Echinopsis rauschii var. megalocephala Rausch in Kakteen And. Sukk. 25: 241. 1974
Echinopsis rauschii var. megalocephala in Kakteen And. Sukk. 25: 241. 1974
is basionym for Lobivia calorubra var. megalocephala, Lobivia 85: 21. 1987 ["1985"]
is basionym for Echinopsis ancistrophora var. megalocephala, Lobivia: 140. 1975