Acharagma roseanum (Boed.) E.F. Anderson Acharagma roseanum (Boed.) E.F. Anderson in Cact. Succ. J. (Los Angeles) 71: 323. 1999 sec. Hunt & al. 2006≡Echinocactus roseanus Boed. in Z. Sukkulentenk. 3: 363. 1928 syn. sec. Guzmán & al. 2003