| Name | Coniothecium effusum Corda |
| Authorship | Corda |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Coniothecium |
| Citation | 1837 Icon. Fung. (Corda) 1: 2 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Coniothecium effusum Corda |
| Identification made in | [no date] (2) |