Copiapoa cinerea (Phil.) Britton & Rose subsp. columna-alba (F.Ritter) D.R.Hunt

Cactaceae Syst. Init. 13: 13 (2002)

Schulz & Kapitany

Schulz , R. y Kapitany, A. 1996. Copiapoa in their environment: Chañaral to El Cobre. Quarto 176 pp.
Hunt (2002)

Hunt, D.R. 2002. In Hunt, D. & Taylor, N. (eds.) Notulae Systematicae Lexicon Cactacearum Spectantes I, Cactaceae Systematics Initiatives 13:12-15
Hoffman & Walter (2004)

Hoffmann J., A.E. y Walter M., H.E. 2004. Cactaceas en la Flora Silvestre de Chile, 2nd edition. Fundación Claudio Gay
Espinosa & Ramos (2013)

Señoret Espinosa, E. y Acosta Ramos, J.P. 2013. Guía de Campo. Cactáceas Nativas de Chile. CORMA 247 pp.
Hunt (2013)

Hunt, D. 2013. The New Cactus Lexicon (illustrations). dh books. Milborne Port, UK 527 pp.
Larridon et al. (2015)

Larridon, I , Walter, H , Guerrero, P , Duarte, M , Cisternas, M , Peña, C , Bauters, K , Asselman, P , Goetghebeur, P y Samain, M.-S 2015. An integrative approach to understanding the evolution and diversity of Copiapoa (Cactaceae), a threatened endemic Chilean genus from the Atacama Desert. American Journal of Botany. 102. 1506-1520.