Trichocereus (A. Berger) Riccobono, Bollettino delle r. Orto Botanico e Giardino Coloniale di Palermo 8: 236, 1909

Trichocereus andalgalensis (A. Weber ex K. Schumann) Hosseus, Arch. Esc. Farm. Cienc. Med. Cordoba, No. 9 (Not. Cact. Argent. I.) 69 (1939), in obs.,

Trichocereus andalgalensis v. auricolor (Backeberg) F. Ritter, Kakteen in Südamerika, 2: 438, without basionym page: 1980

Trichocereus angelesiae R. Kiesling 

Trichocereus angelesii R. Kiesling, Darwiniana, 21 (2-4): 314, 1978

Trichocereus antezanae Cárdenas, Fuaux Herbarium Bulletin 5: 16, 1953

Trichocereus arboricola M. Kimnach, Cactus and Succulent Journal [U. S. ] 62: 4, 1990

Trichocereus atacamensis (R. Philippi) W.T. Marshall & T. M.Bock, Cactaceae 94, 1941

Trichocereus atacamensis v. pasacana (F. A. C. Weber) F. Ritter, Kakteen Südamerika 2: 447., 1980

Trichocereus auricolor Backeberg, Backeb. & F. M. Knuth, Kaktus-ABC, 200, 412., 1935

Trichocereus bertramianus Backeberg, Kaktus-ABC 200, 1935

Trichocereus bridgesii (Salm-Dyck) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 134, 1920

Trichocereus bridgesii v. brevispinus Borg, The Cactaceae; descriptions and illustrations of plants of the cactus family 138, 1937

Trichocereus bridgesii v. longispinus (Maass) Borg, Cacti (Borg) 138., 1937

Trichocereus bruchii (Britt. & Rose) F. Ritter, Kakteen in Südamerika, 2: 450: 1980

Trichocereus bruchii v. brevispinus F. Ritter, Kakteen in Südamerika, 2: 450, 1980

Trichocereus bruchii v. nivalis  

Trichocereus bruchii v. rosarioana  

Trichocereus cabrerae R. Kiesling, Hickenia, 1 (6): 30, 1976

Trichocereus callianthus F. Ritter, Kakteen in Südamerika, 2: 444, 1980

Trichocereus camarguensis Cárdenas, Revista de Agricultura [Cochabamba] 8: 17, 1953

Trichocereus camarguensis v. nanus  

Trichocereus campos-portoi Werdermann, Bras. Saulenkakt. 94-95, 1933

Trichocereus candicans (K. Schumann) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 142-143, f. 195, 1920

Trichocereus candicans f. rubriflorus F. Ritter, Kakteen in Südamerika, 2: 440, nom. nov.: 1980

Trichocereus candicans v. couranthii 

Trichocereus candicans v. gladiatus (Lemaire) Y. Ito, The Cactaceae: 161, without basionym ref.: 1981

Trichocereus candicans v. nitens (S.-D.) F. Ritter, Kakteen in Südamerika, 2: 443, basionym page 354: 1980

Trichocereus candicans v. roseiflorus Backeberg, Descr. Cact. Nov. 3: 15., 1963

Trichocereus candicans v. tenuispinus (Pfeiffer) Backeberg, Cactus (Paris) no. 41: 107., 1954

Trichocereus catamarcensis F. Ritter, Kakteen in Südamerika, 2: 451, nom. nov.: 1980

Trichocereus caulescens P. F. Ritter, Cactus, Paris, No. 87, 11., 1966

Trichocereus cephalomacrostibas (Werdermann & Backeberg) Backeberg, Kaktus-ABC 201, 1935

Trichocereus cephalopasacanus Fric, Mollers Deutsch. GartnerZeit., 44. 169., 1929

Trichocereus ceratistes (Otto) Kelsey & Dayton, Standard. Pl. Names (ed. 2), 78., 1942

Trichocereus chalaensis Rauh & Backeberg, Descriptiones Cactacearum Novarum 20, 1956

Trichocereus chiloensis (Colla) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 137-139, f. 199-200, 1920

Trichocereus chiloensis v. australis F. Ritter, Kakteen in Südamerika, 3: 1108, 1980

Trichocereus chiloensis v. borealis F. Ritter, Kakteen in Südamerika, 3: 1109, 1980

Trichocereus chiloensis v. chiloensis  

Trichocereus chiloensis v. conjungens F. Ritter, Kakteen in Südamerika, 3: 1109, 1980

