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. KieslingTrichocereus angelesii R. Kiesling, Darwiniana, 21 (2-4): 314, 1978
Trichocereus antezanae Cárdenas, Fuaux Herbarium Bulletin 5: 16, 1953Trichocereus arboricola M. Kimnach, Cactus and Succulent Journal [U. S. ] 62: 4, 1990
Trichocereus atacamensis (R. Philippi) W.T. Marshall & T. M.Bock, Cactaceae 94, 1941Trichocereus 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., 1935Trichocereus 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, 1920Trichocereus 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., 1937Trichocereus bruchii (Britt. & Rose) F. Ritter, Kakteen in Südamerika, 2: 450: 1980
Trichocereus bruchii v. brevispinus F. Ritter, Kakteen in Südamerika, 2: 450, 1980Trichocereus bruchii v. nivalis
Trichocereus bruchii v. rosarioanaTrichocereus cabrerae R. Kiesling, Hickenia, 1 (6): 30, 1976
Trichocereus callianthus F. Ritter, Kakteen in Südamerika, 2: 444, 1980Trichocereus camarguensis Cárdenas, Revista de Agricultura [Cochabamba] 8: 17, 1953
Trichocereus camarguensis v. nanusTrichocereus 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, 1920Trichocereus candicans f. rubriflorus F. Ritter, Kakteen in Südamerika, 2: 440, nom. nov.: 1980
Trichocereus candicans v. couranthiiTrichocereus 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: 1980Trichocereus candicans v. roseiflorus Backeberg, Descr. Cact. Nov. 3: 15., 1963
Trichocereus candicans v. tenuispinus (Pfeiffer) Backeberg, Cactus (Paris) no. 41: 107., 1954Trichocereus catamarcensis F. Ritter, Kakteen in Südamerika, 2: 451, nom. nov.: 1980
Trichocereus caulescens P. F. Ritter, Cactus, Paris, No. 87, 11., 1966Trichocereus cephalomacrostibas (Werdermann & Backeberg) Backeberg, Kaktus-ABC 201, 1935
Trichocereus cephalopasacanus Fric, Mollers Deutsch. GartnerZeit., 44. 169., 1929Trichocereus ceratistes (Otto) Kelsey & Dayton, Standard. Pl. Names (ed. 2), 78., 1942
Trichocereus chalaensis Rauh & Backeberg, Descriptiones Cactacearum Novarum 20, 1956Trichocereus 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, 1980Trichocereus chiloensis v. borealis F. Ritter, Kakteen in Südamerika, 3: 1109, 1980
Trichocereus chiloensis v. chiloensisTrichocereus chiloensis v. conjungens F. Ritter, Kakteen in Südamerika, 3: 1109, 1980
Trichocereus chiloensis v. eburneus (R. Philippi) W. T. MarshallTrichocereus chiloensis v. nigripilis (R. Philippi) Espinosa, Revista Chilena Hist. Nat. 41: 292., 1937
Trichocereus chiloensis v. panhoplitesTrichocereus chuquisacanus F. Ritter, Cactus, Paris, No. 87, 12., 1966
Trichocereus clavatus F. Ritter, Kakteen in Sudamerika 2: 564, 1980Trichocereus 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, 1920Trichocereus courantii (K. Schumann) Backeberg, Cactus, Paris, No. 41, 107; cf. Gray Herb. Card Cat., 1954
Trichocereus crassiarborescens F. RitterTrichocereus 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, 1920Trichocereus damazioi (K. Schumann) Werdermann, Bras. Saulenkakt. 94., 1933
Trichocereus deserticola (Werdermann) Backeberg, Kaktus-ABC 202, 1935Trichocereus eburneus
Trichocereus eremophilus F. Ritter, Kakteen in Sudamerika 2: 559, 1980Trichocereus escayachensis Cárdenas, Cact. & Succ. Journ. Amer. 35. 157., 1963
