Homalocephala texensis (Hopffer) Britton & Rose, Cactaceae 3: 181. 1922
Homalocephala texensis, Cactaceae 3: 181. 1922
is new combination for Echinocactus texensis in Allg. Gartenzeitung 10(38): 297–298. 1842
Homalocephala texensis, Cactaceae 3: 181. 1922