| Name | Uromyces ambiguus (de Candolle) Niessl |
| Authorship | (de Candolle) Niessl |
| Rank | Species |
| Placed in | Uromyces (Link) Unger |
| Citation | 1864 Verh. Naturf. Vereins BrĂ¼nn 3: 113 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Uromyces ambiguus (de Candolle) Niessl |
| Identification made in | [no date] (3) |