| Name | Lepanthes williamsii Salazar & Soto Arenas |
| Authorship | Salazar & Soto Arenas |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Lepanthes Swartz |
| GUID | urn:lsid:ipni.org:names:306592-2 |
| Citation | 1992 Orquidea (Mexico City) n.s., 12(2): 139 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Lepanthes williamsii Salazar & Soto Arenas |
| Identification made in | 1991 (1), 2010 (1) |