| Classification | Equisetaceae: Equisetum |
| Harvard University Herbaria Barcode(s) | 00747295 |
| Type Status | Syntype |
| Collector | A. A. Eaton |
| Collector number | 70 |
| Country | United States of America |
| State | New Hampshire |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Hampshire: Rockingham County: North Hampton |
| Locality | North Hampton |
| Date Collected | 1896 [August 1896] |
| Habitat | ["Found at intervals for a mile along the railroad grade"] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a8bdd42b-e8eb-4a4e-82f3-e83ec86a7ebb |
| Harvard University Herbaria Barcode | 00747295 |
| Herbarium | NEBC |
| Previous ownership | Fern Bulletin Distribution |
| Family | Equisetaceae |
| Type Status | Syntype |
| Syntype of | Equisetum hyemale var. pumilum A. A. Eaton |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2024 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Equisetum hyemale var. pumilum A. A. Eaton) Fern Bull. 1903. 11: 109. |
| Family | Equisetaceae |
| Determination | Equisetum praealtum Rafinesque |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2024 |
| Determination Remarks | [current name] |
| Family | Equisetaceae |
| Determination | Equisetum hyemale f. pumilum (A. A. Eaton) Victorin |
| Determined by | [M. L. Fernald (scripsit)] |
| Annotation Text | Isotype |
| Family | Equisetaceae |
| Determination | Equisetum hyemale var. pumilum A. A. Eaton |
| Determination Remarks | [label name] |
| Annotation Text | Cotype |
| Preparation Type | Sheet |
| Preparation Method | Pressed |