| Name | Mycoblastus caesius (Coppins & P. James) Toensberg |
| Authorship | (Coppins & P. James) Toensberg |
| Rank | Species |
| Placed in | Mycoblastus Norman |
| Citation | 1992 Sommerfeltia 14: 222 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Mycoblastus caesius (Coppins & P. James) Toensberg |
| Identification made in | [no date] (2) |