| Name | Letrouitia parabola (Nylander) R. Santesson & J. Hafellner |
| Authorship | (Nylander) R. Santesson & J. Hafellner |
| Rank | Species |
| Placed in | Letrouitia Hafellner & Bellemere |
| Citation | 1982 Nova Hedwigia 35(2&3): 281 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Letrouitia parabola (Nylander) R. Santesson & J. Hafellner |
| Identification made in | [no date] (2) |