| Name | Carex scoparia f. condensa (Fernald) Kükenthal |
| Authorship | (Fernald) Kükenthal |
| Rank | Forma |
| Placed in | Carex scoparia Schkuhr ex Willdenow |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Carex scoparia f. condensa (Fernald) Kükenthal |
| Identification made in | [no date] (3) |