| Classification | Cyperaceae: Carex | 
| Harvard University Herbaria Barcode(s) | 02467232 | 
| Collector | K. M. Wiegand & M. C. Wiegand | 
| Collector number | 202 | 
| Country | United States of America | 
| State | South Dakota | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: South Dakota: Custer County | 
| Locality | top of Needles Mountain, east of Sylvan Lake | 
| Date Collected | 1938-06-16 | 
| Verbatim Elevation | 6000 ft. [feet] ± | 
| Habitat | Gravel | 
| Container | Plants of South Dakota | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/81f0cfdd-64c3-4c41-82b7-749002036c70 | 
| Harvard University Herbaria Barcode | 02467232 | 
| Herbarium | GH | 
| Previous ownership | [ex] Dept. of Botany, Cornell University, Ithaca, N. Y. | 
| Family | Cyperaceae | 
| Determination | Carex rossii Boott | 
| Determined by | Poindexter, Derick B. | 
| Date Determined | 2022-11-18 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |