| Name | Carex emmonsii var. muhlenbergii (A. Gray ex Torrey) Rettig |
| Authorship | (A. Gray ex Torrey) Rettig |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Carex emmonsii Dewey |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Carex emmonsii var. muhlenbergii (A. Gray ex Torrey) Rettig |
| Identification made in | [no date] (1), 1988 (2) |