| Name | Caloplaca ulmorum (Fink) Fink |
| Authorship | (Fink) Fink |
| Rank | Species |
| Placed in | Caloplaca Th. Fries |
| Citation | 1935 Lich. Fl. U.S. 355 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Caloplaca ulmorum (Fink) Fink |
| Identification made in | [no date] (2) |
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