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CCDB → Angiosperms → Orchidaceae → Acianthus
| Taxon name | Status | Median (n) |
| Acianthus fornicatus R. Br. | Accepted | 19 |
| Acianthus sinclairii Hook. | Accepted | 20 |
| Acianthus oblonga (Hook.) Schltr. | Synonym of Cyrtostylis oblonga Hook. | 22 |