| Classification | Cyperaceae: Carex | 
| Harvard University Herbaria Barcode(s) | 00260276 | 
| Collector | W. Boott | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Winchester | 
| Locality | Below Fullams | 
| Date Collected | 1853-06-29 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/52b9dbad-3bab-479c-b75a-c510548ad8ee | 
| Harvard University Herbaria Barcode | 00260276 | 
| Herbarium | GH | 
| Family | Cyperaceae | 
| Determination | Carex haydenii Dewey | 
| Determined by | L. A.Standley | 
| Date Determined | 1988 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |