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CCDB → Angiosperms → Orchidaceae → Grammatophyllum
| Taxon name | Status | Median (n) |
| Grammatophyllum scriptum (L.) Blume | Accepted | 20 |
| Grammatophyllum speciosum Blume | Accepted | 20 |
| Grammatophyllum stapeliiflorum (Teijsm. & Binn.) J. J. Sm. | Accepted | 20 |
| Grammatophyllum scriptum None | Synonym of Grammatophyllum scriptum (L.) Blume | 20 |