| Name | Ustilago caricis f. caricis-sylvaticae Saccardo |
| Authorship | Saccardo |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Ustilago caricis (Persoon: Persoon) Unger |
| Citation | 1881 Mycoth. Veneta Cent. 15: no. 1435 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ustilago caricis f. caricis-sylvaticae Saccardo |
| Identification made in | [no date] (1) |