Acanthocalycium andreaeanum (Backeberg) J.D. Donald, Ashingtonia 1 (11): 125, 1975
Acanthocalycium aurantiacum W. Rausch, Kakteen Sukk. 19: 92. 1968, 1968Acanthocalycium brevispinum F. Ritter, Taxon 4, 144, 1964
Acanthocalycium catamarcense F. Ritter, Kakteen in Südamerika, 2: 465, 1980Acanthocalycium chionanthum Spegazinni(Backeberg), Backeb. & F. M. Knuth, Kaktus-ABC, 225 225 (1935), 1935
Acanthocalycium ferrarii W. Rausch, Succulenta, 55 (5): 82, 1976Acanthocalycium formosanum v. albispinum (Weber ex Schelle) Y. Ito, Explan. Diagr. Austroechinocactinae 145, 1957
Acanthocalycium formosum (Pfeiffer) Backeberg, Kaktus-ABC 224, 1935Acanthocalycium glaucum F. Ritter, Taxon 13: 143, 1964
Acanthocalycium glaucum v. rubiflorumAcanthocalycium griseum Backeberg, Descr. Cact. III: 5, 1963
Acanthocalycium griseum n.n. rubriflorumAcanthocalycium hyalacanthum (Spegazzini) Backeberg, Kaktus-ABC 225, 1935
Acanthocalycium klimpelianum (Weidlich & Werdermann) Backeberg, Kaktus-ABC 225, 1935Acanthocalycium klimpelianum v. macranthum (W. Rausch) J.G. Lambert, Cactus d'Argentine, ed. 2: 9: , 1998
Acanthocalycium minutumAcanthocalycium oreopogon (Werdermann) Backeberg, Kaktus-ABC 225, 1935
Acanthocalycium peitscherianum Backeberg, Kaktus-ABC 225, 412, 1935Acanthocalycium plominianum
Acanthocalycium spiniflorum (K. Schumann) Backeberg, Kaktus-ABC 226, 1935Acanthocalycium spiniflorum f. peitscheranum (Backeberg) J.D. Donald, Ashingtonia 1: 116, 1975
Acanthocalycium spiniflorum f. spiniflorumAcanthocalycium spiniflorum f. violaceum (Werdermann) J.D. Donald, Ashingtonia 1: 116, 1975
Acanthocalycium spiniflorum v. klimpelianum (Weidlich & Werdermann) J.D. Donald, Ashingtonia 1: 116, 1975Acanthocalycium subg. Ambelyophori Y. Ito, Bull. Takarazuka Insectarium 71: 13-20, 1950
Acanthocalycium subg. Goniophori Y. Ito, Bull. Takarazuka Insectarium 71: 13-20, 1950Acanthocalycium thionanthum (Spegazzini) Backeberg, Kaktus-ABC 227, 1935
Acanthocalycium thionanthum v. aurantiacum (W. Rausch) J.D. Donald, Ashingtonia 1: 124, 1975Acanthocalycium thionanthum v. brevispinum (F. Ritter) J.D. Donald, Ashingtonia 1: 124, 1975
Acanthocalycium thionanthum v. chionanthum (Spegazzini) Hoss.Acanthocalycium thionanthum v. copiapoides
Acanthocalycium thionanthum v. ferrariiAcanthocalycium thionanthum v. glaucum (F. Ritter) J.D. Donald ex W. Rausch, Ashingtonia 1: 124, 1975
Acanthocalycium thionanthum v. munitum (W. Rausch) J.G. Lambert, Cactus d'Argentine, ed. 2: 16: , 1998Acanthocalycium thionanthum v. thionanthum
Acanthocalycium thionanthum v. variiflorum (Backeberg) J.D. DonaldAcanthocalycium variiflorum Backeberg, Cact. Lex. 57, 1965
Acanthocalycium violaceum (Werdermann) Backeberg, Kaktus-ABC 226, 1935