| Farlowiella | Farlowiella carmichaeliana |
| Fenestella | Fenestella fenestrata |
| Flammocladiella | Flammocladiella decora |
| Fragosphaeria | Fragosphaeria purpurea |
| Fragosphaeria reniformis | |
| Fusarium | Fusarium acuminatum |
| Fusarium avenaceum | |
| Fusarium chlamydosporum | |
| Fusarium culmorum | |
| Fusarium equiseti | |
| Fusarium graminearum | |
| Fusarium heterosporum | |
| Fusarium lateritium | |
| Fusarium sambucinum | |
| Fusicolla | Fusicolla melogrammae |
| Fusicolla ossicola | |
| Fusoidiella | Fusoidiella depressa |