| Name | Microcoleus rupicola (Tilden) F. E. Drouet |
| Authorship | (Tilden) F. E. Drouet |
| Rank | Species |
| Placed in | Microcoleus Desmazières ex Gomont |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Microcoleus rupicola (Tilden) F. E. Drouet |
| Identification made in | [no date] (1) |