Lobivia thionanthus (Speg.) Britton & Rose, Cactaceae 3: 57–58, f. 74. 1922
Lobivia thionanthus, Cactaceae 3: 57–58, f. 74. 1922
is new combination for Echinocactus thionanthus in Anales Mus. Nac. Buenos Aires, ser. 3, 4: 499. 1905
is orthographic variant for Lobivia thionantha