| Name | Microsphaera semitosta Berkeley & M. A. Curtis |
| Authorship | Berkeley & M. A. Curtis |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Microsphaera Léveillé |
| Citation | 1857 Introd. Crypt. Bot. 278 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Microsphaera semitosta Berkeley & M. A. Curtis |
| Identification made in | [no date] (3), 1985 (1) |