Lu, Ngan Thi, Liang Zhang, Nguyen Trung Thanh, Le Chi Toan, and Li-Bing Zhang. 2023. “Three New Species and One New Record of the Fern Genus Polystichum (Dryopteridaceae) from Vietnam”. Phytotaxa 607 (1). Auckland, New Zealand:85-94. https://doi.org/10.11646/phytotaxa.607.1.7.