| Name | Lecanora umbrosa Degelius |
| Authorship | Degelius |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Lecanora Acharius |
| Citation | 1943 Bot. Not. 105 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lecanora umbrosa Degelius |
| Identification made in | [no date] (1) |