| Name | Microthelia metzleri f. anthracina J. Steiner |
| Authorship | J. Steiner |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Microthelia metzleri J. Lahm |
| Remarks | [Art. 72 Note 1 applies] |
| Citation | 1894 Ann. Naturhist. Mus. Wien 9: 136 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Microthelia metzleri f. anthracina J. Steiner |
| Identification made in | [no date] (2) |