| Classification | Cyperaceae: Cyperus | 
| Barcode(s) | 00027690 | 
| Type Status | Holotype | 
| Collector | C. Wright | 
| Country | Cuba | 
| State | Pinar del Rio | 
| Geography | North America: Caribbean (Region): Cuba: Pinar del Rio | 
| Locality | [protologue: "En las sabanas de la Vuelta de Abajo.”
 | 
| Container | Plantae Cubenses Wrightianae. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/17f82f76-652f-4343-ab5b-41a590846c88 | 
| Harvard University Herbaria Barcode | 00027690 | 
| Herbarium | GH | 
| Family | Cyperaceae | 
| Type Status |  Holotype | 
| Holotype of |  Cyperus productus C. Wright | 
| Verified by | Kittredge, Walter Tobey | 
| Date Determined | 2015 | 
| Determination Remarks |  [filed under] | 
| Taxon Reference | (for  Cyperus productus C. Wright) Anales Acad. Ci. Med. Habana 1871. 8: 77. | 
| Family | Cyperaceae | 
| Determination |  Cyperus aggregatus (Willdenow) Endlicher | 
| Determined by | Kittredge, Walter Tobey | 
| Date Determined | 2015 | 
| Determination Remarks |  [current name] | 
| Annotation Text | var. aggregatus | 
| Family | Cyperaceae | 
| Determination |  Cyperus ekmanii Kükenthal | 
| Determined by | O'Neill, Hugh Thomas | 
| Date Determined | 1944-04-11 | 
| Family | Cyperaceae | 
| Determination |  Cyperus productus C. Wright | 
| Determination Remarks |  [label name] | 
| Family | Cyperaceae | 
| Determination |  Cyperus productus C. Wright | 
| Determined by | Howard, Richard Alden | 
| Annotation Text | Isotype Fl. Cub. p 172 | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |