| Name | Anastrepta orcadensis f. tenuis Schiffner |
| Authorship | Schiffner |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Anastrepta orcadensis (Hooker) Schiffner |
| Citation | 1908 Krit. Bemerk. Eur. Lebermoose 5: 29 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Anastrepta orcadensis f. tenuis Schiffner |
| Identification made in | [no date] (2) |