| Classification | Agrocybe: Agaricaceae: Agaricales: Agaricomycetes: Basidiomycota | 
| Harvard University Herbaria Barcode(s) | 00488584 | 
| Collector | J. W. Groves | 
| Collector number | s.n. | 
| Country | Canada | 
| State | Ontario | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario: Ottawa | 
| Locality | Wellington St. | 
| Date Collected | 1937-06-14 | 
| Project | Macrofungi TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/99f15043-7aa8-48db-8fb7-5130074c305e | 
| Harvard University Herbaria Barcode | 00488584 | 
| Herbarium | FH | 
| Family | Agaricaceae | 
| Determination | Agrocybe praecox (Persoon) Fayod: Fries | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |