Glandulicactus uncinatus subsp. wrightii (Engelm.) U. Guzmán in Cactaceae Syst. Init. 16: 17. 2003 sec. Guzmán & al. 2003
- ≡Echinocactus uncinatus var. wrightii Engelm. in Proc. Amer. Acad. Arts 3: 16. 1856 syn. sec. Guzmán & al. 2003
- =Echinocactus wrightii (Engelm.) J.M. Coult., Cycl. Amer. hort. 2: 513. 1900 syn. sec. Guzmán & al. 2003
- =Hamatocactus wrightii (Engelm.) Orcutt, Cactography 6. 1926 syn. sec. Guzmán & al. 2003
- =Echinomastus uncinatus var. wrightii (Engelm.) F.M. Knuth, Kaktus-ABC: 358. 1936 syn. sec. Guzmán & al. 2003
- =Thelocactus uncinatus var. wrightii (Engelm.) H.P. Kelsey & Dayton, Stand. pl. nam., ed. 2: 78. 1942 syn. sec. ???
- =Glandulicactus uncinatus var. wrightii (Engelm.) Backeb., Cactaceae (Backeberg) 5: 2925. 1961 syn. sec. Guzmán & al. 2003
- =Ancistrocactus uncinatus var. wrightii (Engelm.) L.D. Benson in Cact. Succ. J. (Los Angeles) 41: 188. 1969 syn. sec. Guzmán & al. 2003
- =Ferocactus uncinatus var. wrightii (Engelm.) N.P. Taylor in Cact. Succ. J. Gr. Brit. 41: 31. 1979 syn. sec. Guzmán & al. 2003
- =Hamatocactus uncinatus var. wrightii (Engelm.) Bravo in Cact. Suc. Mex. 25: 65. 1980 syn. sec. Guzmán & al. 2003
- =Sclerocactus uncinatus var. wrightii (Engelm.) N.P. Taylor in Bradleya 5: 94. 1987 syn. sec. Guzmán & al. 2003
- =Glandulicactus wrightii (Engelm.) D.J. Ferguson in Cact. Succ. J. (Los Angeles) 63: 89. 1991 syn. sec. Guzmán & al. 2003
- =Pediocactus uncinatus var. wrightii (Engelm.) Halda in Acta Mus. Richnov., Sect. Nat., 5: 25. 1998 syn. sec. Guzmán & al. 2003
- =Sclerocactus uncinatus subsp. wrightii (Engelm.) N.P. Taylor in Cactaceae Consensus Init. 5: 13. 1998 syn. sec. Guzmán & al. 2003
- =Ancistrocactus uncinatus subsp. wrightii (Engelm.) Doweld in Cactus & Co. 5: 62-102. 2001 syn. sec. Doweld 2001