| Name | Calamagrostis canadensis var. langsdorffii (Link) Inman |
| Authorship | (Link) Inman |
| Rank | Variety |
| Placed in | Calamagrostis canadensis (Michaux) P. Beauvois |
| GUID | urn:lsid:ipni.org:names:1135742-2 |
| Holdings | 30 Specimens held in the Harvard University Herbaria identified as Calamagrostis canadensis var. langsdorffii (Link) Inman |
| Identification made in | [no date] (30) |