| Classification | Ophioglossaceae: Botrychium |
| Harvard University Herbaria Barcode(s) | 00675805 |
| Collector | E. F. Williams |
| Collector number | 1 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Franklin County: Ashfield |
| Locality | Ashfield |
| Date Collected | 1907-07-12 [July 12. 1907] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c2655638-e8b7-4eb6-9041-68e1a0beccd0 |
| Harvard University Herbaria Barcode | 00675805 |
| Herbarium | GH |
| Family | Ophioglossaceae |
| Determination | Botrychium simplex var. tenebrosum (A. A. Eaton) R. T. Clausen |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
