| Name | Microcoleus vaginatus Gomont ex Gomont |
| Authorship | Gomont ex Gomont |
| Rank | Species |
| Placed in | Microcoleus Desmazières ex Gomont |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Microcoleus vaginatus Gomont ex Gomont |
| Identification made in | [no date] (1), 1936 (1) |