| Name | Diaporthe oncostoma f. robiniae-inermis Saccardo |
| Authorship | Saccardo |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Diaporthe oncostoma (Duby) Fuckel |
| Citation | 1875 Mycoth. Veneta Cent. III: no. 219 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Diaporthe oncostoma f. robiniae-inermis Saccardo |
| Identification made in | [no date] (1) |