| Name | Trigonostemon longifolius Müller Argoviensis |
| Authorship | Müller Arg. |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Trigonostemon Blume |
| Citation | 1866 Prodr. [A. P. de Candolle] 15(2): 1108 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Trigonostemon longifolius Müller Argoviensis |
| Identification made in | 1978 (1) |
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