| Name | Calliergon sp. | 
| Authorship | |
| Rank | Species | 
| Placed in | Calliergon | 
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Calliergon sp. | 
| Identification made in | [no date] (3) | 
| Name | Calliergon sp. | 
| Authorship | |
| Rank | Species | 
| Placed in | Calliergon | 
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Calliergon sp. | 
| Identification made in | [no date] (3) |