| Name | Umbilicaria antarctica Frey & I. M. Lamb |
| Authorship | Frey & I. M. Lamb |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Umbilicaria Hoffmann |
| Citation | 1939 Trans. Brit. Mycol. Soc. 22(3-4): 270 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Umbilicaria antarctica Frey & I. M. Lamb |
| Identification made in | 1989 (1) |
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