Synonyms
Lobivia thionantha var. munita Rausch
Lobivia thionantha var. variiflora (Backeb.) Rausch
Acanthocalycium variiflorum Backeb.
Lobivia thionantha var. ferrarii (Rausch) Rausch
Acanthocalycium ferrarii Rausch
Echinopsis thionantha subsp. ferrarii (Rausch) M.Lowry
Acanthocalycium thionanthum var. munitum (Rausch) J.G.Lamb.