| Name | Diaporthe orthoceras f. eupatorii-cannabini Saccardo |
| Authorship | Saccardo |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Diaporthe orthoceras (Fries: Fries) Nitschke |
| Citation | 1876 Mycoth. Veneta Cent. 7: no. 667 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Diaporthe orthoceras f. eupatorii-cannabini Saccardo |
| Identification made in | [no date] (1) |