| Classification | Equisetaceae: Equisetum |
| Barcode(s) | 00709266 |
| Collector | F. C. Seymour |
| Collector number | 24175a |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Franklin County: New Sharon |
| Locality | New Sharon |
| Date Collected | 1966-07-21 [21 July 1966] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/623bc881-f269-4c8c-8240-020230eb9827 |
| Harvard University Herbaria Barcode | 00709266 |
| Herbarium | NEBC |
| Family | Equisetaceae |
| Determination | Equisetum ×mackaii (Newm.) Brichan |
| Determination Remarks | [filed under] [current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |