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CCDB → Pteridophytes → Hymenophyllaceae → Didymoglossum
| Taxon name | Status | Median (n) |
| Didymoglossum angustifrons Fée | Accepted | 34 |
| Didymoglossum liberiense (Copel.) Copel. | Accepted | 34 |
| Didymoglossum lineolatum Bosch | Accepted | 34 |
| Didymoglossum punctatum (Poir.) Desv. | Accepted | 34 |
| Didymoglossum bimarginatum Ebihara & K. Iwats. | Unresolved | 68 |
| Didymoglossum motleyi Ebihara & K. Iwats. | Unresolved | 34 |
| Didymoglossum tahitense Ebihara & K. Iwats. | Unresolved | 34 |
| Microgonium aerugineum (Bosch) P. Serm. | Synonym of Didymoglossum erosum (Willd.) J. P. Roux | 67 |
| Microgonium erosum C. Presl | Synonym of Didymoglossum erosum (Willd.) J. P. Roux | 67 |
| Didymoglossum krausii (Hook. & Grev.) C. Presl | Synonym of Trichomanes krausii Hook. & Grev. | 68 |