| Classification | Equisetaceae: Equisetum | 
| Barcode(s) | 00709272 | 
| Collector | S. F. Blake | 
| Collector number | 2345 | 
| Country | United States of America | 
| State | Vermont | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Vermont: Chittenden County: Essex | 
| Locality | Essex | 
| Date Collected | 1911-07-29 [29 July 1911] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ea090005-0636-46f2-a648-dc4e5033063d | 
| Harvard University Herbaria Barcode | 00709272 | 
| Herbarium | NEBC | 
| Family | Equisetaceae | 
| Determination |  Equisetum ×mackaii (Newm.) Brichan | 
| Determination Remarks |  [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |