| Name | Polyporus spissus Schweinitz ex Fries |
| Authorship | Schweinitz ex Fries |
| Rank | Species |
| Placed in | Polyporus |
| Remarks | Elench. fung. (Greifswald) 1: 111 (1828) |
| GUID | urn:lsid:indexfungorum.org:names:374306 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Polyporus spissus Schweinitz ex Fries |
| Identification made in | [no date] (7) |
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