| Name | Guepinia biformis Peck |
| Authorship | Peck |
| Rank | Species |
| Placed in | Guepinia Fries |
| GUID | urn:lsid:indexfungorum.org:names:209995 |
| Citation | 1900 Bull. Torrey Bot. Club 27: 20 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Guepinia biformis Peck |
| Identification made in | [no date] (2) |