| Name | Ustilago segetum (Bulliard) Roussel |
| Authorship | (Bulliard) Roussel |
| Rank | Species |
| NomenclaturalStatus | NomRej |
| Placed in | Ustilago |
| Contains | Ustilago segetum f. avenae-sativae Saccardo Ustilago segetum f. polygoni P. Karsten |
| Citation | 1806 Fl. Calvados 47 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ustilago segetum (Bulliard) Roussel |
| Identification made in | [no date] (1) |