| Name | Calamagrostis chordorrhiza A. E. Porsild |
| Authorship | A. E. Porsild |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Calamagrostis Adanson |
| GUID | urn:lsid:ipni.org:names:394375-1 |
| Citation | 1943 Sargentia 4: 9 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Calamagrostis chordorrhiza A. E. Porsild |
| Identification made in | [no date] (1) |