| Rubiaceae | |
Canthiumera glabra
| (Blume) K.M. Wong & Mahyuni | Reinwardtia 17(2): 108–109, fig. 1A, B, 2 | 2018 |
| Rubiaceae | |
Canthiumera neilgherrensis
| (Wight) K.M. Wong | Reinwardtia 17(2): 109 | 2018 |
| Rubiaceae | |
Canthiumera robusta
| K.M. Wong & X.Y. Ng | Reinwardtia 17(2): 109–113 | 2018 |
| Rubiaceae | |
Canthiumera siamensis
| (K. Schum.) K.M. Wong | Reinwardtia 17(2): 113–115, figs. 5, 6 | 2018 |