| Name | Pilosocereus gaumeri (Britton & Rose) Backeberg | 
| Authorship | (Britton & Rose) Backeberg | 
| Rank | Species | 
| Placed in | Pilosocereus | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pilosocereus gaumeri (Britton & Rose) Backeberg | 
| Identification made in | [no date] (1) |