| Name | Carex ruthii Mackenzie |
| Authorship | Mackenzie |
| Rank | Species |
| Placed in | Carex Linnaeus |
| Citation | 1931 N. Amer. Fl. 18(2): 112 |
| Holdings | 15 Specimens held in the Harvard University Herbaria identified as Carex ruthii Mackenzie |
| Identification made in | [no date] (15) |
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