Acanthocalycium Backeb. Kaktus-ABC: 224, 412. 1936. [wfo-4000000096]synonym Curvoacanthocactus Guiggi Coll. Cact. Savona 14 (2025) [wfo-4100005786] A. glaucum F.Ritter in Taxon 13: 143. 1964. [wfo-0000513063]homotypic Acanthocalycium thionanthum subsp. glaucum (F.Ritter) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430014] homotypic Echinopsis thionantha subsp. glauca (F.Ritter) M.Lowry in Cactaceae Syst. Init. 19: 12. 2005. [wfo-0000662382] homotypic Lobivia thionantha var. glauca (F.Ritter) Rausch Lobivia 85: 156. 1987. [wfo-0001260824] synonym Acanthocalycium thionanthum subsp. glaucum (F.Ritter) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430014]basionym Acanthocalycium glaucum F.Ritter in Taxon 13: 143. 1964. [wfo-0000513063] homotypic Echinopsis thionantha subsp. glauca (F.Ritter) M.Lowry in Cactaceae Syst. Init. 19: 12. 2005. [wfo-0000662382] homotypic Lobivia thionantha var. glauca (F.Ritter) Rausch Lobivia 85: 156. 1987. [wfo-0001260824] synonym Echinopsis glaucina H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 95. 1974. [wfo-0000662125] synonym Echinopsis thionantha subsp. glauca (F.Ritter) M.Lowry in Cactaceae Syst. Init. 19: 12. 2005. [wfo-0000662382]basionym Acanthocalycium glaucum F.Ritter in Taxon 13: 143. 1964. [wfo-0000513063] homotypic Acanthocalycium thionanthum subsp. glaucum (F.Ritter) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430014] homotypic Lobivia thionantha var. glauca (F.Ritter) Rausch Lobivia 85: 156. 1987. [wfo-0001260824] synonym Lobivia thionantha var. glauca (F.Ritter) Rausch Lobivia 85: 156. 1987. [wfo-0001260824]basionym Acanthocalycium glaucum F.Ritter in Taxon 13: 143. 1964. [wfo-0000513063] homotypic Acanthocalycium thionanthum subsp. glaucum (F.Ritter) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430014] homotypic Echinopsis thionantha subsp. glauca (F.Ritter) M.Lowry in Cactaceae Syst. Init. 19: 12. 2005. [wfo-0000662382] A. klimpelianum (Weidlich & Werderm.) Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513066]basionym Echinopsis klimpeliana Weidlich & Werderm. in Z. Sukkulentenk. 3: 175. 1928. [wfo-0000662162] homotypic Lobivia klimpeliana (Weidlich & Werderm.) A.Berger Kakteen: 196. 1929. [wfo-0000358195] homotypic Lobivia spiniflora var. klimpeliana (Weidlich & Werderm.) Rausch Lobivia 85: 157. 1987. [wfo-0001260808] synonym Echinopsis klimpeliana Weidlich & Werderm. in Z. Sukkulentenk. 3: 175. 1928. [wfo-0000662162]homotypic Acanthocalycium klimpelianum (Weidlich & Werderm.) Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513066] homotypic Lobivia klimpeliana (Weidlich & Werderm.) A.Berger Kakteen: 196. 1929. [wfo-0000358195] homotypic Lobivia spiniflora var. klimpeliana (Weidlich & Werderm.) Rausch Lobivia 85: 157. 1987. [wfo-0001260808] synonym Lobivia klimpeliana (Weidlich & Werderm.) A.Berger Kakteen: 196. 1929. [wfo-0000358195]basionym Echinopsis klimpeliana Weidlich & Werderm. in Z. Sukkulentenk. 3: 175. 1928. [wfo-0000662162] homotypic Acanthocalycium klimpelianum (Weidlich & Werderm.) Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513066] homotypic Lobivia spiniflora var. klimpeliana (Weidlich & Werderm.) Rausch Lobivia 85: 157. 1987. [wfo-0001260808] synonym Lobivia spiniflora var. klimpeliana (Weidlich & Werderm.) Rausch Lobivia 85: 157. 1987. [wfo-0001260808]basionym Echinopsis klimpeliana Weidlich & Werderm. in Z. Sukkulentenk. 3: 175. 1928. [wfo-0000662162] homotypic Acanthocalycium klimpelianum (Weidlich & Werderm.) Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513066] homotypic Lobivia klimpeliana (Weidlich & Werderm.) A.Berger Kakteen: 196. 1929. [wfo-0000358195] A. leucanthum (Gillies ex Salm-Dyck) Schlumpb. in Cactaceae Syst. Init. 28: 29. 2012. [wfo-0001430008]basionym Echinocactus leucanthus Gillies ex Salm-Dyck Hort. Dyck.: 341. 1834. [wfo-0000660613] homotypic Cereus leucanthus (Gillies ex Salm-Dyck) Pfeiff. Enum. Diagn. Cact.: 71. 1837. [wfo-0000597301] homotypic Echinopsis leucantha (Gillies ex Salm-Dyck) Walp. Repert. Bot. Syst. 2: 324. 1843. [wfo-0000662174] synonym Cereus campylacanthus (Pfeiff. & Otto) Mottet Dict. Prat. Hort. 1: 582. 1892–1893. [wfo-0001430327]homotypic Echinopsis campylacantha Pfeiff. & Otto Abbild. Beschr. Cact. 1: t. 4. 1838. [wfo-0000662004] synonym Cereus incurvispinus Otto & A.Dietr. in Allg. Gartenzeitung 3: 244. 1835. [wfo-0000597232] synonym Cereus leucanthus (Gillies ex Salm-Dyck) Pfeiff. Enum. Diagn. Cact.: 71. 1837. [wfo-0000597301]basionym Echinocactus leucanthus Gillies ex Salm-Dyck Hort. Dyck.: 341. 1834. [wfo-0000660613] homotypic Acanthocalycium leucanthum (Gillies ex Salm-Dyck) Schlumpb. in Cactaceae Syst. Init. 28: 29. 2012. [wfo-0001430008] homotypic Echinopsis leucantha (Gillies ex Salm-Dyck) Walp. Repert. Bot. Syst. 2: 324. 1843. [wfo-0000662174] synonym Curvoacanthocactus leucanthus (Gillies ex Salm-Dyck) Guiggi Coll. Cact. Savona 28 (2025) [wfo-1000081524] synonym Echinocactus leucanthus Gillies ex Salm-Dyck Hort. Dyck.: 341. 1834. [wfo-0000660613]homotypic Acanthocalycium leucanthum (Gillies ex Salm-Dyck) Schlumpb. in Cactaceae Syst. Init. 28: 29. 2012. [wfo-0001430008] homotypic Cereus leucanthus (Gillies ex Salm-Dyck) Pfeiff. Enum. Diagn. Cact.: 71. 1837. [wfo-0000597301] homotypic Echinopsis leucantha (Gillies ex Salm-Dyck) Walp. Repert. Bot. Syst. 2: 324. 1843. [wfo-0000662174] synonym Echinocactus salpigophorus (Lem. ex Salm-Dyck) Pfeiff. ex Labour. Monogr. Cactaceae: 302. 1853. [wfo-0000660894] synonym Echinonyctanthus leucanthus (Zucc. ex Pfeiff.) Lem. Cact. Gen. Sp. Nov.: 85. 1839. [wfo-0000661828] synonym Echinopsis baldiana Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 490. 1905. [wfo-0000661980] synonym Echinopsis campylacantha Pfeiff. & Otto Abbild. Beschr. Cact. 1: t. 4. 1838. [wfo-0000662004]basionym Cereus campylacanthus (Pfeiff. & Otto) Mottet Dict. Prat. Hort. 1: 582. 1892–1893. [wfo-0001430327] synonym Echinopsis campylacantha var. leucantha Labour. Monogr. Cactaceae: 305. 