| Name | Carex praeceptorum Mackenzie |
| Authorship | Mackenzie |
| Rank | Species |
| Placed in | Carex Linnaeus |
| Citation | 1931 N. Amer. Fl. 18(2): 95 |
| Holdings | 27 Specimens held in the Harvard University Herbaria identified as Carex praeceptorum Mackenzie |
| Identification made in | [no date] (13), 1978 (10), 1981 (1), 2005 (3) |