| Name | Neomammillaria longiflora Britton & Rose |
| Authorship | Britton & Rose |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Neomammillaria |
| GUID | urn:lsid:ipni.org:names:135943-1 |
| Citation | 1923 Cactaceae (Britton & Rose) 4: 163 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Neomammillaria longiflora Britton & Rose |
| Identification made in | [no date] (1) |