Tephrocactus diademata (Lem.) Lem., Cactées: 88. 1868 Tephrocactus diademata (Lem.) Lem., Cactées: 88. 1868is new combination for Opuntia diademata Lem., Cact. Aliq. Nov.: 36. 1838is orthographic variant for Tephrocactus diadematusTaxon for this nameTephrocactus diademata (Lem.) Lem.