| Name | Ceratostoma depressulum P. Karsten |
| Authorship | P. Karsten |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ceratostoma |
| Citation | 1869 Fungi Fenniae Exsicc. 9: 854 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ceratostoma depressulum P. Karsten |
| Identification made in | [no date] (1) |