| Classification | Fungi: Basidiomycota: Agaricomycetes: Agaricales: Agaricaceae: Collybia |
| Harvard University Herbaria Barcode(s) | 00490596 |
| Collector | G. B. Rossbach & R. P. Rossbach |
| Collector number | 245 |
| Country | United States of America |
| State | Montana |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Montana: Missoula County |
| Locality | Lindberg Lake |
| Date Collected | 1936-08-04 |
| Project | Macrofungi TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c96cb166-dd0f-417a-9a78-77580333482a |
| Harvard University Herbaria Barcode | 00490596 |
| Herbarium | FH |
| Family | Agaricaceae |
| Determination | Collybia butyracea (Bulliard) P. Kummer: Fries |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |