| Name | Aecidium magnatum Arthur |
| Authorship | Arthur |
| Rank | Species |
| Placed in | Aecidium |
| Citation | 1901 Bull. Torrey Bot. Club 28: 664 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Aecidium magnatum Arthur |
| Identification made in | [no date] (3) |
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