| Classification | Equisetaceae: Equisetum |
| Harvard University Herbaria Barcode(s) | 00709259 |
| Collector | O. W. Knight |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Aroostook County: Fort Kent |
| Locality | Fort Kent |
| Date Collected | 1904-07-09 [July 9 1904] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0acbf8d4-a05d-44c8-9efa-4eeb5a533a4e |
| Harvard University Herbaria Barcode | 00709259 |
| Herbarium | GH |
| Family | Equisetaceae |
| Determination | Equisetum ×mackaii (Newm.) Brichan |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
