| Classification | Cyperaceae: Carex |
| Harvard University Herbaria Barcode(s) | 00766528 |
| 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: Middlesex County: Ashby |
| Locality | Ashby |
| Date Collected | 1914-05-30 [May 30, 1914] |
| Elevation | 183 - 244 m |
| Verbatim Elevation | 600-800 feet |
| Habitat | Dry sand |
| Container | Flora of North Central Massachusetts |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/083a2a68-66d3-4c18-9698-2225224822b9 |
| Harvard University Herbaria Barcode | 00766528 |
| 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 |
