Liang, Z.-L., He, Z.-R. and Zhang, L.-B. 2021.

Polystichum dongchuanense and P. menglaense (subg. Haplopolystichum; Dryopteridaceae), two new ferns from Yunnan, China

. Phytotaxa. 479, 1 (Jan. 2021), 114–120. DOI:https://doi.org/10.11646/phytotaxa.479.1.9.