1853. [wfo-0000738939] synonym Echinopsis campylacantha var. stylodes Monv. ex Labour. Monogr. Cactaceae: 305. 1853. [wfo-0000738940] synonym Echinopsis cordobensis Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 489. 1905. [wfo-0000662034] synonym Echinopsis gladispina Y.Itô Explan. Diagr. Austroechinocactinae: 68. 1957. [wfo-0000662122] synonym Echinopsis intricatissima Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 491. 1905. [wfo-0000662159] synonym Echinopsis leucantha (Gillies ex Salm-Dyck) Walp. Repert. Bot. Syst. 2: 324. 1843. [wfo-0000662174]basionym Echinocactus leucanthus Gillies ex Salm-Dyck Hort. Dyck.: 341. 1834. [wfo-0000660613] homotypic Acanthocalycium leucanthum (Gillies ex Salm-Dyck) Schlumpb. in Cactaceae Syst. Init. 28: 29. 2012. [wfo-0001430008] homotypic Cereus leucanthus (Gillies ex Salm-Dyck) Pfeiff. Enum. Diagn. Cact.: 71. 1837. [wfo-0000597301] synonym Echinopsis leucantha var. brasiliensis Speg. in Anales Soc. Ci. Argent. 99: 120. 1925. [wfo-0000662175] synonym Echinopsis leucantha var. volliana Backeb. Descr. Cact. Nov. 1: 28. 1957. [wfo-0000662177] synonym Echinopsis melanopotamica Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 492. 1905. [wfo-0000662197] synonym Echinopsis molesta Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 490. 1905. [wfo-0000662207] synonym Echinopsis shaferi Britton & Rose Cactaceae 3: 69. 1922. [wfo-0000662341] synonym Echinopsis simplex Niedt in Allg. Gartenzeitung 25: 238. 1857. [wfo-0000662344] synonym Echinopsis spegazziniana Britton & Rose Cactaceae 3: 69. 1922. [wfo-0000662350] synonym Melocactus ambiguus Pfeiff. in Allg. Gartenzeitung 1: 364. 1833. [wfo-0000369342] synonym Melocactus elegans Pfeiff. in Allg. Gartenzeitung 3: 244. 1835. [wfo-0000375374] A. rhodotrichum (K.Schum.) Schlumpb. in Cactaceae Syst. Init. 28: 29. 2012. [wfo-0001430009]basionym Echinopsis rhodotricha K.Schum. in Monatsschr. Kakteenk. 10: 147. 1900. [wfo-0000662296] homotypic Acanthocalycium rhodotricum (K.Schum.) Schlumpb. in Cactaceae Syst. Init. 28: 29. 2012. [wfo-0001430011] synonym Acanthocalycium rhodotricum (K.Schum.) Schlumpb. in Cactaceae Syst. Init. 28: 29. 2012. [wfo-0001430011]basionym Echinopsis rhodotricha K.Schum. in Monatsschr. Kakteenk. 10: 147. 1900. [wfo-0000662296] homotypic Acanthocalycium rhodotrichum (K.Schum.) Schlumpb. in Cactaceae Syst. Init. 28: 29. 2012. [wfo-0001430009] synonym Cereus validissimus F.A.C.Weber Dict. Hort.: 473. 1896. [wfo-0001288364] synonym Curvoacanthocactus rhodotrichus (K.Schum.) Guiggi Coll. Cact. Savona 14 (2025) [wfo-1000081522] synonym Echinocactus forbesii Lehm. in Repert. Bot. Syst. 2: 319. 1843. [wfo-0000660423] synonym Echinopsis chacoana var. spinosior F.Ritter in Succulenta (Netherlands) 44: 26. 1965. [wfo-0000662015]homotypic Echinopsis rhodotricha var. spinosior (F.Ritter) F.Ritter Kakteen Südamerika 1: 262. 1979. [wfo-0000662303] synonym Echinopsis forbesii A.Dietr. in Allg. Gartenzeitung 17: 193. 1849. [wfo-0000662107]homotypic Echinopsis pentlandii var. forbesii (A.Dietr.) Rud.Mey. in Monatsschr. Kakteenk. 7: 155. 1897. [wfo-0000662254] homotypic Echinopsis pentlandii var. forbesii (A.Dietr.) Hildm. in Monatsschr. Kakteenk. 20: 180. 1910. [wfo-0001034393] homotypic Lobivia pentlandii var. forbesii (A.Dietr.) Y.Itô ex Backeb. Cactaceae 3: 1383. 1959. [wfo-0001431602] synonym Echinopsis pentlandii var. forbesii (A.Dietr.) Hildm. in Monatsschr. Kakteenk. 20: 180. 1910. [wfo-0001034393]basionym Echinopsis forbesii A.Dietr. in Allg. Gartenzeitung 17: 193. 1849. [wfo-0000662107] homotypic Echinopsis pentlandii var. forbesii (A.Dietr.) Rud.Mey. in Monatsschr. Kakteenk. 7: 155. 1897. [wfo-0000662254] homotypic Lobivia pentlandii var. forbesii (A.Dietr.) Y.Itô ex Backeb. Cactaceae 3: 1383. 1959. [wfo-0001431602] synonym Echinopsis pentlandii var. forbesii (A.Dietr.) Rud.Mey. in Monatsschr. Kakteenk. 7: 155. 1897. [wfo-0000662254]basionym Echinopsis forbesii A.Dietr. in Allg. Gartenzeitung 17: 193. 1849. [wfo-0000662107] homotypic Echinopsis pentlandii var. forbesii (A.Dietr.) Hildm. in Monatsschr. Kakteenk. 20: 180. 1910. [wfo-0001034393] homotypic Lobivia pentlandii var. forbesii (A.Dietr.) Y.Itô ex Backeb. Cactaceae 3: 1383. 1959. [wfo-0001431602] synonym Echinopsis rhodotricha K.Schum. in Monatsschr. Kakteenk. 10: 147. 1900. [wfo-0000662296]homotypic Acanthocalycium rhodotrichum (K.Schum.) Schlumpb. in Cactaceae Syst. Init. 28: 29. 2012. [wfo-0001430009] homotypic Acanthocalycium rhodotricum (K.Schum.) Schlumpb. in Cactaceae Syst. Init. 28: 29. 2012. [wfo-0001430011] synonym Echinopsis rhodotricha var. argentinensis Rud.Mey. in Monatsschr. Kakteenk. 21: 188. 1911. [wfo-0000662297] synonym Echinopsis rhodotricha var. brevispina F.Ritter Kakteen Südamerika 1: 263. 1979. [wfo-0000662298] synonym Echinopsis rhodotricha var. robusta Rud.Mey. in Monatsschr. Kakteenk. 24: 113. 1914. [wfo-0000662301] synonym Echinopsis rhodotricha var. roseiflora K.Schum. in Bull. Herb. Boissier, sér. 2, 3: 251. 1903. [wfo-0000662302] synonym Echinopsis rhodotricha var. spinosior (F.Ritter) F.Ritter Kakteen Südamerika 1: 262. 1979. [wfo-0000662303]basionym Echinopsis chacoana var. spinosior F.Ritter in Succulenta (Netherlands) 44: 26. 1965. [wfo-0000662015] synonym Echinopsis robinsoniana Werderm. Repert. Spec. Nov. Regni Veg. Sonderbeih. C: t. 80. 1934. [wfo-0000662308] synonym Echinopsis spegazzinii K.Schum. ex Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 488. 1905. [wfo-0000662351] synonym Echinopsis valida var. forbesii Rud.Mey. in Monatsschr. Kakteenk. 5: 133. 1895. [wfo-0000662404] synonym Lobivia pentlandii var. forbesii (A.Dietr.) Y.Itô ex Backeb. Cactaceae 3: 1383. 1959. [wfo-0001431602]basionym Echinopsis forbesii A.Dietr. in Allg. Gartenzeitung 17: 193. 1849. [wfo-0000662107] homotypic Echinopsis pentlandii var. forbesii (A.Dietr.) Rud.Mey. in Monatsschr. Kakteenk. 7: 155. 1897. [wfo-0000662254] homotypic Echinopsis pentlandii var. forbesii (A.Dietr.) Hildm. in Monatsschr. Kakteenk. 20: 180. 