| Name | Carex fusiformis var. enervosa Kükenthal |
| Authorship | Kükenthal |
| Rank | Variety |
| Placed in | Carex fusiformis Nees |
| Citation | 1940 Bot. Jahrb. Syst. 70: 467 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Carex fusiformis var. enervosa Kükenthal |
| Identification made in | [no date] (1) |