| Classification | Polyporaceae: Rigidoporus |
| Harvard University Herbaria 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 | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
