Ferocactus robustus (Link & Otto) Britton & Rose, Cactaceae 3: 135. 1922
Ferocactus robustus, Cactaceae 3: 135. 1922
is new combination for Echinocactus robustus in Allg. Gartenzeitung 1: 364. 1833
Ferocactus robustus, Cactaceae 3: 135. 1922