| Name | Microsphaera magnusii S. Blumer |
| Authorship | S. Blumer |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Microsphaera Léveillé |
| Citation | 1933 Beitr. Kryptogamenfl. Schweiz 7(1): 299 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Microsphaera magnusii S. Blumer |
| Identification made in | [no date] (1), 1987 (1) |