus multangularis (Willd.) Haw. Synonym M WCSP (in review)
Cereus multangularis var. albispinus Salm-Dyck Synonym L WCSP (in review)
Cereus multangularis var. limensis (Salm-Dyck) C.A.Maass Synonym L WCSP (in review)
Cereus multangularis var. pallidior Pfeiff. Synonym L WCSP (in review)
Cereus multangularis var. prolifer Salm-Dyck Synonym L WCSP (in review)
Cereus multangularis var. rufispinus Haw. ex Fobe Synonym L WCSP (in review)
Cereus multicostatus J.F.Cels Unresolved L TRO
Cereus multiplex Pfeiff. Synonym M WCSP (in review)
Cereus multiplex var. monstrosus Pfeiff. Synonym L WCSP (in review)
Cereus munzii Parish Synonym M WCSP (in review)
Cereus murillii (Britton & Rose) A.Berger Unresolved L WCSP (in review)
Cereus myosurus Salm-Dyck ex DC. Synonym M WCSP (in review)
Cereus myosurus var. tenuior Salm-Dyck Synonym L WCSP (in review)
Cereus myriacaulon Mart. Unresolved L TRO
Cereus myriocaulon Mart. ex Pfeiff. Synonym L WCSP (in review)
Cereus myriophyllus Gillies ex Otto Synonym M WCSP (in review)
Cereus nanus (Kunth) DC. Synonym M WCSP (in review)
Cereus napoleonis Graham Synonym M WCSP (in review)
Cereus nashii (Britton) Vaupel Unresolved L WCSP (in review)
Cereus nelsonii Weing. Synonym M WCSP (in review)
Cereus neomexicanus (Standl.) Tidestr. Synonym M WCSP (in review)
Cereus neonesioticus (F.Ritter) P.J.Braun Synonym L WCSP (in review)
Cereus neonesioticus var. interior (F.Ritter) P.J.Braun Synonym L WCSP (in review)
Cereus neotetragonus Backeb. Accepted M WCSP (in review)
Cereus nesioticus K.Schum. ex B.L.Rob. Synonym M WCSP (in review)
Cereus neumannii K.Schum. Synonym L WCSP (in review)
Cereus nickelsii Gürke [Unplaced] Unresolved L WCSP (in review)
Cereus niger Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus niger var. gracilior Salm-Dyck Synonym L WCSP (in review)
Cereus nigricans Pfeiff. Synonym M WCSP (in review)
Cereus nigricans Lem. [Illegitimate] Synonym M WCSP (in review)
Cereus nigripilis Phil. Synonym M WCSP (in review)
Cereus nigrispinus Labour. ex K. Schum. Unresolved L TRO
Cereus nitens Salm-Dyck ex Otto & Dietr. Synonym M WCSP (in review)
Cereus nitidus Salm-Dyck Synonym M WCSP (in review)
Cereus nobilis Haw. Synonym M WCSP (in review)
Cereus northumberlandianus Lamb. [Unplaced] Unresolved L WCSP (in review)
Cereus nothus Blume Unresolved L TRO
Cereus nothus J.C. Wendl. Unresolved L TRO
Cereus nudiflorus Engelm. ex Sauvalle Synonym L WCSP (in review)
Cereus nyctago A.Berger [Illegitimate] Synonym L WCSP (in review)
Cereus nycticalus Link Synonym M WCSP (in review)
Cereus nycticalus var. armatus K.Schum. Synonym L WCSP (in review)
Cereus nycticalus var. gracilior Haage ex C.F.Först Synonym L WCSP (in review)
Cereus nycticalus var. maximiliani Arendt Synonym L WCSP (in review)
Cereus nycticalus var. peanii Bég. Synonym L WCSP (in review)
Cereus obtusangulus K.Schum. Synonym L WCSP (in review)
Cereus obtusus Haw. Synonym L WCSP (in review)
Cereus obtusus Pfeiff. Synonym M WCSP (in review)
Cereus ocamponis Salm-Dyck Unresolved L WCSP (in review)
Cereus ochracanthus Pfeiff. Unresolved L WCSP (in review)
Cereus octacanthus (Mufehleupf.) Coult. Synonym L WCSP (in review)
Cereus octogonus Otto Synonym L WCSP (in review)
Cereus olfersii Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus oligolepis Vaupel Unresolved L WCSP (in review)
Cereus olivaceus Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus ophites Lem. Synonym M TRO
Cereus × orcuttii K.Brandegee Synonym L WCSP (in review)
Cereus ovatus G.Don Unresolved L WCSP (in review)
Cereus oxygonus (Link) Otto Synonym M WCSP (in review)
Cereus oxygonus Salm-Dyck ex C.F.Först. [Illegitimate] Unresolved L WCSP (in review)
Cereus oxypetalus DC. Synonym M WCSP (in review)
Cereus pacalaensis Backeb. [Invalid] Unresolved L WCSP (in review)
Cereus pachanoi (Britton & Rose) Werderm. Synonym M WCSP (in review)
Cereus pachyrrhizus K.Schum. Accepted M WCSP (in review)
Cereus pacificus Coult. Synonym M WCSP (in review)
Cereus palmeri F.A.C.Weber Synonym M WCSP (in review)
Cereus palmeri Engelm. ex J.M.Coult. [Unplaced] Unresolved L WCSP (in review)
Cereus paniculatus (Lam.) DC. Unresolved L WCSP (in review)
Cereus panoplaeatus Cels ex Salm-Dyck Synonym L WCSP (in review)
Cereus panoplaeatus Monv. Synonym L TRO
Cereus papillosus (Linke) A.Berger Synonym M WCSP (in review)
Cereus paradisiacus Vaupel Synonym M WCSP (in review)
Cereus paradoxus Steud. Synonym M WCSP (in review)
Cereus paraensis Huber Unresolved L TRO
