Zhang, Pan, Chengqun Yu, Peizhi Yang, Shehui Cao, and Tianming Hu. 2016. “Karyotype Analysis of Five Wild Elymus Species of Qinghai-Tibet Plateau”. The Indian Journal of Genetics and Plant Breeding 75 (1). https://epubs.icar.org.in/index.php/IJGPB/article/view/63669.