| Name | Aecidium tracyanum Sydow & P. Sydow |
| Authorship | Sydow & P. Sydow |
| Rank | Species |
| Placed in | Aecidium |
| Citation | 1901 Hedwigia 40: 129 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Aecidium tracyanum Sydow & P. Sydow |
| Identification made in | [no date] (2) |