Neomammillaria longicoma Britton & Rose, Cactaceae 4: 146–147, f. 162, 165. 1923
Neomammillaria longicoma, Cactaceae 4: 146–147, f. 162, 165. 1923
is basionym for Mammillaria longicoma, Kakteen: 292. 1929
is basionym for Ebnerella longicoma in Oesterr. Bot. Z. 98: 89. 1951
is basionym for Chilita longicoma in Cactography 2. 1926