| Name | Collybia demangei Patouillard |
| Authorship | Patouillard |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Collybia |
| GUID | urn:lsid:indexfungorum.org:names:181260 |
| Citation | 1907 Bull. Soc. Mycol. France 23(1): 77 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Collybia demangei Patouillard |
| Identification made in | [no date] (2) |