| Classification | Cyperaceae: Cyperus | 
| Barcode(s) | 00027671 | 
| Type Status | Type | 
| Collector | F. M. Liebmann | 
| Country | Mexico | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico | 
| Locality | Chinantla, alt. 7000 feet | 
| Date Collected |  [Jul] | 
| Elevation | 2133 m | 
| Remarks | = Cyperus niger Ruiz & Pavon (det. H. O'Neill, 1941) | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f10580c9-80d9-4afd-9947-04402723de53 | 
| Harvard University Herbaria Barcode | 00027671 | 
| Herbarium | GH | 
| Family | Cyperaceae | 
| Type Status |  Type | 
| Type of |  Cyperus melanostachyos var. gracilis Liebmann | 
| Taxon Reference | (for  Cyperus melanostachyos var. gracilis Liebmann) Mexic. Halvgr. 1850. 14. | 
| Family | Cyperaceae | 
| Determination |  Cyperus niger Ruiz & Pavon | 
| Determined by | H. O'Neill | 
| Determination Remarks |  [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |