| Name | Sphaerotheca humuli f. rubi Rehm |
| Authorship | Rehm |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Sphaerotheca humuli (de Candolle) Burrill |
| Citation | 1912 Fasc. 50: no. 2000 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphaerotheca humuli f. rubi Rehm |
| Identification made in | [no date] (1) |