| Classification | Cyperaceae: Carex |
| Harvard University Herbaria Barcode(s) | 00954692 |
| Collector | W. F. Brace |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Concord |
| Locality | [Old] Calf Pasture |
| Date Collected | 2001-07-07 |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/59feba66-860a-4c3d-8cce-5a51e18189c8 |
| Harvard University Herbaria Barcode | 00954692 |
| Herbarium | NEBC |
| Family | Cyperaceae |
| Determination | Carex haydenii Dewey |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
