Calamagrostis purpurea subsp. phragmitoides (Hartm.) Tzvelev in Novosti Sist. Vysš. Rast. 1965: 36. 1965
Calamagrostis purpurea subsp. phragmitoides in Novosti Sist. Vysš. Rast. 1965: 36. 1965
is new combination for Calamagrostis phragmitoides, Handb. Skand. Fl., ed. 2: 20. 1832
Calamagrostis purpurea subsp. phragmitoides in Novosti Sist. Vysš. Rast. 1965: 36. 1965