| Accession Number | CORT006859 |
| Common Name | |
| Genus | Collybia |
| Species | Collybia butyracea |
| Lower Taxa | |
| Collector | Timothy J. Baroni |
| Collection Date | January 8, 1998 |
| Country | United States |
| State/Province | California |
| County | Mendocino |
| Town | Ukiah |
| Locality | Lake Mendocino, Pomo Camp ground |
| Ecology | |
| Determiner |
| Geographic Coordinates | 39.23525, -123.18103 |
| Elevation | |
| Notes | cf. butyracea |