| Name | Williamsia pubescens Quisumbing & Merrill |
| Authorship | Quisumbing & Merrill |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Williamsia |
| GUID | urn:lsid:ipni.org:names:770546-1 |
| Citation | 1928 Philipp. J. Sci. 37: 208 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Williamsia pubescens Quisumbing & Merrill |
| Identification made in | [no date] (2) |