| Name | Umbilicaria formosana Frey |
| Authorship | Frey |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Umbilicaria Hoffmann |
| Citation | 1931 Hedwigia 71: 115 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Umbilicaria formosana Frey |
| Identification made in | [no date] (1) |