Cereus paraguayensis K.Schum. ex Chodat & Hassl. [Unplaced] Unresolved L WCSP (in review)
Cereus parasiticus Haw. ex Steud. Synonym M WCSP (in review)
Cereus parviflorus K.Schum. Synonym M WCSP (in review)
Cereus parvisetus Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus parvulus K.Schum. Synonym L WCSP (in review)
Cereus pasacana (F.A.C.Weber) F.A.C.Weber Synonym M WCSP (in review)
Cereus patagonicus F.A.C.Weber ex Speg. Synonym M WCSP (in review)
Cereus paucispinus Engelm. & Bigelow Synonym M WCSP (in review)
Cereus paucispinus Engelm. Synonym M TRO
Cereus paulensis (Speg.) Werderm. Synonym L WCSP (in review)
Cereus paxtonianus Monv. ex Salm-Dyck Synonym M WCSP (in review)
Cereus peanii Beguin Unresolved L TRO
Cereus pecten-aboriginum Engelm. ex S.Watson Synonym M WCSP (in review)
Cereus pectinatus (Scheidw.) Engelm. Synonym M WCSP (in review)
Cereus pectinatus f. adustus (Engelm.) Voss Synonym L WCSP (in review)
Cereus pectinatus var. armatus Poselg. Synonym L WCSP (in review)
Cereus pectinatus var. centralis Coult. Unresolved L WCSP (in review)
Cereus pectinatus var. rigidissimus Engelm. Synonym L WCSP (in review)
Cereus pectinatus f. rufispinus (Engelm.) Voss Synonym L WCSP (in review)
Cereus pectiniferus Labour. Synonym M WCSP (in review)
Cereus pellucidus Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus penicillatus Gürke Synonym M WCSP (in review)
Cereus pensilis Brandegee [Unplaced] Unresolved L WCSP (in review)
Cereus pentaedrophorus Labour. Unresolved L WCSP (in review)
Cereus pentagonus (L.) Haw. Synonym M WCSP (in review)
Cereus pentagonus C.F.Först. [Illegitimate] Synonym L WCSP (in review)
Cereus pentagonus var. glaucus C.Morel ex Labour. Synonym L WCSP (in review)
Cereus pentalophorus Labour. Unresolved L TRO
Cereus pentalophus DC. Synonym M WCSP (in review)
Cereus pentalophus var. radicans DC. Synonym L WCSP (in review)
Cereus pentalophus var. simplex DC. Synonym L WCSP (in review)
Cereus pentalophus var. subarticulatus DC. Synonym L WCSP (in review)
Cereus pentapterus Otto ex Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus pepinianus Lem. ex Salm-Dyck Synonym M WCSP (in review)
Cereus perlucens K.Schum. Synonym M WCSP (in review)
Cereus pernambucensis Lem. Unresolved L TRO
Cereus perotetti Pfeiff. Unresolved L TRO
Cereus perrottetianus Lem. Unresolved L TRO
Cereus perrottetii Pfeiff. Synonym L WCSP (in review)
Cereus peruvianus (L.) Mill. Synonym M WCSP (in review)
Cereus peruvianus C.F.Först. Misapplied L WCSP (in review)
Cereus peruvianus var. alacriportanus (Pfeiff.) K.Schum. Synonym L WCSP (in review)
Cereus peruvianus var. brasiliensis C.F.Först. Synonym L WCSP (in review)
Cereus peruvianus var. cristatus Graebener Synonym L WCSP (in review)
Cereus peruvianus var. monstrosus DC. Synonym L WCSP (in review)
Cereus peruvianus var. ovicarpus Hertrich Synonym L WCSP (in review)
Cereus peruvianus var. persicinus Werderm. Synonym L WCSP (in review)
Cereus peruvianus var. proferrens Werderm. Synonym L WCSP (in review)
Cereus peruvianus var. reclinatus Werderm. Synonym L WCSP (in review)
Cereus perviridis Weing. Unresolved L TRO
Cereus pfeifferi Parm. ex Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus pfersdorffii Hildm. ex K.Schum. Unresolved L WCSP (in review)
Cereus phaeacanthus Gürke Synonym M WCSP (in review)
Cereus phaeacanthus var. breviflorus (F.Ritter) P.J.Braun Synonym L WCSP (in review)
Cereus phatnospermus K.Schum. Accepted M WCSP (in review)
Cereus phatnospermus subsp. adelmarii (Rizzini & A.Mattos) P.J.Braun & Esteves Accepted L WCSP (in review)
Cereus phatnospermus subsp. kroenleinii (N.P.Taylor) P.J.Braun & Esteves Accepted L WCSP (in review)
Cereus philippii Regel & Schmidt Unresolved L WCSP (in review)
Cereus phoeniceus Engelm. & Bigelow [Unplaced] Unresolved L WCSP (in review)
Cereus phoeniceus Engelm. Synonym M TRO
Cereus phoeniceus var. pacificus Engelm. Synonym L WCSP (in review)
Cereus phyllanthoides (DC.) DC. Synonym L WCSP (in review)
Cereus phyllanthoides var. albiflorus Pfeiff. Synonym L WCSP (in review)
Cereus phyllanthoides var. curtisii Salm-Dyck Synonym L WCSP (in review)
Cereus phyllanthoides var. jenkinsonii Salm-Dyck Synonym L WCSP (in review)
Cereus phyllanthoides var. quillardieri Salm-Dyck Synonym L WCSP (in review)
Cereus phyllanthoides var. vandesii Salm-Dyck Synonym L WCSP (in review)
Cereus phyllanthus (L.) DC. Synonym M WCSP (in review)