Trichocereus fabrisii R. Kiesling, Hickenia, 1 (6): 29, 1976Trichocereus fascicularis (Meyen) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 141-142, f. 205-207, 1920
Trichocereus fasciculatusTrichocereus formosus (Pfeiffer) F. Ritter, Kakteen in Südamerika, 2: 450: 1980
Trichocereus fulvilanus F. Ritter, Kakteen und Andere Sukkulenten 10: 165, 1962Trichocereus funkii A. Berger, Kakteen, 136, in obs., 346, 1929
Trichocereus gladiatus (Lemaire) Backeberg, Backeb. & F. M. Knuth, Kaktus-ABC, 202., 1935Trichocereus glaucus F. Ritter, Kakteen und Andere Sukkulenten 11: 180, 1962
Trichocereus glaucus v. pendens F. Ritter, Kakteen und Andere Sukkulenten 11: 180, 1962Trichocereus glaziovii (K. Schumann) Werdermann, Bras. Saulenkakt. 94, 1933
Trichocereus grandiflorus Backeberg, Kakteenlex. 438., 1966Trichocereus grandis (Britt. & Rose) F. Ritter, Kakteen in Südamerika, 2: 450: 1980
Trichocereus herzogianus Cárdenas, Fuaux Herbarium Bulletin 5: 19, 1953Trichocereus herzogianus v. totorensis Cárdenas, Fuaux Herbarium Bulletin 5: 21, 1953
Trichocereus huanucoensis H. JohnsonTrichocereus 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., 1926Trichocereus 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: 1980Trichocereus johnsonii Hutchison
Trichocereus knuthianus Backeberg, Succulenta (Netherlands) 3: 42, 1937Trichocereus 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, 1920Trichocereus litoralis (Johow) Looser, Revista Chilena de Historia Natural, 1929
Trichocereus lobivioides R. Gräser & F. Ritter, Kakteen in Südamerika, 2: 444, nom. nov.: 1980Trichocereus lobivioides grandiflorus
Trichocereus lobivioides purpureominiataTrichocereus 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., 1953Trichocereus microspermus (Werdermann & Backeberg) Borg, Cacti, 141, 1937
Trichocereus microsphaericus (K. Schumann) Kelsey & Dayton, Standard. Pl. Names (ed. 2), 78., 1942Trichocereus narvaecensis Cárdenas, Fuaux Herbarium Bulletin 5: 25, 1953
Trichocereus neolamprochlorus Backeberg, Cactac. Handb. Kakteenk. 2. 1126, 1959Trichocereus nigripilis (R. Philippi) Backeberg, Cactac. Handb. Kakteenk. 2. 1145, 1959
Trichocereus orurensis Cárdenas, Fuaux Herbarium Bulletin 5: 13, 1953Trichocereus orurensis v. albiflora
Trichocereus orurensis v. albiflorus Cárdenas, Fuaux Herbarium Bulletin 5: 16, 1953Trichocereus 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, 1981Trichocereus 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 pendensTrichocereus peruvianus Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 2: 136, f. 197, 1920
Trichocereus peruvianus fa. monstruosusTrichocereus poco Backeberg, Kaktus-ABC, 1935
Trichocereus poco v. albiflorus Cárdenas, Fuaux Herbarium Bulletin 5: 12, 1953Trichocereus poco v. fricianus Cárdenas, Fuaux Herbarium Bulletin 5: 11, 1953
Trichocereus pseudocandicans (Backeberg) R. Kiesling, Hickenia, 1 (6): 32, 1976Trichocereus puquiensis Rauh & Backeberg, Descriptiones Cactacearum Novarum 20, 1956
Trichocereus purpeominiataTrichocereus purpureopilosus Weing. in Backeberg & Kunth, Kaktus-ABC 204., 1934
Trichocereus quadratiumbonatus F. Ritter, Kakteen in Sudamerika 2: 566, 1980Trichocereus randallii Cárdenas, Cact. & Succ. Journ. Amer. 35. 158., 1963
