| Name | Aecidium calotheum Sydow |
| Authorship | Sydow |
| Rank | Species |
| Placed in | Aecidium |
| Citation | 1930 Ann. Mycol. 28(1/2): 50 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Aecidium calotheum Sydow |
| Identification made in | [no date] (2) |
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