Chen, X.-H., J.-P. Shu, Y.-D. Xu, H.-M. Liu, L.-J. Chen, J. He, X.-L. Zheng, and Y.-F. Gu. “Polystichum Cretaceum (Polystichum Sect. Cyrtogonellum, Dryopteridaceae), A New Fern from Guangxi, China”. Phytotaxa, vol. 690, no. 2, Feb. 2025, pp. 276-84, doi:10.11646/phytotaxa.690.2.8.