Calamagrostis purpurascens R. Br. var. purpurascens, Bot. App.: 731. 1823 sec. Dávila & al. 2018
- =Calamagrostis purpurascens R. Br. subsp. purpurascens, Bot. App.: 731. 1823 syn. sec. Dávila & al. 2006
- =Calamagrostis purpurascens var. maltei Polunin in Bull. Natl. Mus. Canada 92: 51. 1940 syn. sec. Dávila & al. 2006
- =Calamagrostis caespitosa V.N. Vassil. in Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 8: 54. 1950 syn. sec. Dávila & al. 2006
- =Calamagrostis purpurascens subsp. maltei (Polunin) A.E. Porsild, Nat. Canada 4: 5. 1974 syn. sec. Dávila & al. 2006