1910. [wfo-0001034393] A. rhodotrichum subsp. chacoanum (Schütz) Schlumpb. Willdenowia 51(2): 264 (2021) [wfo-0001434675]basionym Echinopsis chacoana Schütz in Kaktusář. Listy 17: 1. 1949. [wfo-0000662014] homotypic Echinopsis rhodotricha var. chacoana (Schütz) F.Ritter Kakteen Südamerika 1: 263. 1979. [wfo-0000662299] homotypic Echinopsis rhodotricha subsp. chacoana (Schütz) P.J.Braun & Esteves in Succulenta (Netherlands) 74(3): 130. 1995. [wfo-0000662300] synonym Acanthocalycium klinglerianum (Cárdenas) Lodé [wfo-1000065053] synonym Curvoacanthocactus rhodotrichus subsp. chacoanus (Schütz) Guiggi Coll. Cact. Savona 28 (2025) [wfo-1200113099] synonym Echinopsis chacoana Schütz in Kaktusář. Listy 17: 1. 1949. [wfo-0000662014]homotypic Acanthocalycium rhodotrichum subsp. chacoanum (Schütz) Schlumpb. Willdenowia 51(2): 264 (2021) [wfo-0001434675] homotypic Echinopsis rhodotricha var. chacoana (Schütz) F.Ritter Kakteen Südamerika 1: 263. 1979. [wfo-0000662299] homotypic Echinopsis rhodotricha subsp. chacoana (Schütz) P.J.Braun & Esteves in Succulenta (Netherlands) 74(3): 130. 1995. [wfo-0000662300] synonym Echinopsis klingleriana Cárdenas in Cactus (Paris) 85: 109. 1965. [wfo-0000662163] synonym Echinopsis rhodotricha subsp. chacoana (Schütz) P.J.Braun & Esteves in Succulenta (Netherlands) 74(3): 130. 1995. [wfo-0000662300]basionym Echinopsis chacoana Schütz in Kaktusář. Listy 17: 1. 1949. [wfo-0000662014] homotypic Acanthocalycium rhodotrichum subsp. chacoanum (Schütz) Schlumpb. Willdenowia 51(2): 264 (2021) [wfo-0001434675] homotypic Echinopsis rhodotricha var. chacoana (Schütz) F.Ritter Kakteen Südamerika 1: 263. 1979. [wfo-0000662299] synonym Echinopsis rhodotricha var. chacoana (Schütz) F.Ritter Kakteen Südamerika 1: 263. 1979. [wfo-0000662299]basionym Echinopsis chacoana Schütz in Kaktusář. Listy 17: 1. 1949. [wfo-0000662014] homotypic Acanthocalycium rhodotrichum subsp. chacoanum (Schütz) Schlumpb. Willdenowia 51(2): 264 (2021) [wfo-0001434675] homotypic Echinopsis rhodotricha subsp. chacoana (Schütz) P.J.Braun & Esteves in Succulenta (Netherlands) 74(3): 130. 1995. [wfo-0000662300] A. rhodotrichum subsp. rhodotrichum [wfo-0001430010]synonym Echinopsis meyeri Heese in Gartenflora 56: 1. 1907. [wfo-0000662199] synonym Echinopsis minuana Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 488. 1905. [wfo-0000662202] A. spiniflorum (K.Schum.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513070]basionym Echinocactus spiniflorus K.Schum. Gesamtbeschr. Kakt., Nachtr. 1: 88. 1903. [wfo-0000660971] homotypic Echinopsis spiniflora (K.Schum.) A.Berger Kakteen: 193. 1929. [wfo-0000662354] homotypic Lobivia spiniflora (K.Schum.) Rausch Lobivia 85: 157. 1987. [wfo-0001260807] synonym Acanthocalycium klimpelianum var. macranthum (Rausch) J.G.Lamb. Cactus Argentine: 9. 1998. [wfo-0000513067]basionym Lobivia spiniflora var. macrantha Rausch Lobivia 85: 158. 1987. [wfo-0001260809] synonym Acanthocalycium peitscherianum Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513069]homotypic Acanthocalycium spiniflorum f. peitscherianum (Backeb.) Donald in Ashingtonia 1: 116. 1975. [wfo-0001430012] homotypic Echinopsis peitscherana (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 97. 1974. [wfo-0000662248] homotypic Lobivia spiniflora var. peitscheriana (Backeb.) Rausch Lobivia 85: 158. 1987. [wfo-0001260810] synonym Acanthocalycium spiniflorum f. peitscherianum (Backeb.) Donald in Ashingtonia 1: 116. 1975. [wfo-0001430012]basionym Acanthocalycium peitscherianum Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513069] homotypic Echinopsis peitscherana (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 97. 1974. [wfo-0000662248] homotypic Lobivia spiniflora var. peitscheriana (Backeb.) Rausch Lobivia 85: 158. 1987. [wfo-0001260810] synonym Acanthocalycium spiniflorum f. violaceum (Werderm.) Donald in Ashingtonia 1: 116. 1975. [wfo-0001430013]basionym Echinopsis violacea Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 262. 1931. [wfo-0000662408] homotypic Acanthocalycium violaceum (Werderm.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513073] homotypic Lobivia spiniflora var. violacea (Werderm.) Rausch Lobivia 85: 157. 1987. [wfo-0001260811] synonym Acanthocalycium variiflorum Backeb. Kakteenlex.: 57. 1966. [wfo-0000513072] synonym Acanthocalycium violaceum (Werderm.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513073]basionym Echinopsis violacea Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 262. 1931. [wfo-0000662408] homotypic Acanthocalycium spiniflorum f. violaceum (Werderm.) Donald in Ashingtonia 1: 116. 1975. [wfo-0001430013] homotypic Lobivia spiniflora var. violacea (Werderm.) Rausch Lobivia 85: 157. 1987. [wfo-0001260811] synonym Echinocactus spiniflorus K.Schum. Gesamtbeschr. Kakt., Nachtr. 1: 88. 1903. [wfo-0000660971]homotypic Acanthocalycium spiniflorum (K.Schum.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513070] homotypic Echinopsis spiniflora (K.Schum.) A.Berger Kakteen: 193. 1929. [wfo-0000662354] homotypic Lobivia spiniflora (K.Schum.) Rausch Lobivia 85: 157. 1987. [wfo-0001260807] synonym Echinopsis peitscherana (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 97. 1974. [wfo-0000662248]basionym Acanthocalycium peitscherianum Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513069] homotypic Acanthocalycium spiniflorum f. peitscherianum (Backeb.) Donald in Ashingtonia 1: 116. 1975. [wfo-0001430012] homotypic Lobivia spiniflora var. peitscheriana (Backeb.) Rausch Lobivia 85: 158. 1987. [wfo-0001260810] synonym Echinopsis spiniflora (K.Schum.) A.Berger Kakteen: 193. 1929. [wfo-0000662354]basionym Echinocactus spiniflorus K.Schum. Gesamtbeschr. Kakt., Nachtr. 1: 88. 1903. [wfo-0000660971] homotypic Acanthocalycium spiniflorum (K.Schum.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513070] homotypic Lobivia spiniflora (K.Schum.) Rausch Lobivia 85: 157. 1987. [wfo-0001260807] synonym Echinopsis violacea Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 262. 