| Classification | Equisetaceae: Equisetum | 
| Harvard University Herbaria Barcode(s) | 00694373 | 
| Collector | Ralph Hoffmann | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Berkshire County: Stockbridge | 
| Locality | Stockbridge | 
| Date Collected | 1920-09-04 [Sept 4, 1920] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d04d46bc-1a43-460d-bc7a-58504c6c5871 | 
| Harvard University Herbaria Barcode | 00694373 | 
| Herbarium | NEBC | 
| Family | Equisetaceae | 
| Determination | Equisetum hyemale var. affine (Engelmann) A. A. Eaton | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |