| Name | Macromitrium mucronifolium var. squarrosum Thériot |
| Authorship | Thériot |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Macromitrium mucronifolium (Hooker & Greville) Schwägrichen |
| Citation | 1940 Mem. Soc. Cub. Hist. Nat. "Felipe Poey" 14: 349 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Macromitrium mucronifolium var. squarrosum Thériot |
| Identification made in | [no date] (2) |