| Name | Uromyces polymorphus Peck & Clinton |
| Authorship | Peck & Clinton |
| Rank | Species |
| Placed in | Uromyces (Link) Unger |
| Citation | 1878 Rep. (Annual) New York State Mus. Nat. Hist. 31: 43 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Uromyces polymorphus Peck & Clinton |
| Identification made in | [no date] (1) |