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