1931. [wfo-0000662408]homotypic Acanthocalycium spiniflorum f. violaceum (Werderm.) Donald in Ashingtonia 1: 116. 1975. [wfo-0001430013] homotypic Acanthocalycium violaceum (Werderm.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513073] homotypic Lobivia spiniflora var. violacea (Werderm.) Rausch Lobivia 85: 157. 1987. [wfo-0001260811] synonym Lobivia spiniflora (K.Schum.) Rausch Lobivia 85: 157. 1987. [wfo-0001260807]basionym Echinocactus spiniflorus K.Schum. Gesamtbeschr. Kakt., Nachtr. 1: 88. 1903. [wfo-0000660971] homotypic Acanthocalycium spiniflorum (K.Schum.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513070] homotypic Echinopsis spiniflora (K.Schum.) A.Berger Kakteen: 193. 1929. [wfo-0000662354] synonym Lobivia spiniflora var. macrantha Rausch Lobivia 85: 158. 1987. [wfo-0001260809]homotypic Acanthocalycium klimpelianum var. macranthum (Rausch) J.G.Lamb. Cactus Argentine: 9. 1998. [wfo-0000513067] synonym Lobivia spiniflora var. peitscheriana (Backeb.) Rausch Lobivia 85: 158. 1987. [wfo-0001260810]basionym Acanthocalycium peitscherianum Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513069] homotypic Acanthocalycium spiniflorum f. peitscherianum (Backeb.) Donald in Ashingtonia 1: 116. 1975. [wfo-0001430012] homotypic Echinopsis peitscherana (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 97. 1974. [wfo-0000662248] synonym Lobivia spiniflora var. violacea (Werderm.) Rausch Lobivia 85: 157. 1987. [wfo-0001260811]basionym Echinopsis violacea Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 262. 1931. [wfo-0000662408] homotypic Acanthocalycium spiniflorum f. violaceum (Werderm.) Donald in Ashingtonia 1: 116. 1975. [wfo-0001430013] homotypic Acanthocalycium violaceum (Werderm.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513073] A. thionanthum (Speg.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513071]basionym Echinocactus thionanthus Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 499. 1905. [wfo-0000661021] homotypic Echinopsis thionantha (Speg.) D.R.Hunt in Bradleya 5: 92. 1987. [wfo-0000662380] homotypic Echinopsis thionantha (Speg.) Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 264. 1931. [wfo-0001255797] homotypic Lobivia thionantha (Speg.) Britton & Rose Cactaceae 3: 57–58, f. 74. 1922. [wfo-0000358119] homotypic Lobivia thionanthus (Speg.) Britton & Rose Cactaceae 3: 57–58, f. 74. 1922. [wfo-0001257589] synonym Acanthocalycium aurantiacum Rausch in Kakteen And. Sukk. 19(5): 92. 1968 [wfo-0000513056]homotypic Echinopsis aurantiaca (Rausch) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 94. 1974. [wfo-0000661960] homotypic Lobivia thionantha var. aurantiaca (Rausch) Rausch Lobivia 85: 156. 1987. [wfo-0001260818] synonym Acanthocalycium brevispinum F.Ritter in Taxon 13: 144. 1964. [wfo-0000513057]homotypic Echinopsis brevispina (F.Ritter) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 94. 1974. [wfo-0000661988] homotypic Lobivia thionantha var. brevispina (F.Ritter) Rausch Lobivia 85: 153. 1987. [wfo-0001260819] synonym Acanthocalycium catamarcense F.Ritter Kakteen Südamerika 2: 465. 1980. [wfo-0000513059]homotypic Lobivia thionantha var. catamarcensis (F.Ritter) Rausch Lobivia 85: 156. 1987. [wfo-0001260820] synonym Acanthocalycium chionanthum (Speg.) Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513060]basionym Echinocactus chionanthus Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 499. 1905. [wfo-0000660271] homotypic Echinopsis chionantha (Speg.) Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 264. 1931. [wfo-0000662024] homotypic Lobivia chionanthus (Speg.) Britton & Rose Cactaceae 3: 58. 1922. [wfo-0001257590] homotypic Lobivia thionantha var. chionantha (Speg.) Rausch Lobivia 85: 156. 1987. [wfo-0001260821] synonym Acanthocalycium griseum Backeb. Descr. Cact. Nov. 3: 5. 1963. [wfo-0000513064] synonym Echinocactus chionanthus Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 499. 1905. [wfo-0000660271]homotypic Acanthocalycium chionanthum (Speg.) Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513060] homotypic Echinopsis chionantha (Speg.) Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 264. 1931. [wfo-0000662024] homotypic Lobivia chionanthus (Speg.) Britton & Rose Cactaceae 3: 58. 1922. [wfo-0001257590] homotypic Lobivia thionantha var. chionantha (Speg.) Rausch Lobivia 85: 156. 1987. [wfo-0001260821] synonym Echinocactus thionanthus Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 499. 1905. [wfo-0000661021]homotypic Acanthocalycium thionanthum (Speg.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513071] homotypic Echinopsis thionantha (Speg.) D.R.Hunt in Bradleya 5: 92. 1987. [wfo-0000662380] homotypic Echinopsis thionantha (Speg.) Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 264. 1931. [wfo-0001255797] homotypic Lobivia thionantha (Speg.) Britton & Rose Cactaceae 3: 57–58, f. 74. 1922. [wfo-0000358119] homotypic Lobivia thionanthus (Speg.) Britton & Rose Cactaceae 3: 57–58, f. 74. 1922. [wfo-0001257589] synonym Echinopsis aurantiaca (Rausch) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 94. 1974. [wfo-0000661960]basionym Acanthocalycium aurantiacum Rausch in Kakteen And. Sukk. 19(5): 92. 1968 [wfo-0000513056] homotypic Lobivia thionantha var. aurantiaca (Rausch) Rausch Lobivia 85: 156. 1987. [wfo-0001260818] synonym Echinopsis brevispina (F.Ritter) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 94. 1974. [wfo-0000661988]basionym Acanthocalycium brevispinum F.Ritter in Taxon 13: 144. 1964. [wfo-0000513057] homotypic Lobivia thionantha var. brevispina (F.Ritter) Rausch Lobivia 85: 153. 1987. [wfo-0001260819] synonym Echinopsis chionantha (Speg.) Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 264. 1931. [wfo-0000662024]basionym Echinocactus chionanthus Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 499. 1905. [wfo-0000660271] homotypic Acanthocalycium chionanthum (Speg.) Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513060] homotypic Lobivia chionanthus (Speg.) Britton & Rose Cactaceae 3: 58. 