| Classification | Cyperaceae |
| Classification 1 | Cyperaceae: Cyperus |
| Harvard University Herbaria Barcode(s) | 01005283 |
| Collector | E. D. Barkley |
| Collector number | 37411 |
| Country | United States of America |
| State | Louisiana |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Louisiana: Ouachita County |
| Locality | Monroe |
| Date Collected | 1967-07-06 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4fc35ebc-d6ba-45fe-8319-85f0d584f82a |
| Harvard University Herbaria Barcode | 01005283 |
| Herbarium | GH |
| Family | Cyperaceae |
| Determination | Cyperus Linnaeus |
| Determination Remarks | [0] |
| Family | Cyperaceae |
| Determination | Cyperus retrofractus (Linnaeus) Torrey |
| Determined by | Gordon C. Tucker (EIU) |
| Date Determined | 2018 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
