| Name | Aecidium hydnoideum Berkeley & M. A. Curtis |
| Authorship | Berkeley & M. A. Curtis |
| Rank | Species |
| Placed in | Aecidium |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Aecidium hydnoideum Berkeley & M. A. Curtis |
| Identification made in | [no date] (7) |