| Name | Botrychium tenebrosum A. A. Eaton |
| Authorship | A. A. Eaton |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Botrychium |
| GUID | urn:lsid:ipni.org:names:17061570-1 |
| Citation | 1899 Fern Bull. 7: 8 |
| Holdings | 26 Specimens held in the Harvard University Herbaria identified as Botrychium tenebrosum A. A. Eaton |
| Identification made in | [no date] (21), 1989 (1), 2003 (4) |