Pollawatn, R., Zhang, L., Limpanasittichai, P. and Zhang, L.-B. 2020.

Polystichum neoacutidens (subg. Haplopolystichum; Dryopteridaceae), a new fern from northeastern Thailand

. Phytotaxa. 450, 1 (Jun. 2020), 115–118. DOI:https://doi.org/10.11646/phytotaxa.450.1.10.