| Name | Psathyra umbonata Peck |
| Authorship | Peck |
| Rank | Species |
| Placed in | Psathyra |
| Citation | 1898 ["1897"] Rep. (Annual) New York State Mus. Nat. Hist. 50: 106 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Psathyra umbonata Peck |
| Identification made in | [no date] (1) |
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