| Classification | Equisetaceae: Equisetum |
| Harvard University Herbaria Barcode(s) | 00021204 |
| Type Status | Isotype |
| Collector | W. N. Clute |
| Country | United States of America |
| State | Illinois |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Illinois: Will County: Joliet |
| Date Collected | 1903-09-08 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/19645650-4f2d-400d-bf6c-05f9cda9b9bf |
| Harvard University Herbaria Barcode | 00021204 |
| Herbarium | GH |
| Previous ownership | [Ex] Herbarium of Alvah A. Eaton Purchased by the Gray Herbarium, 1909 |
| Family | Equisetaceae |
| Type Status | Isotype |
| Isotype of | Equisetum ×ferrissii Clute |
| Verified by | Hauke, Richard L. |
| Date Determined | 1959-08-** |
| Determination Remarks | [filed under] [current name] |
| Taxon Reference | (for Equisetum ×ferrissii Clute) Fern Bull. 1904. 12: 22. |
| Family | Equisetaceae |
| Determination | Equisetum ×ferrissii Clute |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
