| Name | Calamagrostis ophitidis (J. T. Howell) Nygren |
| Authorship | (J. T. Howell) Nygren |
| Rank | Species |
| Placed in | Calamagrostis Adanson |
| GUID | urn:lsid:ipni.org:names:394693-1 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Calamagrostis ophitidis (J. T. Howell) Nygren |
| Identification made in | [no date] (2), 2005 (2) |