| Classification | Cyperaceae: Carex |
| Harvard University Herbaria Barcode(s) | 00766527 |
| Collector | H. St. John |
| Collector number | 478 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Arlington |
| Locality | Arlington Hts. [Heights] |
| Date Collected | 1912-04-28 [April 28, 1912] |
| Habitat | Dry crests |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a4743050-16ad-4026-9013-c6d10c85843b |
| Harvard University Herbaria Barcode | 00766527 |
| 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 |
