| Name | Calamagrostis langsdorfii (Link) Trinius |
| Authorship | (Link) Trinius |
| Rank | Species |
| Placed in | Calamagrostis Adanson |
| Citation | 1824 Gram. Unifl. Sesquifl. 225, pl. 4, f. 10 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Calamagrostis langsdorfii (Link) Trinius |
| Identification made in | [no date] (2) |