| Name | Polyporus semisupinus Berkeley & M. A. Curtis |
| Authorship | Berkeley & M. A. Curtis |
| Rank | Species |
| Placed in | Polyporus |
| Citation | 1872 Grevillea 1(no. 4): 50 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Polyporus semisupinus Berkeley & M. A. Curtis |
| Identification made in | [no date] (1) |
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