| Name | Calliergon macounii Karczmarz |
| Authorship | Karczmarz |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Calliergon |
| Citation | 1966 Ann. Univ. Mariae Curie-Sklodowska, Sect. 3, Biol., Suppl. 21: 183 f. 1 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Calliergon macounii Karczmarz |
| Identification made in | 1967 (1) |