| Name | Cephalocereus tweedyanus Britton & Rose |
| Authorship | Britton & Rose |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Cephalocereus |
| GUID | urn:lsid:ipni.org:names:129913-1 |
| Citation | 1920 Cactaceae (Britton & Rose) 2: 54 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cephalocereus tweedyanus Britton & Rose |
| Identification made in | [no date] (2) |
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