Acanthocalycium thionanthum var. munitum (Rausch) J.G.Lamb., Cactus Argentine, ed. 2: 16. 1998
Acanthocalycium thionanthum var. munitum, Cactus Argentine, ed. 2: 16. 1998
is new combination for Lobivia thionantha var. munita, Lobivia 85: 154. 1987 ["1985"]