| Classification | Cyperaceae: Carex |
| Barcode(s) | 00342773 |
| Type Status | Holotype |
| Collector | Emerson Davis |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Hampden County: Westfield |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cd767909-2f85-4201-9bea-514db194d543 |
| Harvard University Herbaria Barcode | 00342773 |
| Herbarium | GH |
| Previous ownership | Herbarium of Chester Dewey. Secured February, 1904, through exchange with Bates College. |
| Family | Cyperaceae |
| Type Status | Holotype |
| Holotype of | Carex halseyana Dewey |
| Verified by | Reznicek, Anton Albert |
| Date Determined | 2012 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Carex halseyana Dewey) Amer. J. Sci. Arts 1826. 11: 313. |
| Family | Cyperaceae |
| Determination | Carex polymorpha Muhlenberg |
| Determined by | Reznicek, Anton Albert |
| Date Determined | 2012 |
| Determination Remarks | [current name] |
| Family | Cyperaceae |
| Determination | Carex halseyana Dewey |
| Determined by | C.D. [C. Dewey] |
| Date Determined | 1865 |
| Annotation Text | This is the name, & not polymorpha, as in Wood, for that means B species B is no name. |
| Family | Cyperaceae |
| Determination | InQuestion Carex polymorpha Muhlenberg |
| Determination Remarks | [label name] |
| Annotation Text | var.? |
| Family | Cyperaceae |
| Determination | Carex polymorpha Muhlenberg |
| Determined by | KM. [K. K. Mackenzie] |
| Family | Cyperaceae |
| Determination | Carex halseyana Dewey |
| Determination Remarks | [label name] |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
