| Name | Calamagrostis expansa (Munro ex Hillebrand) Hitchcock |
| Authorship | (Munro ex Hillebrand) Hitchcock |
| Rank | Species |
| Placed in | Calamagrostis Adanson |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Calamagrostis expansa (Munro ex Hillebrand) Hitchcock |
| Identification made in | [no date] (1) |