| Name | Porphyrellus subflavidus (Murrill) Singer |
| Authorship | (Murrill) Singer |
| Rank | Species |
| Placed in | Porphyrellus |
| GUID | urn:lsid:indexfungorum.org:names:289933 |
| Citation | 1945 Farlowia 2: 120 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Porphyrellus subflavidus (Murrill) Singer |
| Identification made in | [no date] (5) |