| Name | Diaporthe crassiuscula Saccardo & Bizzozero |
| Authorship | Saccardo & Bizzozero |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Diaporthe |
| Citation | 1881 Michelia 2(7): 378 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Diaporthe crassiuscula Saccardo & Bizzozero |
| Identification made in | [no date] (1) |