| Name | Microsphaera pusilla U. Braun |
| Authorship | U. Braun |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Microsphaera Léveillé |
| Citation | 1982 Mycotaxon 15: 124 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Microsphaera pusilla U. Braun |
| Identification made in | 1982 (1) |