Arrojadoa aureispina var. anguinea P.J.Braun & Esteves in Cact. Succ. J. (Los Angeles) 60: 174. 1988
Arrojadoa aureispina var. anguinea in Cact. Succ. J. (Los Angeles) 60: 174. 1988
is basionym for Arrojadoa rhodantha var. anguinea in Succulenta (Netherlands) 74: 81. 1995