| Name | Dioicomyces formicillae Thaxter |
| Authorship | Thaxter |
| Rank | Species |
| Placed in | Dioicomyces Thaxter |
| Citation | 1912 Proc. Amer. Acad. Arts 48: 169 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Dioicomyces formicillae Thaxter |
| Identification made in | [no date] (9) |