| Name | Coprinus chaignoui Patouillard |
| Authorship | Patouillard |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Coprinus |
| Citation | 1903 Bull. Soc. Mycol. France 19: 246 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Coprinus chaignoui Patouillard |
| Identification made in | [no date] (2) |