7,930 Nurul Jannah Abdullah 2019-02-12 https://www.jstor.org/stable/2473989?seq=1 Dewey, D. R. (1974). Cytogenetics of Elymus sibiricus and its hybrids with Agropyron tauri, Elymus canadensis, and Agropyron caninum. Botanical Gazette, 135(1), 80-87.