| Name | Geoglossum nigritum (Fries) Cooke |
| Authorship | (Fries) Cooke |
| Rank | Species |
| Placed in | Geoglossum |
| Citation | 1878 Mycographia 1: 205 |
| Holdings | 20 Specimens held in the Harvard University Herbaria identified as Geoglossum nigritum (Fries) Cooke |
| Identification made in | [no date] (20) |