Li, X. juan ., Li, J. xiu ., Sun, K. ., & Wang, X. . (2023). Taxonomic Validity of Dryopteris Laoshanensis J. X. LI ET S. T. Ma and Dryopteris Championii (Benth.) C. Chr. From China. Bangladesh Journal of Botany, 51(40), 863–871. https://doi.org/10.3329/bjb.v51i40.63828