Cereus piauhyensis Gürke Unresolved L WCSP (in review)
Cereus pierrebraunianus Esteves Accepted M WCSP (in review)
Cereus pitajaya DC. Synonym M WCSP (in review)
Cereus pitajaya var. variabilis Weing. Synonym L WCSP (in review)
Cereus plagiostoma Vaupel Synonym M WCSP (in review)
Cereus platinospinus Werderm. & Backeb. Unresolved L WCSP (in review)
Cereus platycarpus Zucc. ex C.F.Först. Unresolved L WCSP (in review)
Cereus platygonus Salm-Dyck Unresolved L WCSP (in review)
Cereus platygonus Speg. [Illegitimate] Synonym L WCSP (in review)
Cereus pleiogonus Labour. [Unplaced] Unresolved L WCSP (in review)
Cereus plumieri Rol.-Goss. Synonym M WCSP (in review)
Cereus poco (Backeb.) Blossf. Synonym M WCSP (in review)
Cereus polyacanthus Engelm. Synonym M WCSP (in review)
Cereus polyachaetus Rchb. [Unplaced] Unresolved L WCSP (in review)
Cereus polychaetus Walp. Unresolved L TRO
Cereus polygonatus Pfeiff. Synonym L WCSP (in review)
Cereus polygonus (Lam.) DC. Unresolved L WCSP (in review)
Cereus polylophus DC. Unresolved L WCSP (in review)
Cereus polymorphus (Gill.) G.Don Unresolved L WCSP (in review)
Cereus polymorphus C.F.Först. Unresolved L WCSP (in review)
Cereus polyptychus Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus polyrhizus F.A.C.Weber Synonym M WCSP (in review)
Cereus pomanensis F.A.C.Weber ex K.Schum. Unresolved L WCSP (in review)
Cereus pomanensis var. grossei Graebener Synonym L WCSP (in review)
Cereus pomanensis var. grossei Weing. ex A. Berger Synonym L TRO
Cereus pomifer Weing. Synonym M WCSP (in review)
Cereus portoricensis (Britton) Urb. Unresolved L WCSP (in review)
Cereus poselgeri Coult. Synonym M WCSP (in review)
Cereus poselgeri Lem. Synonym M TRO
Cereus poselgerianus (Linke) A.Berger Synonym M WCSP (in review)
Cereus pottsii Salm-Dyck Unresolved L WCSP (in review)
Cereus princeps Pfeiff. Synonym M WCSP (in review)
Cereus pringlei S.Watson Synonym M WCSP (in review)
Cereus pringlei var. calvus M.E.Jones Synonym L WCSP (in review)
Cereus prismaticus Salm-Dyck ex DC. [Unplaced] Unresolved L WCSP (in review)
Cereus prismaticus (Willd.) Haw. ex Steud. [Illegitimate] Synonym M WCSP (in review)
Cereus prismaticus (Willd.) Haw. Synonym M TRO
Cereus prismatiformis Pfeiff. Synonym L WCSP (in review)
Cereus procumbens Engelm. Synonym M WCSP (in review)
Cereus procumbens A.Gray [Unplaced] Unresolved L WCSP (in review)
Cereus propinquus Salm-Dyck ex Otto Synonym M WCSP (in review)
Cereus propinquus var. subarticulatus H.Pfeiff. ex C.F.Först Synonym L WCSP (in review)
Cereus prostratus (Britton & Rose) Werderm. Synonym L WCSP (in review)
Cereus proteiformis (Salm-Dyck) Steud. Unresolved L WCSP (in review)
Cereus pruinatus Rojas Acosta Unresolved L TRO
Cereus pruinosus (Otto ex Pfeiff.) C.F.Först. Synonym M WCSP (in review)
Cereus pseudocaesius Werderm. Synonym M WCSP (in review)
Cereus pseudomelanostele Werderm. & Backeb. Unresolved L WCSP (in review)
Cereus pseudosonorensis Gürke [Unplaced] Unresolved L WCSP (in review)
Cereus pseudospinulosus (Weingi) Weing. Synonym L WCSP (in review)
Cereus pseudothelegonus Rauh & Backeb. Synonym M WCSP (in review)
Cereus pterandra Link ex Pfeiff. Unresolved L TRO
Cereus pteranthus Link ex A.Dietr. Unresolved L WCSP (in review)
Cereus pterocaulis Pfeiff. Synonym M WCSP (in review)
Cereus pterogonus Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus pubiflorus (Britton & Rose) Vaupel Synonym M WCSP (in review)
Cereus pugionifer Lem. Unresolved L WCSP (in review)
Cereus pugionifer K. Schum. Synonym M TRO
Cereus pulchellus Pfeiff. Synonym M WCSP (in review)
Cereus purpureopilosus Weing. [Unplaced] Unresolved L WCSP (in review)
Cereus purpureus (Gürke) Luetzelb. Synonym L WCSP (in review)
Cereus purpusii Weing. Unresolved L WCSP (in review)
Cereus pycnacanthus Salm-Dyck Synonym L WCSP (in review)
Cereus quadrangularis Haw. Synonym L WCSP (in review)
Cereus quadrangularis Pfeiff. Synonym M WCSP (in review)
Cereus quadrangulispinus Lem. ex Ehrenb. [Unplaced] Unresolved L WCSP (in review)
Cereus quadricostatus Bello Unresolved L WCSP (in review)
Cereus queretaroensis F.A.C.Weber ex Mathes. Synonym M WCSP (in review)
Cereus quintero Pfeiff. Synonym L WCSP (in review)
Cereus quisco Gay [Unplaced] Unresolved L WCSP (in review)
Cereus radicans DC. Synonym M WCSP (in review)
Cereus ramosus Karw. ex Pfeiff. Synonym M WCSP (in review)
Cereus ramulosus Salm-Dyck Synonym M WCSP (in review)
Cereus recurvus Link & Otto ex Steud. Synonym L WCSP (in review)
