| Name | Microsphaera umbilici Komarov |
| Authorship | Komarov |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Microsphaera Léveillé |
| Remarks | Microsphaera umbilici Komarov, Fungi Rossiae Exsiccati no. 29. 1895 (invalid) |
| Citation | 1895 Bot. Zap. 4(2): 270 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Microsphaera umbilici Komarov |
| Identification made in | [no date] (3), 1984 (1) |