| Classification | Cyperaceae: Carex |
| Harvard University Herbaria Barcode(s) | 00219601 |
| Collector | C. F. Wheeler |
| Country | United States of America |
| State | Maryland |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maryland |
| Locality | Lanham |
| Date Collected | 1905-05-14 |
| Habitat | in shade |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/417fa04a-71aa-4616-83b9-87e51ce28f7b |
| Harvard University Herbaria Barcode | 00219601 |
| Herbarium | GH |
| Family | Cyperaceae |
| Determination | Carex nigro-marginata Schweinitz |
| Determination Remarks | [is label name] |
| Family | Cyperaceae |
| Determination | Carex nigro-marginata Schweinitz |
| Determined by | J. Lahham (PAC) |
| Date Determined | 1980 |
| Family | Cyperaceae |
| Determination | Carex nigro-marginata Schweinitz |
| Determined by | J.H. Rettig (GA) |
| Date Determined | 1988 |
| Family | Cyperaceae |
| Determination | Compare Carex tonsa var. rugosperma (Mackenzie) Crins |
| Determined by | D. Werier (BH) |
| Date Determined | 2004-03-** |
| Determination Remarks | [is Current name] |
| Annotation Text | immature so could be C. umbellata |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
