| Name | Aecidium cornutum f. sorbi Rabenhorst ex P. Karsten |
| Authorship | Rabenhorst ex P. Karsten |
| Rank | Forma |
| NomenclaturalStatus | NomInvalid |
| Placed in | Aecidium cornutum J. F. Gmelin |
| Citation | 1861 Fungi Fenniae Exsicc. 1: 28 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Aecidium cornutum f. sorbi Rabenhorst ex P. Karsten |
| Identification made in | [no date] (1) |
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