Cereus reductus DC. Unresolved L WCSP (in review)
Cereus reductus Link Synonym M TRO
Cereus reflexus Steud. Synonym L WCSP (in review)
Cereus regalis Haw. ex Spreng. [Invalid] Synonym M WCSP (in review)
Cereus regelii Weing. Synonym L WCSP (in review)
Cereus reichenbachianus Labour. Synonym M WCSP (in review)
Cereus reichenbachianus var. castaneus Labour. Synonym L WCSP (in review)
Cereus remolinensis Backeb. Synonym M WCSP (in review)
Cereus repandus (L.) Mill. Accepted M WCSP (in review)
Cereus repandus Haw. Unresolved L TRO
Cereus repandus var. laetevirens Salm-Dyck Synonym L WCSP (in review)
Cereus reptans Salm-Dyck ex DC. Synonym M WCSP (in review)
Cereus reptans Haw. ex Steud. Synonym M WCSP (in review)
Cereus resupinatus Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus retroflexus Pfeiff. Synonym L WCSP (in review)
Cereus rhodacanthus (Salm-Dyck) F.A.C. Weber Synonym M TRO
Cereus rhodanthus Gürke Synonym M WCSP (in review)
Cereus rhodocephalus Lem. Unresolved L TRO
Cereus rhodoleucanthus K.Schum. Synonym M WCSP (in review)
Cereus rhombeus Salm-Dyck Unresolved L WCSP (in review)
Cereus ridleii Andrade-Lima ex Backeb. Synonym M WCSP (in review)
Cereus rigidispinus Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus rigidispinus Muehlenpf. [Unplaced] Unresolved L WCSP (in review)
Cereus rigidus Lem. ex Salm-Dyck Synonym L WCSP (in review)
Cereus ritteri P.J.Braun & Esteves Synonym M WCSP (in review)
Cereus ritteri subsp. parapetiensis (F.Ritter) P.J.Braun & Esteves Synonym L WCSP (in review)
Cereus robinii (Lem.) L.D.Benson Unresolved L WCSP (in review)
Cereus robinii var. deeringii (Small) L.D.Benson Unresolved L WCSP (in review)
Cereus robinii var. keyensis (Britton & Rose) L.D. Benson Synonym L TRO
Cereus robustus Lawr. [Unplaced] Unresolved L WCSP (in review)
Cereus roemeri Muehlenpf. Synonym M WCSP (in review)
Cereus roemeri Engelm. Synonym L WCSP (in review)
Cereus × roetteri Engelm. Synonym M WCSP (in review)
Cereus roetteri Engelm. Synonym M TRO
Cereus roezlii F.Haage ex K.Schum. Unresolved L WCSP (in review)
Cereus roezlii Backeb. Synonym L WCSP (in review)
Cereus rogalli K. Schum. Unresolved L TRO
Cereus roridus Pfeiff. Synonym M WCSP (in review)
Cereus rosaceus Pfeiff. Synonym M WCSP (in review)
Cereus roseanus Vaupel Synonym M WCSP (in review)
Cereus rosei Werderm. Unresolved L WCSP (in review)
Cereus roseiflorus Speg. Synonym L WCSP (in review)
Cereus rostratus Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus rothii Weing. Synonym L WCSP (in review)
Cereus royenii (L.) Mill. Synonym M WCSP (in review)
Cereus royenii Haw. [Illegitimate] Synonym M WCSP (in review)
Cereus royenii var. armatus Salm-Dyck ex Walp. Synonym L WCSP (in review)
Cereus royenii var. floccosus Monv. ex Labour. Synonym L WCSP (in review)
Cereus ruber Weing. [Unplaced] Unresolved L WCSP (in review)
Cereus × ruferi Lipsch. Unresolved L WCSP (in review)
Cereus ruferi Lipsch. Unresolved L TRO
Cereus × ruferi var. major Lipsch. Synonym L WCSP (in review)
Cereus ruficeps (F.A.C.Weber) Vaupel Unresolved L WCSP (in review)
Cereus rufispinus (Engelm.) Engelm. Synonym M WCSP (in review)
Cereus russelianus Otto [Illegitimate] Synonym M WCSP (in review)
Cereus russelianus Salm-Dyck Synonym M TRO
Cereus russellianus Gardner Synonym L WCSP (in review)
Cereus saddianus (Rizzini & A.Mattos) P.J.Braun Accepted M WCSP (in review)
Cereus salm-dyckianus Salm-Dyck Synonym L WCSP (in review)
Cereus salm-dyckianus Hemsl. Synonym M WCSP (in review)
Cereus salmianus Cels in Weber Synonym M TRO
Cereus salpingensis K. Schum. Unresolved L TRO
Cereus sanborgianus Coult. Synonym M WCSP (in review)
Cereus santiaguensis Speg. Synonym L WCSP (in review)
Cereus sargentianus Orcutt Synonym M WCSP (in review)
Cereus sartorianus Kupper ex A.Berger [Unplaced] Unresolved L WCSP (in review)
Cereus sartorianus (Rose) Kupper ex Berger Synonym M TRO
Cereus saxicola Morong Synonym M WCSP (in review)
Cereus saxicola var. anguiniformis Riccob. Synonym L WCSP (in review)
Cereus scandens Salm-Dyck Synonym M WCSP (in review)
Cereus scandens var. minor Boerh. ex Arendt Synonym L WCSP (in review)
Cereus scheerii Salm-Dyck Unresolved L WCSP (in review)
Cereus schelhasii Pfeiff. Synonym M WCSP (in review)
Cereus schenckii J.A.Purpus Unresolved L WCSP (in review)
Cereus schickendantzii A.A.Weber ex K.Schum. Synonym L WCSP (in review)
Cereus schickendantzii F.A.C. Weber Synonym L TRO
Cereus schmidtii G. Don Unresolved L TRO