1922. [wfo-0001257590] homotypic Lobivia thionantha var. chionantha (Speg.) Rausch Lobivia 85: 156. 1987. [wfo-0001260821] synonym Echinopsis thionantha (Speg.) D.R.Hunt in Bradleya 5: 92. 1987. [wfo-0000662380]basionym Echinocactus thionanthus Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 499. 1905. [wfo-0000661021] homotypic Acanthocalycium thionanthum (Speg.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513071] homotypic Echinopsis thionantha (Speg.) Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 264. 1931. [wfo-0001255797] homotypic Lobivia thionantha (Speg.) Britton & Rose Cactaceae 3: 57–58, f. 74. 1922. [wfo-0000358119] homotypic Lobivia thionanthus (Speg.) Britton & Rose Cactaceae 3: 57–58, f. 74. 1922. [wfo-0001257589] synonym Echinopsis thionantha (Speg.) Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 264. 1931. [wfo-0001255797]basionym Echinocactus thionanthus Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 499. 1905. [wfo-0000661021] homotypic Acanthocalycium thionanthum (Speg.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513071] homotypic Echinopsis thionantha (Speg.) D.R.Hunt in Bradleya 5: 92. 1987. [wfo-0000662380] homotypic Lobivia thionantha (Speg.) Britton & Rose Cactaceae 3: 57–58, f. 74. 1922. [wfo-0000358119] homotypic Lobivia thionanthus (Speg.) Britton & Rose Cactaceae 3: 57–58, f. 74. 1922. [wfo-0001257589] synonym Lobivia chionanthus (Speg.) Britton & Rose Cactaceae 3: 58. 1922. [wfo-0001257590]basionym Echinocactus chionanthus Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 499. 1905. [wfo-0000660271] homotypic Acanthocalycium chionanthum (Speg.) Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513060] homotypic Echinopsis chionantha (Speg.) Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 264. 1931. [wfo-0000662024] homotypic Lobivia thionantha var. chionantha (Speg.) Rausch Lobivia 85: 156. 1987. [wfo-0001260821] synonym Lobivia thionantha (Speg.) Britton & Rose Cactaceae 3: 57–58, f. 74. 1922. [wfo-0000358119]basionym Echinocactus thionanthus Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 499. 1905. [wfo-0000661021] homotypic Acanthocalycium thionanthum (Speg.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513071] homotypic Echinopsis thionantha (Speg.) D.R.Hunt in Bradleya 5: 92. 1987. [wfo-0000662380] homotypic Echinopsis thionantha (Speg.) Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 264. 1931. [wfo-0001255797] homotypic Lobivia thionanthus (Speg.) Britton & Rose Cactaceae 3: 57–58, f. 74. 1922. [wfo-0001257589] synonym Lobivia thionantha var. aurantiaca (Rausch) Rausch Lobivia 85: 156. 1987. [wfo-0001260818]basionym Acanthocalycium aurantiacum Rausch in Kakteen And. Sukk. 19(5): 92. 1968 [wfo-0000513056] homotypic Echinopsis aurantiaca (Rausch) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 94. 1974. [wfo-0000661960] synonym Lobivia thionantha var. brevispina (F.Ritter) Rausch Lobivia 85: 153. 1987. [wfo-0001260819]basionym Acanthocalycium brevispinum F.Ritter in Taxon 13: 144. 1964. [wfo-0000513057] homotypic Echinopsis brevispina (F.Ritter) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 94. 1974. [wfo-0000661988] synonym Lobivia thionantha var. catamarcensis (F.Ritter) Rausch Lobivia 85: 156. 1987. [wfo-0001260820]basionym Acanthocalycium catamarcense F.Ritter Kakteen Südamerika 2: 465. 1980. [wfo-0000513059] synonym Lobivia thionantha var. chionantha (Speg.) Rausch Lobivia 85: 156. 1987. [wfo-0001260821]basionym Echinocactus chionanthus Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 499. 1905. [wfo-0000660271] homotypic Acanthocalycium chionanthum (Speg.) Backeb. Kaktus-ABC: 225. 1936. [wfo-0000513060] homotypic Echinopsis chionantha (Speg.) Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 264. 1931. [wfo-0000662024] homotypic Lobivia chionanthus (Speg.) Britton & Rose Cactaceae 3: 58. 1922. [wfo-0001257590] synonym Lobivia thionantha var. erythrantha Rausch Lobivia 85: 155. 1987. [wfo-0001260822] synonym Lobivia thionanthus (Speg.) Britton & Rose Cactaceae 3: 57–58, f. 74. 1922. [wfo-0001257589]basionym Echinocactus thionanthus Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 499. 1905. [wfo-0000661021] homotypic Acanthocalycium thionanthum (Speg.) Backeb. Kaktus-ABC: 226. 1936. [wfo-0000513071] homotypic Echinopsis thionantha (Speg.) D.R.Hunt in Bradleya 5: 92. 1987. [wfo-0000662380] homotypic Echinopsis thionantha (Speg.) Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 264. 1931. [wfo-0001255797] homotypic Lobivia thionantha (Speg.) Britton & Rose Cactaceae 3: 57–58, f. 74. 1922. [wfo-0000358119] A. thionanthum subsp. ferrarii (Rausch) Schlumpb. in Willdenowia 51: 264. 2021. [wfo-0001434676]basionym Acanthocalycium ferrarii Rausch in Succulenta (Netherlands) 55: 82. 1976. [wfo-0000513061] homotypic Echinopsis thionantha subsp. ferrarii (Rausch) M.Lowry in Cactaceae Syst. Init. 14: 14. 2002. [wfo-0001430867] homotypic Lobivia thionantha var. ferrarii (Rausch) Rausch Lobivia 85: 156. 1987. [wfo-0001260823] synonym Acanthocalycium ferrarii Rausch in Succulenta (Netherlands) 55: 82. 1976. [wfo-0000513061]homotypic Acanthocalycium thionanthum subsp. ferrarii (Rausch) Schlumpb. in Willdenowia 51: 264. 2021. [wfo-0001434676] homotypic Echinopsis thionantha subsp. ferrarii (Rausch) M.Lowry in Cactaceae Syst. Init. 14: 14. 2002. [wfo-0001430867] homotypic Lobivia thionantha var. ferrarii (Rausch) Rausch Lobivia 85: 156. 1987. [wfo-0001260823] synonym Acanthocalycium thionanthum var. munitum (Rausch) J.G.Lamb. Cact. d'Argentine ed. 2: 16 (1998) [wfo-0001430015]basionym Lobivia thionantha var. munita Rausch Lobivia 85: 154. 1987. [wfo-0001260825] synonym Echinopsis thionantha subsp. ferrarii (Rausch) M.Lowry in Cactaceae Syst. Init. 14: 14. 2002. [wfo-0001430867]basionym Acanthocalycium ferrarii Rausch in Succulenta (Netherlands) 55: 82. 1976. [wfo-0000513061] homotypic Acanthocalycium thionanthum subsp. ferrarii (Rausch) Schlumpb. in Willdenowia 51: 264. 