| Classification | Cyperaceae: Carex |
| Harvard University Herbaria Barcode(s) | 00058559 |
| Type Status | Holotype |
| Collector | J. Barratt |
| Country | United States of America |
| State | New York |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Putnam County: Philippstown |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/aa78d7f2-81b8-478a-ae3c-5fb8b909b963 |
| Harvard University Herbaria Barcode | 00058559 |
| Herbarium | GH |
| Family | Cyperaceae |
| Determination | Carex tonsa var. rugosperma (Mackenzie) Crins |
| Determination Remarks | The Gray Herbarium Library copy of Mackenzie's treatment of Carex in N. Amer. Fl. 18: 204. 1931, has the following handwritten note: "type in Gray Herb. is not this [Carex umbellata Schkuhr] but "C. rugosperma" [is Current name] |
| Family | Cyperaceae |
| Type Status | Holotype |
| Holotype of | Carex umbellata var. vicina Dewey |
| Verified by | W. J. Crins |
| Taxon Reference | (for Carex umbellata var. vicina Dewey) Amer. J. Sci. Feb. 1826. 10: tab. d, fig. 13. |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
