| Name | Diaporthe occidentalis Saccardo & Spegazzini |
| Authorship | Saccardo & Spegazzini |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Diaporthe |
| Citation | 1878 Michelia 1(4): 385 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Diaporthe occidentalis Saccardo & Spegazzini |
| Identification made in | [no date] (1) |