2021. [wfo-0001434676] homotypic Lobivia thionantha var. ferrarii (Rausch) Rausch Lobivia 85: 156. 1987. [wfo-0001260823] synonym Lobivia thionantha var. ferrarii (Rausch) Rausch Lobivia 85: 156. 1987. [wfo-0001260823]basionym Acanthocalycium ferrarii Rausch in Succulenta (Netherlands) 55: 82. 1976. [wfo-0000513061] homotypic Acanthocalycium thionanthum subsp. ferrarii (Rausch) Schlumpb. in Willdenowia 51: 264. 2021. [wfo-0001434676] homotypic Echinopsis thionantha subsp. ferrarii (Rausch) M.Lowry in Cactaceae Syst. Init. 14: 14. 2002. [wfo-0001430867] synonym Lobivia thionantha var. munita Rausch Lobivia 85: 154. 1987. [wfo-0001260825]homotypic Acanthocalycium thionanthum var. munitum (Rausch) J.G.Lamb. Cact. d'Argentine ed. 2: 16 (1998) [wfo-0001430015] synonym Lobivia thionantha var. variiflora Rausch Lobivia 85: 156. 1987. [wfo-0001260826] Acanthocalycium: Unplaced Names
unknown Acanthocalycium hoevenii (Rausch) V.Gapon 11000 km Argentina Kaktusy 2: 95 (2024) [wfo-1000086228] unknown Acanthocalycium keuhhasii (Rausch) V.Gapon 11000 km Argentina Kaktusy 2: 95 (2024) [wfo-1000086229] unknown Acanthocalycium rhodotrichum subsp. chacoanum (Schütz) Lodé [wfo-1200116827] Acanthocereus (Engelm. ex A.Berger) Britton & Rose in Contr. U.S. Natl. Herb. 12: 432. 1909. [wfo-4000000104]basionym Cereus subsect. Acanthocereus Engelm. ex A.Berger in Rep. (Annual) Missouri Bot. Gard. 16: 77. 1905. [wfo-3000003217] synonym Cereus subsect. Acanthocereus Engelm. ex A.Berger in Rep. (Annual) Missouri Bot. Gard. 16: 77. 1905. [wfo-3000003217]homotypic Acanthocereus (Engelm. ex A.Berger) Britton & Rose in Contr. U.S. Natl. Herb. 12: 432. 1909. [wfo-4000000104] synonym Peniocereus subg. Pseudoacanthocereus Sánchez-Mej. in Cact. Suc. Mex. 19: 38. 1974. [wfo-3500004022] A. atropurpureus Gonz.-Zam. & Dan.Sánchez in Phytotaxa 522(2): 132. 2021. [wfo-0001302771] A. canoensis (P.R.House, Gómez-Hin. & H.M.Hern.) S.Arias & N.Korotkova in Phytotaxa 327(1): 18. 2017. [wfo-0001430017]basionym Peniocereus canoensis P.R.House, Gómez-Hin. & H.M.Hern. in Revista Mex. Biodivers. 84: 1077. 2013. [wfo-0001433619] synonym Peniocereus canoensis P.R.House, Gómez-Hin. & H.M.Hern. in Revista Mex. Biodivers. 84: 1077. 2013. [wfo-0001433619]homotypic Acanthocereus canoensis (P.R.House, Gómez-Hin. & H.M.Hern.) S.Arias & N.Korotkova in Phytotaxa 327(1): 18. 2017. [wfo-0001430017] A. castellae (Sánchez-Mej.) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430018]basionym Peniocereus castellae Sánchez-Mej. in Cact. Suc. Mex. 19(1): 12. 1974. [wfo-0001288349] synonym Peniocereus castellae Sánchez-Mej. in Cact. Suc. Mex. 19(1): 12. 1974. [wfo-0001288349]homotypic Acanthocereus castellae (Sánchez-Mej.) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430018] A. chiapensis Bravo in Cact. Suc. Mex. 17: 117. 1972. [wfo-0000513087]homotypic Peniocereus chiapensis (Bravo) Gómez-Hin. & H.M.Hern. in Revista Mex. Biodivers. 76(2): 131. 2005. [wfo-0000398524] synonym Acanthocereus griseus Backeb. in Cactus (Paris) 85: 106. 1965. [wfo-0000513090] synonym Peniocereus chiapensis (Bravo) Gómez-Hin. & H.M.Hern. in Revista Mex. Biodivers. 76(2): 131. 2005. [wfo-0000398524]basionym Acanthocereus chiapensis Bravo in Cact. Suc. Mex. 17: 117. 1972. [wfo-0000513087] A. cuixmalensis (Sánchez-Mej.) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430019]basionym Peniocereus cuixmalensis Sánchez-Mej. in Cact. Suc. Mex. 18: 91. 1973. [wfo-0001289114] synonym Peniocereus cuixmalensis Sánchez-Mej. in Cact. Suc. Mex. 18: 91. 1973. [wfo-0001289114]homotypic Acanthocereus cuixmalensis (Sánchez-Mej.) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430019] A. fosterianus (Cutak) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430020]basionym Peniocereus fosterianus Cutak in Cact. Succ. J. (Los Angeles) 18: 19. 1946. [wfo-0001288498] synonym Peniocereus fosterianus Cutak in Cact. Succ. J. (Los Angeles) 18: 19. 1946. [wfo-0001288498]homotypic Acanthocereus fosterianus (Cutak) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430020] synonym Peniocereus fosterianus var. multitepalum Sánchez-Mej. in Cact. Suc. Mex. 19(2): 50. 1974. [wfo-0001433620] synonym Peniocereus fosterianus var. nizandensis Sánchez-Mej. in Cact. Suc. Mex. 19(2): 49. 1974. [wfo-0001289926] A. haackeanus Backeb. ex Lodé in Int. Cact. Advent. 111-112: 66. 2016. [wfo-0001430021]synonym Neoevansia haackeana (Backeb.) Sánchez-Mej. in Cact. Suc. Mex. 18: 24. 1973. [wfo-0001432608] synonym Neoevansia haackiana (Backeb.) Sánchez-Mej. in Cact. Suc. Mex. 18: 24. 1973. [wfo-0000380063] synonym Peniocereus haackeanus Backeb. Descr. Cact. Nov. 3: 12. 1963. [wfo-0000398427] A. hesperius D.R.Hunt in Cactaceae Syst. Init. 34: 9. 2016. [wfo-0001430022]basionym Peniocereus occidentalis Bravo Cact. Suc. Mex. 8: 80. 1963. [wfo-0000398423] synonym Peniocereus occidentalis Bravo Cact. Suc. Mex. 8: 80. 1963. [wfo-0000398423]homotypic Acanthocereus hesperius D.R.Hunt in Cactaceae Syst. Init. 34: 9. 2016. [wfo-0001430022] synonym Peniocereus occidentalis Bravo ex S.Arias, U.Guzmán & Gama in Cact. Suc. Mex. 37: 75. 1992. [wfo-0000398424] A. hirschtianus (K.Schum.) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430023]basionym Cereus hirschtianus K.Schum. Gesamtbeschr. Kakt.: 130. 1897–1899. [wfo-0000597196] homotypic Nyctocereus hirschtianus (K.Schum.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 424. 1909. [wfo-0000378597] homotypic Peniocereus hirschtianus (K.Schum.) D.R.Hunt in Bradleya 9: 90. 1991. [wfo-0000398426] synonym Cereus guatemalensis (Britton & Rose) Vaupel in Monatsschr. Kakteenk. 23: 86, 88. 1913. [wfo-0000597169]basionym Nyctocereus guatemalensis Britton & Rose in Contr. U.S. Natl. Herb. 16: 240. 1913. [wfo-0000378598] homotypic Peniocereus guatemalensis (Britton & Rose) D.R.Hunt in Cactaceae Syst. Init. 21: 14. 2006. [wfo-0000507753] synonym Cereus hirschtianus K.Schum. Gesamtbeschr. Kakt.: 130. 1897–1899. [wfo-0000597196]homotypic Acanthocereus hirschtianus (K.Schum.) