| Name | Dipterocarpus rigidus Ridley |
| Authorship | Ridley |
| Rank | Species |
| Placed in | Dipterocarpus |
| Citation | 1920 J. Straits Branch Roy. Asiat. Soc. 82: 171 |
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Dipterocarpus rigidus Ridley |
| Identification made in | [no date] (10), 1985 (4) |