Echinopsis violacea Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 262. 1931
Echinopsis violacea in Notizbl. Bot. Gart. Berlin-Dahlem 11: 262. 1931
is basionym for Lobivia spiniflora var. violacea, Lobivia 85: 157. 1987 ["1985"]
is basionym for Acanthocalycium violaceum, Kaktus-ABC: 226. 1936 ["1935"]
is basionym for Acanthocalycium spiniflorum f. violaceum in Ashingtonia 1: 116. 1975