| Name | Aecidium compositarum var. sonchi P. Karsten |
| Authorship | P. Karsten |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Aecidium compositarum Martius |
| Citation | 1867 Fungi Fenniae Exsicc. 7: 690 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Aecidium compositarum var. sonchi P. Karsten |
| Identification made in | [no date] (1) |
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