| Name | Mycena plumbea var. robusta A. H. Smith |
| Authorship | A. H. Smith |
| Rank | Variety |
| Placed in | Mycena plumbea Saccardo |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Mycena plumbea var. robusta A. H. Smith |
| Identification made in | [no date] (1) |