| Name | Trigonostemon elmeri Merrill |
| Authorship | Merrill |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Trigonostemon Blume |
| GUID | urn:lsid:ipni.org:names:358003-1 |
| Citation | 1929 Univ. Calif. Publ. Bot. 15: 162 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Trigonostemon elmeri Merrill |
| Identification made in | [no date] (8) |