| Classification | Equisetaceae: Equisetum | 
| Harvard University Herbaria Barcode(s) | 00709276 | 
| Collector | A. A. Eaton | 
| Collector number | 2464 | 
| Country | United States of America | 
| State | Vermont | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Vermont: Windsor County: Royalton | 
| Locality | Royalton | 
| Date Collected | 1891-07-18 [July 18, 1891] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/da51f053-d8d6-4e38-a084-44b020bd0ee3 | 
| Harvard University Herbaria Barcode | 00709276 | 
| Herbarium | NEBC | 
| Family | Equisetaceae | 
| Determination | Equisetum ×mackaii (Newm.) Brichan | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |