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CCDB → Bryophytes → Amblystegiaceae → Calliergon
| Taxon name | Status | Median (n) |
| Calliergon cordifolium (Hedw.) Kindb. | Accepted | 20 |
| Calliergon giganteum (Schimp.) Kindb. | Accepted | 12 |
| Calliergon richardsonii (Mitt.) Kindb. | Accepted | None |
| Calliergon sarmentosum (Wahlenb.) Kindb. | Accepted | 11 |
| Calliergon stramineum (Dicks.) Kindb. | Accepted | 11 |
| Acrocladium stramineum (Dicks.) P. W. Richards & E. C. Wallace | Synonym of Calliergon stramineum (Dicks.) Kindb. | 11 |