Homalocephala Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 181, 1922

Homalocephala texensis (Hopffer) Britton & Rose, The Cactaceae; descriptions and illustrations of plants of the cactus family 3: 181-182, pl. 19, f. 3, 4, 5; f. 192, 1922

Homalocephala texensis v. gourgensii (Cels ex Labouret) Y. Ito, Cacti 108, 1952

Homalocephala texensis v. multiflora 

Homalocephala texensis v. zaragozae