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CCDB → Bryophytes → Orthotrichaceae → Amphidium
| Taxon name | Status | Median (n) |
| Amphidium lapponicum (Hedw.) Schimp. | Accepted | 16 |
| Amphidium mougeotii (Bruch & Schimp.) Schimp. | Accepted | 13 |
| Amphidium lapponicum None | Synonym of Amphidium lapponicum (Hedw.) Schimp. | 16 |
| Amphidium cyathicarpum (Mont.) Broth. | Synonym of Amphidium tortuosum (Hornsch.) Cufod. | 16 |