| Name | Apiosporium stygium f. mali Saccardo |
| Authorship | Saccardo |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Apiosporium stygium Wallroth |
| Citation | 1881 Mycoth. Veneta Cent. 15: no. 1445 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Apiosporium stygium f. mali Saccardo |
| Identification made in | [no date] (1) |