| Name | Uromyces claytoniae Cooke & Peck |
| Authorship | Cooke & Peck |
| Rank | Species |
| Placed in | Uromyces (Link) Unger |
| Citation | 1878 [1876] Rep. (Annual) Regents Univ. State New York State Cab. Nat. Hist. 29: 50 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Uromyces claytoniae Cooke & Peck |
| Identification made in | [no date] (1) |