| Name | Phyllactinia guttata f. crataegi-oxyacanthae Saccardo |
| Authorship | Saccardo |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Phyllactinia guttata (Wallroth) Léveillé |
| Citation | 1876 Mycoth. Veneta Cent. 7: no. 621 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phyllactinia guttata f. crataegi-oxyacanthae Saccardo |
| Identification made in | [no date] (1) |