Mamillopsis (Morren) F. A. C. Weber ex Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 4: 19, 1923

Mamillopsis diguetii (Weber) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 4: 20, 1923

Mamillopsis senilis (Lodd.) F. A. C. Weber  1850

Mamillopsis senilis v. albiflorus