| Name | Pithecellobium williamsii Elmer |
| Authorship | Elmer |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pithecellobium Martius |
| GUID | urn:lsid:ipni.org:names:515147-1 |
| Citation | 1907 Leafl. Philipp. Bot. 1: 223 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pithecellobium williamsii Elmer |
| Identification made in | [no date] (1) |