| Name | Trigonostemon arboreus Ridley |
| Authorship | Ridley |
| Rank | Species |
| Placed in | Trigonostemon Blume |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Trigonostemon arboreus Ridley |
| Identification made in | [no date] (3) |
| Name | Trigonostemon arboreus Ridley |
| Authorship | Ridley |
| Rank | Species |
| Placed in | Trigonostemon Blume |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Trigonostemon arboreus Ridley |
| Identification made in | [no date] (3) |