| Calamagrostis purpurascens subsp. maltei (Polunin) A.E. Porsild, 1974 |
| Calamagrostis purpurascens subsp. purpurascens R. Br., 1823 |
| Calamagrostis purpurascens var. arctica (Vasey) Kearney, 1898 |
| Calamagrostis purpurascens var. maltei Polunin, 1940 |
| Calamagrostis purpurascens var. ophitidis J.T. Howell, 1946 |
| Calamagrostis purpurascens var. purpurascens R. Br., 1823 |
| Calamagrostis purpurascens var. vaseyi (Beal) M.E. Jones, 1912 |
| Calamagrostis quitensis Kunth, 1815 |
| Calamagrostis recta (Kunth) Trin. ex Steud., 1840 |
| Calamagrostis retrofracta (Willd.) Link, 1833 |
| Calamagrostis rigescens (J. Presl) Scribn., 1899 |
| Calamagrostis scaberula Swallen, 1948 |
| Calamagrostis schiedeana (Rupr. ex E. Fourn.) Hitchc., 1913 |
| Calamagrostis sesquitriflora Steud., 1854 |
| Calamagrostis splendens (Brongn.) Steud., 1840 |
| Calamagrostis stricta (Timm) Koeler, 1802 |
| Calamagrostis tenuifolia Kunth, 1815 |
| Calamagrostis tolucensis (Kunth) Trin. ex Steud., 1840 |
| Calamagrostis valida Sohns, 1956 |
| Calamagrostis variegata With., 1796 |