| Classification | Plantaginaceae: Callitriche | 
| Harvard University Herbaria Barcode(s) | 00745098 | 
| Collector | M. L. Fernald | 
| Country | United States of America | 
| State | New Hampshire | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Hampshire: Cheshire County: Walpole | 
| Locality | Walpole | 
| Date Collected | 1901-07-13 [July 13, 1901] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1675c6a4-babd-4efb-8032-024a3c3d9837 | 
| Harvard University Herbaria Barcode | 00745098 | 
| Herbarium | GH | 
| Family | Plantaginaceae | 
| Determination | Callitriche heterophylla Pursh | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |