| Classification | Cyperaceae: Carex | 
| Harvard University Herbaria Barcode(s) | 00058560 | 
| Type Status | Isotype | 
| Collector | W. W. Eggleston | 
| Collector number | 6605 | 
| Country | United States of America | 
| State | New Mexico | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Mexico: Rio Arriba County | 
| Locality | Pass southeast of Tierra Amarilla | 
| Date Collected | 1911-04-18 - 1911-05-25 | 
| Elevation | 2320 m | 
| Verbatim Elevation | 2320 meters | 
| Habitat | Pinon belt | 
| Container | Plants of New Mexico | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b0fe01e0-6aa3-468a-9b6d-5b38151b9d78 | 
| Harvard University Herbaria Barcode | 00058560 | 
| Herbarium | GH | 
| Previous ownership | [ex] Smithsonian Institution From the United States National Herbarium | 
| Family | Cyperaceae | 
| Type Status | Isotype | 
| Isotype of | Carex pityophila Mackenzie | 
| Verified by | Poindexter, Derick B. | 
| Date Determined | 2023-10-11 | 
| Determination Remarks | [filed under] [current name] | 
| Taxon Reference | (for  Carex pityophila Mackenzie) Bull. Torrey Bot. Club 1913. 40: 545. | 
| Family | Cyperaceae | 
| Type Status | Isotype | 
| Isotype of | Carex pityophila Mackenzie | 
| Verified by | Ford, Bruce Austin | 
| Date Determined | 2014 | 
| Taxon Reference | (for  Carex pityophila Mackenzie) Bull. Torrey Bot. Club 1913. 40: 545. | 
| Family | Cyperaceae | 
| Type Status | Isotype | 
| Isotype of | Carex pityophila Mackenzie | 
| Verified by | Crins, W. J. | 
| Date Determined | 1995 | 
| Taxon Reference | (for  Carex pityophila Mackenzie) Bull. Torrey Bot. Club 1913. 40: 545. | 
| Family | Cyperaceae | 
| Determination | Carex rossii Boott | 
| Determined by | Ford, Bruce Austin | 
| Date Determined | 2014 | 
| Annotation Text | (incl. C. brevipes W. Boott ex Mackenzie and C. pityophila) | 
| Family | Cyperaceae | 
| Determination | Carex geophila Mackenzie | 
| Determined by | Crins, W. J. | 
| Date Determined | 1995 | 
| Family | Cyperaceae | 
| Determination | Carex pityophila Mackenzie | 
| Determined by | [annotation on label] | 
| Family | Cyperaceae | 
| Determination | Carex sp. | 
| Determination Remarks | [label name] | 
| Family | Cyperaceae | 
| Determination | Carex pityophila Mackenzie | 
| Determined by | [no data available] | 
| Annotation Text | Isotype [in pencil] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |