| Classification | Fungi: Basidiomycota: Agaricomycetes: Agaricales: Agaricaceae: Mycena |
| Harvard University Herbaria Barcode(s) | 00599887 |
| Collector | W. B. Cooke & V. G. Cooke |
| Collector number | 20987 |
| Country | United States of America |
| State | Washington |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Washington: Whitman County |
| Locality | [data not captured] |
| Date Collected | 1947-09-28 |
| Project | Macrofungi TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3096bc4f-3943-4c57-9a41-2c6daa57b755 |
| Harvard University Herbaria Barcode | 00599887 |
| Herbarium | FH |
| Family | Agaricaceae |
| Determination | Mycena leptocephala (Persoon) Gillet |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
