Echinocactus thionanthus Speg. in Anales Mus. Nac. Buenos Aires, ser. 3, 4: 499. 1905
Echinocactus thionanthus in Anales Mus. Nac. Buenos Aires, ser. 3, 4: 499. 1905
is basionym for Acanthocalycium thionanthum, Kaktus-ABC: 226. 1936 ["1935"]
is basionym for Lobivia thionanthus, Cactaceae 3: 57–58, f. 74. 1922
is basionym for Echinopsis thionantha in Bradleya 5: 92. 1987
is basionym for Echinopsis thionantha in Notizbl. Bot. Gart. Berlin-Dahlem 11: 264. 1931
is basionym for Lobivia thionantha, Cactaceae 3: 57–58, f. 74. 1922
Type: not designated
Type: Protologue citation: [Argentina] Hab. in altiplanitie petrosa aridissima prope Cachi, Prov. Salta.