| Name | Aecidium compositarium f. tussilaginis (J. F. Gmelin: Persoon) P. Karsten |
| Authorship | (J. F. Gmelin: Persoon) P. Karsten |
| Rank | Forma |
| Placed in | Aecidium compositarium Martius |
| Citation | 1861 Fungi Fenniae Exsicc. 1: 39 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Aecidium compositarium f. tussilaginis (J. F. Gmelin: Persoon) P. Karsten |
| Identification made in | [no date] (1) |