Cereus schmollii Weing. Synonym M WCSP (in review)
Cereus schoenemannii Hildm. Unresolved L TRO
Cereus schomburgkii Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus schomburgkii Otto ex K.Schum. [Unplaced] Unresolved L WCSP (in review)
Cereus schomburgkii C.F. Först. Synonym M TRO
Cereus schottii Engelm. Synonym M WCSP (in review)
Cereus schottii var. australis K.Brandegee Synonym L WCSP (in review)
Cereus schrankii Zucc. ex Seitz Unresolved L WCSP (in review)
Cereus schumannii Mathsson ex K.Schum Synonym M WCSP (in review)
Cereus sciurus Brandegee Synonym M WCSP (in review)
Cereus sclerocarpus K.Schum. ex B.L.Rob. Unresolved L WCSP (in review)
Cereus scopa Salm-Dyck ex DC. Synonym L WCSP (in review)
Cereus scoparius (Poselg.) A.Berger Unresolved L WCSP (in review)
Cereus seidelii Lehm. ex Salm-Dyck Synonym M WCSP (in review)
Cereus senilis (Haw.) Salm-Dyck ex DC. Synonym M WCSP (in review)
Cereus sepium (Kunth) DC. Synonym M WCSP (in review)
Cereus sericatus Backeb. Synonym M WCSP (in review)
Cereus sericeus Pfeiff. Unresolved L WCSP (in review)
Cereus sericifer (F.Ritter) P.J.Braun Synonym M WCSP (in review)
Cereus serpens (Kunth) DC. Synonym M WCSP (in review)
Cereus serpentinus (Lag. & Rodr.) DC. Synonym M WCSP (in review)
Cereus serpentinus var. albispinus Weing. Synonym L WCSP (in review)
Cereus serpentinus var. splendens Salm-Dyck ex Lem. Synonym L TRO
Cereus serpentinus var. strictior Walp. Synonym L WCSP (in review)
Cereus serratus Weing. [Unplaced] Unresolved L WCSP (in review)
Cereus serruliflorus Haw. Unresolved L WCSP (in review)
Cereus setaceus Salm-Dyck ex DC. Synonym M WCSP (in review)
Cereus setaceus var. viridior Salm-Dyck Synonym L WCSP (in review)
Cereus setiger Haw. [Unplaced] Unresolved L WCSP (in review)
Cereus setosus (Gürke) Vaupel Synonym L WCSP (in review)
Cereus sextonianus Backeb. [Invalid] Synonym M WCSP (in review)
Cereus siedelii Lehm. ex Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus silvestrii Speg. Synonym M WCSP (in review)
Cereus silvestrii var. crassicaulis Backeb. Synonym L WCSP (in review)
Cereus similis Meinsh. [Unplaced] Unresolved L WCSP (in review)
Cereus simonii Hildm. Unresolved L TRO
Cereus sirul F.A.C.Weber [Unplaced] Unresolved L WCSP (in review)
Cereus smaragdiflorus F.A.C.Weber Synonym M WCSP (in review)
Cereus × smithianus Sweet [Invalid] Unresolved L WCSP (in review)
Cereus smithianus (Britton & Rose) Werderm. Synonym M WCSP (in review)
Cereus × smithii Pfeiff. Synonym L WCSP (in review)
Cereus sonorensis K.Schum. Unresolved L WCSP (in review)
Cereus spachianus Lem. Synonym L WCSP (in review)
Cereus spathulatus C.F. Först. Unresolved L TRO
Cereus speciosissimus (Desf.) Sweet Synonym M WCSP (in review)
Cereus speciosissimus (Desf.) DC. Synonym M TRO
Cereus speciosissimus var. albiflorus Rümpler Synonym L WCSP (in review)
Cereus speciosissimus var. aurantiacus Pfeiff. Synonym L WCSP (in review)
Cereus speciosissimus var. blindii Haage ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. bodii Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. bollwillerianus Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. bowtrianus Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. coccineus Rümpler Synonym L WCSP (in review)
Cereus speciosissimus var. colmariensis Haage ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. curtisii Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. danielsii Haage ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. devauxii Pfeiff. Synonym L WCSP (in review)
Cereus speciosissimus var. edesii Booth ex C.F.Först. Synonym L WCSP (in review)
Cereus speciosissimus var. elegans Booth ex C.F.Först. Synonym L WCSP (in review)
Cereus speciosissimus var. eugenia Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. finkii Salm-Dyck ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. gebvillerianus Haage ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. gloriosus Haage ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. grandiflorus Pfeiff. Synonym L WCSP (in review)
Cereus speciosissimus var. guillardieri Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. hansii Baumann ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. hitchensii Haage ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. hoveyi Rümpler Synonym L WCSP (in review)
Cereus speciosissimus var. ignescens Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. jenkinsonii (Sweet) Pfeiff. Synonym L WCSP (in review)
