| Name | Aecidium arctoum Arthur |
| Authorship | Arthur |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Aecidium |
| Citation | 1920 [29 Oct 1920] Bull. Torrey Bot. Club 47(10): 477 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Aecidium arctoum Arthur |
| Identification made in | [no date] (3) |