| Name | Aecidium crepidis-montanae Sydow & P. Sydow |
| Authorship | Sydow & P. Sydow |
| Rank | Species |
| Placed in | Aecidium |
| Citation | 1901 [Jan 1901] Oesterr. Bot. Z. 51(1): 29 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Aecidium crepidis-montanae Sydow & P. Sydow |
| Identification made in | [no date] (1) |