Trichocereus chiloensis v. eburneus (R. Philippi) W. T. Marshall 

Trichocereus chiloensis v. nigripilis (R. Philippi) Espinosa, Revista Chilena Hist. Nat. 41: 292., 1937

Trichocereus chiloensis v. panhoplites  

Trichocereus chuquisacanus F. Ritter, Cactus, Paris, No. 87, 12., 1966

Trichocereus clavatus F. Ritter, Kakteen in Sudamerika 2: 564, 1980

Trichocereus conaconensis Cárdenas, Fuaux Herbarium Bulletin 5: 24, 1953

Trichocereus coquimbanus (Molina) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 139-140, f. 201-202, 1920

Trichocereus courantii (K. Schumann) Backeberg, Cactus, Paris, No. 41, 107; cf. Gray Herb. Card Cat., 1954

Trichocereus crassiarborescens F. Ritter 

Trichocereus crassicostatus F. Ritter, Cactus, Paris, No. 87, 13., 1966

Trichocereus cuzcoensis Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 136, 1920

Trichocereus damazioi (K. Schumann) Werdermann, Bras. Saulenkakt. 94., 1933

Trichocereus deserticola (Werdermann) Backeberg, Kaktus-ABC 202, 1935

Trichocereus eburneus  

Trichocereus eremophilus F. Ritter, Kakteen in Sudamerika 2: 559, 1980

Trichocereus escayachensis Cárdenas, Cact. & Succ. Journ. Amer. 35. 157., 1963

Trichocereus fabrisii R. Kiesling, Hickenia, 1 (6): 29, 1976

Trichocereus fascicularis (Meyen) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 141-142, f. 205-207, 1920

Trichocereus fasciculatus  

Trichocereus formosus (Pfeiffer) F. Ritter, Kakteen in Südamerika, 2: 450: 1980

Trichocereus fulvilanus F. Ritter, Kakteen und Andere Sukkulenten 10: 165, 1962

Trichocereus funkii A. Berger, Kakteen, 136, in obs., 346, 1929

Trichocereus gladiatus (Lemaire) Backeberg, Backeb. & F. M. Knuth, Kaktus-ABC, 202., 1935

Trichocereus glaucus F. Ritter, Kakteen und Andere Sukkulenten 11: 180, 1962

Trichocereus glaucus v. pendens F. Ritter, Kakteen und Andere Sukkulenten 11: 180, 1962

Trichocereus glaziovii (K. Schumann) Werdermann, Bras. Saulenkakt. 94, 1933

Trichocereus grandiflorus Backeberg, Kakteenlex. 438., 1966

Trichocereus grandis (Britt. & Rose) F. Ritter, Kakteen in Südamerika, 2: 450: 1980

Trichocereus herzogianus Cárdenas, Fuaux Herbarium Bulletin 5: 19, 1953

Trichocereus herzogianus v. totorensis Cárdenas, Fuaux Herbarium Bulletin 5: 21, 1953

Trichocereus huanucoensis H. Johnson 

Trichocereus huascha (F.A.C. Weber) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 142f. 208-210, 1920

Trichocereus huascha v. flaviflora Hoss, Revista Centro Estud. Farm. 2, no. 6: reprint p. 20., 1926

Trichocereus huascha v. pecheretianus (Backebergg.) R. Kiesling, Darwiniana, 21 (2-4): 299, 1978

Trichocereus ingens (Britt. & Rose ex Backeberg) F. Ritter, Kakteen in Südamerika, 2: 451: 1980

Trichocereus johnsonii Hutchison 

Trichocereus knuthianus Backeberg, Succulenta (Netherlands) 3: 42, 1937

Trichocereus korethroides (Werdermann) F. Ritter, Kakteen in Südamerika, 2: 451: 1980

Trichocereus lamprochlorus (Lemaire) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 132-133, f. 192, 1920

Trichocereus litoralis (Johow) Looser, Revista Chilena de Historia Natural, 1929

Trichocereus lobivioides R. Gräser & F. Ritter, Kakteen in Südamerika, 2: 444, nom. nov.: 1980

Trichocereus lobivioides grandiflorus  

Trichocereus lobivioides purpureominiata 

Trichocereus macrogonus (Salm-Dyck) Riccobono, Bollettino delle r. Orto Botanico e Giardino Coloniale di Palermo 8: 236, 1909

