| Classification | Ophioglossaceae: Botrychium |
| Harvard University Herbaria Barcode(s) | 00675773 |
| Type Status | Syntype |
| Collector | A. A. Eaton |
| Country | United States of America |
| State | New Hampshire |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Hampshire: Rockingham County: Kensington |
| Locality | Kensington N.H. |
| Date Collected | 1896-07-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/dca5f716-75dd-4f8f-9108-78d6f448c1e2 |
| Harvard University Herbaria Barcode | 00675773 |
| Herbarium | GH |
| Previous ownership | [Ex] Herbarium of Alvah A. Eaton |
| Family | Ophioglossaceae |
| Type Status | Syntype |
| Syntype of | Botrychium tenebrosum A. A. Eaton |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Botrychium tenebrosum A. A. Eaton) Fern Bull. 1899. 7: 8. |
| Family | Ophioglossaceae |
| Determination | Botrychium tenebrosum A. A. Eaton |
| Determination Remarks | [label name] [current name] |
| Annotation Text | Type specimens |
| Family | Ophioglossaceae |
| Determination | Botrychium tenebrosum A. A. Eaton |
| Determined by | PZ [P. F. Zika] |
| Date Determined | 2003 |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
