| Classification | Cyperaceae: Carex | 
| Harvard University Herbaria Barcode(s) | 00027291 | 
| Type Status | Type | 
| Collector | F. V. Hayden | 
| Country | United States of America | 
| State | Nebraska | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Nebraska | 
| Locality | Big Sioux River | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c70a9362-41d9-4498-b34a-ff58d7628076 | 
| Harvard University Herbaria Barcode | 00027291 | 
| Herbarium | GH | 
| Family | Cyperaceae | 
| Type Status | Type | 
| Type of | Carex laeviconica Dewey | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Carex laeviconica Dewey) Amer. J. Sci. Arts 1857. ser. 2, 24: 47. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |