| Name | Erysiphe martii f. phlogis Thümen |
| Authorship | Thümen |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe martii Léveillé |
| Citation | 1876 Mycoth. Univ. Cent. 5: no. 449 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Erysiphe martii f. phlogis Thümen |
| Identification made in | [no date] (4) |