Trichocereus manguinii Backeberg, Cactus, Paris, No. 35, 147; cf. Gray Herb. Card Cat., 1953

Trichocereus microspermus (Werdermann & Backeberg) Borg, Cacti, 141, 1937

Trichocereus microsphaericus (K. Schumann) Kelsey & Dayton, Standard. Pl. Names (ed. 2), 78., 1942

Trichocereus narvaecensis Cárdenas, Fuaux Herbarium Bulletin 5: 25, 1953

Trichocereus neolamprochlorus Backeberg, Cactac. Handb. Kakteenk. 2. 1126, 1959

Trichocereus nigripilis (R. Philippi) Backeberg, Cactac. Handb. Kakteenk. 2. 1145, 1959

Trichocereus orurensis Cárdenas, Fuaux Herbarium Bulletin 5: 13, 1953

Trichocereus orurensis v. albiflora 

Trichocereus orurensis v. albiflorus Cárdenas, Fuaux Herbarium Bulletin 5: 16, 1953

Trichocereus pachanoi Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 134-135, f. 196, 1920

Trichocereus pachanoi f. peruvianus (Britton & Rose) F. Ritter, Kakteen in Sudamerika 4: 1324, 1981

Trichocereus pachanoi f. peruvianus 

Trichocereus pasacana (F.A.C. Weber) Friedrich & G.D. Rowley, Cact. (Britton & Rose) 2: 133, fig. 191, 193, 194. 1920,

Trichocereus pasacanus (F.A.C. Weber) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 133-134, f. 191, 193-194, 1920

Trichocereus pendens  

Trichocereus peruvianus Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 136, f. 197, 1920

Trichocereus peruvianus fa. monstruosus 

Trichocereus poco Backeberg, Kaktus-ABC, 1935

Trichocereus poco v. albiflorus Cárdenas, Fuaux Herbarium Bulletin 5: 12, 1953

Trichocereus poco v. fricianus Cárdenas, Fuaux Herbarium Bulletin 5: 11, 1953

Trichocereus pseudocandicans (Backeberg) R. Kiesling, Hickenia, 1 (6): 32, 1976

Trichocereus puquiensis Rauh & Backeberg, Descriptiones Cactacearum Novarum 20, 1956

Trichocereus purpeominiata 

Trichocereus purpureopilosus Weing. in Backeberg & Kunth, Kaktus-ABC 204., 1934

Trichocereus quadratiumbonatus F. Ritter, Kakteen in Sudamerika 2: 566, 1980

Trichocereus randallii Cárdenas, Cact. & Succ. Journ. Amer. 35. 158., 1963

Trichocereus riomizquensis F. Ritter, Kakteen in Sudamerika 2: 563, 1980

Trichocereus rivierei (Backeberg) Krainz, Stadtische Sukkulentensammlung Zurich, Katalog, 115 (1967),

Trichocereus rondonianus (Backebergebg & Voll) Kelsey & Dayton, Standard. Pl. Names (ed. 2), 78., 1942

Trichocereus rowleyi (Friedr.) R. Kiesling, Darwiniana, 21 (2-4): 295, 1978

Trichocereus rubinghianus Backeberg, Descr. Cact. Nov. 3. 15., 1963

Trichocereus santaensis Rauh & Backeberg, Descriptiones Cactacearum Novarum 20, 1956

Trichocereus santiaguensis (Spegazzini) Backeberg, Cactac. Handb. Kakteenk. 2. 1107, 1959

Trichocereus schickendantzii (F.A.C. Weber) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 144, 1920

Trichocereus schoenii Rauh & Backeberg, Sitz. Heidelb. Akad. Wiss. 1958, 362; cf. Gray Herb. Card Cat., 1958

Trichocereus scopulicola F. Ritter, Cactus (Paris) 21 (87): 14, 1966

Trichocereus serenanus Y. Ito, The Cactaceae: 166, without type, 1981

Trichocereus shaferi Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 144, 1920

Trichocereus skottsbergii Backeberg, Acta Horti Gothoburgensis 18: 146, 1950

Trichocereus skottsbergii v. breviatus Backeberg, Descr. Cact. Nov. 20., 1956

Trichocereus skottsbergii v. skottsbergii 

Trichocereus smrzianus (Backeberg) F. Ritter, Kakteen in Südamerika, 2: 451, without basionym page, antedated by T. smrzianus (Backeb.) Backeb. (1966): 1980

