Chen, Xiao-Hua, Jiang-Ping Shu, Yi-Da Xu, Hong-Mei Liu, Li-Jun Chen, Jiao He, Xi-Long Zheng, and Yu-Feng Gu. 2025. “Polystichum Cretaceum (Polystichum Sect. Cyrtogonellum, Dryopteridaceae), A New Fern from Guangxi, China”. Phytotaxa 690 (2). Auckland, New Zealand:276-84. https://doi.org/10.11646/phytotaxa.690.2.8.