| Name | Polyporus nigropurpurascens Schweinitz |
| Authorship | Schweinitz |
| Rank | Species |
| Placed in | Polyporus |
| GUID | urn:lsid:indexfungorum.org:names:472723 |
| Citation | 1832 Trans. Amer. Philos. Soc. 4(2): 156 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polyporus nigropurpurascens Schweinitz |
| Identification made in | [no date] (2) |