| Classification | Fungi: Basidiomycota: Agaricomycetes: Agaricales: Agaricaceae: Hypholoma | 
| Harvard University Herbaria Barcode(s) | 00585425 | 
| Collector | G. Riner, W. Metcalf, W. J. Neill, P, Griffith, K. Griffith & D. H. Pfister | 
| Collector number | D-376 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Worcester County: Lancaster | 
| Locality | [data not captured] | 
| Date Collected | [s.d.] | 
| Project | Macrofungi TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4f2173d7-32f9-4e20-b6f2-14abc7a1cde6 | 
| Harvard University Herbaria Barcode | 00585425 | 
| Herbarium | FH | 
| Family | Agaricaceae | 
| Determination | Hypholoma udum (Persoon) Quélet: Fries | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |