| Name | Elymus riparius Wiegand |
| Authorship | Wiegand |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Elymus Linnaeus |
| GUID | urn:lsid:ipni.org:names:400415-1 |
| Citation | 1918 Rhodora 20: 84 |
| Holdings | 132 Specimens held in the Harvard University Herbaria identified as Elymus riparius Wiegand |
| Identification made in | [no date] (131), 2019 (1) |