| Name | Polyporus concrescens Montagne |
| Authorship | Montagne |
| Rank | Species |
| Placed in | Polyporus |
| Citation | 1835 Ann. Sci. Nat., Bot. sér. 2 3: 350 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Polyporus concrescens Montagne |
| Identification made in | [no date] (3) |