Melocactus conoideus subsp. braunii (Esteves) Guiggi in Succulentes 2004(4): 19. 2004
Melocactus conoideus subsp. braunii in Succulentes 2004(4): 19. 2004
is new combination for Melocactus braunii in Brit. Cact. Succ. J. 21(3): 140–142, 137–139. 2003