| Name | Cercospora longissima Cooke & Ellis |
| Authorship | Cooke & Ellis |
| Rank | Species |
| Placed in | Cercospora |
| Citation | 1889 Grevillea 17 (83): 65 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cercospora longissima Cooke & Ellis |
| Identification made in | [no date] (1) |