| Name | Cumminsiella mirabilissima (Peck) Nannfeldt |
| Authorship | (Peck) Nannfeldt |
| Rank | Species |
| Placed in | Cumminsiella |
| Citation | 1947 Fungi Exsicc. Suecici 1507 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Cumminsiella mirabilissima (Peck) Nannfeldt |
| Identification made in | [no date] (6) |