| Name | Calamagrostis steyermarkii Swallen |
| Authorship | Swallen |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Calamagrostis Adanson |
| GUID | urn:lsid:ipni.org:names:394842-1 |
| Citation | 1949 Contr. U.S. Natl. Herb. 29: 258 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Calamagrostis steyermarkii Swallen |
| Identification made in | [no date] (1) |