| Name | Pogostemon williamsii Elmer |
| Authorship | Elmer |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pogostemon Desfontaines |
| GUID | urn:lsid:ipni.org:names:454919-1 |
| Citation | 1934 Leafl. Philipp. Bot. 9: 3197 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pogostemon williamsii Elmer |
| Identification made in | [no date] (1) |
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