| Name | Carex billingsii (O. W. Knight) Kirschbaum |
| Authorship | (O. W. Knight) Kirschbaum |
| Rank | Species |
| NomenclaturalStatus | NomInvalid |
| Placed in | Carex Linnaeus |
| GUID | urn:lsid:ipni.org:names:77093154-1 |
| Holdings | 84 Specimens held in the Harvard University Herbaria identified as Carex billingsii (O. W. Knight) Kirschbaum |
| Identification made in | [no date] (3), 2005 (81) |