| Classification | Cyperaceae: Carex | 
| Harvard University Herbaria Barcode(s) | 00260196 | 
| Collector | G. B. Rossbach | 
| Collector number | 979 | 
| Country | United States of America | 
| State | Maine | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Kennebec County: Unity Township | 
| Locality | Near Twenty-five Mile Stream & Unity Pond | 
| Date Collected | 1935-06-16 | 
| Habitat | Swampy edge of meadow | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4bc03d7d-70c0-4442-8304-3418f979d699 | 
| Harvard University Herbaria Barcode | 00260196 | 
| Herbarium | NEBC | 
| Family | Cyperaceae | 
| Determination | Carex haydenii Dewey | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |