| Name | Racomitrium didymium (Montagne) Lorentz |
| Authorship | (Montagne) Lorentz |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Racomitrium |
| Citation | 1866 Bot. Zeitung (Berlin) 24: 187 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Racomitrium didymium (Montagne) Lorentz |
| Identification made in | 2024 (8) |