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430023] homotypic Nyctocereus hirschtianus (K.Schum.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 424. 1909. [wfo-0000378597] homotypic Peniocereus hirschtianus (K.Schum.) D.R.Hunt in Bradleya 9: 90. 1991. [wfo-0000398426] synonym Cereus neumannii K.Schum. in Bot. Jahrb. Syst. 29(1): 99. 1900. [wfo-0000597412]homotypic Nyctocereus neumannii (K.Schum. ex Loes.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 424. 1909. [wfo-0000378596] synonym Nyctocereus guatemalensis Britton & Rose in Contr. U.S. Natl. Herb. 16: 240. 1913. [wfo-0000378598]homotypic Cereus guatemalensis (Britton & Rose) Vaupel in Monatsschr. Kakteenk. 23: 86, 88. 1913. [wfo-0000597169] homotypic Peniocereus guatemalensis (Britton & Rose) D.R.Hunt in Cactaceae Syst. Init. 21: 14. 2006. [wfo-0000507753] synonym Nyctocereus hirschtianus (K.Schum.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 424. 1909. [wfo-0000378597]basionym Cereus hirschtianus K.Schum. Gesamtbeschr. Kakt.: 130. 1897–1899. [wfo-0000597196] homotypic Acanthocereus hirschtianus (K.Schum.) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430023] homotypic Peniocereus hirschtianus (K.Schum.) D.R.Hunt in Bradleya 9: 90. 1991. [wfo-0000398426] synonym Nyctocereus neumannii (K.Schum. ex Loes.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 424. 1909. [wfo-0000378596]basionym Cereus neumannii K.Schum. in Bot. Jahrb. Syst. 29(1): 99. 1900. [wfo-0000597412] synonym Peniocereus guatemalensis (Britton & Rose) D.R.Hunt in Cactaceae Syst. Init. 21: 14. 2006. [wfo-0000507753]basionym Nyctocereus guatemalensis Britton & Rose in Contr. U.S. Natl. Herb. 16: 240. 1913. [wfo-0000378598] homotypic Cereus guatemalensis (Britton & Rose) Vaupel in Monatsschr. Kakteenk. 23: 86, 88. 1913. [wfo-0000597169] synonym Peniocereus hirschtianus (K.Schum.) D.R.Hunt in Bradleya 9: 90. 1991. [wfo-0000398426]basionym Cereus hirschtianus K.Schum. Gesamtbeschr. Kakt.: 130. 1897–1899. [wfo-0000597196] homotypic Acanthocereus hirschtianus (K.Schum.) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430023] homotypic Nyctocereus hirschtianus (K.Schum.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 424. 1909. [wfo-0000378597] A. lempirensis H.Vega, Gómez-Hin. & H.M.Hern. Acta Bot. Mex. 130(e2233): 2 2023 [wfo-1000055515] A. lempirensis H.Vega, Gómez-Hin. & H.M.Hern. in Acta Bot. Mex. 130: e2233 [2]. 2023. [wfo-0001302935] A. macdougallii (Cutak) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430024]basionym Peniocereus macdougallii Cutak in Cact. Succ. J. (Los Angeles) 19: 87. 1947. [wfo-0001288350] synonym Peniocereus macdougallii Cutak in Cact. Succ. J. (Los Angeles) 19: 87. 1947. [wfo-0001288350]homotypic Acanthocereus macdougallii (Cutak) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013. [wfo-0001430024] synonym Peniocereus macdougallii var. centrispinus Backeb. Cactaceae 6: 3843. 1962. [wfo-0001433621] A. maculatus Weing. ex Bravo in Anales Inst. Biol. Univ. Nac. México 3: 398. 1933. [wfo-0001288604]basionym Cereus maculatus Weing. in Kakteenkunde: 14. 1933. [wfo-0000597326] homotypic Acanthocereus maculatus (Weing.) F.M.Knuth Kaktus-ABC: 303. 1936. [wfo-0000513093] homotypic Peniocereus maculatus (Weing.) Cutak in Cact. Succ. J. (Los Angeles) 23: 76. 1951. [wfo-0001289923] synonym Acanthocereus maculatus (Weing.) F.M.Knuth Kaktus-ABC: 303. 1936. [wfo-0000513093]basionym Cereus maculatus Weing. in Kakteenkunde: 14. 1933. [wfo-0000597326] homotypic Acanthocereus maculatus Weing. ex Bravo in Anales Inst. Biol. Univ. Nac. México 3: 398. 1933. [wfo-0001288604] homotypic Peniocereus maculatus (Weing.) Cutak in Cact. Succ. J. (Los Angeles) 23: 76. 1951. [wfo-0001289923] synonym Cereus maculatus Weing. in Kakteenkunde: 14. 1933. [wfo-0000597326]homotypic Acanthocereus maculatus (Weing.) F.M.Knuth Kaktus-ABC: 303. 1936. [wfo-0000513093] homotypic Acanthocereus maculatus Weing. ex Bravo in Anales Inst. Biol. Univ. Nac. México 3: 398. 1933. [wfo-0001288604] homotypic Peniocereus maculatus (Weing.) Cutak in Cact. Succ. J. (Los Angeles) 23: 76. 1951. [wfo-0001289923] synonym Peniocereus maculatus (Weing.) Cutak in Cact. Succ. J. (Los Angeles) 23: 76. 1951. [wfo-0001289923]basionym Cereus maculatus Weing. in Kakteenkunde: 14. 1933. [wfo-0000597326] homotypic Acanthocereus maculatus (Weing.) F.M.Knuth Kaktus-ABC: 303. 1936. [wfo-0000513093] homotypic Acanthocereus maculatus Weing. ex Bravo in Anales Inst. Biol. Univ. Nac. México 3: 398. 1933. [wfo-0001288604] A. oaxacensis (Britton & Rose) Lodé in Cact.-Avent. Int. 97: 2. 2012. [wfo-0001430026]basionym Nyctocereus oaxacensis Britton & Rose Cactaceae 2: 120. 1920. [wfo-0001289118] homotypic Peniocereus oaxacensis (Britton & Rose) D.R.Hunt in Bradleya 9: 90. 1991. [wfo-0001289777] synonym Nyctocereus oaxacensis Britton & Rose Cactaceae 2: 120. 1920. [wfo-0001289118]homotypic Acanthocereus oaxacensis (Britton & Rose) Lodé in Cact.-Avent. Int. 97: 2. 2012. [wfo-0001430026] homotypic Peniocereus oaxacensis (Britton & Rose) D.R.Hunt in Bradleya 9: 90. 1991. [wfo-0001289777] synonym Peniocereus oaxacensis (Britton & Rose) D.R.Hunt in Bradleya 9: 90. 1991. [wfo-0001289777]basionym Nyctocereus oaxacensis Britton & Rose Cactaceae 2: 120. 1920. [wfo-0001289118] homotypic Acanthocereus oaxacensis (Britton & Rose) Lodé in Cact.-Avent. Int. 97: 2. 2012. [wfo-0001430026] A. paradoxus P.González-Zamora & Dan.Sánchez in Phytotaxa 470(2): 146. 2020. [wfo-0001430027] A. rosei (J.G.Ortega) Lodé in Cact.-Avent. Int. 98(Suppl.): 3. 2013. [wfo-0001430028]basionym Peniocereus rosei J.G.Ortega in Revista Mex. Biol. 6: 189. 1926. [wfo-0001289927] synonym Peniocereus rosei J.G.Ortega in Revista Mex. Biol. 6: 189. 1926. [wfo-0001289927]homotypic Acanthocereus rosei (J.G.Ortega) Lodé in Cact.-Avent. Int. 98(Suppl.): 3. 2013. [wfo-0001430028] A. tepalcatepecanus (Sánchez-Mej.) Lodé in Cact.-Avent. Int. 98(Suppl.): 3. 2013. [wfo-0001430029]basionym Peniocereus tepalcatepecanus Sánchez-Mej. in Cact. Suc. Mex. 19: 14. 