| Name | Botrychium occidentale Underwood | 
| Authorship | Underwood | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Botrychium | 
| GUID | urn:lsid:ipni.org:names:1026183-2 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Botrychium occidentale Underwood | 
| Identification made in | [no date] (1) |