| Name | Scirpus occidentalis (S. Watson) A. Chase |
| Authorship | (S. Watson) A. Chase |
| Rank | Species |
| Placed in | Scirpus Linnaeus |
| Citation | 1904 Rhodora 6: 68, pl. 53, fig. c |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Scirpus occidentalis (S. Watson) A. Chase |
| Identification made in | [no date] (1), 1904 (2) |