| Classification | Cyperaceae: Carex |
| Harvard University Herbaria Barcode(s) | 01059435 |
| Collector | F. C. Seymour |
| Collector number | 1131 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Dukes County: Chilmark |
| Locality | Chilmark |
| Date Collected | 1917-06-07 [7 June 1917] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3637ce9b-f82d-4e26-9ef3-84c490d56e2d |
| Harvard University Herbaria Barcode | 01059435 |
| Herbarium | NEBC |
| Family | Cyperaceae |
| Determination | Carex tonsa var. rugosperma (Mackenzie) Crins |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
