| 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) |