| Classification | Fungi: Basidiomycota: Agaricomycetes: Agaricales: Agaricaceae: Agaricus |
| Harvard University Herbaria Barcode(s) | 00821096 |
| Collector | C. G. Willis |
| Collector number | 1852 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Cambridge |
| Locality | [no additional data] |
| Date Collected | 1899-11-02 |
| Project | Macrofungi TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9c088cb7-3b65-4360-8da2-016b7852144d |
| Harvard University Herbaria Barcode | 00821096 |
| Herbarium | FH |
| Family | Agaricaceae |
| Determination | Agaricus brunnescens Peck |
| Determination Remarks | [is filed under name] [is Current name] |
| Subcollection | Burt Fungus Herbarium |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
