Khan, Bushra, Khushi Muhammad, Zainab Hamayun, Shafee Ur Rehman, Abdul Majid, Youxiong Que, Muhammad Shahid Nadeem, and Imdad Kaleem. 2019. “Phylogenetic Study of Living Fossil Psilotum Nudum L. From Himalayan Range of Pakistan Using DNA Barcodes”. Bangladesh Journal of Botany 48 (3):457-66. https://doi.org/10.3329/bjb.v48i3.47725.