Trichocereus spachianus (Lemaire) Riccobono, Bollettino delle r. Orto Botanico e Giardino Coloniale di Palermo 8: 237, 1909

Trichocereus spinibarbis (Otto ex Pfeiffer) F. Ritter, Kakteen und Andere Sukkulenten 212, 1965

Trichocereus strigosus (Salm-Dyck) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 143-144, f. 211, 1920

Trichocereus strigosus v. flaviflorus F. Ritter, Kakteen in Südamerika, 2: 440, 1980

Trichocereus strigosus v. longispinus (Maass) Borg, Cacti (Borg) 139. Cereus strigosus, var. longispinus Maass, 1937

Trichocereus tacaquirensis (D. Vaupel) Cárdenas ex Backeberg, Cactac. Handb. Kakteenk. 2. 1107, 1959

Trichocereus tacnaensis F. Ritter, Kakteen in Sudamerika 4: 1326, 1981

Trichocereus taquimbalensis Cárdenas, Revista de Agricultura [Cochabamba] 8: 16, 1953

Trichocereus taquimbalensis v. wilkeae Backeberg, Descr. Cact. Nov. 20., 1956

Trichocereus taratensis Cárdenas, Nat. Cact. & Succ. Journ. 21. 15., 1966

Trichocereus tarijensis (D. Vaupel) Werdermann, Kakteenkunde 1940: 7, 1940

Trichocereus tarijensis v. densispinus F. Ritter, Kakteen in Südamerika, 2: 449, 1980

Trichocereus tarijensis v. orurensis (Cárdenas) F. Ritter, Kakteen in Südamerika, 2: 560, without basionym page: 1980

Trichocereus tarijensis v. poco (Backeberg) F. Ritter, Kakteen in Südamerika, 2: 560, without basionym page: 1980

Trichocereus tarikensis v. densispinus F. Ritter, Kakteen Südamerika 2: 449., 1980

Trichocereus tarmaensis Rauh & Backeberg, Descriptiones Cactacearum Novarum 20, 1956

Trichocereus tenuiarboreus F. Ritter 

Trichocereus tenuispinus F. Ritter, Cactus, Paris, No. 88, 27., 1967

Trichocereus tephracanthus (Link & Otto) Borg, Cacti, 137, 1937

Trichocereus terscheckii (Parm. ex Pfeiffer) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 140-141, f. 203-204, 1920

Trichocereus terscheckii v. montanus  

Trichocereus terscheckioides F. Ritter, Kakteen in Südamerika, 2: 446, 1980

Trichocereus thelegonoides (Spegazzini) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 131, 1920

Trichocereus thelegonus (F.A.C. Weber ex K. Schumann) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 130-131, f. 188-189, 1920

Trichocereus torataensis F. Ritter, Kakteen in Sudamerika 4: 1325, 1981

Trichocereus totorensis (Cárdenas) F. Ritter, Kakteen in Südamerika, 2: 562: 1980

Trichocereus totorensis bertramiana  

Trichocereus trichosus Cárdenas, Cactus (Paris) 57: 249, 1957

Trichocereus tropicus  

Trichocereus tulhuayacensis Ochoa ex Backeberg, Kakteen und Andere Sukkulenten 8: 106, 1957

Trichocereus tunariensis Cárdenas, Cactus (Paris) 64: 160, 1959

Trichocereus uebelmannianus (Lembcke & Backeberg) F. Ritter, Kakteen in Sudamerika 3: 116, 1980

Trichocereus uyupampensis Backeberg, Kaktus-ABC 205, 412, 1935

Trichocereus validus (Monville ex Salm-Dyck) Backeberg, Cactus, Paris, No. 46-47, 265; cf. Gray Herb. Card Cat., 1955

Trichocereus vasquezii W. Rausch, Kakteen und Andere Sukkulenten 25 (9): 193, 1974

Trichocereus vatteri R. Kiesling, Hickenia, 1 (6): 31, 1976

Trichocereus volcanensis F. Ritter, Kakteen in Südamerika, 2: 448, 1980

Trichocereus vollianus Backeberg, Kaktus-ABC 205, 412, 1935

Trichocereus vollianus v. rubrispinus Backeberg, Kaktus-ABC 206, 412., 1935

Trichocereus walteri (R. Kiesling) J.G. Lambert, Cactus d'Argentine, ed. 2: 321: 1998

Trichocereus werdermannianus Backeberg, Kaktus-ABC 206, 412, 1935