| Classification | Polyporaceae: Rigidoporus | 
| Barcode(s) | 00588424 | 
| Collector | M. A. Howe | 
| Collector number | s.n. | 
| Country | United States of America | 
| State | New York | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Tompkins County: Ithaca | 
| Locality | [no additional data] | 
| Date Collected |  [s.d.] | 
| Project | Macrofungi TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/77852875-5976-41ed-8785-fe6e6fb52e98 | 
| Harvard University Herbaria Barcode | 00588424 | 
| Herbarium | FH | 
| Family | Polyporaceae | 
| Determination |  Rigidoporus nigrescens (Bresàdola) Donk | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |