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CCDB → Bryophytes → Brachytheciaceae → Eurhynchiadelphus
| Taxon name | Status | Median (n) |
| Brachythecium eustegium Besch. | Synonym of Eurhynchiadelphus eustegia (Besch.) Ignatov & Huttunen | 11 |
| Brachythecium eustegium Besch. | Synonym of Eurhynchiadelphus eustegia (Besch.) Ignatov & Huttunen | 11 |