| Classification | Equisetaceae: Equisetum |
| Harvard University Herbaria Barcode(s) | 00021208 |
| 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 |
| Date Collected | 1896-08-** |
| Habitat | ["Found at intervals for a mile along the railroad grade"] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0494ffc1-282e-458d-bc69-975aecb9311f |
| Harvard University Herbaria Barcode | 00021208 |
| Herbarium | GH |
| Previous ownership | Fern Bulletin Distribution [Ex] harbarium of Alvah A. Eaton Purchased by the Gray Herbarium, 1909 |
| Family | Equisetaceae |
| Determination | Equisetum hyemale var. pumilum A. A. Eaton |
| Determination Remarks | [is label name] |
| Annotation Text | Cotype |
| Family | Equisetaceae |
| Determination | Equisetum hyemale var. pumilum A. A. Eaton |
| Determined by | Tryon, Rolla Milton |
| Date Determined | 1947 |
| Annotation Text | Chosen as the TYPE [publication?] |
| Family | Equisetaceae |
| Determination | Equisetum praealtum Rafinesque |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2024 |
| Determination Remarks | [is Current name] |
| Family | Equisetaceae |
| Type Status | Syntype |
| Syntype of | Equisetum hyemale var. pumilum A. A. Eaton |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2024 |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Equisetum hyemale var. pumilum A. A. Eaton) Fern Bull. 1903. 11: 109. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
