Mammillaria hutchisoniana (H.E. Gates) Boed. ex Backeb. & F.M. Knuth Mammillaria hutchisoniana (H.E. Gates) Boed. ex Backeb. & F.M. Knuth, Kaktus-ABC: 387. 1936 sec. Guzmán & al. 2003≡Neomammillaria hutchisoniana H.E. Gates in Cact. Succ. J. (Los Angeles) 6: 4. 1934 syn. sec. Guzmán & al. 2003