Trichocereus riomizquensis F. Ritter, Kakteen in Sudamerika 2: 563, 1980Trichocereus rivierei (Backeberg) Krainz, Stadtische Sukkulentensammlung Zurich, Katalog, 115 (1967),
Trichocereus rondonianus (Backebergebg & Voll) Kelsey & Dayton, Standard. Pl. Names (ed. 2), 78., 1942Trichocereus rowleyi (Friedr.) R. Kiesling, Darwiniana, 21 (2-4): 295, 1978
Trichocereus rubinghianus Backeberg, Descr. Cact. Nov. 3. 15., 1963Trichocereus santaensis Rauh & Backeberg, Descriptiones Cactacearum Novarum 20, 1956
Trichocereus santiaguensis (Spegazzini) Backeberg, Cactac. Handb. Kakteenk. 2. 1107, 1959Trichocereus 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., 1958Trichocereus scopulicola F. Ritter, Cactus (Paris) 21 (87): 14, 1966
Trichocereus serenanus Y. Ito, The Cactaceae: 166, without type, 1981Trichocereus 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, 1950Trichocereus skottsbergii v. breviatus Backeberg, Descr. Cact. Nov. 20., 1956
Trichocereus skottsbergii v. skottsbergiiTrichocereus 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, 1909Trichocereus 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, 1920Trichocereus 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, 1937Trichocereus tacaquirensis (D. Vaupel) Cárdenas ex Backeberg, Cactac. Handb. Kakteenk. 2. 1107, 1959
Trichocereus tacnaensis F. Ritter, Kakteen in Sudamerika 4: 1326, 1981Trichocereus taquimbalensis Cárdenas, Revista de Agricultura [Cochabamba] 8: 16, 1953
Trichocereus taquimbalensis v. wilkeae Backeberg, Descr. Cact. Nov. 20., 1956Trichocereus taratensis Cárdenas, Nat. Cact. & Succ. Journ. 21. 15., 1966
Trichocereus tarijensis (D. Vaupel) Werdermann, Kakteenkunde 1940: 7, 1940Trichocereus 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: 1980Trichocereus 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., 1980Trichocereus tarmaensis Rauh & Backeberg, Descriptiones Cactacearum Novarum 20, 1956
Trichocereus tenuiarboreus F. RitterTrichocereus tenuispinus F. Ritter, Cactus, Paris, No. 88, 27., 1967
Trichocereus tephracanthus (Link & Otto) Borg, Cacti, 137, 1937Trichocereus 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. montanusTrichocereus 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, 1920Trichocereus 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, 1981Trichocereus totorensis (Cárdenas) F. Ritter, Kakteen in Südamerika, 2: 562: 1980
Trichocereus totorensis bertramianaTrichocereus trichosus Cárdenas, Cactus (Paris) 57: 249, 1957
Trichocereus tropicusTrichocereus tulhuayacensis Ochoa ex Backeberg, Kakteen und Andere Sukkulenten 8: 106, 1957
Trichocereus tunariensis Cárdenas, Cactus (Paris) 64: 160, 1959Trichocereus uebelmannianus (Lembcke & Backeberg) F. Ritter, Kakteen in Sudamerika 3: 116, 1980
Trichocereus uyupampensis Backeberg, Kaktus-ABC 205, 412, 1935Trichocereus 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, 1974Trichocereus vatteri R. Kiesling, Hickenia, 1 (6): 31, 1976
Trichocereus volcanensis F. Ritter, Kakteen in Südamerika, 2: 448, 1980Trichocereus vollianus Backeberg, Kaktus-ABC 205, 412, 1935
Trichocereus vollianus v. rubrispinus Backeberg, Kaktus-ABC 206, 412., 1935Trichocereus walteri (R. Kiesling) J.G. Lambert, Cactus d'Argentine, ed. 2: 321: 1998
Trichocereus werdermannianus Backeberg, Kaktus-ABC 206, 412, 1935