Graptopetalum bellum (Moran & J. Meyrán) D.R. Hunt Graptopetalum bellum (Moran & J. Meyrán) D.R. Hunt in Bot. Mag. 182(4): 130. 1979 sec. Thiede & Eggli 2007=Tacitus bellus Moran & J. Meyrán in Cact. Suc. Mex. 19: 77. 1974 syn. sec. Thiede & Eggli 2007