| Classification | Equisetaceae: Equisetum |
| Barcode(s) | 00674881 |
| Collector | E. F. Williams |
| Collector number | 820 |
| Country | United States of America |
| State | New Hampshire |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Hampshire: Coos County: Gorham |
| Locality | Gorham |
| Date Collected | 1903-07-27 [27 July, 1903] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7e9d86f6-d411-4875-ac35-b8b4f8d4c678 |
| Harvard University Herbaria Barcode | 00674881 |
| Herbarium | GH |
| Family | Equisetaceae |
| Determination | Equisetum hyemale var. affine (Engelmann) A. A. Eaton |
| Determination Remarks | [filed under] [current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |