| Name | Phacidium trifolii f. trifolii-repentis Saccardo |
| Authorship | Saccardo |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Phacidium trifolii (Bivona: Fries) Boudier ex Cooke |
| Citation | 1876 Mycoth. Veneta Cent. 8: no. 721 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phacidium trifolii f. trifolii-repentis Saccardo |
| Identification made in | [no date] (1) |