| Classification | Cyperaceae: Carex |
| Harvard University Herbaria Barcode(s) | 00058556 |
| Type Status | Isosyntype |
| Collector | C. B. Graves |
| Collector number | 220 |
| Country | United States of America |
| State | Connecticut |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Connecticut |
| Locality | North Stonington |
| Date Collected | 1901-05-30 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7c3946b0-671a-489b-ac6c-4d97d237f6e0 |
| Harvard University Herbaria Barcode | 00058556 |
| Herbarium | GH |
| Family | Cyperaceae |
| Type Status | Isosyntype |
| Isosyntype of | Carex umbellata var. tonsa Fernald |
| Verified by | W. J. Crins |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Carex umbellata var. tonsa Fernald) Proc. Amer. Acad. Arts 1902. 37: 507. |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
