| Name | Uromyces holwayi Lagerheim |
| Authorship | Lagerheim |
| Rank | Species |
| Placed in | Uromyces (Link) Unger |
| Citation | 1889 Hedwigia 28: 108 |
| Holdings | 23 Specimens held in the Harvard University Herbaria identified as Uromyces holwayi Lagerheim |
| Identification made in | [no date] (23) |