| Classification | Cyperaceae: Carex |
| Harvard University Herbaria Barcode(s) | 01059486 |
| Collector | C. H. Knowlton |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Hampden County: Brimfield |
| Locality | Brimfield |
| Date Collected | 1916-05-20 [May 20 1916] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/90feda77-50d7-4646-b867-c879200ff81b |
| Harvard University Herbaria Barcode | 01059486 |
| 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 |
