| Name | Calamagrostis perplexa Scribner |
| Authorship | Scribner |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Calamagrostis Adanson |
| GUID | urn:lsid:ipni.org:names:40541-2 |
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Calamagrostis perplexa Scribner |
| Identification made in | [no date] (3), 1917 (1), 1969 (2), 1980 (6), 2005 (2) |