Cereus speciosissimus var. kampmannii Haage ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. kiardii Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. kobii Salm-Dyck ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. lateritius Pfeiff. Synonym L WCSP (in review)
Cereus speciosissimus var. latifrons Salm-Dyck ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. longipes Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. lothii Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. loudonii Salm-Dyck ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. macqueanus Salm-Dyck ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. maelenii Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. maurantianus Booth ex C.F.Först. Synonym L WCSP (in review)
Cereus speciosissimus var. merckii Booth ex C.F.Först. Synonym L WCSP (in review)
Cereus speciosissimus var. mexicanus Salm-Dyck ex Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. mittleri Salm-Dyck ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. muhlhausianus Haage ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. peacocki Rümpler Synonym L WCSP (in review)
Cereus speciosissimus var. peintneri Haage ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. rintzii Salm-Dyck ex C.F.Först Synonym L WCSP (in review)
Cereus speciosissimus var. roidii Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. sarniensis Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. seidelii Booth ex C.F.Först. Synonym L WCSP (in review)
Cereus speciosissimus var. seitzii C.F.Först. Synonym L WCSP (in review)
Cereus speciosissimus var. selloii C.F.Först. Synonym L WCSP (in review)
Cereus speciosissimus var. smithii C.F.Först. Synonym L WCSP (in review)
Cereus speciosissimus var. superbus Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. suwaroffi Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. triumphans C.F.Först. Synonym L WCSP (in review)
Cereus speciosissimus var. unduliflorus Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. vandesii Walp. Synonym L WCSP (in review)
Cereus speciosissimus var. vitellinus Walp. Synonym L WCSP (in review)
Cereus speciosus (Cav.) Sweet Synonym M WCSP (in review)
Cereus speciosus Cav. Synonym M TRO
Cereus speciosus var. amecamensis (Heese) A.Berger Synonym L WCSP (in review)
Cereus speciosus var. amecamensis (Heese in Rother) Weing. Synonym L TRO
Cereus speciosus var. coccineus K.Schum. Synonym L WCSP (in review)
Cereus spegazzinii F.A.C.Weber Accepted L WCSP (in review)
Cereus spegazzinii var. ebenacanthus (F.Ritter) P.J.Braun & Esteves Synonym L WCSP (in review)
Cereus spegazzinii var. hassleri Weing. Synonym L WCSP (in review)
Cereus speggazzini F.A.C. Weber Unresolved L TRO
Cereus spinibarbis Pfeiff. Synonym M WCSP (in review)
Cereus spinibarbis var. flavidus Labour. Synonym L WCSP (in review)
Cereus spinibarbis var. minor Monv. ex Labour. Synonym L WCSP (in review)
Cereus spinibarbis var. purpureus Monv. ex Labour. Synonym L WCSP (in review)
Cereus spinosissimus C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Cereus spinulosus DC. Synonym L WCSP (in review)
Cereus splendens Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus splendidus (Paxton) Steud. Unresolved L WCSP (in review)
Cereus squamosus Gürke Synonym L WCSP (in review)
Cereus squamulosus Salm-Dyck ex DC. Synonym M WCSP (in review)
Cereus squarrosus Vaupel Synonym M WCSP (in review)
Cereus steckmannii Jacobi Unresolved L TRO
Cereus stellatus Pfeiff. Unresolved L WCSP (in review)
Cereus stenogonus K.Schum. Accepted L WCSP (in review)
Cereus stenopterus A.Weber Unresolved L WCSP (in review)
Cereus stolonifer F.A.C. Weber ex K. Schum. Unresolved L TRO
Cereus stramineus Engelm. Synonym M WCSP (in review)
Cereus straussii (Heese) Vaupel Unresolved L WCSP (in review)
Cereus striatus Brandegee Unresolved L WCSP (in review)
Cereus strictus DC. Synonym M WCSP (in review)
Cereus strigosus Salm-Dyck Synonym M WCSP (in review)
Cereus strigosus var. intricatus (Salm-Dyck) F.A.C.Weber ex K.Schum. Synonym L WCSP (in review)
Cereus strigosus var. longispinus C.A.Maass Synonym L WCSP (in review)
Cereus strigosus var. rufispinus Hook.f. Synonym L WCSP (in review)
Cereus subinermis Hemsl. Synonym M WCSP (in review)
Cereus subintortus Salm-Dyck ex C.F.Först [Unplaced] Unresolved L WCSP (in review)
Cereus subintortus var. flavispinus Salm-Dyck ex C.F.Först Synonym L WCSP (in review)
