Coryphantha octacantha (DC.) Britton & Rose [ Mammillaria clava Pfeiff.]
no HD illustration available (m1)
Coryphantha octacantha (DC.) Britton & Rose [ Mammillaria octacantha DC.] [Cactaceae]
W. Curtis, Bot. Mag., vol. 74 [ser. 3, vol. 4]: t. 4358 (1848) [W.H. Fitch]