| Name | Uncinula circinata Cooke & Peck |
| Authorship | Cooke & Peck |
| Rank | Species |
| Placed in | Uncinula |
| Citation | 1873 [1872] Rep. (Annual) New York State Mus. Nat. Hist. 25: 96 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Uncinula circinata Cooke & Peck |
| Identification made in | [no date] (9), 1979 (1) |