| Name | Collybia efflorescens (Berkeley & M. A. Curtis) Saccardo | 
| Authorship | (Berkeley & M. A. Curtis) Saccardo | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Collybia | 
| Citation | 1887 Syll. Fung. 5: 220 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Collybia efflorescens (Berkeley & M. A. Curtis) Saccardo | 
| Identification made in | [no date] (1) |