Cereus sublanatus Salm-Dyck Unresolved L WCSP (in review)
Cereus subrepandus Haw. [Unplaced] Unresolved L WCSP (in review)
Cereus subrepandus Pfeiff. [Illegitimate] Unresolved L WCSP (in review)
Cereus subsquamatus Pfeiff. Unresolved L WCSP (in review)
Cereus subtortuosus C.F.Först. Synonym L WCSP (in review)
Cereus subuliferus Salm-Dyck [Unplaced] Unresolved L WCSP (in review)
Cereus superbus Ehrenb. [Unplaced] Unresolved L WCSP (in review)
Cereus surinamensis Trew Unresolved L TRO
Cereus swartzii Griseb. Synonym M WCSP (in review)
Cereus syringacanthus Pfeiff. Unresolved L TRO
Cereus syringscanthus Pfeiff. Synonym M WCSP (in review)
Cereus tacaquirensis Vaupel Synonym M WCSP (in review)
Cereus tacuaralensis Cárdenas Accepted M WCSP (in review)
Cereus tacuaremboensis (Arechav.) Herter Unresolved L WCSP (in review)
Cereus tapacalaensis Backeb. [Unplaced] Unresolved L WCSP (in review)
Cereus tarijensis Vaupel Synonym M WCSP (in review)
Cereus taylorii (Britton) Vaupel Unresolved L WCSP (in review)
Cereus tehuacanensis Roezl Unresolved L WCSP (in review)
Cereus tehuacanus Roezl [Unplaced] Unresolved L WCSP (in review)
Cereus tehuacanus (Weing.) Werderm. [Illegitimate] Unresolved L WCSP (in review)
Cereus tellii Griseb. Unresolved L TRO
Cereus tenellus Salm-Dyck ex Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus tenuis DC. Synonym M WCSP (in review)
Cereus tenuis Pfeiff. [Illegitimate] Synonym L WCSP (in review)
Cereus tenuispinus Haw. Synonym M WCSP (in review)
Cereus tephracanthus Link & Otto ex Steud. [Invalid] Unresolved L WCSP (in review)
Cereus tephracanthus var. bolivianus F.A.C.Weber ex K.Schum. Unresolved L WCSP (in review)
Cereus terscheckii Parm. ex Pfeiff. Synonym L WCSP (in review)
Cereus testudo Karw. ex Zucc. Synonym L WCSP (in review)
Cereus tetazo J.M. Coult. Synonym M TRO
Cereus tetazo Weber ex Coulter. Synonym M TRO
Cereus tetetzo F.A.C.Weber ex J.M.Coult. Synonym M WCSP (in review)
Cereus tetracanthus Labour. Unresolved L WCSP (in review)
Cereus tetragonus (L.) Mill. Synonym M WCSP (in review)
Cereus tetragonus var. major Salm-Dyck ex Walp. Synonym L WCSP (in review)
Cereus tetragonus var. minor Salm-Dyck Synonym L WCSP (in review)
Cereus tetragonus var. ramosior Link & Otto Synonym L WCSP (in review)
Cereus thalassinus Otto & A.Dietr. Synonym M WCSP (in review)
Cereus thalassinus var. quadrangularis C.F.Först. Synonym L WCSP (in review)
Cereus thelegonoides Speg. Synonym L WCSP (in review)
Cereus thelegonus F.A.C.Weber ex K.Schum. Synonym M WCSP (in review)
Cereus thouarsii F.A.C.Weber Unresolved L WCSP (in review)
Cereus thurberi Engelm. Unresolved L WCSP (in review)
Cereus thurberi var. littoralis K.Brandegee Unresolved L WCSP (in review)
Cereus tilophorus Pfeiff. Unresolved L WCSP (in review)
Cereus tilophorus Pfeiff. ex Labour. Synonym L TRO
Cereus tinei Tod. [Unplaced] Unresolved L WCSP (in review)
Cereus titan Engelm. ex J.M.Coult. Synonym M WCSP (in review)
Cereus tominensis Weing. Synonym M WCSP (in review)
Cereus tonduzii F.A.C.Weber Unresolved L WCSP (in review)
Cereus tonelianus Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus torrellianus Miers Unresolved L TRO
Cereus tortuosus F.B.Forbes ex Otto & Dietr. [Illegitimate] Unresolved L WCSP (in review)
Cereus tortus C.F. Först. Unresolved L TRO
Cereus torulosus Werderm. [Unplaced] Unresolved L WCSP (in review)
Cereus treleasei (Rose) Vaupel Unresolved L WCSP (in review)
Cereus triangularis Mill. Unresolved L WCSP (in review)
Cereus triangularis Haw. [Illegitimate] Synonym M WCSP (in review)
Cereus triangularis f. guatemalensis (Britton & Rose) Eichlam ex Schelle Unresolved L WCSP (in review)
Cereus trichacanthus Salm-Dyck Synonym L WCSP (in review)
Cereus trichocentrus C.F. Först. Unresolved L TRO
Cereus tricostatus Rol.-Goss. Synonym M WCSP (in review)
Cereus triglochidiatus Engelm. Synonym L WCSP (in review)
Cereus trigonodendron K.Schum. ex Vaupel Accepted M WCSP (in review)
Cereus trigonus Haw. Synonym M WCSP (in review)
Cereus trigonus Pfeiff. [Illegitimate] Synonym L WCSP (in review)
Cereus trigonus var. costaricensis (Britton & Rose) F.A.C.Weber Synonym L WCSP (in review)
Cereus trigonus var. guatemalensis Eichlam Synonym L WCSP (in review)
Cereus trigonus var. quadrangularis Haw. Synonym L WCSP (in review)
Cereus trinitatensis Lem. & Herm. Synonym M WCSP (in review)
Cereus tripteris Salm-Dyck ex DC. [Unplaced] Unresolved L WCSP (in review)
