Melocactus oreas subsp. cremnophilus Melocactus oreas subsp. cremnophilus (Buining & Brederoo) P.J.Braun in Bradleya 6: 95. 1988 sec. Zappi & Taylor 20201 wfo-0001289560≡Melocactus cremnophilus Buining & Brederoo in Cact. Succ. J. (Los Angeles) 44: 3. 1972 syn. sec. ??? wfo-00012895591. Zappi, D. & Taylor, N. P. 2020: Cactaceae in Flora do Brasil. – Jardim Botânico do Rio de Janeiro – http://floradobrasil.jbrj.gov.brContent