Khan, B., Muhammad, K., Hamayun, Z., Ur Rehman, S., Majid, A., Que, Y., Nadeem, M. S., & Kaleem, I. (2019). Phylogenetic study of living fossil Psilotum nudum L. from Himalayan range of Pakistan using DNA barcodes. Bangladesh Journal of Botany, 48(3), 457–466. https://doi.org/10.3329/bjb.v48i3.47725