| 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) | 
