| Name | Microsphaera sydowiana U. Braun |
| Authorship | U. Braun |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Microsphaera Léveillé |
| Citation | 1982 Mycotaxon 15:139 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Microsphaera sydowiana U. Braun |
| Identification made in | 1982 (2) |