Cereus triqueter Haw. [Unplaced] Unresolved L WCSP (in review)
Cereus trollii Kupper Unresolved L WCSP (in review)
Cereus truncatus (Haw.) Sweet Synonym M WCSP (in review)
Cereus truncatus var. altensteinii Salm-Dyck Synonym L WCSP (in review)
Cereus tuberosus Pfeiff. [Unplaced] Unresolved L WCSP (in review)
Cereus tuberosus Poselg. [Illegitimate] Synonym M WCSP (in review)
Cereus tubiflorus Pfeiff. Synonym M WCSP (in review)
Cereus tubiflorus Endl. Unresolved L WCSP (in review)
Cereus tunilla F.A.C.Weber Unresolved L WCSP (in review)
Cereus tupizensis Vaupel Synonym L WCSP (in review)
Cereus turbinatus Pfeiff. Synonym M WCSP (in review)
Cereus tweediei Hook. Synonym L WCSP (in review)
Cereus tweedyanus (Britton & Rose) Werderm. Unresolved L WCSP (in review)
Cereus ulei (K.Schum.) A.Berger Synonym M WCSP (in review)
Cereus ulei (K.Schum.) Luetzelb. [Illegitimate] Synonym M WCSP (in review)
Cereus undatus Haw. Synonym M WCSP (in review)
Cereus undatus Pfeiff. Synonym M WCSP (in review)
Cereus undiflorus C.Wright [Unplaced] Unresolved L WCSP (in review)
Cereus undulatus Pfeiff. Synonym M WCSP (in review)
Cereus undulatus D.Dietr. Synonym M WCSP (in review)
Cereus undulatus DC. Synonym L TRO
Cereus undulosus DC. Synonym L WCSP (in review)
Cereus uranos B.Schulz Synonym M WCSP (in review)
Cereus uranus A. Gray Unresolved L TRO
Cereus urbanianus (K.Schum.) A.Berger Synonym M WCSP (in review)
Cereus urbanianus Gürke & Weing. [Illegitimate] Synonym M WCSP (in review)
Cereus ureacanthus C.F.Först. [Unplaced] Unresolved L WCSP (in review)
Cereus uruguayanus R. Kiesling Accepted M TRO
Cereus uspenski Haage Jr. ex Karl Hirscht Unresolved L TRO
Cereus vagans K.Brandegee Synonym L WCSP (in review)
Cereus validissimus F.A.C. Weber Unresolved L TRO
Cereus validus Haw. Synonym L WCSP (in review)
Cereus vargasianus Cárdenas Accepted M WCSP (in review)
Cereus variabilis Pfeiff. Synonym L WCSP (in review)
Cereus variabilis Engelm. [Illegitimate] Synonym M WCSP (in review)
Cereus variabilis var. glaucescens Salm-Dyck ex Walp. Synonym L WCSP (in review)
Cereus variabilis var. laetevirens Salm-Dyck ex Walp. Synonym L WCSP (in review)
Cereus variabilis var. micracanthus Salm-Dyck ex Walp. Synonym L WCSP (in review)
Cereus variabilis var. obtusus Walp. Synonym L WCSP (in review)
Cereus variabilis var. salm-dyckianus Walp. Synonym L WCSP (in review)
Cereus vasmerii Young Synonym M WCSP (in review)
Cereus vaupelii Weing. Synonym L WCSP (in review)
Cereus venditus Paulsen Synonym M WCSP (in review)
Cereus venezuelensis (Britton & Rose) Werderm. Synonym M WCSP (in review)
Cereus ventimigliae (Riccob.) Vaupel Synonym M WCSP (in review)
Cereus verschaffeltii Haage in Schumann Unresolved L TRO
Cereus versicolor Werderm. & Backeb. Unresolved L WCSP (in review)
Cereus versicolor var. humifusus Werderm. & Backeb. Unresolved L WCSP (in review)
Cereus versicolor var. xanthacanthus Werderm. & Backeb. Unresolved L WCSP (in review)
Cereus victoriensis Vaupel Unresolved L WCSP (in review)
Cereus violaceus Lem. [Unplaced] Unresolved L WCSP (in review)
Cereus viperinus A.A.Weber Unresolved L WCSP (in review)
Cereus virens DC. [Unplaced] Unresolved L WCSP (in review)
Cereus viridiflorus Engelm. Synonym M WCSP (in review)
Cereus viridiflorus var. cylindricus Engelm. Synonym L WCSP (in review)
Cereus viridiflorus var. minor Engelm. Synonym L WCSP (in review)
Cereus viridiflorus var. tubulosus J.M.Coult. Synonym L WCSP (in review)
Cereus vulcan Müll. Arg. Unresolved L TRO
Cereus vulnerator Cortés Unresolved L TRO
Cereus warmingii K.Schum. [Unplaced] Unresolved L WCSP (in review)
Cereus weberbaueri K.Schum. ex Vaupel [Unplaced] Unresolved L WCSP (in review)
Cereus weberi J.M.Coult. Synonym M WCSP (in review)
Cereus weingartianus Hartm. [Unplaced] Unresolved L WCSP (in review)
Cereus weingartianus A.Berger [Illegitimate] Unresolved L WCSP (in review)
Cereus wercklei A.Weber Unresolved L WCSP (in review)
Cereus wittii K.Schum. Synonym M WCSP (in review)
Cereus xanthocarpus K.Schum. Unresolved L WCSP (in review)
Cereus xanthochaetus Rchb. [Unplaced] Unresolved L WCSP (in review)
Cereus yucatanensis Standl. Synonym L WCSP (in review)
Cereus yunckeri Standl. Synonym M WCSP (in review)
Cereus yungasensis A.Fuentes & Quispe Accepted M WCSP (in review)
Cereus zehntneri (Britton & Rose) Luetzelb. Synonym L WCSP (in review)
Cereus ziczkaanus K. Schum. Unresolved L TRO
Cereus zizkaanus (K.Schum.) Schelle Synonym L WCSP (in review)