| Name | Phylloporus rhodoxanthus subsp. americanus Singer |
| Authorship | Singer |
| Rank | Subspecies |
| Placed in | Phylloporus rhodoxanthus (Schweinitz) Bresàdola |
| GUID | urn:lsid:indexfungorum.org:names:517235 |
| Citation | 1945 Farlowia 2(2): 283 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Phylloporus rhodoxanthus subsp. americanus Singer |
| Identification made in | [no date] (3), 1982 (1) |