| Name | Phragmidium ivesiae Sydow & P. Sydow |
| Authorship | Sydow & P. Sydow |
| Rank | Species |
| Placed in | Phragmidium |
| Citation | 1903 Ann. Mycol. 1 (4): 329 |
| Holdings | 87 Specimens held in the Harvard University Herbaria identified as Phragmidium ivesiae Sydow & P. Sydow |
| Identification made in | [no date] (75), 1908 (1), 1990 (11) |