| Name | Carex decomposita Muhlenberg |
| Authorship | Muhlenberg |
| Rank | Species |
| Placed in | Carex Linnaeus |
| Citation | 1817 Descr. Gram. [Muhlenberg] 264(-265) |
| Holdings | 52 Specimens held in the Harvard University Herbaria identified as Carex decomposita Muhlenberg |
| Identification made in | [no date] (52) |