| Classification | Polyporaceae: Rigidoporus |
| Harvard University Herbaria Barcode(s) | 00588430 |
| Collector | [no data available] |
| Collector number | 30184 |
| Country | United States of America |
| State | Michigan |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Berrien County |
| Locality | [data not captured] |
| Date Collected | 1955-09-03 |
| Project | Macrofungi TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/36b28236-3296-4884-8843-79c06fc845f1 |
| Harvard University Herbaria Barcode | 00588430 |
| 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 |
