Acanthocalycium C. Backeberg
aurantiacum W. Rausch
Kakteen And. Sukk. 19 (5): 92 (1968)
Syn. zu Acanthocalycium C. Backeberg thionanthum (C. L. Spegazzini) C. Backeberg ssp. glaucum (F. Ritter) J. Lodé