Mammillaria ortegae (Britton & Rose) Orcutt Mammillaria ortegae (Britton & Rose) Orcutt, Cactography 8. 1926 sec. Guzmán & al. 2003≡Neomammillaria ortegae Britton & Rose, Cactaceae (Britton & Rose) 4: 83. 1923 syn. sec. Guzmán & al. 2003