| Classification | Carex: Cyperaceae | 
| Harvard University Herbaria Barcode(s) | 00766461 | 
| Collector | J. Parkin | 
| Country | United States of America | 
| State | Maine | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: York County: North Berwick | 
| Locality | North Berwick | 
| Date Collected | 1891-05-06 [May 6, 1891] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0cae1a0a-9aa0-4c87-9c30-f20b6cef2c62 | 
| Harvard University Herbaria Barcode | 00766461 | 
| Herbarium | NEBC | 
| Family | Cyperaceae | 
| Determination | Carex tonsa var. rugosperma (Mackenzie) Crins | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |