1.Kiesling, R., Oakley, L., Metzing, D., Muruaga, N., Albesiano, A.S., Korotkova, N., Huaylla Limachi, L. & Quispe, N. 2014: Cactaceae, pp. 443-471. – In: Jørgensen, P.M., Nee, M.H. & Beck, S.G., Catálogo de las plantas vasculares de Bolivia. – St. Louis: Missouri Botanical Garden Press
=Borzicactus janae Halda & Horáčekin Cactaceae etc. 13(1): 17. 2003 syn. sec. POWO 2017+2
2.POWO 2017+: Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. – http://www.plantsoftheworldonline.org