| Name | Calamagrostis epigejos var. densiflora Ledebour |
| Authorship | Ledebour |
| Rank | Variety |
| Placed in | Calamagrostis epigejos (Linnaeus) Roth |
| Citation | 1828 Fl. Altaic. 1: 87 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Calamagrostis epigejos var. densiflora Ledebour |
| Identification made in | [no date] (2) |