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CCDB → Angiosperms → Orchidaceae → Dienia
| Taxon name | Status | Median (n) |
| Dienia ophrydis (J. Koenig) Seidenf. | Accepted | 21 |
| Malaxis cylindrostachya (Lindl.) Kuntze | Synonym of Dienia cylindrostachya Lindl. | 15 |
| Microstylis cylindrostachya (Lindl.) Rchb. | Synonym of Dienia cylindrostachya Lindl. | 15 |
| Microstylis congesta (Lindl.) Rchb. | Synonym of Dienia ophrydis (J. Koenig) Seidenf. | 21 |
| Microstylis latifolia (Sm.) J. J. Sm. | Synonym of Dienia ophrydis (J. Koenig) Seidenf. | 21 |