| Name | Umbilicaria proboscidea (Linnaeus) Schrader |
| Authorship | (Linnaeus) Schrader |
| Rank | Species |
| Placed in | Umbilicaria Hoffmann |
| GUID | urn:lsid:indexfungorum.org:names:408149 |
| Citation | 1794 Spic. Fl. Germ. 1: 103 |
| Holdings | 97 Specimens held in the Harvard University Herbaria identified as Umbilicaria proboscidea (Linnaeus) Schrader |
| Identification made in | [no date] (95), 1948 (2) |