| Name | Calliergon wilhelmense E. B. Bartram |
| Authorship | E. B. Bartram |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Calliergon |
| Citation | 1965 Contr. U.S. Natl. Herb. 37: 60 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Calliergon wilhelmense E. B. Bartram |
| Identification made in | [no date] (1) |