1974. [wfo-0001289928] synonym Peniocereus tepalcatepecanus Sánchez-Mej. in Cact. Suc. Mex. 19: 14. 1974. [wfo-0001289928]homotypic Acanthocereus tepalcatepecanus (Sánchez-Mej.) Lodé in Cact.-Avent. Int. 98(Suppl.): 3. 2013. [wfo-0001430029] A. tetragonus (L.) Hummelinck in Succulenta (Netherlands) 20: 165. 1938. [wfo-0000513101]homotypic Cereus tetragonus (L.) Mill. Gard. Dict.: Cereus No. 2. 1768. [wfo-0000597747] synonym Acanthocereus acutangulus (Pfeiff.) A.Berger Kakteen: 337, indice 124. 1929. [wfo-0000513081]basionym Cereus acutangulus Pfeiff. Enum. Diagn. Cact.: 107. 1837. [wfo-0000596739] synonym Acanthocereus baxaniensis (Karw. ex Pfeiff.) Borg Cacti: 132. 1937. [wfo-0000513085]basionym Cereus baxaniensis Karw. ex Pfeiff. Enum. Diagn. Cact.: 108. 1837. [wfo-0000596818] synonym Acanthocereus colombianus Britton & Rose Cactaceae 2: 122. 1920. [wfo-0000513088] synonym Acanthocereus floridanus Small ex Britton & Rose Cactaceae 4: 276. 1923. [wfo-0000513089] synonym Acanthocereus horridus Britton & Rose Cactaceae 2: 122, fig. 181. 1920. [wfo-0000513092] synonym Acanthocereus occidentalis Britton & Rose Cactaceae 2: 125, fig. 185. 1920. [wfo-0000513095] synonym Acanthocereus pentagonus (L.) Britton & Rose Cactaceae 2: 122. 1920. [wfo-0000513096]homotypic Cereus pentagonus (L.) Haw. Syn. Pl. Succ.: 180. 1812. [wfo-0000597482] synonym Acanthocereus pitajaya (Jacq.) Dugand ex Croizat in Caldasia 2: 135. 1943. [wfo-0000513097]basionym Cactus pitajaya Jacq. Enum. Syst. Pl.: 23. 1760. [wfo-0000578105] homotypic Cereus pitajaya (Jacq.) DC. Prodr. 3: 466. 1828. [wfo-0000597516] synonym Acanthocereus princeps (Pfeiff.) Backeb. Descr. Cact. Nov. 3: 5. 1963. [wfo-0000513098]basionym Cereus princeps Pfeiff. Enum. Diagn. Cact.: 108. 1837. [wfo-0000597543] synonym Acanthocereus subinermis Britton & Rose Cactaceae 2: 125. 1920. [wfo-0000513100] synonym Acanthocereus tetragonus var. micracanthus Dugand in Phytologia 13: 383. 1966. [wfo-0000513102] synonym Cactus pentagonus L. Sp. Pl.: 466. 1753. [wfo-0000578087]homotypic Acanthocereus pentagonus (L.) Britton & Rose Cactaceae 2: 122. 1920. [wfo-0000513096] homotypic Cereus pentagonus (L.) Haw. Syn. Pl. Succ.: 180. 1812. [wfo-0000597482] synonym Cactus pitajaya Jacq. Enum. Syst. Pl.: 23. 1760. [wfo-0000578105]homotypic Acanthocereus pitajaya (Jacq.) Dugand ex Croizat in Caldasia 2: 135. 1943. [wfo-0000513097] homotypic Cereus pitajaya (Jacq.) DC. Prodr. 3: 466. 1828. [wfo-0000597516] synonym Cactus prismaticus Willd. Enum. Pl., Suppl.: 32. 1814. [wfo-0000578130]homotypic Cereus prismaticus (Willd.) Haw. ex Steud. Nomencl. Bot. 1: 335. 1840. [wfo-0000597548] homotypic Cereus prismaticus (Willd.) Haw. Suppl. Pl. Succ.: 77. 1819. [wfo-0001287178] synonym Cactus reptans Salm-Dyck ex DC. Prodr. 3: 468. 1828. [wfo-0000578173] synonym Cactus tetragonus L. Sp. Pl.: 466. 1753. [wfo-0000578284]homotypic Acanthocereus tetragonus (L.) Hummelinck in Succulenta (Netherlands) 20: 165. 1938. [wfo-0000513101] homotypic Cereus tetragonus (L.) Mill. Gard. Dict.: Cereus No. 2. 1768. [wfo-0000597747] synonym Cereus acutangulus Pfeiff. Enum. Diagn. Cact.: 107. 1837. [wfo-0000596739]homotypic Acanthocereus acutangulus (Pfeiff.) A.Berger Kakteen: 337, indice 124. 1929. [wfo-0000513081] synonym Cereus babosus F.A.C.Weber in: Schumann, K.M., Gesamtbeschr. Kakt.: 84. 1897. [wfo-0001287427] synonym Cereus baxaniensis Karw. ex Pfeiff. Enum. Diagn. Cact.: 108. 1837. [wfo-0000596818]homotypic Acanthocereus baxaniensis (Karw. ex Pfeiff.) Borg Cacti: 132. 1937. [wfo-0000513085] synonym Cereus dussii K.Schum. Gesamtbeschr. Kakt.: 89. 1897–1899. [wfo-0000597038] synonym Cereus horribilis A.Berger Kakteen: 124, 338. 1929. [wfo-0000597206] synonym Cereus nitidus Salm-Dyck Cact. Hort. Dyck.: 211. 1850. [wfo-0000597420] synonym Cereus pentagonus C.F.Först. Handb. Cacteenk.: 389. 1846. [wfo-0000597483] synonym Cereus pentagonus (L.) Haw. Syn. Pl. Succ.: 180. 1812. [wfo-0000597482]homotypic Acanthocereus pentagonus (L.) Britton & Rose Cactaceae 2: 122. 1920. [wfo-0000513096] synonym Cereus pitajaya (Jacq.) DC. Prodr. 3: 466. 1828. [wfo-0000597516]basionym Cactus pitajaya Jacq. Enum. Syst. Pl.: 23. 1760. [wfo-0000578105] homotypic Acanthocereus pitajaya (Jacq.) Dugand ex Croizat in Caldasia 2: 135. 1943. [wfo-0000513097] synonym Cereus princeps Pfeiff. Enum. Diagn. Cact.: 108. 1837. [wfo-0000597543]homotypic Acanthocereus princeps (Pfeiff.) Backeb. Descr. Cact. Nov. 3: 5. 1963. [wfo-0000513098] synonym Cereus prismaticus (Willd.) Haw. ex Steud. Nomencl. Bot. 1: 335. 1840. [wfo-0000597548]basionym Cactus prismaticus Willd. Enum. Pl., Suppl.: 32. 1814. [wfo-0000578130] homotypic Cereus prismaticus (Willd.) Haw. Suppl. Pl. Succ.: 77. 1819. [wfo-0001287178] synonym Cereus prismaticus (Willd.) Haw. Suppl. Pl. Succ.: 77. 1819. [wfo-0001287178]basionym Cactus prismaticus Willd. Enum. Pl., Suppl.: 32. 1814. [wfo-0000578130] homotypic Cereus prismaticus (Willd.) Haw. ex Steud. Nomencl. Bot. 1: 335. 1840. [wfo-0000597548] synonym Cereus ramosus Karw. ex Pfeiff. Enum. Diagn. Cact.: 108. 1837. [wfo-0000597582] synonym Cereus reptans Haw. ex Steud. Nomencl. Bot. 1: 335. 1840. [wfo-0000597595] synonym Cereus sirul F.A.C.Weber in Bull. Mus. Hist. Nat. (Paris) 11: 384. 1904. [wfo-0000597680] synonym Cereus tetragonus (L.) Mill. Gard. Dict.: Cereus No. 2. 1768. [wfo-0000597747]homotypic Acanthocereus tetragonus (L.) Hummelinck in Succulenta (Netherlands) 20: 165. 1938. [wfo-0000513101] synonym Cereus tetragonus var. major Salm-Dyck ex Walp. Repert. Bot. Syst. 2: 277. 1843. [wfo-0000738744] synonym Cereus tetragonus var. minor Salm-Dyck Hort. Dyck.: 337. 1834. [wfo-0000738745] synonym Cereus tetragonus var. ramosior Link & Otto in Verh. Vereins Beförd. Gartenbaues Königl. Preuss. Staaten 6: 432. 1830. [wfo-0000738746] synonym Cereus undulatus Pfeiff. Enum. Diagn. Cact.: 107. 1837. [wfo-0000597798] synonym Cereus variabilis Engelm. Descr. Cactaceae: 40. 1856. [wfo-0000597811] Acanthocereus: Unplaced Names