| Name | Glyceria occidentalis (Piper) J. C. Nelson |
| Authorship | (Piper) J. C. Nelson |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Glyceria |
| Citation | 1919 Torreya 19: 224 |
| Holdings | 16 Specimens held in the Harvard University Herbaria identified as Glyceria occidentalis (Piper) J. C. Nelson |
| Identification made in | [no date] (15), 1987 (1) |